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  • Articles  (4,548)
  • Cell Line  (2,561)
  • *Ecosystem  (1,983)
  • Chemical Engineering
  • Electronic structure and strongly correlated systems
  • American Association for the Advancement of Science (AAAS)  (3,638)
  • Nature Publishing Group (NPG)  (910)
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  • 1
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    RNA splicing is a primary link between genetic variation and disease (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-04-30
    Description: Noncoding variants play a central role in the genetics of complex traits, but we still lack a full understanding of the molecular pathways through which they act. We quantified the contribution of cis-acting genetic effects at all major stages of gene regulation from chromatin to proteins, in Yoruba lymphoblastoid cell lines (LCLs). About ~65% of expression quantitative trait loci (eQTLs) have primary effects on chromatin, whereas the remaining eQTLs are enriched in transcribed regions. Using a novel method, we also detected 2893 splicing QTLs, most of which have little or no effect on gene-level expression. These splicing QTLs are major contributors to complex traits, roughly on a par with variants that affect gene expression levels. Our study provides a comprehensive view of the mechanisms linking genetic variation to variation in human gene regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Yang I -- van de Geijn, Bryce -- Raj, Anil -- Knowles, David A -- Petti, Allegra A -- Golan, David -- Gilad, Yoav -- Pritchard, Jonathan K -- R01MH084703/MH/NIMH NIH HHS/ -- R01MH101825/MH/NIMH NIH HHS/ -- U01HG007036/HG/NHGRI NIH HHS/ -- U54CA149145/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):600-4. doi: 10.1126/science.aad9417. Epub 2016 Apr 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Stanford University, Stanford, CA, USA. ; Department of Human Genetics, University of Chicago, Chicago, IL, USA. ; Department of Computer Science, Stanford University, Stanford, CA, USA. Department of Radiology, Stanford University, Stanford, CA, USA. ; Genome Institute, Washington University in St. Louis, St. Louis, MO, USA. ; Department of Human Genetics, University of Chicago, Chicago, IL, USA. gilad@uchicago.edu pritch@stanford.edu. ; Department of Genetics, Stanford University, Stanford, CA, USA. Department of Biology, Stanford University, Stanford, CA, USA. Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA. gilad@uchicago.edu pritch@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27126046" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Chromatin/metabolism ; *Gene Expression Regulation ; *Genetic Variation ; Genome-Wide Association Study ; Humans ; Immune System Diseases/*genetics ; Lymphocytes/immunology ; Phenotype ; Polymorphism, Single Nucleotide ; *Quantitative Trait Loci ; RNA Splicing/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    RNA biochemistry. Transcriptome-wide distribution and function of RNA hydroxymethylcytosine (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-01-28
    Description: Hydroxymethylcytosine, well described in DNA, occurs also in RNA. Here, we show that hydroxymethylcytosine preferentially marks polyadenylated RNAs and is deposited by Tet in Drosophila. We map the transcriptome-wide hydroxymethylation landscape, revealing hydroxymethylcytosine in the transcripts of many genes, notably in coding sequences, and identify consensus sites for hydroxymethylation. We found that RNA hydroxymethylation can favor mRNA translation. Tet and hydroxymethylated RNA are found to be most abundant in the Drosophila brain, and Tet-deficient fruitflies suffer impaired brain development, accompanied by decreased RNA hydroxymethylation. This study highlights the distribution, localization, and function of cytosine hydroxymethylation and identifies central roles for this modification in Drosophila.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Delatte, Benjamin -- Wang, Fei -- Ngoc, Long Vo -- Collignon, Evelyne -- Bonvin, Elise -- Deplus, Rachel -- Calonne, Emilie -- Hassabi, Bouchra -- Putmans, Pascale -- Awe, Stephan -- Wetzel, Collin -- Kreher, Judith -- Soin, Romuald -- Creppe, Catherine -- Limbach, Patrick A -- Gueydan, Cyril -- Kruys, Veronique -- Brehm, Alexander -- Minakhina, Svetlana -- Defrance, Matthieu -- Steward, Ruth -- Fuks, Francois -- R01 GM089992/GM/NIGMS NIH HHS/ -- T32 CA117846/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2016 Jan 15;351(6270):282-5. doi: 10.1126/science.aac5253.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cancer Epigenetics, Faculty of Medicine, ULB Cancer Research Center (U-CRC), Universite Libre de Bruxelles (ULB), Brussels, Belgium. ; Waksman Institute, Department of Molecular Biology and Biochemistry, Cancer Institute of New Jersey, Rutgers University, Piscataway, NJ, USA. ; Laboratory of Molecular Biology of the Gene, Faculty of Sciences, Universite Libre de Bruxelles, Gosselies, Belgium. ; Institut fur Molekularbiologie und Tumorforschung, Philipps-Universitat Marburg, Marburg, Germany. ; Department of Chemistry, University of Cincinnati, Cincinnati, OH, USA. ; Laboratory of Cancer Epigenetics, Faculty of Medicine, ULB Cancer Research Center (U-CRC), Universite Libre de Bruxelles (ULB), Brussels, Belgium. ffuks@ulb.ac.be.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26816380" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*abnormalities/metabolism ; Cell Line ; Cytosine/*analogs & derivatives/metabolism ; Dioxygenases/genetics/metabolism ; Drosophila melanogaster/genetics/*growth & development/metabolism ; Methylation ; RNA, Messenger/genetics/*metabolism ; Transcriptome
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Transcription factors LRF and BCL11A independently repress expression of fetal hemoglobin (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-01-28
    Description: Genes encoding human beta-type globin undergo a developmental switch from embryonic to fetal to adult-type expression. Mutations in the adult form cause inherited hemoglobinopathies or globin disorders, including sickle cell disease and thalassemia. Some experimental results have suggested that these diseases could be treated by induction of fetal-type hemoglobin (HbF). However, the mechanisms that repress HbF in adults remain unclear. We found that the LRF/ZBTB7A transcription factor occupies fetal gamma-globin genes and maintains the nucleosome density necessary for gamma-globin gene silencing in adults, and that LRF confers its repressive activity through a NuRD repressor complex independent of the fetal globin repressor BCL11A. Our study may provide additional opportunities for therapeutic targeting in the treatment of hemoglobinopathies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4778394/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4778394/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Masuda, Takeshi -- Wang, Xin -- Maeda, Manami -- Canver, Matthew C -- Sher, Falak -- Funnell, Alister P W -- Fisher, Chris -- Suciu, Maria -- Martyn, Gabriella E -- Norton, Laura J -- Zhu, Catherine -- Kurita, Ryo -- Nakamura, Yukio -- Xu, Jian -- Higgs, Douglas R -- Crossley, Merlin -- Bauer, Daniel E -- Orkin, Stuart H -- Kharchenko, Peter V -- Maeda, Takahiro -- R01 AI084905/AI/NIAID NIH HHS/ -- R01 HL032259/HL/NHLBI NIH HHS/ -- R56 DK105001/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2016 Jan 15;351(6270):285-9. doi: 10.1126/science.aad3312.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. ; Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA. ; Division of Hematology/Oncology, Boston Children's Hospital, Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Stem Cell Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA. ; School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia. ; Medical Research Council, Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, Oxford University, Oxford, UK. ; Cell Engineering Division, RIKEN BioResource Center, Tsukuba, Ibaraki, Japan. ; Cell Engineering Division, RIKEN BioResource Center, Tsukuba, Ibaraki, Japan. Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan. ; Division of Hematology/Oncology, Boston Children's Hospital, Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Stem Cell Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA. Children's Research Institute, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. ; Division of Hematology/Oncology, Boston Children's Hospital, Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Stem Cell Institute, Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA. Howard Hughes Medical Institute, Boston, MA 02115, USA. ; Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA. peter.kharchenko@post.harvard.edu tmaeda@partners.org. ; Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. peter.kharchenko@post.harvard.edu tmaeda@partners.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26816381" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia, Sickle Cell/genetics ; Animals ; Carrier Proteins/genetics/*metabolism ; Cell Line ; Chromatin/metabolism ; DNA-Binding Proteins/genetics/*metabolism ; Erythroblasts/cytology ; Erythropoiesis/genetics ; Fetal Hemoglobin/*genetics ; *Gene Silencing ; Humans ; Mice ; Mice, Knockout ; Nuclear Proteins/genetics/*metabolism ; Repressor Proteins/genetics/*metabolism ; Sequence Deletion ; Thalassemia/genetics ; Transcription Factors/genetics/*metabolism ; gamma-Globins/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Parasites resistant to the antimalarial atovaquone fail to transmit by mosquitoes (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-04-16
    Description: Drug resistance compromises control of malaria. Here, we show that resistance to a commonly used antimalarial medication, atovaquone, is apparently unable to spread. Atovaquone pressure selects parasites with mutations in cytochrome b, a respiratory protein with low but essential activity in the mammalian blood phase of the parasite life cycle. Resistance mutations rescue parasites from the drug but later prove lethal in the mosquito phase, where parasites require full respiration. Unable to respire efficiently, resistant parasites fail to complete mosquito development, arresting their life cycle. Because cytochrome b is encoded by the maternally inherited parasite mitochondrion, even outcrossing with wild-type strains cannot facilitate spread of resistance. Lack of transmission suggests that resistance will be unable to spread in the field, greatly enhancing the utility of atovaquone in malaria control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goodman, Christopher D -- Siregar, Josephine E -- Mollard, Vanessa -- Vega-Rodriguez, Joel -- Syafruddin, Din -- Matsuoka, Hiroyuki -- Matsuzaki, Motomichi -- Toyama, Tomoko -- Sturm, Angelika -- Cozijnsen, Anton -- Jacobs-Lorena, Marcelo -- Kita, Kiyoshi -- Marzuki, Sangkot -- McFadden, Geoffrey I -- AI031478/AI/NIAID NIH HHS/ -- RR00052/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):349-53. doi: 10.1126/science.aad9279.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of BioSciences, University of Melbourne, Melbourne, VIC 3010, Australia. gim@unimelb.edu.au deang@unimelb.edu.au. ; School of BioSciences, University of Melbourne, Melbourne, VIC 3010, Australia. Eijkman Institute for Molecular Biology, JI Diponegoro no. 69, Jakarta, 10430, Indonesia. Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. ; School of BioSciences, University of Melbourne, Melbourne, VIC 3010, Australia. ; Johns Hopkins University Bloomberg School of Public Health, Department of Molecular Microbiology and Immunology, Malaria Research Institute, Baltimore, MD 21205, USA. ; Eijkman Institute for Molecular Biology, JI Diponegoro no. 69, Jakarta, 10430, Indonesia. Department of Parasitology, Faculty of Medicine, Hasanuddin University, Jalan Perintis Kemerdekaan Km10, Makassar 90245, Indonesia. ; Division of Medical Zoology, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan. ; Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. ; Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. School of Tropical Medicine and Global Health, Nagasaki University, Sakamoto, Nagasaki 852-8523, Japan. ; Eijkman Institute for Molecular Biology, JI Diponegoro no. 69, Jakarta, 10430, Indonesia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081071" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles/*parasitology ; Antimalarials/*pharmacology/therapeutic use ; Atovaquone/*pharmacology/therapeutic use ; Cell Line ; Cytochromes b/*genetics ; Drug Resistance/*genetics ; Genes, Mitochondrial/genetics ; Humans ; Life Cycle Stages/drug effects/genetics ; Malaria/drug therapy/*parasitology/transmission ; Male ; Mice ; Mitochondria/*genetics ; Mutation ; Plasmodium berghei/*drug effects/genetics/growth & development ; Selection, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Response to Comment on "Global assessment of arbuscular mycorrhizal fungus diversity reveals very low endemism" (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-02-26
    Description: Bruns and Taylor argue that our finding of widespread distribution among Glomeromycota "virtual taxa" is undermined by the species definition applied. Although identifying appropriate species concepts and accessing taxonomically informative traits are challenges for microorganism biogeography, the virtual taxa represent a pragmatic classification that corresponds approximately to the species rank of classical Glomeromycota taxonomy, yet is applicable to environmental DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Opik, Maarja -- Davison, John -- Moora, Mari -- Partel, Meelis -- Zobel, Martin -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):826. doi: 10.1126/science.aad5495.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, University of Tartu, 40 Lai Street, 51005 Tartu, Estonia. maarja.opik@ut.ee. ; Department of Botany, University of Tartu, 40 Lai Street, 51005 Tartu, Estonia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912890" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Humans ; *Mycorrhizae ; Plant Roots/*microbiology ; *Symbiosis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Designer protein delivery: From natural to engineered affinity-controlled release systems (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-03-19
    Description: Exploiting binding affinities between molecules is an established practice in many fields, including biochemical separations, diagnostics, and drug development; however, using these affinities to control biomolecule release is a more recent strategy. Affinity-controlled release takes advantage of the reversible nature of noncovalent interactions between a therapeutic protein and a binding partner to slow the diffusive release of the protein from a vehicle. This process, in contrast to degradation-controlled sustained-release formulations such as poly(lactic-co-glycolic acid) microspheres, is controlled through the strength of the binding interaction, the binding kinetics, and the concentration of binding partners. In the context of affinity-controlled release--and specifically the discovery or design of binding partners--we review advances in in vitro selection and directed evolution of proteins, peptides, and oligonucleotides (aptamers), aided by computational design.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pakulska, Malgosia M -- Miersch, Shane -- Shoichet, Molly S -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2016 Mar 18;351(6279):aac4750. doi: 10.1126/science.aac4750.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical Engineering and Applied Chemistry, Institute of Biomaterials and Biomedical Engineering, and Donnelly Centre, University of Toronto, Toronto, Ontario, Canada. ; Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada. ; Department of Chemical Engineering and Applied Chemistry, Institute of Biomaterials and Biomedical Engineering, and Donnelly Centre, University of Toronto, Toronto, Ontario, Canada. Department of Chemistry, University of Toronto, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26989257" target="_blank"〉PubMed〈/a〉
    Keywords: Chemical Engineering ; Combinatorial Chemistry Techniques ; Delayed-Action Preparations/*chemistry ; Directed Molecular Evolution ; *Drug Design ; Humans ; Lactic Acid/*chemistry ; Microspheres ; Polyglycolic Acid/*chemistry ; Proteins/*administration & dosage
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Comment on "Global assessment of arbuscular mycorrhizal fungus diversity reveals very low endemism" (2016)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2016-02-26
    Description: Davison et al. (Reports, 28 August 2015, p. 970) claim that virtual taxa of Glomeromycota show little endemism and that endemism that exists is similar to the levels seen in plant families. We show that this is likely due to the conservative species definition rather than to any ecological pattern.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bruns, Thomas D -- Taylor, John W -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):826. doi: 10.1126/science.aad4228.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant and Microbial Biology, 111 Koshland Hall, Berkeley, CA 94720-3102, USA. pogon@berkeley.edu. ; Department of Plant and Microbial Biology, 111 Koshland Hall, Berkeley, CA 94720-3102, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912889" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Humans ; *Mycorrhizae ; Plant Roots/*microbiology ; *Symbiosis
    Print ISSN: 0036-8075
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  • 8
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    Ecology: Vegetation's responses to climate variability (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-02-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huete, Alfredo -- England -- Nature. 2016 Mar 10;531(7593):181-2. doi: 10.1038/nature17301. Epub 2016 Feb 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Ultimo, New South Wales 2007, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26886792" target="_blank"〉PubMed〈/a〉
    Keywords: *Acclimatization ; *Climate Change ; *Ecosystem ; *Geographic Mapping ; *Plant Physiological Phenomena
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
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    Ocean science: The rise of Rhizaria (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-04-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caron, David A -- England -- Nature. 2016 Apr 28;532(7600):444-5. doi: 10.1038/nature17892. Epub 2016 Apr 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of Southern California, Los Angeles, California 90089-0371, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27096370" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms/*metabolism ; *Biomass ; *Biota ; Carbon/*metabolism ; *Ecosystem ; *Oceans and Seas ; Plankton/*metabolism ; Rhizaria/*isolation & purification ; Seawater/*chemistry ; Zooplankton/*isolation & purification
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
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    Transport: Nicaragua Canal may not benefit shipping (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-05-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Jihong -- Liu, Xiang -- England -- Nature. 2016 May 18;533(7603):321. doi: 10.1038/533321d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Shanghai Maritime University, China. ; Rutgers University, Piscataway, New Jersey, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27193671" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Dissent and Disputes ; *Ecosystem ; *Environmental Monitoring ; *Models, Economic ; *Transportation
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 11
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    An essential receptor for adeno-associated virus infection (2016)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2016-01-28
    Description: Adeno-associated virus (AAV) vectors are currently the leading candidates for virus-based gene therapies because of their broad tissue tropism, non-pathogenic nature and low immunogenicity. They have been successfully used in clinical trials to treat hereditary diseases such as haemophilia B (ref. 2), and have been approved for treatment of lipoprotein lipase deficiency in Europe. Considerable efforts have been made to engineer AAV variants with novel and biomedically valuable cell tropisms to allow efficacious systemic administration, yet basic aspects of AAV cellular entry are still poorly understood. In particular, the protein receptor(s) required for AAV entry after cell attachment remains unknown. Here we use an unbiased genetic screen to identify proteins essential for AAV serotype 2 (AAV2) infection in a haploid human cell line. The most significantly enriched gene of the screen encodes a previously uncharacterized type I transmembrane protein, KIAA0319L (denoted hereafter as AAV receptor (AAVR)). We characterize AAVR as a protein capable of rapid endocytosis from the plasma membrane and trafficking to the trans-Golgi network. We show that AAVR directly binds to AAV2 particles, and that anti-AAVR antibodies efficiently block AAV2 infection. Moreover, genetic ablation of AAVR renders a wide range of mammalian cell types highly resistant to AAV2 infection. Notably, AAVR serves as a critical host factor for all tested AAV serotypes. The importance of AAVR for in vivo gene delivery is further highlighted by the robust resistance of Aavr(-/-) (also known as Au040320(-/-) and Kiaa0319l(-/-)) mice to AAV infection. Collectively, our data indicate that AAVR is a universal receptor involved in AAV infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pillay, S -- Meyer, N L -- Puschnik, A S -- Davulcu, O -- Diep, J -- Ishikawa, Y -- Jae, L T -- Wosen, J E -- Nagamine, C M -- Chapman, M S -- Carette, J E -- DP2 AI104557/AI/NIAID NIH HHS/ -- R01 GM066875/GM/NIGMS NIH HHS/ -- U19 AI109662/AI/NIAID NIH HHS/ -- England -- Nature. 2016 Feb 4;530(7588):108-12. doi: 10.1038/nature16465. Epub 2016 Jan 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, Stanford University School of Medicine, 299 Campus Drive, Stanford, California 94305, USA. ; Department of Biochemistry and Molecular Biology, School of Medicine, Oregon Health &Science University, 3181 Sam Jackson Park Road, Portland, Oregon 97239-3098, USA. ; Shriners Hospital for Children, 3101 Sam Jackson Park Road, Portland, Oregon 97239, USA. ; Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, Netherlands. ; Department of Comparative Medicine, Stanford University School of Medicine, 287 Campus Drive, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26814968" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies/immunology/pharmacology ; Cell Line ; Dependovirus/classification/drug effects/*physiology ; Endocytosis/drug effects ; Female ; Gene Deletion ; Genetic Therapy/methods ; Host Specificity ; Humans ; Male ; Mice ; Parvoviridae Infections/*metabolism/*virology ; Receptors, Cell Surface/antagonists & inhibitors/deficiency/genetics/*metabolism ; Receptors, Virus/antagonists & inhibitors/deficiency/genetics/*metabolism ; *Viral Tropism/drug effects ; Virus Internalization/drug effects ; trans-Golgi Network/drug effects
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  • 12
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    The terrestrial biosphere as a net source of greenhouse gases to the atmosphere (2016)
    Nature Publishing Group (NPG)
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    Publication Date: 2016-03-11
    Description: The terrestrial biosphere can release or absorb the greenhouse gases, carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O), and therefore has an important role in regulating atmospheric composition and climate. Anthropogenic activities such as land-use change, agriculture and waste management have altered terrestrial biogenic greenhouse gas fluxes, and the resulting increases in methane and nitrous oxide emissions in particular can contribute to climate change. The terrestrial biogenic fluxes of individual greenhouse gases have been studied extensively, but the net biogenic greenhouse gas balance resulting from anthropogenic activities and its effect on the climate system remains uncertain. Here we use bottom-up (inventory, statistical extrapolation of local flux measurements, and process-based modelling) and top-down (atmospheric inversions) approaches to quantify the global net biogenic greenhouse gas balance between 1981 and 2010 resulting from anthropogenic activities and its effect on the climate system. We find that the cumulative warming capacity of concurrent biogenic methane and nitrous oxide emissions is a factor of about two larger than the cooling effect resulting from the global land carbon dioxide uptake from 2001 to 2010. This results in a net positive cumulative impact of the three greenhouse gases on the planetary energy budget, with a best estimate (in petagrams of CO2 equivalent per year) of 3.9 +/- 3.8 (top down) and 5.4 +/- 4.8 (bottom up) based on the GWP100 metric (global warming potential on a 100-year time horizon). Our findings suggest that a reduction in agricultural methane and nitrous oxide emissions, particularly in Southern Asia, may help mitigate climate change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tian, Hanqin -- Lu, Chaoqun -- Ciais, Philippe -- Michalak, Anna M -- Canadell, Josep G -- Saikawa, Eri -- Huntzinger, Deborah N -- Gurney, Kevin R -- Sitch, Stephen -- Zhang, Bowen -- Yang, Jia -- Bousquet, Philippe -- Bruhwiler, Lori -- Chen, Guangsheng -- Dlugokencky, Edward -- Friedlingstein, Pierre -- Melillo, Jerry -- Pan, Shufen -- Poulter, Benjamin -- Prinn, Ronald -- Saunois, Marielle -- Schwalm, Christopher R -- Wofsy, Steven C -- England -- Nature. 2016 Mar 10;531(7593):225-8. doi: 10.1038/nature16946.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Center for Climate and Global Change Research, School of Forestry and Wildlife Sciences, Auburn University, Auburn, Alabama 36849, USA. ; Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Iowa 50011, USA. ; Laboratoire des Sciences du Climat et de l'Environnement, 91191 Gif sur Yvette, France. ; Department of Global Ecology, Carnegie Institution for Science, Stanford, California 94305, USA. ; Global Carbon Project, CSIRO Oceans and Atmosphere Research, GPO Box 3023, Canberra, Australian Capital Territory 2601, Australia. ; Department of Environmental Sciences, Emory University, Atlanta, Georgia 30322, USA. ; School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, Arizona 86011, USA. ; School of Life Sciences, Arizona State University, Tempe, Arizona 85287, USA. ; College of Life and Environmental Sciences, University of Exeter, Exeter EX4 4RJ, UK. ; NOAA Earth System Research Laboratory, Global Monitoring Division, Boulder, Colorado 80305, USA. ; Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA. ; College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK. ; The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA. ; Institute of Ecosystems and Department of Ecology, Montana State University, Bozeman, Montana 59717, USA. ; Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. ; Woods Hole Research Center, Falmouth, Massachusetts 02540, USA. ; Department of Earth and Planetary Science, Harvard University, 29 Oxford Street, Cambridge, Massachusetts 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26961656" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/statistics & numerical data ; Asia ; Atmosphere/*chemistry ; Carbon Dioxide/analysis/*metabolism ; *Ecosystem ; Global Warming/prevention & control/*statistics & numerical data ; Greenhouse Effect/prevention & control/*statistics & numerical data ; Human Activities/statistics & numerical data ; Methane/analysis/*metabolism ; Nitrous Oxide/analysis/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Restoration: avoid arbitrary baselines (2016)
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    Publication Date: 2016-05-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mehrabi, Zia -- England -- Nature. 2016 May 25;533(7604):469. doi: 10.1038/533469c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of British Columbia, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27225111" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Natural Resources/*methods ; *Ecosystem ; *Wilderness
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  • 14
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    Plankton networks driving carbon export in the oligotrophic ocean (2016)
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    Publication Date: 2016-02-11
    Description: The biological carbon pump is the process by which CO2 is transformed to organic carbon via photosynthesis, exported through sinking particles, and finally sequestered in the deep ocean. While the intensity of the pump correlates with plankton community composition, the underlying ecosystem structure driving the process remains largely uncharacterized. Here we use environmental and metagenomic data gathered during the Tara Oceans expedition to improve our understanding of carbon export in the oligotrophic ocean. We show that specific plankton communities, from the surface and deep chlorophyll maximum, correlate with carbon export at 150 m and highlight unexpected taxa such as Radiolaria and alveolate parasites, as well as Synechococcus and their phages, as lineages most strongly associated with carbon export in the subtropical, nutrient-depleted, oligotrophic ocean. Additionally, we show that the relative abundance of a few bacterial and viral genes can predict a significant fraction of the variability in carbon export in these regions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851848/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851848/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guidi, Lionel -- Chaffron, Samuel -- Bittner, Lucie -- Eveillard, Damien -- Larhlimi, Abdelhalim -- Roux, Simon -- Darzi, Youssef -- Audic, Stephane -- Berline, Leo -- Brum, Jennifer R -- Coelho, Luis Pedro -- Espinoza, Julio Cesar Ignacio -- Malviya, Shruti -- Sunagawa, Shinichi -- Dimier, Celine -- Kandels-Lewis, Stefanie -- Picheral, Marc -- Poulain, Julie -- Searson, Sarah -- Tara Oceans Consortium Coordinators -- Stemmann, Lars -- Not, Fabrice -- Hingamp, Pascal -- Speich, Sabrina -- Follows, Mick -- Karp-Boss, Lee -- Boss, Emmanuel -- Ogata, Hiroyuki -- Pesant, Stephane -- Weissenbach, Jean -- Wincker, Patrick -- Acinas, Silvia G -- Bork, Peer -- de Vargas, Colomban -- Iudicone, Daniele -- Sullivan, Matthew B -- Raes, Jeroen -- Karsenti, Eric -- Bowler, Chris -- Gorsky, Gabriel -- England -- Nature. 2016 Apr 28;532(7600):465-70. doi: 10.1038/nature16942. Epub 2016 Feb 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sorbonne Universites, UPMC Universite Paris 06, CNRS, Laboratoire d'oceanographie de Villefranche (LOV), Observatoire Oceanologique, 06230 Villefranche-sur-Mer, France. ; Department of Oceanography, University of Hawaii, Honolulu, Hawaii 96822, USA. ; Department of Microbiology and Immunology, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium. ; Center for the Biology of Disease, VIB, Herestraat 49, 3000 Leuven, Belgium. ; Department of Applied Biological Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium. ; Sorbonne Universites, UPMC Univ Paris 06, CNRS, Institut de Biologie Paris-Seine (IBPS), Evolution Paris Seine, F-75005, Paris, France. ; Ecole Normale Superieure, PSL Research University, Institut de Biologie de l'Ecole Normale Superieure (IBENS), CNRS UMR 8197, INSERM U1024, 46 rue d'Ulm, F-75005 Paris, France. ; Sorbonne Universites, UPMC Universite Paris 06, CNRS, Laboratoire Adaptation et Diversite en Milieu Marin, Station Biologique de Roscoff, 29680 Roscoff, France. ; LINA UMR 6241, Universite de Nantes, EMN, CNRS, 44322 Nantes, France. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstr. 1, 69117 Heidelberg, Germany. ; Directors' Research European Molecular Biology Laboratory Meyerhofstr. 1, 69117 Heidelberg, Germany. ; CEA - Institut de Genomique, GENOSCOPE, 2 rue Gaston Cremieux, 91057 Evry, France. ; Aix Marseille Universite, CNRS, IGS, UMR 7256, 13288 Marseille, France. ; Department of Geosciences, Laboratoire de Meteorologie Dynamique (LMD), Ecole Normale Superieure, 24 rue Lhomond, 75231 Paris CEDEX 05, France. ; Dept of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. ; School of Marine Sciences, University of Maine, Orono, Maine 04469, USA. ; Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan. ; PANGAEA, Data Publisher for Earth and Environmental Science, University of Bremen, 28359 Bremen, Germany. ; MARUM, Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany. ; CNRS, UMR 8030, CP 5706 Evry, France. ; Universite d'Evry, UMR 8030, CP 5706 Evry, France. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta 37-49, Barcelona E0800, Spain. ; Max-Delbruck-Centre for Molecular Medicine, 13092 Berlin, Germany. ; Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26863193" target="_blank"〉PubMed〈/a〉
    Keywords: Aquatic Organisms/genetics/isolation & purification/*metabolism ; Carbon/*metabolism ; Chlorophyll/metabolism ; Dinoflagellida/genetics/isolation & purification/metabolism ; *Ecosystem ; Expeditions ; Genes, Bacterial ; Genes, Viral ; Geography ; Oceans and Seas ; Photosynthesis ; Plankton/genetics/isolation & purification/*metabolism ; Seawater/*chemistry/microbiology/parasitology ; Synechococcus/genetics/isolation & purification/metabolism/virology
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    Pre-fusion structure of a human coronavirus spike protein (2016)
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    Publication Date: 2016-03-05
    Description: HKU1 is a human betacoronavirus that causes mild yet prevalent respiratory disease, and is related to the zoonotic SARS and MERS betacoronaviruses, which have high fatality rates and pandemic potential. Cell tropism and host range is determined in part by the coronavirus spike (S) protein, which binds cellular receptors and mediates membrane fusion. As the largest known class I fusion protein, its size and extensive glycosylation have hindered structural studies of the full ectodomain, thus preventing a molecular understanding of its function and limiting development of effective interventions. Here we present the 4.0 A resolution structure of the trimeric HKU1 S protein determined using single-particle cryo-electron microscopy. In the pre-fusion conformation, the receptor-binding subunits, S1, rest above the fusion-mediating subunits, S2, preventing their conformational rearrangement. Surprisingly, the S1 C-terminal domains are interdigitated and form extensive quaternary interactions that occlude surfaces known in other coronaviruses to bind protein receptors. These features, along with the location of the two protease sites known to be important for coronavirus entry, provide a structural basis to support a model of membrane fusion mediated by progressive S protein destabilization through receptor binding and proteolytic cleavage. These studies should also serve as a foundation for the structure-based design of betacoronavirus vaccine immunogens.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4860016/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4860016/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kirchdoerfer, Robert N -- Cottrell, Christopher A -- Wang, Nianshuang -- Pallesen, Jesper -- Yassine, Hadi M -- Turner, Hannah L -- Corbett, Kizzmekia S -- Graham, Barney S -- McLellan, Jason S -- Ward, Andrew B -- R56 AI118016/AI/NIAID NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2016 Mar 3;531(7592):118-21. doi: 10.1038/nature17200.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA. ; Department of Biochemistry, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, USA. ; Viral Pathogenesis Laboratory, National Institute of Allergy and Infectious Diseases, Building 40, Room 2502, 40 Convent Drive, Bethesda, Maryland 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26935699" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Coronavirus/*chemistry/*ultrastructure ; Cryoelectron Microscopy ; Humans ; Membrane Fusion ; Models, Molecular ; Protein Binding ; Protein Multimerization ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; Proteolysis ; Receptors, Virus/metabolism ; Spike Glycoprotein, Coronavirus/*chemistry/metabolism/*ultrastructure ; Viral Vaccines/chemistry/immunology ; Virus Internalization
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    Restoration: 'Garden of Eden' unrealistic (2016)
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    Publication Date: 2016-05-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Breed, Martin F -- Lowe, Andrew J -- Mortimer, Peter E -- England -- Nature. 2016 May 25;533(7604):469. doi: 10.1038/533469d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Adelaide, Australia. ; Kunming Institute of Botany; and World Agroforestry Centre, Kunming, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27225110" target="_blank"〉PubMed〈/a〉
    Keywords: Conservation of Natural Resources/*methods ; *Ecosystem ; *Wilderness
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  • 17
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    Boreal and temperate trees show strong acclimation of respiration to warming (2016)
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    Publication Date: 2016-03-17
    Description: Plant respiration results in an annual flux of carbon dioxide (CO2) to the atmosphere that is six times as large as that due to the emissions from fossil fuel burning, so changes in either will impact future climate. As plant respiration responds positively to temperature, a warming world may result in additional respiratory CO2 release, and hence further atmospheric warming. Plant respiration can acclimate to altered temperatures, however, weakening the positive feedback of plant respiration to rising global air temperature, but a lack of evidence on long-term (weeks to years) acclimation to climate warming in field settings currently hinders realistic predictions of respiratory release of CO2 under future climatic conditions. Here we demonstrate strong acclimation of leaf respiration to both experimental warming and seasonal temperature variation for juveniles of ten North American tree species growing for several years in forest conditions. Plants grown and measured at 3.4 degrees C above ambient temperature increased leaf respiration by an average of 5% compared to plants grown and measured at ambient temperature; without acclimation, these increases would have been 23%. Thus, acclimation eliminated 80% of the expected increase in leaf respiration of non-acclimated plants. Acclimation of leaf respiration per degree temperature change was similar for experimental warming and seasonal temperature variation. Moreover, the observed increase in leaf respiration per degree increase in temperature was less than half as large as the average reported for previous studies, which were conducted largely over shorter time scales in laboratory settings. If such dampening effects of leaf thermal acclimation occur generally, the increase in respiration rates of terrestrial plants in response to climate warming may be less than predicted, and thus may not raise atmospheric CO2 concentrations as much as anticipated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reich, Peter B -- Sendall, Kerrie M -- Stefanski, Artur -- Wei, Xiaorong -- Rich, Roy L -- Montgomery, Rebecca A -- England -- Nature. 2016 Mar 31;531(7596):633-6. doi: 10.1038/nature17142. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Forest Resources, University of Minnesota, Minnesota 55108, USA. ; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales 2753, Australia. ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China. ; Smithsonian Environmental Research Center, Edgewater, Maryland 20137, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982730" target="_blank"〉PubMed〈/a〉
    Keywords: *Acclimatization ; Atmosphere ; Carbon Dioxide/metabolism ; Cell Respiration ; Darkness ; *Ecosystem ; Forests ; *Global Warming ; North America ; Photosynthesis ; Plant Leaves/metabolism ; Seasons ; *Temperature ; Time Factors ; Trees/classification/*metabolism
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    Land use: A global baseline for ecosystem recovery (2016)
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    Publication Date: 2016-04-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kotiaho, Janne S -- ten Brink, Ben -- Harris, Jim -- England -- Nature. 2016 Apr 7;532(7597):37. doi: 10.1038/532037c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Jyvaskyla, Finland. ; PBL-Netherlands Environmental Assessment Agency, The Netherlands. ; Cranfield University, Bedfordshire, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27078561" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Conservation of Natural Resources/*methods ; *Ecosystem ; Human Activities ; Reference Standards ; *Wilderness
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    Cryo-electron microscopy structure of a coronavirus spike glycoprotein trimer (2016)
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    Publication Date: 2016-02-09
    Description: The tremendous pandemic potential of coronaviruses was demonstrated twice in the past few decades by two global outbreaks of deadly pneumonia. Entry of coronaviruses into cells is mediated by the transmembrane spike glycoprotein S, which forms a trimer carrying receptor-binding and membrane fusion functions. S also contains the principal antigenic determinants and is the target of neutralizing antibodies. Here we present the structure of a mouse coronavirus S trimer ectodomain determined at 4.0 A resolution by single particle cryo-electron microscopy. It reveals the metastable pre-fusion architecture of S and highlights key interactions stabilizing it. The structure shares a common core with paramyxovirus F proteins, implicating mechanistic similarities and an evolutionary connection between these viral fusion proteins. The accessibility of the highly conserved fusion peptide at the periphery of the trimer indicates potential vaccinology strategies to elicit broadly neutralizing antibodies against coronaviruses. Finally, comparison with crystal structures of human coronavirus S domains allows rationalization of the molecular basis for species specificity based on the use of spatially contiguous but distinct domains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walls, Alexandra C -- Tortorici, M Alejandra -- Bosch, Berend-Jan -- Frenz, Brandon -- Rottier, Peter J M -- DiMaio, Frank -- Rey, Felix A -- Veesler, David -- GM103310/GM/NIGMS NIH HHS/ -- T32GM008268/GM/NIGMS NIH HHS/ -- England -- Nature. 2016 Mar 3;531(7592):114-7. doi: 10.1038/nature16988. Epub 2016 Feb 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Washington, Seattle, Washington 98195, USA. ; Institut Pasteur, Unite de Virologie Structurale, 75015 Paris, France. ; CNRS UMR 3569 Virologie, 75015 Paris, France. ; Virology Division, Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, 3584 CL Utrecht, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26855426" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Neutralizing/immunology ; Cell Line ; Coronavirus Infections/immunology/virology ; *Cryoelectron Microscopy ; Drosophila melanogaster ; Mice ; Models, Molecular ; Molecular Sequence Data ; Murine hepatitis virus/*chemistry/immunology/*ultrastructure ; Protein Multimerization ; Protein Structure, Tertiary ; Spike Glycoprotein, Coronavirus/*chemistry/immunology/*ultrastructure ; Viral Vaccines/chemistry/immunology ; Virus Internalization
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    beta-Arrestin biosensors reveal a rapid, receptor-dependent activation/deactivation cycle (2016)
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    Publication Date: 2016-03-24
    Description: (beta-)Arrestins are important regulators of G-protein-coupled receptors (GPCRs). They bind to active, phosphorylated GPCRs and thereby shut off 'classical' signalling to G proteins, trigger internalization of GPCRs via interaction with the clathrin machinery and mediate signalling via 'non-classical' pathways. In addition to two visual arrestins that bind to rod and cone photoreceptors (termed arrestin1 and arrestin4), there are only two (non-visual) beta-arrestin proteins (beta-arrestin1 and beta-arrestin2, also termed arrestin2 and arrestin3), which regulate hundreds of different (non-visual) GPCRs. Binding of these proteins to GPCRs usually requires the active form of the receptors plus their phosphorylation by G-protein-coupled receptor kinases (GRKs). The binding of receptors or their carboxy terminus as well as certain truncations induce active conformations of (beta-)arrestins that have recently been solved by X-ray crystallography. Here we investigate both the interaction of beta-arrestin with GPCRs, and the beta-arrestin conformational changes in real time and in living human cells, using a series of fluorescence resonance energy transfer (FRET)-based beta-arrestin2 biosensors. We observe receptor-specific patterns of conformational changes in beta-arrestin2 that occur rapidly after the receptor-beta-arrestin2 interaction. After agonist removal, these changes persist for longer than the direct receptor interaction. Our data indicate a rapid, receptor-type-specific, two-step binding and activation process between GPCRs and beta-arrestins. They further indicate that beta-arrestins remain active after dissociation from receptors, allowing them to remain at the cell surface and presumably signal independently. Thus, GPCRs trigger a rapid, receptor-specific activation/deactivation cycle of beta-arrestins, which permits their active signalling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nuber, Susanne -- Zabel, Ulrike -- Lorenz, Kristina -- Nuber, Andreas -- Milligan, Graeme -- Tobin, Andrew B -- Lohse, Martin J -- Hoffmann, Carsten -- 1 R01 DA038882/DA/NIDA NIH HHS/ -- BB/K019864/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- England -- Nature. 2016 Mar 31;531(7596):661-4. doi: 10.1038/nature17198. Epub 2016 Mar 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Pharmacology and Toxicology, University of Wurzburg, Versbacher Str. 9, 97078 Wurzburg, Germany. ; Rudolf Virchow Center, University of Wurzburg, Versbacher Str. 9, 97078 Wurzburg, Germany. ; Comprehensive Heart Failure Center, University of Wurzburg, Versbacher Str. 9, 97078 Wurzburg, Germany. ; Molecular Pharmacology Group, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK. ; MRC Toxicology Unit, University of Leicester, Hodgkin Building, Lancaster Road, Leicester LE1 9HN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27007855" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arrestins/chemistry/*metabolism ; Biosensing Techniques ; Cattle ; Cell Line ; Cell Membrane/metabolism ; Cell Survival ; Crystallography, X-Ray ; Fluorescence Resonance Energy Transfer ; Humans ; Kinetics ; Models, Molecular ; Protein Binding ; Protein Conformation ; Receptors, G-Protein-Coupled/chemistry/*metabolism ; Signal Transduction ; Substrate Specificity ; Time Factors
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    Lypd8 promotes the segregation of flagellated microbiota and colonic epithelia (2016)
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    Publication Date: 2016-03-31
    Description: Colonic epithelial cells are covered by thick inner and outer mucus layers. The inner mucus layer is free of commensal microbiota, which contributes to the maintenance of gut homeostasis. In the small intestine, molecules critical for prevention of bacterial invasion into epithelia such as Paneth-cell-derived anti-microbial peptides and regenerating islet-derived 3 (RegIII) family proteins have been identified. Although there are mucus layers providing physical barriers against the large number of microbiota present in the large intestine, the mechanisms that separate bacteria and colonic epithelia are not fully elucidated. Here we show that Ly6/PLAUR domain containing 8 (Lypd8) protein prevents flagellated microbiota invading the colonic epithelia in mice. Lypd8, selectively expressed in epithelial cells at the uppermost layer of the large intestinal gland, was secreted into the lumen and bound flagellated bacteria including Proteus mirabilis. In the absence of Lypd8, bacteria were present in the inner mucus layer and many flagellated bacteria invaded epithelia. Lypd8(-/-) mice were highly sensitive to intestinal inflammation induced by dextran sulfate sodium (DSS). Antibiotic elimination of Gram-negative flagellated bacteria restored the bacterial-free state of the inner mucus layer and ameliorated DSS-induced intestinal inflammation in Lypd8(-/-) mice. Lypd8 bound to flagella and suppressed motility of flagellated bacteria. Thus, Lypd8 mediates segregation of intestinal bacteria and epithelial cells in the colon to preserve intestinal homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okumura, Ryu -- Kurakawa, Takashi -- Nakano, Takashi -- Kayama, Hisako -- Kinoshita, Makoto -- Motooka, Daisuke -- Gotoh, Kazuyoshi -- Kimura, Taishi -- Kamiyama, Naganori -- Kusu, Takashi -- Ueda, Yoshiyasu -- Wu, Hong -- Iijima, Hideki -- Barman, Soumik -- Osawa, Hideki -- Matsuno, Hiroshi -- Nishimura, Junichi -- Ohba, Yusuke -- Nakamura, Shota -- Iida, Tetsuya -- Yamamoto, Masahiro -- Umemoto, Eiji -- Sano, Koichi -- Takeda, Kiyoshi -- England -- Nature. 2016 Apr 7;532(7597):117-21. doi: 10.1038/nature17406. Epub 2016 Mar 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Immune Regulation, Department of Microbiology and Immunology, Graduate School of Medicine, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka 565-0871, Japan. ; Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo 100-0004, Japan. ; Department of Microbiology and Infection Control, Osaka Medical College, Takatsuki, Osaka 569-8686, Japan. ; Department of Infection Metagenomics, Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565-0871, Japan. ; Department of Bacteriology, Okayama University Graduate School of Medicine, Okayama 700-8558, Japan. ; Department of Gastroenterology and Hepatology, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan. ; Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan. ; Department of Cell Physiology, Hokkaido University Graduate School of Medicine, Sapporo 060-8638, Japan. ; Department of Bacterial Infections, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565-0871, Japan. ; Laboratory of Immunoparasitology, Research Institute for Microbial Diseases, WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka 565-0871, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27027293" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Adhesion ; Caco-2 Cells ; Cell Line ; Colitis/chemically induced/drug therapy/genetics ; Colon/*microbiology ; Dextran Sulfate ; Epithelium/*microbiology ; Female ; *Flagella ; GPI-Linked Proteins/deficiency/genetics/*metabolism/secretion ; Gram-Negative Bacteria/drug effects/metabolism/pathogenicity/*physiology ; Homeostasis ; Humans ; Inflammation/chemically induced/drug therapy/genetics ; Intestinal Mucosa/cytology/metabolism/*microbiology/secretion ; Male ; Mice ; Proteus mirabilis/drug effects/metabolism/pathogenicity ; Symbiosis
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    Sensitivity of global terrestrial ecosystems to climate variability (2016)
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    Publication Date: 2016-02-18
    Description: The identification of properties that contribute to the persistence and resilience of ecosystems despite climate change constitutes a research priority of global relevance. Here we present a novel, empirical approach to assess the relative sensitivity of ecosystems to climate variability, one property of resilience that builds on theoretical modelling work recognizing that systems closer to critical thresholds respond more sensitively to external perturbations. We develop a new metric, the vegetation sensitivity index, that identifies areas sensitive to climate variability over the past 14 years. The metric uses time series data derived from the moderate-resolution imaging spectroradiometer (MODIS) enhanced vegetation index, and three climatic variables that drive vegetation productivity (air temperature, water availability and cloud cover). Underlying the analysis is an autoregressive modelling approach used to identify climate drivers of vegetation productivity on monthly timescales, in addition to regions with memory effects and reduced response rates to external forcing. We find ecologically sensitive regions with amplified responses to climate variability in the Arctic tundra, parts of the boreal forest belt, the tropical rainforest, alpine regions worldwide, steppe and prairie regions of central Asia and North and South America, the Caatinga deciduous forest in eastern South America, and eastern areas of Australia. Our study provides a quantitative methodology for assessing the relative response rate of ecosystems--be they natural or with a strong anthropogenic signature--to environmental variability, which is the first step towards addressing why some regions appear to be more sensitive than others, and what impact this has on the resilience of ecosystem service provision and human well-being.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seddon, Alistair W R -- Macias-Fauria, Marc -- Long, Peter R -- Benz, David -- Willis, Kathy J -- England -- Nature. 2016 Mar 10;531(7593):229-32. doi: 10.1038/nature16986. Epub 2016 Feb 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, Allegaten 41, N-500 Bergen, Norway. ; School of Geography and the Environment, South Parks Road, University of Oxford, Oxford OX1 3QY, UK. ; Long-Term Ecology Laboratory, Biodiversity Institute, Oxford Martin School, Department of Zoology, South Parks Road, University of Oxford, Oxford OX1 3PS, UK. ; Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26886790" target="_blank"〉PubMed〈/a〉
    Keywords: *Acclimatization ; Americas ; Arctic Regions ; Asia ; Australia ; *Climate Change ; *Ecosystem ; Environmental Monitoring ; *Geographic Mapping ; Human Activities ; Models, Theoretical ; *Plant Physiological Phenomena ; Rainforest ; Temperature ; Time Factors ; Trees ; Water/analysis
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    Deriving human ENS lineages for cell therapy and drug discovery in Hirschsprung disease (2016)
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    Publication Date: 2016-02-11
    Description: The enteric nervous system (ENS) is the largest component of the autonomic nervous system, with neuron numbers surpassing those present in the spinal cord. The ENS has been called the 'second brain' given its autonomy, remarkable neurotransmitter diversity and complex cytoarchitecture. Defects in ENS development are responsible for many human disorders including Hirschsprung disease (HSCR). HSCR is caused by the developmental failure of ENS progenitors to migrate into the gastrointestinal tract, particularly the distal colon. Human ENS development remains poorly understood owing to the lack of an easily accessible model system. Here we demonstrate the efficient derivation and isolation of ENS progenitors from human pluripotent stem (PS) cells, and their further differentiation into functional enteric neurons. ENS precursors derived in vitro are capable of targeted migration in the developing chick embryo and extensive colonization of the adult mouse colon. The in vivo engraftment and migration of human PS-cell-derived ENS precursors rescue disease-related mortality in HSCR mice (Ednrb(s-l/s-l)), although the mechanism of action remains unclear. Finally, EDNRB-null mutant ENS precursors enable modelling of HSCR-related migration defects, and the identification of pepstatin A as a candidate therapeutic target. Our study establishes the first, to our knowledge, human PS-cell-based platform for the study of human ENS development, and presents cell- and drug-based strategies for the treatment of HSCR.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4846424/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4846424/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fattahi, Faranak -- Steinbeck, Julius A -- Kriks, Sonja -- Tchieu, Jason -- Zimmer, Bastian -- Kishinevsky, Sarah -- Zeltner, Nadja -- Mica, Yvonne -- El-Nachef, Wael -- Zhao, Huiyong -- de Stanchina, Elisa -- Gershon, Michael D -- Grikscheit, Tracy C -- Chen, Shuibing -- Studer, Lorenz -- DP2 DK098093-01/DK/NIDDK NIH HHS/ -- NS15547/NS/NINDS NIH HHS/ -- P30 CA008748/CA/NCI NIH HHS/ -- R01 NS015547/NS/NINDS NIH HHS/ -- England -- Nature. 2016 Mar 3;531(7592):105-9. doi: 10.1038/nature16951. Epub 2016 Feb 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Center for Stem Cell Biology, New York, New York 10065, USA. ; Developmental Biology Program, Sloan-Kettering Institute for Cancer Research, New York, New York 10065, USA. ; Weill Graduate School of Medical Sciences of Cornell University, New York, New York 10065, USA. ; Molecular Pharmacology Program, New York, New York 10065, USA. ; Department of Pathology and Cell Biology, Columbia University, College of Physicians and Surgeons, New York, New York 10032, USA. ; Children's Hospital Los Angeles, Pediatric Surgery, Los Angeles, California 90027, USA. ; Department of Surgery, Weill Medical College of Cornell University, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26863197" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Cell Differentiation ; Cell Line ; *Cell Lineage ; Cell Movement ; Cell Separation ; *Cell- and Tissue-Based Therapy/methods ; Chick Embryo ; Colon/drug effects/pathology ; Disease Models, Animal ; Drug Discovery/*methods ; Enteric Nervous System/*pathology ; Female ; Gastrointestinal Tract/drug effects/pathology ; Hirschsprung Disease/*drug therapy/*pathology/therapy ; Humans ; Male ; Mice ; Neurons/drug effects/*pathology ; Pepstatins/metabolism ; Pluripotent Stem Cells/pathology ; Receptor, Endothelin B/metabolism ; Signal Transduction
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    Daily magnesium fluxes regulate cellular timekeeping and energy balance (2016)
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    Publication Date: 2016-04-14
    Description: Circadian clocks are fundamental to the biology of most eukaryotes, coordinating behaviour and physiology to resonate with the environmental cycle of day and night through complex networks of clock-controlled genes. A fundamental knowledge gap exists, however, between circadian gene expression cycles and the biochemical mechanisms that ultimately facilitate circadian regulation of cell biology. Here we report circadian rhythms in the intracellular concentration of magnesium ions, [Mg(2+)]i, which act as a cell-autonomous timekeeping component to determine key clock properties both in a human cell line and in a unicellular alga that diverged from each other more than 1 billion years ago. Given the essential role of Mg(2+) as a cofactor for ATP, a functional consequence of [Mg(2+)]i oscillations is dynamic regulation of cellular energy expenditure over the daily cycle. Mechanistically, we find that these rhythms provide bilateral feedback linking rhythmic metabolism to clock-controlled gene expression. The global regulation of nucleotide triphosphate turnover by intracellular Mg(2+) availability has potential to impact upon many of the cell's more than 600 MgATP-dependent enzymes and every cellular system where MgNTP hydrolysis becomes rate limiting. Indeed, we find that circadian control of translation by mTOR is regulated through [Mg(2+)]i oscillations. It will now be important to identify which additional biological processes are subject to this form of regulation in tissues of multicellular organisms such as plants and humans, in the context of health and disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feeney, Kevin A -- Hansen, Louise L -- Putker, Marrit -- Olivares-Yanez, Consuelo -- Day, Jason -- Eades, Lorna J -- Larrondo, Luis F -- Hoyle, Nathaniel P -- O'Neill, John S -- van Ooijen, Gerben -- 093734/Z/10/Z/Wellcome Trust/United Kingdom -- MC_UP_1201/4/Medical Research Council/United Kingdom -- England -- Nature. 2016 Apr 21;532(7599):375-9. doi: 10.1038/nature17407. Epub 2016 Apr 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MRC Laboratory for Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK. ; School of Biological Sciences, University of Edinburgh, Max Born Crescent, Edinburgh EH9 3BF, UK. ; Millennium Nucleus for Fungal Integrative and Synthetic Biology, Departamento de Genetica Molecular y Microbiologia, Facultad de Ciencias Biologicas, Pontificia Universidad Catolica de Chile, Casilla 114-D, Santiago, Chile. ; Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EQ, UK. ; School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27074515" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Animals ; Cell Line ; Chlorophyta/cytology/metabolism ; Circadian Clocks/genetics/*physiology ; Circadian Rhythm/genetics/*physiology ; *Energy Metabolism ; Feedback, Physiological ; Gene Expression Regulation ; Humans ; Intracellular Space/metabolism ; Magnesium/*metabolism ; Male ; Mice ; TOR Serine-Threonine Kinases/metabolism ; Time Factors
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    Species difference in ANP32A underlies influenza A virus polymerase host restriction (2016)
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    Publication Date: 2016-01-08
    Description: Influenza pandemics occur unpredictably when zoonotic influenza viruses with novel antigenicity acquire the ability to transmit amongst humans. Host range breaches are limited by incompatibilities between avian virus components and the human host. Barriers include receptor preference, virion stability and poor activity of the avian virus RNA-dependent RNA polymerase in human cells. Mutants of the heterotrimeric viral polymerase components, particularly PB2 protein, are selected during mammalian adaptation, but their mode of action is unknown. We show that a species-specific difference in host protein ANP32A accounts for the suboptimal function of avian virus polymerase in mammalian cells. Avian ANP32A possesses an additional 33 amino acids between the leucine-rich repeats and carboxy-terminal low-complexity acidic region domains. In mammalian cells, avian ANP32A rescued the suboptimal function of avian virus polymerase to levels similar to mammalian-adapted polymerase. Deletion of the avian-specific sequence from chicken ANP32A abrogated this activity, whereas its insertion into human ANP32A, or closely related ANP32B, supported avian virus polymerase function. Substitutions, such as PB2(E627K), were rapidly selected upon infection of humans with avian H5N1 or H7N9 influenza viruses, adapting the viral polymerase for the shorter mammalian ANP32A. Thus ANP32A represents an essential host partner co-opted to support influenza virus replication and is a candidate host target for novel antivirals.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4710677/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4710677/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Long, Jason S -- Giotis, Efstathios S -- Moncorge, Olivier -- Frise, Rebecca -- Mistry, Bhakti -- James, Joe -- Morisson, Mireille -- Iqbal, Munir -- Vignal, Alain -- Skinner, Michael A -- Barclay, Wendy S -- 087039/Z/08/Z/Wellcome Trust/United Kingdom -- BB/K002465/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBS/E/I/00001708/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0600006/Medical Research Council/United Kingdom -- England -- Nature. 2016 Jan 7;529(7584):101-4. doi: 10.1038/nature16474.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Virology, Department of Medicine, Imperial College London, St Mary's Campus, London W2 1PG, UK. ; Centre d'etudes d'agents Pathogenes et Biotechnologies pour la Sante (CPBS), FRE 3689, CNRS-UM, 34293 Montpellier, France. ; Avian Viral Diseases Programme, The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK. ; UMR INRA/Genetique Physiologie et Systemes d'Elevage, INRA, 31326 Castanet-Tolosan, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26738596" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Avian Proteins/*chemistry/deficiency/*metabolism ; Cell Line ; Chickens/virology ; Cricetinae ; Cricetulus ; Dogs ; Evolution, Molecular ; Gene Expression Regulation, Viral ; Gene Knockdown Techniques ; *Host Specificity ; Humans ; Influenza A Virus, H5N1 Subtype/enzymology/genetics/physiology ; Influenza A Virus, H7N9 Subtype/enzymology/genetics/physiology ; Influenza A virus/*enzymology/genetics/physiology ; Intracellular Signaling Peptides and Proteins/*chemistry/deficiency/*metabolism ; RNA Replicase/genetics/*metabolism ; Species Specificity ; Transcription, Genetic ; Viral Proteins/genetics/*metabolism ; Virus Replication
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    Range management: Tibetan wildlife hemmed in (2016)
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    Publication Date: 2016-02-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ji, Weihong -- Aryal, Achyut -- Su, Junhu -- England -- Nature. 2016 Feb 4;530(7588):33. doi: 10.1038/530033c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massey University, Auckland, New Zealand; and Gansu Agricultural University, China. ; Gansu Agricultural University, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26842048" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/instrumentation/legislation & jurisprudence ; Animal Migration ; Animals ; Animals, Wild/genetics/*physiology ; Conservation of Natural Resources/*legislation & jurisprudence/*methods ; *Ecosystem ; Environmental Policy/*legislation & jurisprudence ; Motor Vehicles ; Railroads ; Tibet
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    Structural disorder of monomeric alpha-synuclein persists in mammalian cells (2016)
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    Publication Date: 2016-01-26
    Description: Intracellular aggregation of the human amyloid protein alpha-synuclein is causally linked to Parkinson's disease. While the isolated protein is intrinsically disordered, its native structure in mammalian cells is not known. Here we use nuclear magnetic resonance (NMR) and electron paramagnetic resonance (EPR) spectroscopy to derive atomic-resolution insights into the structure and dynamics of alpha-synuclein in different mammalian cell types. We show that the disordered nature of monomeric alpha-synuclein is stably preserved in non-neuronal and neuronal cells. Under physiological cell conditions, alpha-synuclein is amino-terminally acetylated and adopts conformations that are more compact than when in buffer, with residues of the aggregation-prone non-amyloid-beta component (NAC) region shielded from exposure to the cytoplasm, which presumably counteracts spontaneous aggregation. These results establish that different types of crowded intracellular environments do not inherently promote alpha-synuclein oligomerization and, more generally, that intrinsic structural disorder is sustainable in mammalian cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Theillet, Francois-Xavier -- Binolfi, Andres -- Bekei, Beata -- Martorana, Andrea -- Rose, Honor May -- Stuiver, Marchel -- Verzini, Silvia -- Lorenz, Dorothea -- van Rossum, Marleen -- Goldfarb, Daniella -- Selenko, Philipp -- England -- Nature. 2016 Feb 4;530(7588):45-50. doi: 10.1038/nature16531. Epub 2016 Jan 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉In-Cell NMR Laboratory, Department of NMR-supported Structural Biology, Leibniz Institute of Molecular Pharmacology (FMP Berlin), Robert-Rossle Strasse 10, 13125 Berlin, Germany. ; Department of Chemical Physics, Weizmann Institute of Science, Rehovot 76100, Israel. ; Department of Molecular Physiology and Cell Biology, Leibniz Institute of Molecular Pharmacology (FMP Berlin), Robert-Rossle Strasse 10, 13125 Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26808899" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Cell Line ; Cytoplasm/chemistry/metabolism ; Electron Spin Resonance Spectroscopy ; HeLa Cells ; Humans ; Intracellular Space/*chemistry/*metabolism ; Neurons/cytology/metabolism ; Nuclear Magnetic Resonance, Biomolecular ; Protein Conformation ; alpha-Synuclein/*chemistry/*metabolism
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    Microbial oceanography: Viral strategies at sea (2016)
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    Publication Date: 2016-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thingstad, T Frede -- Bratbak, Gunnar -- England -- Nature. 2016 Mar 24;531(7595):454-5. doi: 10.1038/nature17303. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Bergen, 5020 Bergen, Norway.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982732" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/*virology ; *Ecosystem ; *Host-Pathogen Interactions ; Viruses/*pathogenicity
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    NOD1 and NOD2 signalling links ER stress with inflammation (2016)
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    Publication Date: 2016-03-24
    Description: Endoplasmic reticulum (ER) stress is a major contributor to inflammatory diseases, such as Crohn disease and type 2 diabetes. ER stress induces the unfolded protein response, which involves activation of three transmembrane receptors, ATF6, PERK and IRE1alpha. Once activated, IRE1alpha recruits TRAF2 to the ER membrane to initiate inflammatory responses via the NF-kappaB pathway. Inflammation is commonly triggered when pattern recognition receptors (PRRs), such as Toll-like receptors or nucleotide-binding oligomerization domain (NOD)-like receptors, detect tissue damage or microbial infection. However, it is not clear which PRRs have a major role in inducing inflammation during ER stress. Here we show that NOD1 and NOD2, two members of the NOD-like receptor family of PRRs, are important mediators of ER-stress-induced inflammation in mouse and human cells. The ER stress inducers thapsigargin and dithiothreitol trigger production of the pro-inflammatory cytokine IL-6 in a NOD1/2-dependent fashion. Inflammation and IL-6 production triggered by infection with Brucella abortus, which induces ER stress by injecting the type IV secretion system effector protein VceC into host cells, is TRAF2, NOD1/2 and RIP2-dependent and can be reduced by treatment with the ER stress inhibitor tauroursodeoxycholate or an IRE1alpha kinase inhibitor. The association of NOD1 and NOD2 with pro-inflammatory responses induced by the IRE1alpha/TRAF2 signalling pathway provides a novel link between innate immunity and ER-stress-induced inflammation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4869892/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4869892/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keestra-Gounder, A Marijke -- Byndloss, Mariana X -- Seyffert, Nubia -- Young, Briana M -- Chavez-Arroyo, Alfredo -- Tsai, April Y -- Cevallos, Stephanie A -- Winter, Maria G -- Pham, Oanh H -- Tiffany, Connor R -- de Jong, Maarten F -- Kerrinnes, Tobias -- Ravindran, Resmi -- Luciw, Paul A -- McSorley, Stephen J -- Baumler, Andreas J -- Tsolis, Renee M -- AI044170/AI/NIAID NIH HHS/ -- AI076246/AI/NIAID NIH HHS/ -- AI076278/AI/NIAID NIH HHS/ -- AI096528/AI/NIAID NIH HHS/ -- AI109799/AI/NIAID NIH HHS/ -- AI112258/AI/NIAID NIH HHS/ -- AI117303/AI/NIAID NIH HHS/ -- GM056765/GM/NIGMS NIH HHS/ -- R01 AI044170/AI/NIAID NIH HHS/ -- R01 AI076246/AI/NIAID NIH HHS/ -- R01 AI076278/AI/NIAID NIH HHS/ -- R01 AI096528/AI/NIAID NIH HHS/ -- R01 AI109799/AI/NIAID NIH HHS/ -- R21 AI112258/AI/NIAID NIH HHS/ -- R21 AI117303/AI/NIAID NIH HHS/ -- R25 GM056765/GM/NIGMS NIH HHS/ -- England -- Nature. 2016 Apr 21;532(7599):394-7. doi: 10.1038/nature17631. Epub 2016 Mar 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, One Shields Ave, Davis, California 95616, USA. ; Center for Comparative Medicine, Schools of Medicine and Veterinary Medicine, University of California at Davis, One Shields Ave, Davis, California 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27007849" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Outer Membrane Proteins/metabolism ; Brucella abortus/immunology/pathogenicity ; Cell Line ; Dithiothreitol/pharmacology ; Endoplasmic Reticulum/drug effects/pathology ; *Endoplasmic Reticulum Stress/drug effects ; Endoribonucleases/antagonists & inhibitors ; Female ; Humans ; Immunity, Innate ; Inflammation/chemically induced/*metabolism ; Interleukin-6/biosynthesis ; Male ; Mice ; Mice, Inbred C57BL ; NF-kappa B/metabolism ; Nod1 Signaling Adaptor Protein/immunology/*metabolism ; Nod2 Signaling Adaptor Protein/immunology/*metabolism ; Protein-Serine-Threonine Kinases/antagonists & inhibitors ; Receptors, Pattern Recognition/metabolism ; *Signal Transduction/drug effects ; TNF Receptor-Associated Factor 2/metabolism ; Taurochenodeoxycholic Acid/pharmacology ; Thapsigargin/pharmacology ; Unfolded Protein Response/drug effects
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Lytic to temperate switching of viral communities (2016)
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    Publication Date: 2016-03-17
    Description: Microbial viruses can control host abundances via density-dependent lytic predator-prey dynamics. Less clear is how temperate viruses, which coexist and replicate with their host, influence microbial communities. Here we show that virus-like particles are relatively less abundant at high host densities. This suggests suppressed lysis where established models predict lytic dynamics are favoured. Meta-analysis of published viral and microbial densities showed that this trend was widespread in diverse ecosystems ranging from soil to freshwater to human lungs. Experimental manipulations showed viral densities more consistent with temperate than lytic life cycles at increasing microbial abundance. An analysis of 24 coral reef viromes showed a relative increase in the abundance of hallmark genes encoded by temperate viruses with increased microbial abundance. Based on these four lines of evidence, we propose the Piggyback-the-Winner model wherein temperate dynamics become increasingly important in ecosystems with high microbial densities; thus 'more microbes, fewer viruses'.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knowles, B -- Silveira, C B -- Bailey, B A -- Barott, K -- Cantu, V A -- Cobian-Guemes, A G -- Coutinho, F H -- Dinsdale, E A -- Felts, B -- Furby, K A -- George, E E -- Green, K T -- Gregoracci, G B -- Haas, A F -- Haggerty, J M -- Hester, E R -- Hisakawa, N -- Kelly, L W -- Lim, Y W -- Little, M -- Luque, A -- McDole-Somera, T -- McNair, K -- de Oliveira, L S -- Quistad, S D -- Robinett, N L -- Sala, E -- Salamon, P -- Sanchez, S E -- Sandin, S -- Silva, G G Z -- Smith, J -- Sullivan, C -- Thompson, C -- Vermeij, M J A -- Youle, M -- Young, C -- Zgliczynski, B -- Brainard, R -- Edwards, R A -- Nulton, J -- Thompson, F -- Rohwer, F -- England -- Nature. 2016 Mar 24;531(7595):466-70. doi: 10.1038/nature17193. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Biology Institute, Rio de Janeiro Federal University, Av. Carlos Chagas Filho 373, Rio de Janeiro, Rio de Janeiro 21941-599, Brazil. ; Department of Mathematics and Statistics, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Hawaii Institute of Marine Biology, University of Hawaii at Manoa, 46-007 Lilipuna Road, Kaneohe, Hawaii 96744, USA. ; Computational Science Research Center, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Rainbow Rock, Ocean View, Hawaii 96737, USA. ; Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences, Centre for Molecular and Biomolecular Informatics, 6525HP Nijmegen, The Netherlands. ; Viral Information Institute, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA. ; Scripps Institution of Oceanography, 8622 Kennel Way, La Jolla, California 92037, USA. ; Department of Biology, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA. ; Marine Sciences Department, Sao Paulo Federal University - Baixada Santista, Av. Alm. Saldanha da Gama, 89, Santos, Sao Paulo 11030-400, Brazil. ; National Geographic Society, 1145 17th St NW, Washington D.C. 20036, USA. ; CARMABI Foundation, Piscaderabaai z/n, Willemstad, Curacao, Netherlands Antilles. ; Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, 1098XH Amsterdam, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982729" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/physiology/*virology ; Bacteriophages/pathogenicity/physiology ; Coral Reefs ; *Ecosystem ; Genes, Viral/genetics ; *Host-Pathogen Interactions ; Lysogeny ; Models, Biological ; Virulence/genetics ; Viruses/genetics/isolation & purification/*pathogenicity
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    Ecology: Change is in the air (2016)
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    Publication Date: 2016-04-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rodriguez, Barbra -- England -- Nature. 2016 Apr 21;532(7599):403-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27127819" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animal Migration ; Animals ; Biodiversity ; Climate Change/economics/*statistics & numerical data ; Ecology/economics/manpower/*methods/*trends ; *Ecosystem ; Plants ; Research/economics/manpower/*trends ; *Research Design ; Research Personnel ; *Uncertainty ; Ursidae ; *Weather
    Print ISSN: 0028-0836
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    Environment: Curb anchor scour for green shipping (2016)
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    Publication Date: 2016-05-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, Andrew R -- Broad, Allison -- England -- Nature. 2016 May 5;533(7601):36. doi: 10.1038/533036a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Wollongong, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27147022" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms ; Biodiversity ; Conservation of Natural Resources/*methods/trends ; *Ecosystem ; Ships/*methods
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Government cuts: Fanning the flames of Australian wildfires (2016)
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    Publication Date: 2016-04-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doherty, Tim S -- Maron, Martine -- England -- Nature. 2016 Mar 31;531(7596):580. doi: 10.1038/531580b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Deakin University, Victoria, Australia. ; The University of Queensland, Brisbane, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27029269" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Australia ; *Ecosystem ; Endangered Species ; *Financing, Government ; *Fires/economics/statistics & numerical data ; Forests ; *Global Warming/economics/statistics & numerical data ; Leadership ; Politics ; Research/*economics/trends
    Print ISSN: 0028-0836
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    Universal resilience patterns in complex networks (2016)
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    Publication Date: 2016-02-19
    Description: Resilience, a system's ability to adjust its activity to retain its basic functionality when errors, failures and environmental changes occur, is a defining property of many complex systems. Despite widespread consequences for human health, the economy and the environment, events leading to loss of resilience--from cascading failures in technological systems to mass extinctions in ecological networks--are rarely predictable and are often irreversible. These limitations are rooted in a theoretical gap: the current analytical framework of resilience is designed to treat low-dimensional models with a few interacting components, and is unsuitable for multi-dimensional systems consisting of a large number of components that interact through a complex network. Here we bridge this theoretical gap by developing a set of analytical tools with which to identify the natural control and state parameters of a multi-dimensional complex system, helping us derive effective one-dimensional dynamics that accurately predict the system's resilience. The proposed analytical framework allows us systematically to separate the roles of the system's dynamics and topology, collapsing the behaviour of different networks onto a single universal resilience function. The analytical results unveil the network characteristics that can enhance or diminish resilience, offering ways to prevent the collapse of ecological, biological or economic systems, and guiding the design of technological systems resilient to both internal failures and environmental changes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gao, Jianxi -- Barzel, Baruch -- Barabasi, Albert-Laszlo -- England -- Nature. 2016 Feb 18;530(7590):307-12. doi: 10.1038/nature16948.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Complex Network Research, Department of Physics, Northeastern University, Boston, Massachusetts 02115, USA. ; Department of Mathematics, Bar-Ilan University, Ramat-Gan 52900, Israel. ; Center for Cancer Systems Biology, Dana-Farber Cancer Institute, Harvard University, Boston, Massachusetts 02215, USA. ; Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Center for Network Science, Central European University, Budapest 1051, Hungary.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26887493" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; *Ecosystem ; Gene Expression Regulation ; Gene Regulatory Networks/*genetics ; *Models, Biological
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    Microbiology: Exclusive networks in the sea (2015)
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    Publication Date: 2015-05-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Limardo, Alexander J -- Worden, Alexandra Z -- England -- Nature. 2015 Jun 4;522(7554):36-7. doi: 10.1038/nature14530. Epub 2015 May 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ocean Sciences, University of California, Santa Cruz, California 95064, USA, and at the Monterey Bay Aquarium Research Institute, Moss Landing, California. ; 1] Department of Ocean Sciences, University of California, Santa Cruz, California 95064, USA, and at the Monterey Bay Aquarium Research Institute, Moss Landing, California. [2] Canadian Institute for Advanced Research, Toronto, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26017309" target="_blank"〉PubMed〈/a〉
    Keywords: Diatoms/*metabolism/*microbiology ; *Ecosystem ; Indoleacetic Acids/*metabolism ; Phytoplankton/*metabolism/*microbiology ; Rhodobacteraceae/*metabolism
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    The core spliceosome as target and effector of non-canonical ATM signalling (2015)
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    Publication Date: 2015-06-25
    Description: In response to DNA damage, tissue homoeostasis is ensured by protein networks promoting DNA repair, cell cycle arrest or apoptosis. DNA damage response signalling pathways coordinate these processes, partly by propagating gene-expression-modulating signals. DNA damage influences not only the abundance of messenger RNAs, but also their coding information through alternative splicing. Here we show that transcription-blocking DNA lesions promote chromatin displacement of late-stage spliceosomes and initiate a positive feedback loop centred on the signalling kinase ATM. We propose that initial spliceosome displacement and subsequent R-loop formation is triggered by pausing of RNA polymerase at DNA lesions. In turn, R-loops activate ATM, which signals to impede spliceosome organization further and augment ultraviolet-irradiation-triggered alternative splicing at the genome-wide level. Our findings define R-loop-dependent ATM activation by transcription-blocking lesions as an important event in the DNA damage response of non-replicating cells, and highlight a key role for spliceosome displacement in this process.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4501432/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4501432/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tresini, Maria -- Warmerdam, Daniel O -- Kolovos, Petros -- Snijder, Loes -- Vrouwe, Mischa G -- Demmers, Jeroen A A -- van IJcken, Wilfred F J -- Grosveld, Frank G -- Medema, Rene H -- Hoeijmakers, Jan H J -- Mullenders, Leon H F -- Vermeulen, Wim -- Marteijn, Jurgen A -- 10-0594/Worldwide Cancer Research/United Kingdom -- 233424/European Research Council/International -- 340988/European Research Council/International -- P01 AG017242/AG/NIA NIH HHS/ -- England -- Nature. 2015 Jul 2;523(7558):53-8. doi: 10.1038/nature14512. Epub 2015 Jun 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Cancer Genomics Netherlands, Erasmus University Medical Center, Rotterdam, 3015 CN, The Netherlands. ; Division of Cell Biology, Netherlands Cancer Institute, Amsterdam, 1066 CX, The Netherlands. ; Department of Cell Biology, Erasmus University Medical Center, Rotterdam, 3015 CN, The Netherlands. ; Department of Human Genetics, Leiden University Medical Center, Leiden, 2333 ZC, The Netherlands. ; Erasmus MC Proteomics Center, Erasmus University Medical Center, Rotterdam, 3015 CN, The Netherlands. ; Erasmus Center for Biomics, Erasmus University Medical Center, Rotterdam, 3015 CN, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26106861" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing/physiology ; Ataxia Telangiectasia Mutated Proteins/*metabolism ; Cell Line ; Chromatin/metabolism ; DNA Damage/*physiology ; DNA-Directed RNA Polymerases/metabolism ; Enzyme Activation ; Humans ; *Signal Transduction ; Spliceosomes/*metabolism ; Ultraviolet Rays
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    Zanne et al. reply (2015)
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    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zanne, Amy E -- Tank, David C -- Cornwell, William K -- Eastman, Jonathan M -- Smith, Stephen A -- FitzJohn, Richard G -- McGlinn, Daniel J -- O'Meara, Brian C -- Moles, Angela T -- Reich, Peter B -- Royer, Dana L -- Soltis, Douglas E -- Stevens, Peter F -- Westoby, Mark -- Wright, Ian J -- Aarssen, Lonnie -- Bertin, Robert I -- Calaminus, Andre -- Govaerts, Rafael -- Hemmings, Frank -- Leishman, Michelle R -- Oleksyn, Jacek -- Soltis, Pamela S -- Swenson, Nathan G -- Warman, Laura -- Beaulieu, Jeremy M -- England -- Nature. 2015 May 21;521(7552):E6-7. doi: 10.1038/nature14394.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Biological Sciences, George Washington University, Washington DC 20052, USA. [2] Center for Conservation and Sustainable Development, Missouri Botanical Garden, St Louis, Missouri 63121, USA. ; 1] Department of Biological Sciences, University of Idaho, Moscow, Idaho 83844, USA. [2] Institute for Bioinformatics and Evolutionary Studies, University of Idaho, Moscow, Idaho 83844, USA. ; 1] Department of Ecological Sciences, Systems Ecology, de Boelelaan 1085, 1081 HV Amsterdam, The Netherlands. [2] Evolution &Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia. ; Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan 48109, USA. ; 1] Department of Zoology and Biodiversity Research Centre, University of British Columbia, Vancouver, British Columbia V6T1Z4, Canada. [2] Department of Biological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia. ; Department of Biology, College of Charleston, Charleston, South Carolina 29424, USA. ; Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee 37996, USA. ; Evolution &Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia. ; 1] Department of Forest Resources, University of Minnesota, St Paul, Minnesota 55108, USA. [2] Hawkesbury Institute for the Environment, University of Western Sydney, Penrith, New South Wales 2751, Australia. ; Department of Earth and Environmental Sciences, Wesleyan University, Middletown, Connecticut 06459, USA. ; 1] Department of Biology, University of Florida, Gainesville, Florida 32611, USA. [2] Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611, USA. [3] Genetics Institute, University of Florida, Gainesville, Florida 32611, USA. ; Department of Biology, University of Missouri-St Louis, St Louis, Missouri 63121, USA. ; Department of Biological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia. ; Department of Biology, Queen's University, Kingston, Ontario K7L 3N6, Canada. ; Department of Biology, College of the Holy Cross, Worcester, Massachusetts 01610, USA. ; Department of Biology, University of Florida, Gainesville, Florida 32611, USA. ; Royal Botanic Gardens, Kew, Richmond TW9 3AB, UK. ; 1] Department of Forest Resources, University of Minnesota, St Paul, Minnesota 55108, USA. [2] Polish Academy of Sciences, Institute of Dendrology, 62-035 Kornik, Poland. ; 1] Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611, USA. [2] Genetics Institute, University of Florida, Gainesville, Florida 32611, USA. ; Department of Plant Biology and Ecology, Evolutionary Biology and Behavior, Program, Michigan State University, East Lansing, Michigan 48824, USA. ; 1] Evolution &Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia. [2] Institute of Pacific Islands Forestry, USDA Forest Service, Hilo, Hawaii 96720, USA. ; National Institute for Mathematical &Biological Synthesis, University of Tennessee, Knoxville, Tennessee 37996, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25993971" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/*anatomy & histology/*physiology ; *Biological Evolution ; *Cold Climate ; *Ecosystem ; *Freezing ; Xylem/*anatomy & histology
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    Deep phenotyping: The details of disease (2015)
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    Publication Date: 2015-11-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Delude, Cathryn M -- England -- Nature. 2015 Nov 5;527(7576):S14-5. doi: 10.1038/527S14a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26536218" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/genetics ; Cell Line ; Datasets as Topic ; Diabetes Mellitus/genetics ; Disease/*genetics ; Disease Models, Animal ; Genetics, Medical/*trends ; Genomics/trends ; Humans ; Mice ; Mice, Knockout ; Multifactorial Inheritance/genetics ; *Phenotype ; Precision Medicine/trends
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    Ecology: Deep and complex ways to survive bleaching (2015)
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    Publication Date: 2015-02-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pandolfi, John M -- England -- Nature. 2015 Feb 5;518(7537):43-4. doi: 10.1038/nature14196. Epub 2015 Jan 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences and the Australian Research Council Centre of Excellence for Coral Reef Studies, University of Queensland, Brisbane, Queensland 4072, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25652993" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/*growth & development/*physiology ; *Climate Change ; *Coral Reefs ; *Ecosystem
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    Recovery potential of the world's coral reef fishes (2015)
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    Details
    Publication Date: 2015-04-10
    Description: Continuing degradation of coral reef ecosystems has generated substantial interest in how management can support reef resilience. Fishing is the primary source of diminished reef function globally, leading to widespread calls for additional marine reserves to recover fish biomass and restore key ecosystem functions. Yet there are no established baselines for determining when these conservation objectives have been met or whether alternative management strategies provide similar ecosystem benefits. Here we establish empirical conservation benchmarks and fish biomass recovery timelines against which coral reefs can be assessed and managed by studying the recovery potential of more than 800 coral reefs along an exploitation gradient. We show that resident reef fish biomass in the absence of fishing (B0) averages approximately 1,000 kg ha(-1), and that the vast majority (83%) of fished reefs are missing more than half their expected biomass, with severe consequences for key ecosystem functions such as predation. Given protection from fishing, reef fish biomass has the potential to recover within 35 years on average and less than 60 years when heavily depleted. Notably, alternative fisheries restrictions are largely (64%) successful at maintaining biomass above 50% of B0, sustaining key functions such as herbivory. Our results demonstrate that crucial ecosystem functions can be maintained through a range of fisheries restrictions, allowing coral reef managers to develop recovery plans that meet conservation and livelihood objectives in areas where marine reserves are not socially or politically feasible solutions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacNeil, M Aaron -- Graham, Nicholas A J -- Cinner, Joshua E -- Wilson, Shaun K -- Williams, Ivor D -- Maina, Joseph -- Newman, Steven -- Friedlander, Alan M -- Jupiter, Stacy -- Polunin, Nicholas V C -- McClanahan, Tim R -- England -- Nature. 2015 Apr 16;520(7547):341-4. doi: 10.1038/nature14358. Epub 2015 Apr 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Australian Institute of Marine Science, PMB 3 Townsville MC, Townsville, Queensland 4810, Australia [2] Department of Mathematics and Statistics, Dalhousie University, Halifax, Nova Scotia B3H 3J5, Canada [3] Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811, Australia. ; Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811, Australia. ; 1] Department of Parks and Wildlife, Kensington, Perth, Western Australia 6151, Australia [2] Oceans Institute, University of Western Australia, Crawley, Western Australia 6009, Australia. ; Coral Reef Ecosystems Division, NOAA Pacific Islands Fisheries Science Center, Honolulu, Hawaii 96818, USA. ; 1] Australian Research Council Centre of Excellence for Environmental Decisions (CEED), University of Queensland, Brisbane, St Lucia, Queensland 4074, Australia [2] Wildlife Conservation Society, Marine Programs, Bronx, New York 10460, USA. ; School of Marine Science and Technology, Newcastle University, Newcastle upon Tyne NE1 7RU, UK. ; 1] Fisheries Ecology Research Lab, Department of Biology, University of Hawaii, Honolulu, Hawaii 96822, USA [2] Pristine Seas-National Geographic, Washington DC 20036, USA. ; Wildlife Conservation Society, Marine Programs, Bronx, New York 10460, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855298" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Biomass ; Conservation of Natural Resources/*methods/statistics & numerical data/*trends ; *Coral Reefs ; *Ecosystem ; Fisheries/*methods/standards/*statistics & numerical data ; Fishes/*physiology ; Herbivory ; Population Dynamics ; Predatory Behavior ; Time Factors
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    Environment: phosphate mining risks atoll culture (2015)
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    Publication Date: 2015-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magnan, Alexandre -- Duvat, Virginie -- England -- Nature. 2015 Jun 11;522(7555):156. doi: 10.1038/522156b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Sustainable Development and International Relations (IDDRI), Sciences Po, Paris, France. ; Littoral, Environment and Societies Research Unit (LIENSs, UMR 7266), University of La Rochelle and CNRS, La Rochelle, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26062500" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Anthozoa ; *Ecosystem ; Fisheries ; Mining/*legislation & jurisprudence ; Pacific Ocean ; Phosphates/*isolation & purification ; Polynesia
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    Chromothripsis from DNA damage in micronuclei (2015)
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    Publication Date: 2015-05-29
    Description: Genome sequencing has uncovered a new mutational phenomenon in cancer and congenital disorders called chromothripsis. Chromothripsis is characterized by extensive genomic rearrangements and an oscillating pattern of DNA copy number levels, all curiously restricted to one or a few chromosomes. The mechanism for chromothripsis is unknown, but we previously proposed that it could occur through the physical isolation of chromosomes in aberrant nuclear structures called micronuclei. Here, using a combination of live cell imaging and single-cell genome sequencing, we demonstrate that micronucleus formation can indeed generate a spectrum of genomic rearrangements, some of which recapitulate all known features of chromothripsis. These events are restricted to the mis-segregated chromosome and occur within one cell division. We demonstrate that the mechanism for chromothripsis can involve the fragmentation and subsequent reassembly of a single chromatid from a micronucleus. Collectively, these experiments establish a new mutational process of which chromothripsis is one extreme outcome.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4742237/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4742237/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Cheng-Zhong -- Spektor, Alexander -- Cornils, Hauke -- Francis, Joshua M -- Jackson, Emily K -- Liu, Shiwei -- Meyerson, Matthew -- Pellman, David -- GM083299-18/GM/NIGMS NIH HHS/ -- R01 GM061345/GM/NIGMS NIH HHS/ -- R01 GM083299/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Jun 11;522(7555):179-84. doi: 10.1038/nature14493. Epub 2015 May 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [3] Broad Institute of Harvard and MIT, Cambridge, Massachusetts 02142, USA [4] Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA [3] Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. ; 1] Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Broad Institute of Harvard and MIT, Cambridge, Massachusetts 02142, USA. ; 1] Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA [3] Howard Hughes Medical Institute, Chevy Chase, Maryland 20815, USA. ; 1] Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Broad Institute of Harvard and MIT, Cambridge, Massachusetts 02142, USA [3] Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA [4] Center for Cancer Genome Discovery, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA. ; 1] Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA [2] Broad Institute of Harvard and MIT, Cambridge, Massachusetts 02142, USA [3] Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA [4] Howard Hughes Medical Institute, Chevy Chase, Maryland 20815, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26017310" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cell Survival ; *Chromosome Breakage ; Chromosome Segregation/genetics ; DNA Copy Number Variations/genetics ; *DNA Damage ; Gene Rearrangement/genetics ; Genomic Instability/genetics ; Humans ; *Micronuclei, Chromosome-Defective ; Mutation/genetics ; Neoplasms/genetics ; S Phase/genetics ; Single-Cell Analysis
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    Regulation of endoplasmic reticulum turnover by selective autophagy (2015)
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    Publication Date: 2015-06-05
    Description: The endoplasmic reticulum (ER) is the largest intracellular endomembrane system, enabling protein and lipid synthesis, ion homeostasis, quality control of newly synthesized proteins and organelle communication. Constant ER turnover and modulation is needed to meet different cellular requirements and autophagy has an important role in this process. However, its underlying regulatory mechanisms remain unexplained. Here we show that members of the FAM134 reticulon protein family are ER-resident receptors that bind to autophagy modifiers LC3 and GABARAP, and facilitate ER degradation by autophagy ('ER-phagy'). Downregulation of FAM134B protein in human cells causes an expansion of the ER, while FAM134B overexpression results in ER fragmentation and lysosomal degradation. Mutant FAM134B proteins that cause sensory neuropathy in humans are unable to act as ER-phagy receptors. Consistently, disruption of Fam134b in mice causes expansion of the ER, inhibits ER turnover, sensitizes cells to stress-induced apoptotic cell death and leads to degeneration of sensory neurons. Therefore, selective ER-phagy via FAM134 proteins is indispensable for mammalian cell homeostasis and controls ER morphology and turnover in mice and humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Khaminets, Aliaksandr -- Heinrich, Theresa -- Mari, Muriel -- Grumati, Paolo -- Huebner, Antje K -- Akutsu, Masato -- Liebmann, Lutz -- Stolz, Alexandra -- Nietzsche, Sandor -- Koch, Nicole -- Mauthe, Mario -- Katona, Istvan -- Qualmann, Britta -- Weis, Joachim -- Reggiori, Fulvio -- Kurth, Ingo -- Hubner, Christian A -- Dikic, Ivan -- England -- Nature. 2015 Jun 18;522(7556):354-8. doi: 10.1038/nature14498. Epub 2015 Jun 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Biochemistry II, Goethe University School of Medicine, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany. ; Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Kollegiengasse 10, 07743 Jena, Germany. ; 1] Department of Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands [2] Department of Cell Biology, University Medical Center Utrecht, University of Groningen, Antonious Deusinglaan 1, 3713 AV Groningen, The Netherlands. ; Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Riedberg Campus, Max-von-Laue-Strasse 15, 60438 Frankfurt am Main, Germany. ; Electron Microscopy Center, Jena University Hospital, Friedrich-Schiller-University Jena, Ziegelmuhlenweg 1, 07743 Jena, Germany. ; Institute for Biochemistry I, Jena University Hospital, Friedrich-Schiller-University Jena, 07743 Jena, Germany. ; Institute of Neuropathology, RWTH Aachen University Hospital, Pauwelsstr. 30, 52074 Aachen, Germany. ; 1] Institute of Biochemistry II, Goethe University School of Medicine, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany [2] Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Riedberg Campus, Max-von-Laue-Strasse 15, 60438 Frankfurt am Main, Germany [3] Institute of Immunology, School of Medicine University of Split, Mestrovicevo setaliste bb, 21 000 Split, Croatia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26040720" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/metabolism ; Animals ; Apoptosis ; Autophagy/*physiology ; Biomarkers/metabolism ; Cell Line ; Endoplasmic Reticulum/chemistry/*metabolism ; Female ; Gene Deletion ; Humans ; Lysosomes/metabolism ; Male ; Membrane Proteins/deficiency/genetics/*metabolism ; Mice ; Microtubule-Associated Proteins/metabolism ; Neoplasm Proteins/deficiency/genetics/*metabolism ; Phagosomes/metabolism ; Protein Binding ; Sensory Receptor Cells/metabolism/pathology
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    Single-cell chromatin accessibility reveals principles of regulatory variation (2015)
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    Publication Date: 2015-06-18
    Description: Cell-to-cell variation is a universal feature of life that affects a wide range of biological phenomena, from developmental plasticity to tumour heterogeneity. Although recent advances have improved our ability to document cellular phenotypic variation, the fundamental mechanisms that generate variability from identical DNA sequences remain elusive. Here we reveal the landscape and principles of mammalian DNA regulatory variation by developing a robust method for mapping the accessible genome of individual cells by assay for transposase-accessible chromatin using sequencing (ATAC-seq) integrated into a programmable microfluidics platform. Single-cell ATAC-seq (scATAC-seq) maps from hundreds of single cells in aggregate closely resemble accessibility profiles from tens of millions of cells and provide insights into cell-to-cell variation. Accessibility variance is systematically associated with specific trans-factors and cis-elements, and we discover combinations of trans-factors associated with either induction or suppression of cell-to-cell variability. We further identify sets of trans-factors associated with cell-type-specific accessibility variance across eight cell types. Targeted perturbations of cell cycle or transcription factor signalling evoke stimulus-specific changes in this observed variability. The pattern of accessibility variation in cis across the genome recapitulates chromosome compartments de novo, linking single-cell accessibility variation to three-dimensional genome organization. Single-cell analysis of DNA accessibility provides new insight into cellular variation of the 'regulome'.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4685948/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4685948/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buenrostro, Jason D -- Wu, Beijing -- Litzenburger, Ulrike M -- Ruff, Dave -- Gonzales, Michael L -- Snyder, Michael P -- Chang, Howard Y -- Greenleaf, William J -- 5U54HG00455805/HG/NHGRI NIH HHS/ -- P50 HG007735/HG/NHGRI NIH HHS/ -- P50HG007735/HG/NHGRI NIH HHS/ -- T32 HG000044/HG/NHGRI NIH HHS/ -- T32HG000044/HG/NHGRI NIH HHS/ -- U19 AI057266/AI/NIAID NIH HHS/ -- U19AI057266/AI/NIAID NIH HHS/ -- U54 HG004558/HG/NHGRI NIH HHS/ -- UH2 AR067676/AR/NIAMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Jul 23;523(7561):486-90. doi: 10.1038/nature14590. Epub 2015 Jun 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Genetics, Stanford University School of Medicine, Stanford, California 94305, USA [2] Program in Epithelial Biology and the Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, California 94305, USA. ; Department of Genetics, Stanford University School of Medicine, Stanford, California 94305, USA. ; Program in Epithelial Biology and the Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, California 94305, USA. ; Fluidigm Corporation, South San Francisco, California 94080, USA. ; 1] Department of Genetics, Stanford University School of Medicine, Stanford, California 94305, USA [2] Department of Applied Physics, Stanford University, Stanford, California 94025, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26083756" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Compartmentation ; Cell Cycle/genetics ; Cell Line ; Cells/classification/*metabolism ; Chromatin/*genetics/*metabolism ; DNA/genetics/metabolism ; Epigenesis, Genetic ; *Epigenomics ; Genome, Human/genetics ; Humans ; Microfluidics ; Signal Transduction ; Single-Cell Analysis/*methods ; Transcription Factors/metabolism ; Transposases/metabolism
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    Growth and host interaction of mouse segmented filamentous bacteria in vitro (2015)
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    Publication Date: 2015-01-21
    Description: The gut microbiota plays a crucial role in the maturation of the intestinal mucosal immune system of its host. Within the thousand bacterial species present in the intestine, the symbiont segmented filamentous bacterium (SFB) is unique in its ability to potently stimulate the post-natal maturation of the B- and T-cell compartments and induce a striking increase in the small-intestinal Th17 responses. Unlike other commensals, SFB intimately attaches to absorptive epithelial cells in the ileum and cells overlying Peyer's patches. This colonization does not result in pathology; rather, it protects the host from pathogens. Yet, little is known about the SFB-host interaction that underlies the important immunostimulatory properties of SFB, because SFB have resisted in vitro culturing for more than 50 years. Here we grow mouse SFB outside their host in an SFB-host cell co-culturing system. Single-celled SFB isolated from monocolonized mice undergo filamentation, segmentation, and differentiation to release viable infectious particles, the intracellular offspring, which can colonize mice to induce signature immune responses. In vitro, intracellular offspring can attach to mouse and human host cells and recruit actin. In addition, SFB can potently stimulate the upregulation of host innate defence genes, inflammatory cytokines, and chemokines. In vitro culturing thereby mimics the in vivo niche, provides new insights into SFB growth requirements and their immunostimulatory potential, and makes possible the investigation of the complex developmental stages of SFB and the detailed dissection of the unique SFB-host interaction at the cellular and molecular levels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schnupf, Pamela -- Gaboriau-Routhiau, Valerie -- Gros, Marine -- Friedman, Robin -- Moya-Nilges, Maryse -- Nigro, Giulia -- Cerf-Bensussan, Nadine -- Sansonetti, Philippe J -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Apr 2;520(7545):99-103. doi: 10.1038/nature14027. Epub 2015 Jan 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Unite de Pathogenie Microbienne Moleculaire and Institut national de la sante et de la recherche medicale (INSERM) unit U786, Institut Pasteur, 25-28 Rue du Dr Roux, 75724 Paris Cedex 15, France [2] INSERM, UMR1163, Laboratory of Intestinal Immunity, Institut Imagine, 24, Boulevard du Montparnasse, 75015 Paris, France. ; 1] INSERM, UMR1163, Laboratory of Intestinal Immunity, Institut Imagine, 24, Boulevard du Montparnasse, 75015 Paris, France [2] Institut national de la recherche agronomique (INRA) Micalis UMR1319, 78350 Jouy-en-Josas, France [3] Universite Paris Descartes-Sorbonne Paris Cite and Institut Imagine, 75015 Paris, France. ; 1] Universite Paris Descartes-Sorbonne Paris Cite and Institut Imagine, 75015 Paris, France [2] Ecole Normale Superieure de Lyon, Department of Biology, 69007 Lyon, France. ; Unite de Pathogenie Microbienne Moleculaire and Institut national de la sante et de la recherche medicale (INSERM) unit U786, Institut Pasteur, 25-28 Rue du Dr Roux, 75724 Paris Cedex 15, France. ; Imagopole, Ultrastructural Microscopy Platform, Institut Pasteur, 25-28 Rue du Dr Roux, 75724 Paris Cedex 15, France. ; 1] INSERM, UMR1163, Laboratory of Intestinal Immunity, Institut Imagine, 24, Boulevard du Montparnasse, 75015 Paris, France [2] Universite Paris Descartes-Sorbonne Paris Cite and Institut Imagine, 75015 Paris, France. ; 1] Unite de Pathogenie Microbienne Moleculaire and Institut national de la sante et de la recherche medicale (INSERM) unit U786, Institut Pasteur, 25-28 Rue du Dr Roux, 75724 Paris Cedex 15, France [2] Microbiologie et Maladies Infectieuses, College de France, 11 Marcelin Berthelot Square, 75005 Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25600271" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/metabolism ; Animals ; Bacteria/cytology/*growth & development/*immunology ; Cell Line ; Coculture Techniques/*methods ; Escherichia coli/cytology/growth & development/immunology ; Feces/microbiology ; Female ; Germ-Free Life ; Humans ; Immunity, Mucosal/immunology ; Intestinal Mucosa/cytology/immunology/microbiology ; Intestines/cytology/*immunology/*microbiology ; Lymphocytes/cytology/*immunology ; Male ; Mice ; Microbial Viability ; Peyer's Patches/immunology ; Symbiosis/*immunology ; Th17 Cells/immunology
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    Predicting climate-driven regime shifts versus rebound potential in coral reefs (2015)
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    Publication Date: 2015-01-22
    Description: Climate-induced coral bleaching is among the greatest current threats to coral reefs, causing widespread loss of live coral cover. Conditions under which reefs bounce back from bleaching events or shift from coral to algal dominance are unknown, making it difficult to predict and plan for differing reef responses under climate change. Here we document and predict long-term reef responses to a major climate-induced coral bleaching event that caused unprecedented region-wide mortality of Indo-Pacific corals. Following loss of 〉90% live coral cover, 12 of 21 reefs recovered towards pre-disturbance live coral states, while nine reefs underwent regime shifts to fleshy macroalgae. Functional diversity of associated reef fish communities shifted substantially following bleaching, returning towards pre-disturbance structure on recovering reefs, while becoming progressively altered on regime shifting reefs. We identified threshold values for a range of factors that accurately predicted ecosystem response to the bleaching event. Recovery was favoured when reefs were structurally complex and in deeper water, when density of juvenile corals and herbivorous fishes was relatively high and when nutrient loads were low. Whether reefs were inside no-take marine reserves had no bearing on ecosystem trajectory. Although conditions governing regime shift or recovery dynamics were diverse, pre-disturbance quantification of simple factors such as structural complexity and water depth accurately predicted ecosystem trajectories. These findings foreshadow the likely divergent but predictable outcomes for reef ecosystems in response to climate change, thus guiding improved management and adaptation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graham, Nicholas A J -- Jennings, Simon -- MacNeil, M Aaron -- Mouillot, David -- Wilson, Shaun K -- England -- Nature. 2015 Feb 5;518(7537):94-7. doi: 10.1038/nature14140. Epub 2015 Jan 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811 Australia. ; 1] Centre for Environment, Fisheries and Aquaculture Science, Pakefield Road, Lowestoft NR33 OHT, UK [2] School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, UK. ; 1] Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811 Australia [2] Australian Institute of Marine Science, PMB 3 Townsville MC, Townsville, Queensland 4810, Australia. ; 1] Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811 Australia [2] ECOSYM, UMR CNRS-UM2 5119, Universite Montpellier 2, 34095 Montpellier Cedex, France. ; 1] Department of Parks and Wildlife, Kensington, Perth, Western Australia 6151, Australia [2] School of Plant Biology, Oceans Institute, University of Western Australia, Crawley, Western Australia 6009, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25607371" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization ; Animals ; Anthozoa/*growth & development/*physiology ; Biodiversity ; *Climate Change ; *Coral Reefs ; *Ecosystem ; Fishes/physiology ; Indian Ocean ; Pacific Ocean ; Population Dynamics ; Seawater/analysis ; Seaweed/physiology ; Seychelles ; Symbiosis ; Tropical Climate
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    Climate science: The future of coastal ocean upwelling (2015)
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    Publication Date: 2015-02-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Lorenzo, Emanuele -- England -- Nature. 2015 Feb 19;518(7539):310-1. doi: 10.1038/518310a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia 30332-0340, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25693560" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate Change ; *Ecosystem ; *Water Movements
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    Lanosterol reverses protein aggregation in cataracts (2015)
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    Publication Date: 2015-07-23
    Description: The human lens is comprised largely of crystallin proteins assembled into a highly ordered, interactive macro-structure essential for lens transparency and refractive index. Any disruption of intra- or inter-protein interactions will alter this delicate structure, exposing hydrophobic surfaces, with consequent protein aggregation and cataract formation. Cataracts are the most common cause of blindness worldwide, affecting tens of millions of people, and currently the only treatment is surgical removal of cataractous lenses. The precise mechanisms by which lens proteins both prevent aggregation and maintain lens transparency are largely unknown. Lanosterol is an amphipathic molecule enriched in the lens. It is synthesized by lanosterol synthase (LSS) in a key cyclization reaction of a cholesterol synthesis pathway. Here we identify two distinct homozygous LSS missense mutations (W581R and G588S) in two families with extensive congenital cataracts. Both of these mutations affect highly conserved amino acid residues and impair key catalytic functions of LSS. Engineered expression of wild-type, but not mutant, LSS prevents intracellular protein aggregation of various cataract-causing mutant crystallins. Treatment by lanosterol, but not cholesterol, significantly decreased preformed protein aggregates both in vitro and in cell-transfection experiments. We further show that lanosterol treatment could reduce cataract severity and increase transparency in dissected rabbit cataractous lenses in vitro and cataract severity in vivo in dogs. Our study identifies lanosterol as a key molecule in the prevention of lens protein aggregation and points to a novel strategy for cataract prevention and treatment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Ling -- Chen, Xiang-Jun -- Zhu, Jie -- Xi, Yi-Bo -- Yang, Xu -- Hu, Li-Dan -- Ouyang, Hong -- Patel, Sherrina H -- Jin, Xin -- Lin, Danni -- Wu, Frances -- Flagg, Ken -- Cai, Huimin -- Li, Gen -- Cao, Guiqun -- Lin, Ying -- Chen, Daniel -- Wen, Cindy -- Chung, Christopher -- Wang, Yandong -- Qiu, Austin -- Yeh, Emily -- Wang, Wenqiu -- Hu, Xun -- Grob, Seanna -- Abagyan, Ruben -- Su, Zhiguang -- Tjondro, Harry Christianto -- Zhao, Xi-Juan -- Luo, Hongrong -- Hou, Rui -- Perry, J Jefferson P -- Gao, Weiwei -- Kozak, Igor -- Granet, David -- Li, Yingrui -- Sun, Xiaodong -- Wang, Jun -- Zhang, Liangfang -- Liu, Yizhi -- Yan, Yong-Bin -- Zhang, Kang -- England -- Nature. 2015 Jul 30;523(7562):607-11. doi: 10.1038/nature14650. Epub 2015 Jul 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China [2] State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China [3] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA. ; State Key Laboratory of Membrane Biology, School of Life Sciences, Tsinghua University, Beijing 100084, China. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] Department of Ophthalmology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China. ; BGI-Shenzhen, Shenzhen 518083, China. ; 1] State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China [2] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA. ; Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA. ; 1] Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China [2] Guangzhou KangRui Biological Pharmaceutical Technology Company, Guangzhou 510005, China. ; Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China. ; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] CapitalBio Genomics Co., Ltd., Dongguan 523808, China. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] Department of Ophthalmology, Shanghai First People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai 20080, China. ; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093, USA. ; Guangzhou KangRui Biological Pharmaceutical Technology Company, Guangzhou 510005, China. ; Department of Biochemistry, University of California Riverside, Riverside, California 92521, USA. ; 1] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [2] Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, USA. ; King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. ; Department of Ophthalmology, Shanghai First People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai 20080, China. ; Department of Ophthalmology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China. ; 1] Molecular Medicine Research Center, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China [2] State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China [3] Department of Ophthalmology and Biomaterials and Tissue Engineering Center, Institute for Engineering in Medicine, University of California San Diego, La Jolla, California 92093, USA [4] Department of Nanoengineering, University of California, San Diego, La Jolla, California 92093, USA [5] Veterans Administration Healthcare System, San Diego, California 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26200341" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amino Acid Sequence ; Amyloid/chemistry/drug effects/metabolism/ultrastructure ; Animals ; Base Sequence ; Cataract/congenital/*drug therapy/genetics/*metabolism/pathology ; Cell Line ; Child ; Crystallins/chemistry/genetics/metabolism/ultrastructure ; Dogs ; Female ; Humans ; Lanosterol/administration & dosage/*pharmacology/*therapeutic use ; Lens, Crystalline/drug effects/metabolism/pathology ; Male ; Models, Molecular ; Molecular Sequence Data ; Mutant Proteins/chemistry/genetics/metabolism/ultrastructure ; Pedigree ; Protein Aggregates/*drug effects ; Protein Aggregation, Pathological/*drug therapy/pathology
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    Axitinib effectively inhibits BCR-ABL1(T315I) with a distinct binding conformation (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-18
    Description: The BCR-ABL1 fusion gene is a driver oncogene in chronic myeloid leukaemia and 30-50% of cases of adult acute lymphoblastic leukaemia. Introduction of ABL1 kinase inhibitors (for example, imatinib) has markedly improved patient survival, but acquired drug resistance remains a challenge. Point mutations in the ABL1 kinase domain weaken inhibitor binding and represent the most common clinical resistance mechanism. The BCR-ABL1 kinase domain gatekeeper mutation Thr315Ile (T315I) confers resistance to all approved ABL1 inhibitors except ponatinib, which has toxicity limitations. Here we combine comprehensive drug sensitivity and resistance profiling of patient cells ex vivo with structural analysis to establish the VEGFR tyrosine kinase inhibitor axitinib as a selective and effective inhibitor for T315I-mutant BCR-ABL1-driven leukaemia. Axitinib potently inhibited BCR-ABL1(T315I), at both biochemical and cellular levels, by binding to the active form of ABL1(T315I) in a mutation-selective binding mode. These findings suggest that the T315I mutation shifts the conformational equilibrium of the kinase in favour of an active (DFG-in) A-loop conformation, which has more optimal binding interactions with axitinib. Treatment of a T315I chronic myeloid leukaemia patient with axitinib resulted in a rapid reduction of T315I-positive cells from bone marrow. Taken together, our findings demonstrate an unexpected opportunity to repurpose axitinib, an anti-angiogenic drug approved for renal cancer, as an inhibitor for ABL1 gatekeeper mutant drug-resistant leukaemia patients. This study shows that wild-type proteins do not always sample the conformations available to disease-relevant mutant proteins and that comprehensive drug testing of patient-derived cells can identify unpredictable, clinically significant drug-repositioning opportunities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pemovska, Tea -- Johnson, Eric -- Kontro, Mika -- Repasky, Gretchen A -- Chen, Jeffrey -- Wells, Peter -- Cronin, Ciaran N -- McTigue, Michele -- Kallioniemi, Olli -- Porkka, Kimmo -- Murray, Brion W -- Wennerberg, Krister -- England -- Nature. 2015 Mar 5;519(7541):102-5. doi: 10.1038/nature14119. Epub 2015 Feb 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular Medicine Finland (FIMM), University of Helsinki, 00290 Helsinki, Finland. ; La Jolla Laboratories, Pfizer Worldwide Research &Development, San Diego, California 92121, USA. ; Hematology Research Unit Helsinki, University of Helsinki, and Helsinki University Hospital Comprehensive Cancer Center, Department of Hematology, 00290 Helsinki, Finland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25686603" target="_blank"〉PubMed〈/a〉
    Keywords: Angiogenesis Inhibitors/chemistry/pharmacology/therapeutic use ; Cell Line ; Cell Proliferation/drug effects ; Crystallization ; Crystallography, X-Ray ; Drug Repositioning ; Drug Resistance, Neoplasm/genetics ; Drug Screening Assays, Antitumor ; Fusion Proteins, bcr-abl/*antagonists & inhibitors/*chemistry/genetics/metabolism ; Humans ; Imidazoles/*chemistry/*pharmacology/therapeutic use ; Indazoles/*chemistry/*pharmacology/therapeutic use ; Kidney Neoplasms/drug therapy ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy/genetics/metabolism ; Models, Molecular ; Molecular Conformation ; Phosphorylation/drug effects ; Protein Binding ; Protein Kinase Inhibitors/chemistry/pharmacology/therapeutic use ; Proto-Oncogene Proteins c-abl/antagonists & ; inhibitors/chemistry/genetics/metabolism ; Vascular Endothelial Growth Factor Receptor-2/antagonists & ; inhibitors/chemistry/metabolism
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Engineered CRISPR-Cas9 nucleases with altered PAM specificities (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-06-23
    Description: Although CRISPR-Cas9 nucleases are widely used for genome editing, the range of sequences that Cas9 can recognize is constrained by the need for a specific protospacer adjacent motif (PAM). As a result, it can often be difficult to target double-stranded breaks (DSBs) with the precision that is necessary for various genome-editing applications. The ability to engineer Cas9 derivatives with purposefully altered PAM specificities would address this limitation. Here we show that the commonly used Streptococcus pyogenes Cas9 (SpCas9) can be modified to recognize alternative PAM sequences using structural information, bacterial selection-based directed evolution, and combinatorial design. These altered PAM specificity variants enable robust editing of endogenous gene sites in zebrafish and human cells not currently targetable by wild-type SpCas9, and their genome-wide specificities are comparable to wild-type SpCas9 as judged by GUIDE-seq analysis. In addition, we identify and characterize another SpCas9 variant that exhibits improved specificity in human cells, possessing better discrimination against off-target sites with non-canonical NAG and NGA PAMs and/or mismatched spacers. We also find that two smaller-size Cas9 orthologues, Streptococcus thermophilus Cas9 (St1Cas9) and Staphylococcus aureus Cas9 (SaCas9), function efficiently in the bacterial selection systems and in human cells, suggesting that our engineering strategies could be extended to Cas9s from other species. Our findings provide broadly useful SpCas9 variants and, more importantly, establish the feasibility of engineering a wide range of Cas9s with altered and improved PAM specificities.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4540238/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4540238/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kleinstiver, Benjamin P -- Prew, Michelle S -- Tsai, Shengdar Q -- Topkar, Ved V -- Nguyen, Nhu T -- Zheng, Zongli -- Gonzales, Andrew P W -- Li, Zhuyun -- Peterson, Randall T -- Yeh, Jing-Ruey Joanna -- Aryee, Martin J -- Joung, J Keith -- DP1 GM105378/DP/NCCDPHP CDC HHS/ -- DP1 GM105378/GM/NIGMS NIH HHS/ -- R01 GM088040/GM/NIGMS NIH HHS/ -- R01 GM107427/GM/NIGMS NIH HHS/ -- England -- Nature. 2015 Jul 23;523(7561):481-5. doi: 10.1038/nature14592. Epub 2015 Jun 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Molecular Pathology Unit &Center for Cancer Research, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA [2] Center for Computational and Integrative Biology, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA [3] Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Molecular Pathology Unit &Center for Cancer Research, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA [2] Center for Computational and Integrative Biology, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA. ; 1] Molecular Pathology Unit &Center for Cancer Research, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA [2] Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA [3] Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm SE-171 77, Sweden. ; 1] Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA [2] Department of Systems Biology, Harvard Medical School, Boston, Massachusetts 02115, USA [3] Broad Institute, Cambridge, Massachusetts 02142, USA. ; Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA. ; 1] Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA [2] Department of Medicine, Harvard Medical School, Boston, Massachusetts 02115, USA. ; 1] Molecular Pathology Unit &Center for Cancer Research, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA [2] Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA [3] Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26098369" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution/genetics ; Animals ; CRISPR-Associated Proteins/*genetics/*metabolism ; CRISPR-Cas Systems ; Cell Line ; Clustered Regularly Interspaced Short Palindromic Repeats/*genetics ; Directed Molecular Evolution ; Genome/genetics ; Humans ; Mutation/genetics ; *Nucleotide Motifs ; Protein Engineering/*methods ; Staphylococcus aureus/enzymology ; Streptococcus pyogenes/*enzymology ; Streptococcus thermophilus/enzymology ; Substrate Specificity/genetics ; Zebrafish/embryology/genetics
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    Dynamic m(6)A mRNA methylation directs translational control of heat shock response (2015)
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    Publication Date: 2015-10-13
    Description: The most abundant mRNA post-transcriptional modification is N(6)-methyladenosine (m(6)A), which has broad roles in RNA biology. In mammalian cells, the asymmetric distribution of m(6)A along mRNAs results in relatively less methylation in the 5' untranslated region (5'UTR) compared to other regions. However, whether and how 5'UTR methylation is regulated is poorly understood. Despite the crucial role of the 5'UTR in translation initiation, very little is known about whether m(6)A modification influences mRNA translation. Here we show that in response to heat shock stress, certain adenosines within the 5'UTR of newly transcribed mRNAs are preferentially methylated. We find that the dynamic 5'UTR methylation is a result of stress-induced nuclear localization of YTHDF2, a well-characterized m(6)A 'reader'. Upon heat shock stress, the nuclear YTHDF2 preserves 5'UTR methylation of stress-induced transcripts by limiting the m(6)A 'eraser' FTO from demethylation. Remarkably, the increased 5'UTR methylation in the form of m(6)A promotes cap-independent translation initiation, providing a mechanism for selective mRNA translation under heat shock stress. Using Hsp70 mRNA as an example, we demonstrate that a single m(6)A modification site in the 5'UTR enables translation initiation independent of the 5' end N(7)-methylguanosine cap. The elucidation of the dynamic features of 5'UTR methylation and its critical role in cap-independent translation not only expands the breadth of physiological roles of m(6)A, but also uncovers a previously unappreciated translational control mechanism in heat shock response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Jun -- Wan, Ji -- Gao, Xiangwei -- Zhang, Xingqian -- Jaffrey, Samie R -- Qian, Shu-Bing -- DA037150/DA/NIDA NIH HHS/ -- DP2OD006449/OD/NIH HHS/ -- R01AG042400/AG/NIA NIH HHS/ -- England -- Nature. 2015 Oct 22;526(7574):591-4. doi: 10.1038/nature15377. Epub 2015 Oct 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA. ; Department of Pharmacology, Weill Cornell Medical College, Cornell University, New York City, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26458103" target="_blank"〉PubMed〈/a〉
    Keywords: 5' Untranslated Regions/genetics ; Adenosine/*analogs & derivatives/metabolism ; Animals ; Cell Line ; Cell Nucleus/metabolism ; Fibroblasts/cytology/metabolism ; *Gene Expression Regulation ; HSP70 Heat-Shock Proteins/genetics ; *Heat-Shock Response/genetics ; *Methylation ; Mice ; Mixed Function Oxygenases/antagonists & inhibitors/metabolism ; Oxo-Acid-Lyases/antagonists & inhibitors/metabolism ; *Peptide Chain Initiation, Translational ; RNA Caps/metabolism ; RNA, Messenger/genetics/*metabolism ; RNA-Binding Proteins/metabolism ; Transcription, Genetic/genetics
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    Theileria parasites secrete a prolyl isomerase to maintain host leukocyte transformation (2015)
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    Publication Date: 2015-01-28
    Description: Infectious agents develop intricate mechanisms to interact with host cell pathways and hijack their genetic and epigenetic machinery to change host cell phenotypic states. Among the Apicomplexa phylum of obligate intracellular parasites, which cause veterinary and human diseases, Theileria is the only genus that transforms its mammalian host cells. Theileria infection of bovine leukocytes induces proliferative and invasive phenotypes associated with activated signalling pathways, notably JNK and AP-1 (ref. 2). The transformed phenotypes are reversed by treatment with the theilericidal drug buparvaquone. We used comparative genomics to identify a homologue of the peptidyl-prolyl isomerase PIN1 in T. annulata (TaPIN1) that is secreted into the host cell and modulates oncogenic signalling pathways. Here we show that TaPIN1 is a bona fide prolyl isomerase and that it interacts with the host ubiquitin ligase FBW7, leading to its degradation and subsequent stabilization of c-JUN, which promotes transformation. We performed in vitro and in silico analysis and in vivo zebrafish xenograft experiments to demonstrate that TaPIN1 is directly inhibited by the anti-parasite drug buparvaquone (and other known PIN1 inhibitors) and is mutated in a drug-resistant strain. Prolyl isomerization is thus a conserved mechanism that is important in cancer and is used by Theileria parasites to manipulate host oncogenic signalling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4401560/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4401560/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marsolier, J -- Perichon, M -- DeBarry, J D -- Villoutreix, B O -- Chluba, J -- Lopez, T -- Garrido, C -- Zhou, X Z -- Lu, K P -- Fritsch, L -- Ait-Si-Ali, S -- Mhadhbi, M -- Medjkane, S -- Weitzman, J B -- 08-0111/Worldwide Cancer Research/United Kingdom -- R01 CA167677/CA/NCI NIH HHS/ -- R01CA167677/CA/NCI NIH HHS/ -- England -- Nature. 2015 Apr 16;520(7547):378-82. doi: 10.1038/nature14044. Epub 2015 Jan 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Paris Diderot, Sorbonne Paris Cite, Epigenetics and Cell Fate, UMR 7216 CNRS, 75013 Paris, France. ; Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia 30602, USA. ; Universite Paris Diderot, Sorbonne Paris Cite, Molecules Therapeutiques in silico, INSERM UMR-S 973, 75013 Paris, France. ; 1] INSERM, UMR 866, Equipe labellisee Ligue contre le Cancer and Laboratoire d'Excellence LipSTIC, 21000 Dijon, France [2] University of Burgundy, Faculty of Medicine and Pharmacy, 21000 Dijon, France. ; 1] INSERM, UMR 866, Equipe labellisee Ligue contre le Cancer and Laboratoire d'Excellence LipSTIC, 21000 Dijon, France [2] University of Burgundy, Faculty of Medicine and Pharmacy, 21000 Dijon, France [3] Centre anticancereux George Francois Leclerc, CGFL, 21000 Dijon, France. ; Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA. ; Laboratoire de Parasitologie, Ecole Nationale de Medecine Veterinaire, Universite de la Manouba, 2020 Sidi Thabet, Tunisia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25624101" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cattle ; Cell Line ; *Cell Transformation, Neoplastic/drug effects ; Drug Resistance/genetics ; *Host-Parasite Interactions ; Humans ; Leukocytes/drug effects/parasitology/*pathology ; Naphthoquinones/pharmacology ; Parasites/drug effects/enzymology/pathogenicity ; Peptidylprolyl Isomerase/antagonists & inhibitors/genetics/*metabolism/*secretion ; Protein Stability ; Proto-Oncogene Proteins c-jun/metabolism ; SKP Cullin F-Box Protein Ligases/metabolism ; Signal Transduction/drug effects ; Theileria/drug effects/*enzymology/genetics/*pathogenicity ; Transcription Factor AP-1/metabolism ; Ubiquitination ; Xenograft Model Antitumor Assays ; Zebrafish/embryology
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    Intrinsic retroviral reactivation in human preimplantation embryos and pluripotent cells (2015)
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    Publication Date: 2015-04-22
    Description: Endogenous retroviruses (ERVs) are remnants of ancient retroviral infections, and comprise nearly 8% of the human genome. The most recently acquired human ERV is HERVK(HML-2), which repeatedly infected the primate lineage both before and after the divergence of the human and chimpanzee common ancestor. Unlike most other human ERVs, HERVK retained multiple copies of intact open reading frames encoding retroviral proteins. However, HERVK is transcriptionally silenced by the host, with the exception of in certain pathological contexts such as germ-cell tumours, melanoma or human immunodeficiency virus (HIV) infection. Here we demonstrate that DNA hypomethylation at long terminal repeat elements representing the most recent genomic integrations, together with transactivation by OCT4 (also known as POU5F1), synergistically facilitate HERVK expression. Consequently, HERVK is transcribed during normal human embryogenesis, beginning with embryonic genome activation at the eight-cell stage, continuing through the emergence of epiblast cells in preimplantation blastocysts, and ceasing during human embryonic stem cell derivation from blastocyst outgrowths. Remarkably, we detected HERVK viral-like particles and Gag proteins in human blastocysts, indicating that early human development proceeds in the presence of retroviral products. We further show that overexpression of one such product, the HERVK accessory protein Rec, in a pluripotent cell line is sufficient to increase IFITM1 levels on the cell surface and inhibit viral infection, suggesting at least one mechanism through which HERVK can induce viral restriction pathways in early embryonic cells. Moreover, Rec directly binds a subset of cellular RNAs and modulates their ribosome occupancy, indicating that complex interactions between retroviral proteins and host factors can fine-tune pathways of early human development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4503379/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4503379/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grow, Edward J -- Flynn, Ryan A -- Chavez, Shawn L -- Bayless, Nicholas L -- Wossidlo, Mark -- Wesche, Daniel J -- Martin, Lance -- Ware, Carol B -- Blish, Catherine A -- Chang, Howard Y -- Pera, Renee A Reijo -- Wysocka, Joanna -- 1F30CA189514-01/CA/NCI NIH HHS/ -- 1S10RR02678001/RR/NCRR NIH HHS/ -- 1S10RR02933801/RR/NCRR NIH HHS/ -- DP2 AI112193/AI/NIAID NIH HHS/ -- DP2AI11219301/AI/NIAID NIH HHS/ -- F30 CA189514/CA/NCI NIH HHS/ -- P01GM099130/GM/NIGMS NIH HHS/ -- P50-HG007735/HG/NHGRI NIH HHS/ -- R01 GM112720/GM/NIGMS NIH HHS/ -- T32 HG000044/HG/NHGRI NIH HHS/ -- U01 HL100397/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Jun 11;522(7555):221-5. doi: 10.1038/nature14308. Epub 2015 Apr 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Stanford University School of Medicine, Stanford, California 94305, USA. ; Howard Hughes Medical Institute and Program in Epithelial Biology, Stanford University School of Medicine, Stanford, California 94305, USA. ; 1] Institute for Stem Cell Biology &Regenerative Medicine, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA [2] Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA [3] Division of Reproductive and Developmental Sciences, Oregon National Primate Research Center, Oregon Health &Science University, Beaverton, Oregon 97006, USA. ; Stanford Immunology, Stanford University School of Medicine, Stanford, California 94305, USA. ; 1] Department of Genetics, Stanford University School of Medicine, Stanford, California 94305, USA [2] Institute for Stem Cell Biology &Regenerative Medicine, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA [3] Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA. ; Institute for Stem Cell Biology &Regenerative Medicine, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA. ; Department of Comparative Medicine, University of Washington, Seattle, Washington 98195-8056, USA. ; Department of Medicine, Stanford University School of Medicine, Stanford, California 94305, USA. ; 1] Department of Genetics, Stanford University School of Medicine, Stanford, California 94305, USA [2] Institute for Stem Cell Biology &Regenerative Medicine, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA [3] Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA [4] Department of Cell Biology and Neurosciences, Montana State University, Bozeman, Montana 59717, USA. ; 1] Institute for Stem Cell Biology &Regenerative Medicine, Stanford University School of Medicine, Stanford University, Stanford, California 94305, USA [2] Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, California 94305, USA [3] Department of Developmental Biology, Stanford University School of Medicine, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25896322" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Differentiation/metabolism ; Blastocyst/cytology/metabolism/*virology ; Cell Line ; DNA Methylation ; Endogenous Retroviruses/genetics/*metabolism ; Female ; Gene Products, gag/metabolism ; Humans ; Male ; Octamer Transcription Factor-3/metabolism ; Open Reading Frames/genetics ; Pluripotent Stem Cells/cytology/metabolism/*virology ; RNA, Messenger/genetics/metabolism ; Ribosomes/genetics/metabolism ; Terminal Repeat Sequences/genetics ; Transcription, Genetic/genetics ; Transcriptional Activation ; Viral Envelope Proteins/genetics/metabolism ; *Virus Activation
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    Genetic modification of the diarrhoeal pathogen Cryptosporidium parvum (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-07-16
    Description: Recent studies into the global causes of severe diarrhoea in young children have identified the protozoan parasite Cryptosporidium as the second most important diarrhoeal pathogen after rotavirus. Diarrhoeal disease is estimated to be responsible for 10.5% of overall child mortality. Cryptosporidium is also an opportunistic pathogen in the contexts of human immunodeficiency virus (HIV)-caused AIDS and organ transplantation. There is no vaccine and only a single approved drug that provides no benefit for those in gravest danger: malnourished children and immunocompromised patients. Cryptosporidiosis drug and vaccine development is limited by the poor tractability of the parasite, which includes a lack of systems for continuous culture, facile animal models, and molecular genetic tools. Here we describe an experimental framework to genetically modify this important human pathogen. We established and optimized transfection of C. parvum sporozoites in tissue culture. To isolate stable transgenics we developed a mouse model that delivers sporozoites directly into the intestine, a Cryptosporidium clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 system, and in vivo selection for aminoglycoside resistance. We derived reporter parasites suitable for in vitro and in vivo drug screening, and we evaluated the basis of drug susceptibility by gene knockout. We anticipate that the ability to genetically engineer this parasite will be transformative for Cryptosporidium research. Genetic reporters will provide quantitative correlates for disease, cure and protection, and the role of parasite genes in these processes is now open to rigorous investigation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4640681/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4640681/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vinayak, Sumiti -- Pawlowic, Mattie C -- Sateriale, Adam -- Brooks, Carrie F -- Studstill, Caleb J -- Bar-Peled, Yael -- Cipriano, Michael J -- Striepen, Boris -- R01 AI112427/AI/NIAID NIH HHS/ -- R01AI112427/AI/NIAID NIH HHS/ -- T32 AI060546/AI/NIAID NIH HHS/ -- T32AI060546/AI/NIAID NIH HHS/ -- England -- Nature. 2015 Jul 23;523(7561):477-80. doi: 10.1038/nature14651. Epub 2015 Jul 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Tropical and Emerging Global Diseases, University of Georgia, Paul D. Coverdell Center, 500 D.W. Brooks Drive, Athens, Georgia 30602, USA. ; 1] Center for Tropical and Emerging Global Diseases, University of Georgia, Paul D. Coverdell Center, 500 D.W. Brooks Drive, Athens, Georgia 30602, USA [2] Department of Cellular Biology, University of Georgia, Paul D. Coverdell Center, 500 D.W. Brooks Drive, Athens, Georgia 30602, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26176919" target="_blank"〉PubMed〈/a〉
    Keywords: Aminoglycosides/pharmacology ; Animals ; Antimalarials/pharmacology ; CRISPR-Cas Systems ; Cell Line ; Cryptosporidiosis/complications/*parasitology ; Cryptosporidium parvum/enzymology/*genetics/growth & development ; Diarrhea/complications/*parasitology ; Drug Evaluation, Preclinical ; Drug Resistance ; Female ; Gene Deletion ; Gene Knockout Techniques ; Genes, Reporter ; Genetic Engineering/*methods ; Humans ; Intestines/parasitology ; Mice ; Models, Animal ; Sporozoites ; Thymidine Kinase/deficiency/genetics ; Transfection/methods ; Trimethoprim/pharmacology
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    Finland: target for ecosystem repair is impractical (2015)
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    Publication Date: 2015-03-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kotiaho, Janne S -- England -- Nature. 2015 Mar 5;519(7541):33. doi: 10.1038/519033a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Jyvaskyla, Finland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25739622" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Conservation of Natural Resources/*methods/*statistics & numerical data ; *Ecosystem ; Finland ; Forestry/methods/statistics & numerical data ; Forests
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    Mining disaster: Restore habitats now (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Massante, Jhonny Capichoni -- England -- Nature. 2015 Dec 3;528(7580):39. doi: 10.1038/528039c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Federal University Fluminense, Niteroi, Rio de Janeiro, Brazil.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26632581" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Cities ; *Disasters/prevention & control ; *Ecosystem ; Humans ; *Mining ; Rainforest ; Water Pollutants/*adverse effects ; Water Supply
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    Mammalian polymerase theta promotes alternative NHEJ and suppresses recombination (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-03
    Description: The alternative non-homologous end-joining (NHEJ) machinery facilitates several genomic rearrangements, some of which can lead to cellular transformation. This error-prone repair pathway is triggered upon telomere de-protection to promote the formation of deleterious chromosome end-to-end fusions. Using next-generation sequencing technology, here we show that repair by alternative NHEJ yields non-TTAGGG nucleotide insertions at fusion breakpoints of dysfunctional telomeres. Investigating the enzymatic activity responsible for the random insertions enabled us to identify polymerase theta (Poltheta; encoded by Polq in mice) as a crucial alternative NHEJ factor in mammalian cells. Polq inhibition suppresses alternative NHEJ at dysfunctional telomeres, and hinders chromosomal translocations at non-telomeric loci. In addition, we found that loss of Polq in mice results in increased rates of homology-directed repair, evident by recombination of dysfunctional telomeres and accumulation of RAD51 at double-stranded breaks. Lastly, we show that depletion of Poltheta has a synergistic effect on cell survival in the absence of BRCA genes, suggesting that the inhibition of this mutagenic polymerase represents a valid therapeutic avenue for tumours carrying mutations in homology-directed repair genes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4718306/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4718306/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mateos-Gomez, Pedro A -- Gong, Fade -- Nair, Nidhi -- Miller, Kyle M -- Lazzerini-Denchi, Eros -- Sfeir, Agnel -- AG038677/AG/NIA NIH HHS/ -- P30 CA016087/CA/NCI NIH HHS/ -- R01 AG038677/AG/NIA NIH HHS/ -- England -- Nature. 2015 Feb 12;518(7538):254-7. doi: 10.1038/nature14157. Epub 2015 Feb 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Skirball Institute of Biomolecular Medicine, Department of Cell Biology, NYU School of Medicine, New York, New York 10016, USA. ; Department of Molecular Biosciences, Institute for Cellular and Molecular Biology, University of Texas at Austin. 2506 Speedway Stop A5000, Austin, Texas 78712, USA. ; Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, California 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25642960" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Death/genetics ; Cell Line ; Chromosome Aberrations ; Chromosomes, Mammalian/genetics/*metabolism ; *DNA Breaks, Double-Stranded ; *DNA End-Joining Repair ; DNA-Directed DNA Polymerase/deficiency/*metabolism ; Genes, BRCA1 ; Genes, BRCA2 ; HeLa Cells ; Humans ; Mice ; Poly(ADP-ribose) Polymerases/genetics/metabolism ; Rad51 Recombinase/metabolism ; *Recombination, Genetic/genetics ; Recombinational DNA Repair/genetics ; Telomere/*genetics/*metabolism ; Translocation, Genetic/genetics
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    Doubtful pathways to cold tolerance in plants (2015)
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    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edwards, Erika J -- de Vos, Jurriaan M -- Donoghue, Michael J -- England -- Nature. 2015 May 21;521(7552):E5-6. doi: 10.1038/nature14393.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Brown University, 80 Waterman St, Box G-W, Providence, Rhodes Island 02912, USA. ; Department of Ecology and Evolutionary Biology, Yale University, PO Box 208105, New Haven, Connecticut 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25993970" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/*anatomy & histology/*physiology ; *Biological Evolution ; *Cold Climate ; *Ecosystem ; *Freezing ; Xylem/*anatomy & histology
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    Lineage correlations of single cell division time as a probe of cell-cycle dynamics (2015)
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    Publication Date: 2015-03-13
    Description: Stochastic processes in cells are associated with fluctuations in mRNA, protein production and degradation, noisy partition of cellular components at division, and other cell processes. Variability within a clonal population of cells originates from such stochastic processes, which may be amplified or reduced by deterministic factors. Cell-to-cell variability, such as that seen in the heterogeneous response of bacteria to antibiotics, or of cancer cells to treatment, is understood as the inevitable consequence of stochasticity. Variability in cell-cycle duration was observed long ago; however, its sources are still unknown. A central question is whether the variance of the observed distribution originates from stochastic processes, or whether it arises mostly from a deterministic process that only appears to be random. A surprising feature of cell-cycle-duration inheritance is that it seems to be lost within one generation but to be still present in the next generation, generating poor correlation between mother and daughter cells but high correlation between cousin cells. This observation suggests the existence of underlying deterministic factors that determine the main part of cell-to-cell variability. We developed an experimental system that precisely measures the cell-cycle duration of thousands of mammalian cells along several generations and a mathematical framework that allows discrimination between stochastic and deterministic processes in lineages of cells. We show that the inter- and intra-generation correlations reveal complex inheritance of the cell-cycle duration. Finally, we build a deterministic nonlinear toy model for cell-cycle inheritance that reproduces the main features of our data. Our approach constitutes a general method to identify deterministic variability in lineages of cells or organisms, which may help to predict and, eventually, reduce cell-to-cell heterogeneity in various systems, such as cancer cells under treatment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sandler, Oded -- Mizrahi, Sivan Pearl -- Weiss, Noga -- Agam, Oded -- Simon, Itamar -- Balaban, Nathalie Q -- England -- Nature. 2015 Mar 26;519(7544):468-71. doi: 10.1038/nature14318. Epub 2015 Mar 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Molecular Genetics, IMRIC, The Hebrew University Hadassah Medical School, Jerusalem 91120, Israel. ; 1] Department of Microbiology and Molecular Genetics, IMRIC, The Hebrew University Hadassah Medical School, Jerusalem 91120, Israel [2] Racah Institute of Physics, Edmond J. Safra Campus, The Hebrew University, Jerusalem 91904, Israel. ; Racah Institute of Physics, Edmond J. Safra Campus, The Hebrew University, Jerusalem 91904, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25762143" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/pharmacology ; Cell Cycle/drug effects/*genetics ; Cell Division/drug effects/genetics ; Cell Line ; *Cell Lineage ; Mammals ; Models, Biological ; Stochastic Processes ; Time Factors
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    Alternative 3' UTRs act as scaffolds to regulate membrane protein localization (2015)
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    Publication Date: 2015-04-22
    Description: About half of human genes use alternative cleavage and polyadenylation (ApA) to generate messenger RNA transcripts that differ in the length of their 3' untranslated regions (3' UTRs) while producing the same protein. Here we show in human cell lines that alternative 3' UTRs differentially regulate the localization of membrane proteins. The long 3' UTR of CD47 enables efficient cell surface expression of CD47 protein, whereas the short 3' UTR primarily localizes CD47 protein to the endoplasmic reticulum. CD47 protein localization occurs post-translationally and independently of RNA localization. In our model of 3' UTR-dependent protein localization, the long 3' UTR of CD47 acts as a scaffold to recruit a protein complex containing the RNA-binding protein HuR (also known as ELAVL1) and SET to the site of translation. This facilitates interaction of SET with the newly translated cytoplasmic domains of CD47 and results in subsequent translocation of CD47 to the plasma membrane via activated RAC1 (ref. 5). We also show that CD47 protein has different functions depending on whether it was generated by the short or long 3' UTR isoforms. Thus, ApA contributes to the functional diversity of the proteome without changing the amino acid sequence. 3' UTR-dependent protein localization has the potential to be a widespread trafficking mechanism for membrane proteins because HuR binds to thousands of mRNAs, and we show that the long 3' UTRs of CD44, ITGA1 and TNFRSF13C, which are bound by HuR, increase surface protein expression compared to their corresponding short 3' UTRs. We propose that during translation the scaffold function of 3' UTRs facilitates binding of proteins to nascent proteins to direct their transport or function--and this role of 3' UTRs can be regulated by ApA.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4697748/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4697748/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berkovits, Binyamin D -- Mayr, Christine -- DRR-24-13/Damon Runyon Cancer Research Foundation/ -- P30 CA008748/CA/NCI NIH HHS/ -- U01 CA164190/CA/NCI NIH HHS/ -- U01-CA164190/CA/NCI NIH HHS/ -- England -- Nature. 2015 Jun 18;522(7556):363-7. doi: 10.1038/nature14321. Epub 2015 Apr 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, 1275 York Ave, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25896326" target="_blank"〉PubMed〈/a〉
    Keywords: 3' Untranslated Regions/*genetics ; Antigens, CD47/*genetics/*metabolism ; Cell Line ; Cell Membrane/metabolism ; ELAV Proteins/metabolism ; ELAV-Like Protein 1 ; Endoplasmic Reticulum/metabolism ; Genes, Reporter ; Histone Chaperones/metabolism ; Humans ; Membrane Proteins/*metabolism ; Polyadenylation ; Protein Transport ; RNA Isoforms/*genetics/metabolism ; RNA, Messenger/chemistry/genetics/metabolism ; Transcription Factors/metabolism ; rac1 GTP-Binding Protein/metabolism
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    Ecology: Recovering the potential of coral reefs (2015)
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    Publication Date: 2015-04-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dulvy, Nicholas K -- Kindsvater, Holly K -- England -- Nature. 2015 Apr 16;520(7547):304-5. doi: 10.1038/nature14384. Epub 2015 Apr 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855291" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources/*methods/*trends ; *Coral Reefs ; *Ecosystem ; Fisheries/*methods/*statistics & numerical data ; Fishes/*physiology
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    Sustainable development goals: Monitor ecosystem services from space (2015)
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    Publication Date: 2015-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cord, Anna F -- Seppelt, Ralf -- Turner, Woody -- England -- Nature. 2015 Sep 3;525(7567):33. doi: 10.1038/525033a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Helmholtz Centre for Environmental Research (UFZ), Leipzig, Germany. ; NASA, Washington DC, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26333459" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Biofuels/supply & distribution ; Conservation of Natural Resources/*statistics & numerical data ; Ecology/*methods ; *Ecosystem ; Environmental Monitoring/instrumentation/*methods ; *Goals ; *Spacecraft ; United Nations
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    N6-methyladenosine marks primary microRNAs for processing (2015)
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    Publication Date: 2015-03-25
    Description: The first step in the biogenesis of microRNAs is the processing of primary microRNAs (pri-miRNAs) by the microprocessor complex, composed of the RNA-binding protein DGCR8 and the type III RNase DROSHA. This initial event requires recognition of the junction between the stem and the flanking single-stranded RNA of the pri-miRNA hairpin by DGCR8 followed by recruitment of DROSHA, which cleaves the RNA duplex to yield the pre-miRNA product. While the mechanisms underlying pri-miRNA processing have been determined, the mechanism by which DGCR8 recognizes and binds pri-miRNAs, as opposed to other secondary structures present in transcripts, is not understood. Here we find in mammalian cells that methyltransferase-like 3 (METTL3) methylates pri-miRNAs, marking them for recognition and processing by DGCR8. Consistent with this, METTL3 depletion reduced the binding of DGCR8 to pri-miRNAs and resulted in the global reduction of mature miRNAs and concomitant accumulation of unprocessed pri-miRNAs. In vitro processing reactions confirmed the sufficiency of the N(6)-methyladenosine (m(6)A) mark in promoting pri-miRNA processing. Finally, gain-of-function experiments revealed that METTL3 is sufficient to enhance miRNA maturation in a global and non-cell-type-specific manner. Our findings reveal that the m(6)A mark acts as a key post-transcriptional modification that promotes the initiation of miRNA biogenesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4475635/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4475635/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alarcon, Claudio R -- Lee, Hyeseung -- Goodarzi, Hani -- Halberg, Nils -- Tavazoie, Sohail F -- T32 CA009673/CA/NCI NIH HHS/ -- England -- Nature. 2015 Mar 26;519(7544):482-5. doi: 10.1038/nature14281. Epub 2015 Mar 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Systems Cancer Biology, Rockefeller University, 1230 York Avenue, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25799998" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine/*analogs & derivatives/metabolism ; Base Sequence ; Cell Line ; Gene Expression Regulation ; Humans ; Methylation ; Methyltransferases/deficiency/metabolism ; MicroRNAs/*chemistry/*metabolism ; Molecular Sequence Data ; Nucleic Acid Conformation ; *RNA Processing, Post-Transcriptional ; RNA-Binding Proteins/metabolism ; Substrate Specificity
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    Repeated ER-endosome contacts promote endosome translocation and neurite outgrowth (2015)
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    Publication Date: 2015-04-10
    Description: The main organelles of the secretory and endocytic pathways--the endoplasmic reticulum (ER) and endosomes, respectively--are connected through contact sites whose numbers increase as endosomes mature. One function of such sites is to enable dephosphorylation of the cytosolic tails of endosomal signalling receptors by an ER-associated phosphatase, whereas others serve to negatively control the association of endosomes with the minus-end-directed microtubule motor dynein or mediate endosome fission. Cholesterol transfer and Ca(2+) exchange have been proposed as additional functions of such sites. However, the compositions, activities and regulations of ER-endosome contact sites remain incompletely understood. Here we show in human and rat cell lines that protrudin, an ER protein that promotes protrusion and neurite outgrowth, forms contact sites with late endosomes (LEs) via coincident detection of the small GTPase RAB7 and phosphatidylinositol 3-phosphate (PtdIns(3)P). These contact sites mediate transfer of the microtubule motor kinesin 1 from protrudin to the motor adaptor FYCO1 on LEs. Repeated LE-ER contacts promote microtubule-dependent translocation of LEs to the cell periphery and subsequent synaptotagmin-VII-dependent fusion with the plasma membrane. Such fusion induces outgrowth of protrusions and neurites, which requires the abilities of protrudin and FYCO1 to interact with LEs and kinesin 1. Thus, protrudin-containing ER-LE contact sites are platforms for kinesin-1 loading onto LEs, and kinesin-1-mediated translocation of LEs to the plasma membrane, fuelled by repeated ER contacts, promotes protrusion and neurite outgrowth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raiborg, Camilla -- Wenzel, Eva M -- Pedersen, Nina M -- Olsvik, Hallvard -- Schink, Kay O -- Schultz, Sebastian W -- Vietri, Marina -- Nisi, Veronica -- Bucci, Cecilia -- Brech, Andreas -- Johansen, Terje -- Stenmark, Harald -- England -- Nature. 2015 Apr 9;520(7546):234-8. doi: 10.1038/nature14359.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Centre for Cancer Biomedicine, Faculty of Medicine, University of Oslo, Montebello, N-0379 Oslo, Norway [2] Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, N-0379 Oslo, Norway. ; Institute of Medical Biology, University of Tromso - The Arctic University of Norway, N-9037 Tromso, Norway. ; Department of Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Via Provinciale Monteroni 165, 73100 Lecce, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855459" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Biological Transport ; Cell Line ; Cell Membrane/metabolism ; DNA-Binding Proteins/metabolism ; Endoplasmic Reticulum/*metabolism ; Endosomes/*metabolism ; HeLa Cells ; Humans ; Kinesin/metabolism ; Microtubules/metabolism ; Neurites/*metabolism ; Phosphatidylinositol Phosphates/metabolism ; Rats ; Synaptotagmins/metabolism ; Transcription Factors/metabolism ; Vesicular Transport Proteins/metabolism ; rab GTP-Binding Proteins/metabolism
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    Transcriptional regulators form diverse groups with context-dependent regulatory functions (2015)
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    Publication Date: 2015-11-10
    Description: One of the most important questions in biology is how transcription factors (TFs) and cofactors control enhancer function and thus gene expression. Enhancer activation usually requires combinations of several TFs, indicating that TFs function synergistically and combinatorially. However, while TF binding has been extensively studied, little is known about how combinations of TFs and cofactors control enhancer function once they are bound. It is typically unclear which TFs participate in combinatorial enhancer activation, whether different TFs form functionally distinct groups, or if certain TFs might substitute for each other in defined enhancer contexts. Here we assess the potential regulatory contributions of TFs and cofactors to combinatorial enhancer control with enhancer complementation assays. We recruited GAL4-DNA-binding-domain fusions of 812 Drosophila TFs and cofactors to 24 enhancer contexts and measured enhancer activities by 82,752 luciferase assays in S2 cells. Most factors were functional in at least one context, yet their contributions differed between contexts and varied from repression to activation (up to 289-fold) for individual factors. Based on functional similarities across contexts, we define 15 groups of TFs that differ in developmental functions and protein sequence features. Similar TFs can substitute for each other, enabling enhancer re-engineering by exchanging TF motifs, and TF-cofactor pairs cooperate during enhancer control and interact physically. Overall, we show that activators and repressors can have diverse regulatory functions that typically depend on the enhancer context. The systematic functional characterization of TFs and cofactors should further our understanding of combinatorial enhancer control and gene regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stampfel, Gerald -- Kazmar, Tomas -- Frank, Olga -- Wienerroither, Sebastian -- Reiter, Franziska -- Stark, Alexander -- England -- Nature. 2015 Dec 3;528(7580):147-51. doi: 10.1038/nature15545. Epub 2015 Nov 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Institute of Molecular Pathology (IMP), Vienna Biocenter (VBC), Dr. Bohr-Gasse 7, 1030 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26550828" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Animals ; Cell Line ; DNA/genetics/metabolism ; Down-Regulation/genetics ; Drosophila melanogaster/genetics ; Enhancer Elements, Genetic/*genetics ; *Gene Expression Regulation/genetics ; Genes, Reporter/genetics ; Genetic Complementation Test ; Luciferases/genetics/metabolism ; Protein Binding ; Transcription Factors/*metabolism ; *Transcription, Genetic/genetics ; Up-Regulation/genetics
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    Mitochondrial DNA stress primes the antiviral innate immune response (2015)
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    Publication Date: 2015-02-03
    Description: Mitochondrial DNA (mtDNA) is normally present at thousands of copies per cell and is packaged into several hundred higher-order structures termed nucleoids. The abundant mtDNA-binding protein TFAM (transcription factor A, mitochondrial) regulates nucleoid architecture, abundance and segregation. Complete mtDNA depletion profoundly impairs oxidative phosphorylation, triggering calcium-dependent stress signalling and adaptive metabolic responses. However, the cellular responses to mtDNA instability, a physiologically relevant stress observed in many human diseases and ageing, remain poorly defined. Here we show that moderate mtDNA stress elicited by TFAM deficiency engages cytosolic antiviral signalling to enhance the expression of a subset of interferon-stimulated genes. Mechanistically, we find that aberrant mtDNA packaging promotes escape of mtDNA into the cytosol, where it engages the DNA sensor cGAS (also known as MB21D1) and promotes STING (also known as TMEM173)-IRF3-dependent signalling to elevate interferon-stimulated gene expression, potentiate type I interferon responses and confer broad viral resistance. Furthermore, we demonstrate that herpesviruses induce mtDNA stress, which enhances antiviral signalling and type I interferon responses during infection. Our results further demonstrate that mitochondria are central participants in innate immunity, identify mtDNA stress as a cell-intrinsic trigger of antiviral signalling and suggest that cellular monitoring of mtDNA homeostasis cooperates with canonical virus sensing mechanisms to fully engage antiviral innate immunity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4409480/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4409480/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉West, A Phillip -- Khoury-Hanold, William -- Staron, Matthew -- Tal, Michal C -- Pineda, Cristiana M -- Lang, Sabine M -- Bestwick, Megan -- Duguay, Brett A -- Raimundo, Nuno -- MacDuff, Donna A -- Kaech, Susan M -- Smiley, James R -- Means, Robert E -- Iwasaki, Akiko -- Shadel, Gerald S -- F31 AG039163/AG/NIA NIH HHS/ -- F32 DK091042/DK/NIDDK NIH HHS/ -- MOP37995/Canadian Institutes of Health Research/Canada -- P01 ES011163/ES/NIEHS NIH HHS/ -- R01 AG047632/AG/NIA NIH HHS/ -- R01 AI054359/AI/NIAID NIH HHS/ -- R01 AI081884/AI/NIAID NIH HHS/ -- T32 AI055403/AI/NIAID NIH HHS/ -- UL1 TR000142/TR/NCATS NIH HHS/ -- England -- Nature. 2015 Apr 23;520(7548):553-7. doi: 10.1038/nature14156. Epub 2015 Feb 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Yale School of Medicine, New Haven, Connecticut 06520, USA. ; Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut 06520, USA. ; Li Ka Shing Institute of Virology, Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta T6G 2S2, Canada. ; Department of Pathology and Immunology, Washington University School of Medicine, St Louis, Missouri 63110, USA. ; 1] Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut 06520, USA [2] Howard Hughes Medical Institute, Chevy Chase, Maryland 20815-6789, USA. ; 1] Department of Pathology, Yale School of Medicine, New Haven, Connecticut 06520, USA [2] Department of Genetics, Yale School of Medicine, New Haven, Connecticut 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25642965" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA, Mitochondrial/*metabolism ; DNA-Binding Proteins/deficiency/genetics/metabolism ; Female ; Gene Expression Regulation/genetics/immunology ; Herpesvirus 1, Human/*immunology ; High Mobility Group Proteins/deficiency/genetics/metabolism ; Humans ; Immunity, Innate/*immunology ; Interferon Regulatory Factor-3/metabolism ; Interferon Type I/immunology ; Membrane Proteins/metabolism ; Mice ; Nucleotidyltransferases/metabolism ; *Stress, Physiological
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    Microbiology: Taking the bad with the good (2015)
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    Publication Date: 2015-05-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bergstrom, Carl T -- Kerr, Benjamin -- England -- Nature. 2015 May 28;521(7553):431-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25992542" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/*biosynthesis/*metabolism ; *Ecosystem ; *Models, Biological ; *Soil Microbiology
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    Environment: Polluters migrate to China's poor areas (2015)
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    Publication Date: 2015-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miao, Xin -- Tang, Yanhong -- Wong, Christina W Y -- England -- Nature. 2015 Feb 26;518(7540):483. doi: 10.1038/518483d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harbin Institute of Technology, Harbin, China. ; Northeast Agricultural University, Harbin, China. ; The Hong Kong Polytechnic University, Kowloon, Hong Kong.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25719657" target="_blank"〉PubMed〈/a〉
    Keywords: China ; *Ecosystem ; Environmental Policy/economics/*legislation & jurisprudence ; Environmental Pollution/*analysis/economics/*legislation & ; jurisprudence/prevention & control ; Human Migration ; Industrial Waste/analysis/economics/legislation & jurisprudence ; Industry/*legislation & jurisprudence/trends ; *Poverty
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    STAP revisited (2015)
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    Publication Date: 2015-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Sep 24;525(7570):426. doi: 10.1038/525426a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26399791" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Cellular Reprogramming ; Embryonic Stem Cells/cytology/*metabolism ; Genotype ; Induced Pluripotent Stem Cells/cytology/*metabolism ; Peer Review, Research ; *Periodicals as Topic ; Reproducibility of Results ; Research/*standards ; *Retraction of Publication as Topic ; Sequence Analysis, DNA
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    Resensitizing daclatasvir-resistant hepatitis C variants by allosteric modulation of NS5A (2015)
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    Publication Date: 2015-11-05
    Description: It is estimated that more than 170 million people are infected with hepatitis C virus (HCV) worldwide. Clinical trials have demonstrated that, for the first time in human history, the potential exists to eradicate a chronic viral disease using combination therapies that contain only direct-acting antiviral agents. HCV non-structural protein 5A (NS5A) is a multifunctional protein required for several stages of the virus replication cycle. NS5A replication complex inhibitors, exemplified by daclatasvir (DCV; also known as BMS-790052 and Daklinza), belong to the most potent class of direct-acting anti-HCV agents described so far, with in vitro activity in the picomolar (pM) to low nanomolar (nM) range. The potency observed in vitro has translated into clinical efficacy, with HCV RNA declining by ~3-4 log10 in infected patients after administration of single oral doses of DCV. Understanding the exceptional potency of DCV was a key objective of this study. Here we show that although DCV and an NS5A inhibitor analogue (Syn-395) are inactive against certain NS5A resistance variants, combinations of the pair enhance DCV potency by 〉1,000-fold, restoring activity to the pM range. This synergistic effect was validated in vivo using an HCV-infected chimaeric mouse model. The cooperative interaction of a pair of compounds suggests that NS5A protein molecules communicate with each other: one inhibitor binds to resistant NS5A, causing a conformational change that is transmitted to adjacent NS5As, resensitizing resistant NS5A so that the second inhibitor can act to restore inhibition. This unprecedented synergistic anti-HCV activity also enhances the resistance barrier of DCV, providing additional options for HCV combination therapy and new insight into the role of NS5A in the HCV replication cycle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Jin-Hua -- O'Boyle, Donald R 2nd -- Fridell, Robert A -- Langley, David R -- Wang, Chunfu -- Roberts, Susan B -- Nower, Peter -- Johnson, Benjamin M -- Moulin, Frederic -- Nophsker, Michelle J -- Wang, Ying-Kai -- Liu, Mengping -- Rigat, Karen -- Tu, Yong -- Hewawasam, Piyasena -- Kadow, John -- Meanwell, Nicholas A -- Cockett, Mark -- Lemm, Julie A -- Kramer, Melissa -- Belema, Makonen -- Gao, Min -- England -- Nature. 2015 Nov 12;527(7577):245-8. doi: 10.1038/nature15711. Epub 2015 Nov 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Virology, Bristol-Myers Squibb Research and Development, 5 Research Parkway, Wallingford, Connecticut 06492, USA. ; Computer-Assisted Drug Design, Bristol-Myers Squibb Research and Development, 5 Research Parkway, Wallingford, Connecticut 06492, USA. ; Pharmaceutical Candidate Optimization, Bristol-Myers Squibb Research and Development, 5 Research Parkway, Wallingford, Connecticut 06492, USA. ; Leads Discovery and Optimization, Bristol-Myers Squibb Research and Development, 5 Research Parkway, Wallingford, Connecticut 06492, USA. ; Discovery Chemistry, Bristol-Myers Squibb Research and Development, 5 Research Parkway, Wallingford, Connecticut 06492, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26536115" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation/drug effects ; Animals ; Antiviral Agents/*pharmacology ; Biphenyl Compounds/*pharmacology ; Cell Line ; Drug Resistance, Viral/*drug effects ; Drug Synergism ; Drug Therapy, Combination ; Hepacivirus/*drug effects/*genetics/metabolism ; Hepatitis C/virology ; Hepatocytes/transplantation ; Humans ; Imidazoles/*pharmacology ; Mice ; Models, Molecular ; Protein Conformation/drug effects ; Protein Multimerization/drug effects ; Protein Structure, Quaternary/drug effects ; Reproducibility of Results ; Viral Nonstructural Proteins/chemistry/genetics/*metabolism ; Virus Replication/drug effects
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    Bacterial arms race revs up (2015)
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    Publication Date: 2015-05-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- England -- Nature. 2015 May 28;521(7553):402-3. doi: 10.1038/521402a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26017421" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anti-Bacterial Agents/pharmacology ; Antimicrobial Cationic Peptides/pharmacology/therapeutic use ; Bacteria/drug effects/virology ; Bacterial Infections/drug therapy/*microbiology/*therapy ; Bacteriophages/pathogenicity ; Bdellovibrio/physiology ; CRISPR-Cas Systems/genetics ; Cell Line ; Chemistry, Pharmaceutical/*trends ; Deltaproteobacteria/physiology ; Drug Resistance, Bacterial/drug effects ; Genes, Bacterial/genetics ; Metal Nanoparticles/therapeutic use ; Metals/pharmacology/therapeutic use
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    Genomic profiling of DNA methyltransferases reveals a role for DNMT3B in genic methylation (2015)
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    Publication Date: 2015-01-22
    Description: DNA methylation is an epigenetic modification associated with transcriptional repression of promoters and is essential for mammalian development. Establishment of DNA methylation is mediated by the de novo DNA methyltransferases DNMT3A and DNMT3B, whereas DNMT1 ensures maintenance of methylation through replication. Absence of these enzymes is lethal, and somatic mutations in these genes have been associated with several human diseases. How genomic DNA methylation patterns are regulated remains poorly understood, as the mechanisms that guide recruitment and activity of DNMTs in vivo are largely unknown. To gain insights into this matter we determined genomic binding and site-specific activity of the mammalian de novo DNA methyltransferases DNMT3A and DNMT3B. We show that both enzymes localize to methylated, CpG-dense regions in mouse stem cells, yet are excluded from active promoters and enhancers. By specifically measuring sites of de novo methylation, we observe that enzymatic activity reflects binding. De novo methylation increases with CpG density, yet is excluded from nucleosomes. Notably, we observed selective binding of DNMT3B to the bodies of transcribed genes, which leads to their preferential methylation. This targeting to transcribed sequences requires SETD2-mediated methylation of lysine 36 on histone H3 and a functional PWWP domain of DNMT3B. Together these findings reveal how sequence and chromatin cues guide de novo methyltransferase activity to ensure methylome integrity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baubec, Tuncay -- Colombo, Daniele F -- Wirbelauer, Christiane -- Schmidt, Juliane -- Burger, Lukas -- Krebs, Arnaud R -- Akalin, Altuna -- Schubeler, Dirk -- England -- Nature. 2015 Apr 9;520(7546):243-7. doi: 10.1038/nature14176. Epub 2015 Jan 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058 Basel, Switzerland. ; 1] Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058 Basel, Switzerland [2] Swiss Institute of Bioinformatics. Maulbeerstrasse 66, CH-4058 Basel, Switzerland. ; 1] Friedrich Miescher Institute for Biomedical Research, Maulbeerstrasse 66, CH-4058 Basel, Switzerland [2] University of Basel, Faculty of Sciences, Petersplatz 1, CH-4001 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25607372" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromatin/chemistry/genetics/metabolism ; CpG Islands/genetics ; DNA (Cytosine-5-)-Methyltransferase/chemistry/*metabolism ; DNA Methylation/*genetics ; Embryonic Stem Cells/enzymology/metabolism ; Enhancer Elements, Genetic/genetics ; Epigenesis, Genetic/*genetics ; Genome/*genetics ; Genomics ; Histone-Lysine N-Methyltransferase/deficiency/genetics/metabolism ; Histones/chemistry/metabolism ; Lysine/metabolism ; Mice ; Promoter Regions, Genetic/genetics ; Protein Binding ; Protein Structure, Tertiary ; Protein Transport ; Transcription, Genetic/genetics
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    Parched California (2015)
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    Publication Date: 2015-09-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2015 Sep 3;525(7567):5. doi: 10.1038/525005b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26333434" target="_blank"〉PubMed〈/a〉
    Keywords: Agricultural Irrigation/methods/trends ; Animals ; Birds ; California ; Droughts/*statistics & numerical data ; Ecology/methods/*trends ; *Ecosystem ; Fires ; Fishes ; Groundwater/analysis ; *Water Supply/analysis/statistics & numerical data ; Wetlands
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    eIF3 targets cell-proliferation messenger RNAs for translational activation or repression (2015)
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    Details
    Publication Date: 2015-04-08
    Description: Regulation of protein synthesis is fundamental for all aspects of eukaryotic biology by controlling development, homeostasis and stress responses. The 13-subunit, 800-kilodalton eukaryotic initiation factor 3 (eIF3) organizes initiation factor and ribosome interactions required for productive translation. However, current understanding of eIF3 function does not explain genetic evidence correlating eIF3 deregulation with tissue-specific cancers and developmental defects. Here we report the genome-wide discovery of human transcripts that interact with eIF3 using photoactivatable ribonucleoside-enhanced crosslinking and immunoprecipitation (PAR-CLIP). eIF3 binds to a highly specific program of messenger RNAs involved in cell growth control processes, including cell cycling, differentiation and apoptosis, via the mRNA 5' untranslated region. Surprisingly, functional analysis of the interaction between eIF3 and two mRNAs encoding the cell proliferation regulators c-JUN and BTG1 reveals that eIF3 uses different modes of RNA stem-loop binding to exert either translational activation or repression. Our findings illuminate a new role for eIF3 in governing a specialized repertoire of gene expression and suggest that binding of eIF3 to specific mRNAs could be targeted to control carcinogenesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4603833/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4603833/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Amy S Y -- Kranzusch, Philip J -- Cate, Jamie H D -- P50 GM102706/GM/NIGMS NIH HHS/ -- S10 RR027303/RR/NCRR NIH HHS/ -- S10 RR029668/RR/NCRR NIH HHS/ -- S10RR025622/RR/NCRR NIH HHS/ -- S10RR027303/RR/NCRR NIH HHS/ -- S10RR029668/RR/NCRR NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Jun 4;522(7554):111-4. doi: 10.1038/nature14267. Epub 2015 Apr 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Department of Molecular &Cell Biology, University of California, Berkeley, Berkeley, California 94720, USA [2] Center for RNA Systems Biology, University of California, Berkeley, Berkeley, California 94720, USA. ; 1] Department of Molecular &Cell Biology, University of California, Berkeley, Berkeley, California 94720, USA [2] Howard Hughes Medical Institute (HHMI), University of California, Berkeley, Berkeley, California 94720, USA. ; 1] Department of Molecular &Cell Biology, University of California, Berkeley, Berkeley, California 94720, USA [2] Center for RNA Systems Biology, University of California, Berkeley, Berkeley, California 94720, USA [3] Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, USA [4] Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25849773" target="_blank"〉PubMed〈/a〉
    Keywords: 5' Untranslated Regions/genetics ; Apoptosis ; Binding Sites ; Cell Differentiation ; Cell Line ; Cell Proliferation/genetics ; Cross-Linking Reagents ; *Down-Regulation ; Eukaryotic Initiation Factor-3/chemistry/*metabolism ; Humans ; Immunoprecipitation ; Neoplasm Proteins/metabolism ; Neoplasms/metabolism/pathology ; Organ Specificity ; *Peptide Chain Initiation, Translational ; Phenotype ; Proto-Oncogene Proteins c-jun/metabolism ; RNA, Messenger/*genetics/*metabolism ; Reproducibility of Results ; Ribonucleosides ; Ribosomes/metabolism ; Substrate Specificity ; Transcriptome
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    SLC38A9 is a component of the lysosomal amino acid sensing machinery that controls mTORC1 (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-01-07
    Description: Cell growth and proliferation are tightly linked to nutrient availability. The mechanistic target of rapamycin complex 1 (mTORC1) integrates the presence of growth factors, energy levels, glucose and amino acids to modulate metabolic status and cellular responses. mTORC1 is activated at the surface of lysosomes by the RAG GTPases and the Ragulator complex through a not fully understood mechanism monitoring amino acid availability in the lysosomal lumen and involving the vacuolar H(+)-ATPase. Here we describe the uncharacterized human member 9 of the solute carrier family 38 (SLC38A9) as a lysosomal membrane-resident protein competent in amino acid transport. Extensive functional proteomic analysis established SLC38A9 as an integral part of the Ragulator-RAG GTPases machinery. Gain of SLC38A9 function rendered cells resistant to amino acid withdrawal, whereas loss of SLC38A9 expression impaired amino-acid-induced mTORC1 activation. Thus SLC38A9 is a physical and functional component of the amino acid sensing machinery that controls the activation of mTOR.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376665/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4376665/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rebsamen, Manuele -- Pochini, Lorena -- Stasyk, Taras -- de Araujo, Mariana E G -- Galluccio, Michele -- Kandasamy, Richard K -- Snijder, Berend -- Fauster, Astrid -- Rudashevskaya, Elena L -- Bruckner, Manuela -- Scorzoni, Stefania -- Filipek, Przemyslaw A -- Huber, Kilian V M -- Bigenzahn, Johannes W -- Heinz, Leonhard X -- Kraft, Claudine -- Bennett, Keiryn L -- Indiveri, Cesare -- Huber, Lukas A -- Superti-Furga, Giulio -- P 26682/Austrian Science Fund FWF/Austria -- England -- Nature. 2015 Mar 26;519(7544):477-81. doi: 10.1038/nature14107. Epub 2015 Jan 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, 1090 Vienna, Austria. ; Department DiBEST (Biology, Ecology and Earth Sciences), University of Calabria, 87036 Arcavacata di Rende, Italy. ; Biocenter, Division of Cell Biology, Innsbruck Medical University, 6020 Innsbruck, Austria. ; Max F. Perutz Laboratories, University of Vienna, 1030 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25561175" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Transport Systems/*metabolism ; Amino Acids/*metabolism ; Animals ; Cell Line ; Humans ; Lysosomes/*metabolism ; Mice ; Monomeric GTP-Binding Proteins/metabolism ; Multiprotein Complexes/*metabolism ; Nucleotides/metabolism ; TOR Serine-Threonine Kinases/*metabolism
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Ecosystem services: Academies review insecticide harm (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-04-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Neumann, Peter -- England -- Nature. 2015 Apr 9;520(7546):157. doi: 10.1038/520157a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Bee Health, University of Bern, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25855445" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; Agriculture/methods ; Animals ; Bees/drug effects/physiology ; *Ecosystem ; Europe ; Insecticides/*adverse effects ; Pollination ; Receptors, Nicotinic/metabolism ; Risk Assessment
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Ecology. Mothers shape ecological communities (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dantzer, Ben -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):822-3. doi: 10.1126/science.aaa6480.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology and Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA. dantzer@umich.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700499" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Competitive Behavior ; *Ecosystem ; Female ; Male ; *Maternal Behavior ; Songbirds/*physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    ECOLOGY. NSF looks for new contractor to finish troubled observatory (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):1454. doi: 10.1126/science.350.6267.1454.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26680170" target="_blank"〉PubMed〈/a〉
    Keywords: Contract Services/*economics ; Ecology/*economics ; *Ecosystem ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    FUNGAL SYMBIONTS. Global assessment of arbuscular mycorrhizal fungus diversity reveals very low endemism (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-09-01
    Description: The global biogeography of microorganisms remains largely unknown, in contrast to the well-studied diversity patterns of macroorganisms. We used arbuscular mycorrhizal (AM) fungus DNA from 1014 plant-root samples collected worldwide to determine the global distribution of these plant symbionts. We found that AM fungal communities reflected local environmental conditions and the spatial distance between sites. However, despite AM fungi apparently possessing limited dispersal ability, we found 93% of taxa on multiple continents and 34% on all six continents surveyed. This contrasts with the high spatial turnover of other fungal taxa and with the endemism displayed by plants at the global scale. We suggest that the biogeography of AM fungi is driven by unexpectedly efficient dispersal, probably via both abiotic and biotic vectors, including humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davison, J -- Moora, M -- Opik, M -- Adholeya, A -- Ainsaar, L -- Ba, A -- Burla, S -- Diedhiou, A G -- Hiiesalu, I -- Jairus, T -- Johnson, N C -- Kane, A -- Koorem, K -- Kochar, M -- Ndiaye, C -- Partel, M -- Reier, U -- Saks, U -- Singh, R -- Vasar, M -- Zobel, M -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):970-3. doi: 10.1126/science.aab1161.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. ; Centre for Mycorrhizal Research, The Energy and Resources Institute (TERI), India Habitat Centre, Lodhi Road, New Delhi 110 003, India. ; Laboratoire des Symbioses Tropicales et Mediterraneennes, Unite Mixte de Recherche 113, Laboratoire de Biologie et Physiologie Vegetales, Faculte des Sciences Exactes et Naturelles, Universite des Antilles, BP 592, 97159, Pointe-a-Pitre, Guadeloupe (French West Indies). ; Laboratoire Commun de Microbiologie de l'Institut de Recherche pour le Developpement-Institut Senegalais de Recherches Agricoles-Universite Cheikh Anta Diop (UCAD), Departement de Biologie Vegetale, UCAD, BP 5005 Dakar, Senegal. ; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. Institute of Botany, Czech Academy of Sciences, Dukelska 135, 379 01 Trebon, Czech Republic. ; School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011-5694, USA. ; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. Netherlands Institute of Ecology, Droevendaalsesteeg 10, 6708 PB Wageningen, Netherlands. ; TERI-Deakin Nano Biotechnology Centre, Biotechnology and Management of Bioresources Division, TERI, India Habitat Centre, Lodhi Road, New Delhi 110 003, India.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315436" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; DNA, Fungal/analysis ; *Ecosystem ; Environment ; Humans ; *Mycorrhizae/genetics/isolation & purification/physiology ; Phylogeny ; Phylogeography ; Plant Roots/*microbiology ; *Symbiosis ; Water ; Wind
    Print ISSN: 0036-8075
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    Ecological feedbacks. Termite mounds can increase the robustness of dryland ecosystems to climatic change (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-02-07
    Description: Self-organized spatial vegetation patterning is widespread and has been described using models of scale-dependent feedback between plants and water on homogeneous substrates. As rainfall decreases, these models yield a characteristic sequence of patterns with increasingly sparse vegetation, followed by sudden collapse to desert. Thus, the final, spot-like pattern may provide early warning for such catastrophic shifts. In many arid ecosystems, however, termite nests impart substrate heterogeneity by altering soil properties, thereby enhancing plant growth. We show that termite-induced heterogeneity interacts with scale-dependent feedbacks to produce vegetation patterns at different spatial grains. Although the coarse-grained patterning resembles that created by scale-dependent feedback alone, it does not indicate imminent desertification. Rather, mound-field landscapes are more robust to aridity, suggesting that termites may help stabilize ecosystems under global change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonachela, Juan A -- Pringle, Robert M -- Sheffer, Efrat -- Coverdale, Tyler C -- Guyton, Jennifer A -- Caylor, Kelly K -- Levin, Simon A -- Tarnita, Corina E -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):651-5. doi: 10.1126/science.1261487.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. ; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. Mpala Research Centre, Post Office Box 555, Nanyuki, Kenya. ; Mpala Research Centre, Post Office Box 555, Nanyuki, Kenya. Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA. ; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. Mpala Research Centre, Post Office Box 555, Nanyuki, Kenya. ctarnita@princeton.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657247" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate Change ; Conservation of Natural Resources ; *Desert Climate ; *Ecosystem ; Feedback ; Isoptera/*physiology ; Models, Biological ; *Plant Development ; *Rain ; Soil ; *Water
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    Paleoanthropology. Late Pliocene fossiliferous sedimentary record and the environmental context of early Homo from Afar, Ethiopia (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-03-06
    Description: Sedimentary basins in eastern Africa preserve a record of continental rifting and contain important fossil assemblages for interpreting hominin evolution. However, the record of hominin evolution between 3 and 2.5 million years ago (Ma) is poorly documented in surface outcrops, particularly in Afar, Ethiopia. Here we present the discovery of a 2.84- to 2.58-million-year-old fossil and hominin-bearing sediments in the Ledi-Geraru research area of Afar, Ethiopia, that have produced the earliest record of the genus Homo. Vertebrate fossils record a faunal turnover indicative of more open and probably arid habitats than those reconstructed earlier in this region, which is in broad agreement with hypotheses addressing the role of environmental forcing in hominin evolution at this time. Geological analyses constrain depositional and structural models of Afar and date the LD 350-1 Homo mandible to 2.80 to 2.75 Ma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DiMaggio, Erin N -- Campisano, Christopher J -- Rowan, John -- Dupont-Nivet, Guillaume -- Deino, Alan L -- Bibi, Faysal -- Lewis, Margaret E -- Souron, Antoine -- Garello, Dominique -- Werdelin, Lars -- Reed, Kaye E -- Arrowsmith, J Ramon -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1355-9. doi: 10.1126/science.aaa1415. Epub 2015 Mar 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA. dimaggio@psu.edu kreed@asu.edu. ; Institute of Human Origins, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. ; CNRS Geosciences Rennes, Campus de Beaulieu, 35042 Rennes, France. ; Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, USA. ; Museum fur Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115 Berlin, Germany. ; Biology Program, Stockton University, 101 Vera King Farris Drive, Galloway, NJ 08205, USA. ; Human Evolution Research Center, University of California, Berkeley, 3101 Valley Life Sciences Building, Berkeley, CA, 94720-3160, USA. ; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA. ; Swedish Museum of Natural History, Department of Palaeobiology, Box 50007, SE-10405 Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25739409" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Ecosystem ; Ethiopia ; Fossils ; *Geologic Sediments ; *Hominidae
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    Evolutionary ecology. Cycles of species replacement emerge from locally induced maternal effects on offspring behavior in a passerine bird (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-02-24
    Description: An important question in ecology is how mechanistic processes occurring among individuals drive large-scale patterns of community formation and change. Here we show that in two species of bluebirds, cycles of replacement of one by the other emerge as an indirect consequence of maternal influence on offspring behavior in response to local resource availability. Sampling across broad temporal and spatial scales, we found that western bluebirds, the more competitive species, bias the birth order of offspring by sex in a way that influences offspring aggression and dispersal, setting the stage for rapid increases in population density that ultimately result in the replacement of their sister species. Our results provide insight into how predictable community dynamics can occur despite the contingency of local behavioral interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duckworth, Renee A -- Belloni, Virginia -- Anderson, Samantha R -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):875-7. doi: 10.1126/science.1260154.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. rad3@email.arizona.edu. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. Department of Tropical Medicine, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA 70112, USA. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700519" target="_blank"〉PubMed〈/a〉
    Keywords: Androgens/analysis ; Animals ; *Biological Evolution ; Clutch Size ; *Competitive Behavior ; *Ecosystem ; Egg Yolk/chemistry ; Female ; Fires ; Male ; *Maternal Behavior ; Population Density ; Songbirds/*physiology ; United States
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    Linked canopy, climate, and faunal change in the Cenozoic of Patagonia (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-01-17
    Description: Vegetation structure is a key determinant of ecosystems and ecosystem function, but paleoecological techniques to quantify it are lacking. We present a method for reconstructing leaf area index (LAI) based on light-dependent morphology of leaf epidermal cells and phytoliths derived from them. Using this proxy, we reconstruct LAI for the Cenozoic (49 million to 11 million years ago) of middle-latitude Patagonia. Our record shows that dense forests opened up by the late Eocene; open forests and shrubland habitats then fluctuated, with a brief middle-Miocene regreening period. Furthermore, endemic herbivorous mammals show accelerated tooth crown height evolution during open, yet relatively grass-free, shrubland habitat intervals. Our Patagonian LAI record provides a high-resolution, sensitive tool with which to dissect terrestrial ecosystem response to changing Southern Ocean conditions during the Cenozoic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dunn, Regan E -- Stromberg, Caroline A E -- Madden, Richard H -- Kohn, Matthew J -- Carlini, Alfredo A -- New York, N.Y. -- Science. 2015 Jan 16;347(6219):258-61. doi: 10.1126/science.1260947.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and Burke Museum of Natural History and Culture, University of Washington, Seattle, WA 98195, USA. dunnr@u.washington.edu. ; Department of Biology and Burke Museum of Natural History and Culture, University of Washington, Seattle, WA 98195, USA. ; Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA. ; Department of Geosciences, Boise State University, Boise, ID 83725, USA. ; Paleontologia de Vertebrados, Universidad Nacional de La Plata, Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), La Plata, Argentina.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25593182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Cell Shape ; Cell Size ; *Climate Change ; Costa Rica ; *Ecosystem ; *Forests ; Fossils ; Grassland ; Mammals/anatomy & histology ; Plant Epidermis/cytology ; *Plant Leaves/anatomy & histology ; *Plants ; South America ; Time ; Tooth Crown/anatomy & histology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Proteomics. Tissue-based map of the human proteome (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-01-24
    Description: Resolving the molecular details of proteome variation in the different tissues and organs of the human body will greatly increase our knowledge of human biology and disease. Here, we present a map of the human tissue proteome based on an integrated omics approach that involves quantitative transcriptomics at the tissue and organ level, combined with tissue microarray-based immunohistochemistry, to achieve spatial localization of proteins down to the single-cell level. Our tissue-based analysis detected more than 90% of the putative protein-coding genes. We used this approach to explore the human secretome, the membrane proteome, the druggable proteome, the cancer proteome, and the metabolic functions in 32 different tissues and organs. All the data are integrated in an interactive Web-based database that allows exploration of individual proteins, as well as navigation of global expression patterns, in all major tissues and organs in the human body.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Uhlen, Mathias -- Fagerberg, Linn -- Hallstrom, Bjorn M -- Lindskog, Cecilia -- Oksvold, Per -- Mardinoglu, Adil -- Sivertsson, Asa -- Kampf, Caroline -- Sjostedt, Evelina -- Asplund, Anna -- Olsson, IngMarie -- Edlund, Karolina -- Lundberg, Emma -- Navani, Sanjay -- Szigyarto, Cristina Al-Khalili -- Odeberg, Jacob -- Djureinovic, Dijana -- Takanen, Jenny Ottosson -- Hober, Sophia -- Alm, Tove -- Edqvist, Per-Henrik -- Berling, Holger -- Tegel, Hanna -- Mulder, Jan -- Rockberg, Johan -- Nilsson, Peter -- Schwenk, Jochen M -- Hamsten, Marica -- von Feilitzen, Kalle -- Forsberg, Mattias -- Persson, Lukas -- Johansson, Fredric -- Zwahlen, Martin -- von Heijne, Gunnar -- Nielsen, Jens -- Ponten, Fredrik -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):1260419. doi: 10.1126/science.1260419.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Science for Life Laboratory, KTH-Royal Institute of Technology, SE-171 21 Stockholm, Sweden. Department of Proteomics, KTH-Royal Institute of Technology, SE-106 91 Stockholm, Sweden. Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2970 Horsholm, Denmark. mathias.uhlen@scilifelab.se. ; Science for Life Laboratory, KTH-Royal Institute of Technology, SE-171 21 Stockholm, Sweden. ; Science for Life Laboratory, KTH-Royal Institute of Technology, SE-171 21 Stockholm, Sweden. Department of Proteomics, KTH-Royal Institute of Technology, SE-106 91 Stockholm, Sweden. ; Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, SE-751 85 Uppsala, Sweden. ; Department of Chemical and Biological Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden. ; Science for Life Laboratory, KTH-Royal Institute of Technology, SE-171 21 Stockholm, Sweden. Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, SE-751 85 Uppsala, Sweden. ; Leibniz Research Centre for Working Environment and Human Factors (IfADo) at Dortmund TU, D-44139 Dortmund, Germany. ; Lab Surgpath, Mumbai, India. ; Department of Proteomics, KTH-Royal Institute of Technology, SE-106 91 Stockholm, Sweden. ; Science for Life Laboratory, Department of Neuroscience, Karolinska Institute, SE-171 77 Stockholm, Sweden. ; Center for Biomembrane Research, Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden. ; Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2970 Horsholm, Denmark. Department of Chemical and Biological Engineering, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25613900" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Cell Line ; *Databases, Protein ; Female ; Genes ; Genetic Code ; Humans ; Internet ; Male ; Membrane Proteins/genetics/metabolism ; Mitochondrial Proteins/genetics/metabolism ; Neoplasms/genetics/metabolism ; Protein Array Analysis ; Protein Isoforms/genetics/metabolism ; Proteome/genetics/*metabolism ; Tissue Distribution ; Transcription, Genetic
    Print ISSN: 0036-8075
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    ACTIN-DIRECTED TOXIN. ACD toxin-produced actin oligomers poison formin-controlled actin polymerization (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-08-01
    Description: The actin cross-linking domain (ACD) is an actin-specific toxin produced by several pathogens, including life-threatening spp. of Vibrio cholerae, Vibrio vulnificus, and Aeromonas hydrophila. Actin cross-linking by ACD is thought to lead to slow cytoskeleton failure owing to a gradual sequestration of actin in the form of nonfunctional oligomers. Here, we found that ACD converted cytoplasmic actin into highly toxic oligomers that potently "poisoned" the ability of major actin assembly proteins, formins, to sustain actin polymerization. Thus, ACD can target the most abundant cellular protein by using actin oligomers as secondary toxins to efficiently subvert cellular functions of actin while functioning at very low doses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4648357/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4648357/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heisler, David B -- Kudryashova, Elena -- Grinevich, Dmitry O -- Suarez, Cristian -- Winkelman, Jonathan D -- Birukov, Konstantin G -- Kotha, Sainath R -- Parinandi, Narasimham L -- Vavylonis, Dimitrios -- Kovar, David R -- Kudryashov, Dmitri S -- R01 GM079265/GM/NIGMS NIH HHS/ -- R01 GM098430/GM/NIGMS NIH HHS/ -- R01 GM114666/GM/NIGMS NIH HHS/ -- R01 HL076259/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):535-9. doi: 10.1126/science.aab4090.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. The Ohio State Biochemistry Program, The Ohio State University, Columbus, OH 43210, USA. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. kudryashov.1@osu.edu kudryashova.1@osu.edu. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. ; Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA. ; Section of Pulmonary and Critical Care and Lung Injury Center, Department of Medicine, The University of Chicago, Chicago, IL 60637, USA. ; Lipid Signaling and Lipidomics Laboratory, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, Dorothy M. Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, OH 43210, USA. ; Department of Physics, Lehigh University, Bethlehem, PA 18015, USA. ; Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA. Department of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL 60637, USA. ; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA. The Ohio State Biochemistry Program, The Ohio State University, Columbus, OH 43210, USA. kudryashov.1@osu.edu kudryashova.1@osu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228148" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*metabolism ; Animals ; Antigens, Bacterial/*chemistry/genetics/*toxicity ; Bacterial Toxins/*chemistry/genetics/*toxicity ; Cell Line ; Fetal Proteins/*antagonists & inhibitors ; Intestinal Mucosa/drug effects/metabolism ; Microfilament Proteins/*antagonists & inhibitors ; Nuclear Proteins/*antagonists & inhibitors ; Polymerization/drug effects ; Protein Structure, Tertiary ; Rats
    Print ISSN: 0036-8075
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    Ocean plankton. Patterns and ecological drivers of ocean viral communities (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-05-23
    Description: Viruses influence ecosystems by modulating microbial population size, diversity, metabolic outputs, and gene flow. Here, we use quantitative double-stranded DNA (dsDNA) viral-fraction metagenomes (viromes) and whole viral community morphological data sets from 43 Tara Oceans expedition samples to assess viral community patterns and structure in the upper ocean. Protein cluster cataloging defined pelagic upper-ocean viral community pan and core gene sets and suggested that this sequence space is well-sampled. Analyses of viral protein clusters, populations, and morphology revealed biogeographic patterns whereby viral communities were passively transported on oceanic currents and locally structured by environmental conditions that affect host community structure. Together, these investigations establish a global ocean dsDNA viromic data set with analyses supporting the seed-bank hypothesis to explain how oceanic viral communities maintain high local diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brum, Jennifer R -- Ignacio-Espinoza, J Cesar -- Roux, Simon -- Doulcier, Guilhem -- Acinas, Silvia G -- Alberti, Adriana -- Chaffron, Samuel -- Cruaud, Corinne -- de Vargas, Colomban -- Gasol, Josep M -- Gorsky, Gabriel -- Gregory, Ann C -- Guidi, Lionel -- Hingamp, Pascal -- Iudicone, Daniele -- Not, Fabrice -- Ogata, Hiroyuki -- Pesant, Stephane -- Poulos, Bonnie T -- Schwenck, Sarah M -- Speich, Sabrina -- Dimier, Celine -- Kandels-Lewis, Stefanie -- Picheral, Marc -- Searson, Sarah -- Tara Oceans Coordinators -- Bork, Peer -- Bowler, Chris -- Sunagawa, Shinichi -- Wincker, Patrick -- Karsenti, Eric -- Sullivan, Matthew B -- New York, N.Y. -- Science. 2015 May 22;348(6237):1261498. doi: 10.1126/science.1261498.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. ; Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ 85721, USA. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. Environmental and Evolutionary Genomics Section, Institut de Biologie de l'Ecole Normale Superieure (IBENS), CNRS, UMR8197, INSERM U1024, 75230 Paris, France. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta 37-49, Barcelona, E08003, Spain. ; Genoscope, Commissariat a l'Energie Atomique (CEA)-Institut de Genomique, 2 rue Gaston Cremieux, 91057 Evry, France. ; Department of Microbiology and Immunology, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium. Center for the Biology of Disease, VIB KU Leuven, Herestraat 49, 3000 Leuven, Belgium. Department of Applied Biological Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium. ; CNRS, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Sorbonne Universites, Universite Pierre et Marie Curie, Universite Paris 06, and UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. ; CNRS, UMR 7093, Laboratoire d'oceanographie de Villefranche (LOV), Observatoire Oceanologique, 06230 Villefranche-sur-mer, France. Sorbonne Universites, Uiversite Pierre et Marie Curie, Universite Paris 06, UMR 7093, Laboratoire d'oceanographie de Villefranche (LOV), Observatoire Oceanologique, 06230 Villefranche-sur-mer, France. ; Soil, Water, and Environmental Science, University of Arizona, Tucson, AZ 85721, USA. ; Aix Marseille Universite, CNRS IGS UMR 7256, 13288 Marseille, France. ; Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy. ; Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0001, Japan. ; PANGAEA, Data Publisher for Earth and Environmental Science, University of Bremen, 28359 Bremen, Germany. MARUM, Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany. ; Laboratoire de Physique des Oceans, Institut Universitaire Europeen de la Mer, Universite de Bretagne Occidentale (UBO-IUEM), Place Copernic, 29820 Plouzane, France. ; CNRS, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Sorbonne Universites, Universite Pierre et Marie Curie, Universite Paris 06, and UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Institut de Biologie de l'Ecole Normale Superieure (IBENS), and INSERM U1024, and CNRS UMR 8197, Paris, 75005, France. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. Directors' Research, European Molecular Biology Laboratory Meyerhofstrasse 1, 69117 Heidelberg, Germany. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. Max-Delbruck-Centre for Molecular Medicine, 13092 Berlin, Germany. ; Institut de Biologie de l'Ecole Normale Superieure (IBENS), and INSERM U1024, and CNRS UMR 8197, Paris, 75005, France. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. ; Genoscope, Commissariat a l'Energie Atomique (CEA)-Institut de Genomique, 2 rue Gaston Cremieux, 91057 Evry, France. CNRS, UMR 8030, CP5706, 91057 Evry, France. Universite d'Evry, UMR 8030, CP5706, 91057 Evry, France. ; Institut de Biologie de l'Ecole Normale Superieure (IBENS), and INSERM U1024, and CNRS UMR 8197, Paris, 75005, France. Directors' Research, European Molecular Biology Laboratory Meyerhofstrasse 1, 69117 Heidelberg, Germany. mbsulli@gmail.com karsenti@embl.de. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA. Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ 85721, USA. Soil, Water, and Environmental Science, University of Arizona, Tucson, AZ 85721, USA. mbsulli@gmail.com karsenti@embl.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999515" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; DNA, Viral/genetics ; Ecological and Environmental Processes ; *Ecosystem ; Metagenome/genetics ; Microbiota/genetics ; Oceans and Seas ; Plankton/*classification/genetics ; Seawater/*virology ; Viral Proteins/genetics ; Viruses/*classification/genetics
    Print ISSN: 0036-8075
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    Environment and Development. Get the science right when paying for nature's services (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Naeem, S -- Ingram, J C -- Varga, A -- Agardy, T -- Barten, P -- Bennett, G -- Bloomgarden, E -- Bremer, L L -- Burkill, P -- Cattau, M -- Ching, C -- Colby, M -- Cook, D C -- Costanza, R -- DeClerck, F -- Freund, C -- Gartner, T -- Goldman-Benner, R -- Gunderson, J -- Jarrett, D -- Kinzig, A P -- Kiss, A -- Koontz, A -- Kumar, P -- Lasky, J R -- Masozera, M -- Meyers, D -- Milano, F -- Naughton-Treves, L -- Nichols, E -- Olander, L -- Olmsted, P -- Perge, E -- Perrings, C -- Polasky, S -- Potent, J -- Prager, C -- Quetier, F -- Redford, K -- Saterson, K -- Thoumi, G -- Vargas, M T -- Vickerman, S -- Weisser, W -- Wilkie, D -- Wunder, S -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1206-7. doi: 10.1126/science.aaa1403. Epub 2015 Mar 12.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766222" target="_blank"〉PubMed〈/a〉
    Keywords: *Conservation of Natural Resources/economics ; *Ecosystem ; *Environment ; Guidelines as Topic ; Policy
    Print ISSN: 0036-8075
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    ENTREPRENEURSHIP. Accelerators and ecosystems (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hochberg, Yael V -- Fehder, Daniel C -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1202-3. doi: 10.1126/science.aab3351.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rice University, Houston, TX 77251, USA. Massachusetts Institute of Technology, Cambridge, MA 02139, USA. National Bureau of Economic Research, Cambridge, MA 02138, USA. hochberg@rice.edu. ; Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068829" target="_blank"〉PubMed〈/a〉
    Keywords: *Ecosystem ; *Entrepreneurship ; Software
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    ADVANCED IMAGING. Extended-resolution structured illumination imaging of endocytic and cytoskeletal dynamics (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-09-01
    Description: Super-resolution fluorescence microscopy is distinct among nanoscale imaging tools in its ability to image protein dynamics in living cells. Structured illumination microscopy (SIM) stands out in this regard because of its high speed and low illumination intensities, but typically offers only a twofold resolution gain. We extended the resolution of live-cell SIM through two approaches: ultrahigh numerical aperture SIM at 84-nanometer lateral resolution for more than 100 multicolor frames, and nonlinear SIM with patterned activation at 45- to 62-nanometer resolution for approximately 20 to 40 frames. We applied these approaches to image dynamics near the plasma membrane of spatially resolved assemblies of clathrin and caveolin, Rab5a in early endosomes, and alpha-actinin, often in relationship to cortical actin. In addition, we examined mitochondria, actin, and the Golgi apparatus dynamics in three dimensions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4659358/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4659358/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Dong -- Shao, Lin -- Chen, Bi-Chang -- Zhang, Xi -- Zhang, Mingshu -- Moses, Brian -- Milkie, Daniel E -- Beach, Jordan R -- Hammer, John A 3rd -- Pasham, Mithun -- Kirchhausen, Tomas -- Baird, Michelle A -- Davidson, Michael W -- Xu, Pingyong -- Betzig, Eric -- GM-075252/GM/NIGMS NIH HHS/ -- R01 GM075252/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):aab3500. doi: 10.1126/science.aab3500.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA. ; Key Laboratory of RNA Biology and Beijing Key Laboratory of Noncoding RNA, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. College of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China. ; Key Laboratory of RNA Biology and Beijing Key Laboratory of Noncoding RNA, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. ; Coleman Technologies, 5131 West Chester Pike, Newtown Square, PA 19073, USA. ; Cell Biology and Physiology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA. ; Department of Cell Biology and Pediatrics, Harvard Medical School and Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA. ; Cell Biology and Physiology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA. National High Magnetic Field Laboratory and Department of Biological Science, Florida State University, Tallahassee, FL 32310, USA. ; National High Magnetic Field Laboratory and Department of Biological Science, Florida State University, Tallahassee, FL 32310, USA. ; Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA. betzige@janelia.hhmi.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315442" target="_blank"〉PubMed〈/a〉
    Keywords: Actinin/analysis ; Actins/analysis ; Animals ; Cell Line ; Clathrin/analysis ; Clathrin-Coated Vesicles/chemistry/ultrastructure ; Coated Pits, Cell-Membrane/chemistry/ultrastructure ; Cytoskeleton/chemistry/metabolism/*ultrastructure ; *Endocytosis ; Endosomes/chemistry/ultrastructure ; Golgi Apparatus/ultrastructure ; Image Processing, Computer-Assisted ; Imaging, Three-Dimensional/instrumentation/*methods ; Microscopy, Fluorescence/instrumentation/*methods ; Mitochondria/chemistry/ultrastructure ; Organelles/chemistry/metabolism/*ultrastructure ; rab5 GTP-Binding Proteins/analysis
    Print ISSN: 0036-8075
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    Phosphorylation of innate immune adaptor proteins MAVS, STING, and TRIF induces IRF3 activation (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-02-01
    Description: During virus infection, the adaptor proteins MAVS and STING transduce signals from the cytosolic nucleic acid sensors RIG-I and cGAS, respectively, to induce type I interferons (IFNs) and other antiviral molecules. Here we show that MAVS and STING harbor two conserved serine and threonine clusters that are phosphorylated by the kinases IKK and/or TBK1 in response to stimulation. Phosphorylated MAVS and STING then bind to a positively charged surface of interferon regulatory factor 3 (IRF3) and thereby recruit IRF3 for its phosphorylation and activation by TBK1. We further show that TRIF, an adaptor protein in Toll-like receptor signaling, activates IRF3 through a similar phosphorylation-dependent mechanism. These results reveal that phosphorylation of innate adaptor proteins is an essential and conserved mechanism that selectively recruits IRF3 to activate the type I IFN pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Siqi -- Cai, Xin -- Wu, Jiaxi -- Cong, Qian -- Chen, Xiang -- Li, Tuo -- Du, Fenghe -- Ren, Junyao -- Wu, You-Tong -- Grishin, Nick V -- Chen, Zhijian J -- AI-93967/AI/NIAID NIH HHS/ -- GM-094575/GM/NIGMS NIH HHS/ -- GM-63692/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):aaa2630. doi: 10.1126/science.aaa2630. Epub 2015 Jan 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. Howard Hughes Medical Institute (HHMI), University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. Howard Hughes Medical Institute (HHMI), University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. ; Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. Howard Hughes Medical Institute (HHMI), University of Texas Southwestern Medical Center, Dallas, TX 75390-9148, USA. zhijian.chen@utsouthwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25636800" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/chemistry/*metabolism ; Adaptor Proteins, Vesicular Transport/chemistry/*metabolism ; Amino Acid Sequence ; Animals ; Cell Line ; Humans ; I-kappa B Kinase/metabolism ; Interferon Regulatory Factor-3/chemistry/*metabolism ; Interferon-alpha/biosynthesis ; Interferon-beta/biosynthesis ; Membrane Proteins/chemistry/*metabolism ; Mice ; Molecular Sequence Data ; Phosphorylation ; Protein Binding ; Protein Multimerization ; Protein-Serine-Threonine Kinases/metabolism ; Recombinant Proteins/metabolism ; Sendai virus/physiology ; Serine/metabolism ; Signal Transduction ; Ubiquitination ; Vesiculovirus/physiology
    Print ISSN: 0036-8075
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    OCEANOGRAPHY. Contrasting futures for ocean and society from different anthropogenic CO(2) emissions scenarios (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-07-04
    Description: The ocean moderates anthropogenic climate change at the cost of profound alterations of its physics, chemistry, ecology, and services. Here, we evaluate and compare the risks of impacts on marine and coastal ecosystems-and the goods and services they provide-for growing cumulative carbon emissions under two contrasting emissions scenarios. The current emissions trajectory would rapidly and significantly alter many ecosystems and the associated services on which humans heavily depend. A reduced emissions scenario-consistent with the Copenhagen Accord's goal of a global temperature increase of less than 2 degrees C-is much more favorable to the ocean but still substantially alters important marine ecosystems and associated goods and services. The management options to address ocean impacts narrow as the ocean warms and acidifies. Consequently, any new climate regime that fails to minimize ocean impacts would be incomplete and inadequate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gattuso, J-P -- Magnan, A -- Bille, R -- Cheung, W W L -- Howes, E L -- Joos, F -- Allemand, D -- Bopp, L -- Cooley, S R -- Eakin, C M -- Hoegh-Guldberg, O -- Kelly, R P -- Portner, H-O -- Rogers, A D -- Baxter, J M -- Laffoley, D -- Osborn, D -- Rankovic, A -- Rochette, J -- Sumaila, U R -- Treyer, S -- Turley, C -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):aac4722. doi: 10.1126/science.aac4722.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire d'Oceanographie de Villefranche, CNRS-Institut National des Sciences de l'Univers, F-06230 Villefranche-sur-mer, France. Sorbonne Universites, Universite Pierre et Marie Curie, Univ Paris 06, Observatoire Oceanologique, F-06230 Villefranche-sur-mer, France. Institute for Sustainable Development and International Relations, Sciences Po, 27 rue Saint Guillaume, F-75007 Paris, France. gattuso@obs-vlfr.fr. ; Institute for Sustainable Development and International Relations, Sciences Po, 27 rue Saint Guillaume, F-75007 Paris, France. ; Secretariat of the Pacific Community, B.P. D5, 98848 Noumea Cedex, New Caledonia. ; Nippon Foundation-UBC Nereus Program, University of British Columbia (UBC), Vancouver, BC V6T 1Z4, Canada. ; Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, D-27570, Bremenrhaven, Germany. ; Climate and Environmental Physics, Physics Institute and Oeschger Centre for Climate Change Research, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland. ; Centre Scientifique de Monaco, 8 Quai Antoine Ier, MC-98000 Monaco, Principality of Monaco. Institut Pierre Simon Laplace/Laboratoire des Science du Climat et de l'Environnement, UMR8212, CNRS-Commissariat a l'Energie Atomique et aux Energies Alternatives-Universite de Versailles Saint-Quentin-en-Yvelines, Gif sur Yvette, France. ; Ocean Conservancy, 1300 19th Street NW, 8th Floor, Washington, DC 20036, USA. ; Coral Reef Watch, National Oceanic and Atmospheric Administration, College Park, MD 20740, USA. ; Global Change Institute and Australian Research Council Centre for Excellence in Coral Reef Studies, University of Queensland, Building 20, St Lucia, 4072 Queensland, Australia. ; School of Marine and Environmental Affairs, University of Washington, 3707 Brooklyn Avenue NE, Seattle, WA 98105, USA. ; Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK. ; Scottish Natural Heritage, 231 Corstorphine Road, Edinburgh EH12 7AT, Scotland. ; IUCN, Rue Mauverney 28, CH-1196 Gland, Switzerland. ; Environment Laboratories, International Atomic Energy Agency, 4a Quai Antoine 1er, MC-98000 Monaco, Principality of Monaco. ; Program on Science, Technology, and Society, John F. Kennedy School of Government, Harvard University, 79 John F. Kennedy Street, Cambridge, MA 02138, USA. ; Institute for Sustainable Development and International Relations, Sciences Po, 27 rue Saint Guillaume, F-75007 Paris, France. Fisheries Economics Research Unit, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. ; Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth PL1 3DH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138982" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquaculture ; *Aquatic Organisms ; *Carbon Dioxide ; *Ecosystem ; *Global Warming ; *Greenhouse Effect ; Health ; Humans ; Oceans and Seas ; Risk ; Travel
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Sustainability. Ecosystem services lost to oil and gas in North America (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-04-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allred, Brady W -- Smith, W Kolby -- Twidwell, Dirac -- Haggerty, Julia H -- Running, Steven W -- Naugle, David E -- Fuhlendorf, Samuel D -- New York, N.Y. -- Science. 2015 Apr 24;348(6233):401-2. doi: 10.1126/science.aaa4785. Epub 2015 Apr 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Forestry and Conservation, University of Montana, Missoula, MT 59812, USA. brady.allred@umontana.edu. ; College of Forestry and Conservation, University of Montana, Missoula, MT 59812, USA. Institute on the Environment, University of Minnesota, St. Paul, MN 55108, USA. ; Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE 68583, USA. ; Department of Earth Sciences, Montana State University, Bozeman, MT 59717, USA. ; College of Forestry and Conservation, University of Montana, Missoula, MT 59812, USA. ; Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK 74078, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25908812" target="_blank"〉PubMed〈/a〉
    Keywords: Canada ; *Crops, Agricultural ; *Ecosystem ; *Extraction and Processing Industry ; *Oil and Gas Fields ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Transcription factor trapping by RNA in gene regulatory elements (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-10-31
    Description: Transcription factors (TFs) bind specific sequences in promoter-proximal and -distal DNA elements to regulate gene transcription. RNA is transcribed from both of these DNA elements, and some DNA binding TFs bind RNA. Hence, RNA transcribed from regulatory elements may contribute to stable TF occupancy at these sites. We show that the ubiquitously expressed TF Yin-Yang 1 (YY1) binds to both gene regulatory elements and their associated RNA species across the entire genome. Reduced transcription of regulatory elements diminishes YY1 occupancy, whereas artificial tethering of RNA enhances YY1 occupancy at these elements. We propose that RNA makes a modest but important contribution to the maintenance of certain TFs at gene regulatory elements and suggest that transcription of regulatory elements produces a positive-feedback loop that contributes to the stability of gene expression programs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720525/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720525/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sigova, Alla A -- Abraham, Brian J -- Ji, Xiong -- Molinie, Benoit -- Hannett, Nancy M -- Guo, Yang Eric -- Jangi, Mohini -- Giallourakis, Cosmas C -- Sharp, Phillip A -- Young, Richard A -- HG002668/HG/NHGRI NIH HHS/ -- R01 HG002668/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):978-81. doi: 10.1126/science.aad3346. Epub 2015 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. ; Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. ; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. David H. Koch Institute for Integrative Cancer Research, Cambridge, MA 02140, USA. ; Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. young@wi.mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cell Line ; Consensus Sequence ; DNA/metabolism ; Embryonic Stem Cells/metabolism ; *Enhancer Elements, Genetic ; *Gene Expression Regulation ; Mice ; *Promoter Regions, Genetic ; RNA, Messenger/*metabolism ; *Transcription, Genetic ; YY1 Transcription Factor/*metabolism
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    Stem cells. m6A mRNA methylation facilitates resolution of naive pluripotency toward differentiation (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-01-09
    Description: Naive and primed pluripotent states retain distinct molecular properties, yet limited knowledge exists on how their state transitions are regulated. Here, we identify Mettl3, an N(6)-methyladenosine (m(6)A) transferase, as a regulator for terminating murine naive pluripotency. Mettl3 knockout preimplantation epiblasts and naive embryonic stem cells are depleted for m(6)A in mRNAs, yet are viable. However, they fail to adequately terminate their naive state and, subsequently, undergo aberrant and restricted lineage priming at the postimplantation stage, which leads to early embryonic lethality. m(6)A predominantly and directly reduces mRNA stability, including that of key naive pluripotency-promoting transcripts. This study highlights a critical role for an mRNA epigenetic modification in vivo and identifies regulatory modules that functionally influence naive and primed pluripotency in an opposing manner.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Geula, Shay -- Moshitch-Moshkovitz, Sharon -- Dominissini, Dan -- Mansour, Abed AlFatah -- Kol, Nitzan -- Salmon-Divon, Mali -- Hershkovitz, Vera -- Peer, Eyal -- Mor, Nofar -- Manor, Yair S -- Ben-Haim, Moshe Shay -- Eyal, Eran -- Yunger, Sharon -- Pinto, Yishay -- Jaitin, Diego Adhemar -- Viukov, Sergey -- Rais, Yoach -- Krupalnik, Vladislav -- Chomsky, Elad -- Zerbib, Mirie -- Maza, Itay -- Rechavi, Yoav -- Massarwa, Rada -- Hanna, Suhair -- Amit, Ido -- Levanon, Erez Y -- Amariglio, Ninette -- Stern-Ginossar, Noam -- Novershtern, Noa -- Rechavi, Gideon -- Hanna, Jacob H -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):1002-6. doi: 10.1126/science.1261417. Epub 2015 Jan 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel. ; Cancer Research Center, Chaim Sheba Medical Center, Tel Hashomer, Israel, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. ; Department of Chemistry and Institute for Biophysical Dynamics, The University of Chicago, Chicago, IL 60637, USA. ; Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel. ; The Department of Immunology, Weizmann Institute of Science, Rehovot, Israel. ; The Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel. The Department of Pediatrics and the Pediatric Immunology Unit, Rambam Medical Center, and the B. Rappaport Faculty of Medicine, Technion, Haifa, Israel. ; Cancer Research Center, Chaim Sheba Medical Center, Tel Hashomer, Israel, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel. ; The Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel. jacob.hanna@weizmann.ac.il noa.novershtern@weizmann.ac.il gidi.rechavi@sheba.health.gov.il. ; Cancer Research Center, Chaim Sheba Medical Center, Tel Hashomer, Israel, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel. jacob.hanna@weizmann.ac.il noa.novershtern@weizmann.ac.il gidi.rechavi@sheba.health.gov.il.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25569111" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine/*analogs & derivatives/metabolism ; Animals ; Blastocyst/enzymology ; Cell Differentiation/genetics/*physiology ; Cell Line ; Embryo Loss/genetics ; Epigenesis, Genetic ; Female ; Gene Knockout Techniques ; Male ; Methylation ; Methyltransferases/genetics/*physiology ; Mice ; Mice, Knockout ; Pluripotent Stem Cells/*cytology/enzymology ; RNA, Messenger/*metabolism
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    PALEOECOLOGY. Human impacts on ecosystems began thousands of years ago (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):1452. doi: 10.1126/science.350.6267.1452.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26680168" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; *Extinction, Biological ; *Human Activities ; Humans ; Paleontology ; Plants
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Structural biology. Structural basis for Notch1 engagement of Delta-like 4 (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-02-24
    Description: Notch receptors guide mammalian cell fate decisions by engaging the proteins Jagged and Delta-like (DLL). The 2.3 angstrom resolution crystal structure of the interacting regions of the Notch1-DLL4 complex reveals a two-site, antiparallel binding orientation assisted by Notch1 O-linked glycosylation. Notch1 epidermal growth factor-like repeats 11 and 12 interact with the DLL4 Delta/Serrate/Lag-2 (DSL) domain and module at the N-terminus of Notch ligands (MNNL) domains, respectively. Threonine and serine residues on Notch1 are functionalized with O-fucose and O-glucose, which act as surrogate amino acids by making specific, and essential, contacts to residues on DLL4. The elucidation of a direct chemical role for O-glycans in Notch1 ligand engagement demonstrates how, by relying on posttranslational modifications of their ligand binding sites, Notch proteins have linked their functional capacity to developmentally regulated biosynthetic pathways.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4445638/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4445638/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luca, Vincent C -- Jude, Kevin M -- Pierce, Nathan W -- Nachury, Maxence V -- Fischer, Suzanne -- Garcia, K Christopher -- 1R01-GM097015/GM/NIGMS NIH HHS/ -- R01 GM097015/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):847-53. doi: 10.1126/science.1261093.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. kcgarcia@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700513" target="_blank"〉PubMed〈/a〉
    Keywords: Alagille Syndrome/genetics ; Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Cell Line ; Conserved Sequence ; Crystallography, X-Ray ; Fucose/chemistry ; Glucose/chemistry ; Glycosylation ; Intracellular Signaling Peptides and Proteins/*chemistry/genetics ; Ligands ; Membrane Proteins/*chemistry/genetics/ultrastructure ; Molecular Sequence Data ; Molecular Targeted Therapy ; Polysaccharides/chemistry ; Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/drug therapy/genetics ; Protein Binding ; Protein Structure, Tertiary ; Rats ; Receptor, Notch1/*chemistry/genetics/ultrastructure ; Serine/chemistry/genetics ; Threonine/chemistry/genetics
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    ENDOCYTOSIS. Endocytic sites mature by continuous bending and remodeling of the clathrin coat (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-06-20
    Description: During clathrin-mediated endocytosis (CME), plasma membrane regions are internalized to retrieve extracellular molecules and cell surface components. Whether endocytosis occurs by direct clathrin assembly into curved lattices on the budding vesicle or by initial recruitment to flat membranes and subsequent reshaping has been controversial. To distinguish between these models, we combined fluorescence microscopy and electron tomography to locate endocytic sites and to determine their coat and membrane shapes during invagination. The curvature of the clathrin coat increased, whereas the coated surface area remained nearly constant. Furthermore, clathrin rapidly exchanged at all stages of CME. Thus, coated vesicle budding appears to involve bending of a dynamic preassembled clathrin coat.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Avinoam, Ori -- Schorb, Martin -- Beese, Carsten J -- Briggs, John A G -- Kaksonen, Marko -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1369-72. doi: 10.1126/science.aaa9555.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Biology and Biophysics Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. Structural and Computational Biology Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. ; Structural and Computational Biology Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. Electron Microscopy Core Facility, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. ; Cell Biology and Biophysics Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. ; Structural and Computational Biology Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. Cell Biology and Biophysics Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. marko.kaksonen@unige.ch john.briggs@embl.de. ; Cell Biology and Biophysics Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. Structural and Computational Biology Unit, The European Molecular Biology Laboratory, Heidelberg 69117, Germany. marko.kaksonen@unige.ch john.briggs@embl.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089517" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; Clathrin/*chemistry ; Coated Pits, Cell-Membrane/*chemistry ; Electron Microscope Tomography ; *Endocytosis ; Fluorescence Recovery After Photobleaching ; Humans ; Microscopy, Fluorescence
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    Stem cells. Asymmetric apportioning of aged mitochondria between daughter cells is required for stemness (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-04-04
    Description: By dividing asymmetrically, stem cells can generate two daughter cells with distinct fates. However, evidence is limited in mammalian systems for the selective apportioning of subcellular contents between daughters. We followed the fates of old and young organelles during the division of human mammary stemlike cells and found that such cells apportion aged mitochondria asymmetrically between daughter cells. Daughter cells that received fewer old mitochondria maintained stem cell traits. Inhibition of mitochondrial fission disrupted both the age-dependent subcellular localization and segregation of mitochondria and caused loss of stem cell properties in the progeny cells. Hence, mechanisms exist for mammalian stemlike cells to asymmetrically sort aged and young mitochondria, and these are important for maintaining stemness properties.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4405120/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4405120/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katajisto, Pekka -- Dohla, Julia -- Chaffer, Christine L -- Pentinmikko, Nalle -- Marjanovic, Nemanja -- Iqbal, Sharif -- Zoncu, Roberto -- Chen, Walter -- Weinberg, Robert A -- Sabatini, David M -- P30 CA014051/CA/NCI NIH HHS/ -- R01 CA103866/CA/NCI NIH HHS/ -- R01 CA129105/CA/NCI NIH HHS/ -- R37 AI047389/AI/NIAID NIH HHS/ -- T32 GM007287/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):340-3. doi: 10.1126/science.1260384. Epub 2015 Apr 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Boston, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA. Howard Hughes Medical Institute, MIT, Cambridge, MA 02139, USA. Institute of Biotechnology, University of Helsinki, P.O. Box 00014, Helsinki, Finland. pekka.katajisto@helsinki.fi sabatini@wi.mit.edu. ; Institute of Biotechnology, University of Helsinki, P.O. Box 00014, Helsinki, Finland. ; Whitehead Institute for Biomedical Research, Boston, MA 02142, USA. ; Whitehead Institute for Biomedical Research, Boston, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA. ; Whitehead Institute for Biomedical Research, Boston, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA. Howard Hughes Medical Institute, MIT, Cambridge, MA 02139, USA. ; Whitehead Institute for Biomedical Research, Boston, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA. Howard Hughes Medical Institute, MIT, Cambridge, MA 02139, USA. Broad Institute, Cambridge, MA 02142, USA. The David H. Koch Institute for Integrative Cancer Research at MIT, Cambridge, MA 02139, USA. pekka.katajisto@helsinki.fi sabatini@wi.mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25837514" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Aging/genetics/*physiology ; Cell Division/genetics/*physiology ; Cell Line ; Humans ; Mitochondria/*physiology/ultrastructure ; Stem Cells/*physiology/*ultrastructure
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    Genome-wide inactivation of porcine endogenous retroviruses (PERVs) (2015)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2015-10-13
    Description: The shortage of organs for transplantation is a major barrier to the treatment of organ failure. Although porcine organs are considered promising, their use has been checked by concerns about the transmission of porcine endogenous retroviruses (PERVs) to humans. Here we describe the eradication of all PERVs in a porcine kidney epithelial cell line (PK15). We first determined the PK15 PERV copy number to be 62. Using CRISPR-Cas9, we disrupted all copies of the PERV pol gene and demonstrated a 〉1000-fold reduction in PERV transmission to human cells, using our engineered cells. Our study shows that CRISPR-Cas9 multiplexability can be as high as 62 and demonstrates the possibility that PERVs can be inactivated for clinical application of porcine-to-human xenotransplantation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, Luhan -- Guell, Marc -- Niu, Dong -- George, Haydy -- Lesha, Emal -- Grishin, Dennis -- Aach, John -- Shrock, Ellen -- Xu, Weihong -- Poci, Jurgen -- Cortazio, Rebeca -- Wilkinson, Robert A -- Fishman, Jay A -- Church, George -- P50 HG005550/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1101-4. doi: 10.1126/science.aad1191. Epub 2015 Oct 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, MA, USA. Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA, USA. eGenesis Biosciences, Boston, MA 02115, USA. gchurch@genetics.med.harvard.edu luhan.yang@egenesisbio.com. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA, USA. eGenesis Biosciences, Boston, MA 02115, USA. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. College of Animal Sciences, Zhejiang University, Hangzhou 310058, China. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. ; Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. ; Transplant Infectious Disease and Compromised Host Program, Massachusetts General Hospital, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26456528" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; CRISPR-Cas Systems ; Cell Line ; Endogenous Retroviruses/*genetics ; Epithelial Cells/virology ; Gene Dosage ; Gene Targeting/*methods ; Genes, pol ; HEK293 Cells ; Humans ; Kidney/virology ; Molecular Sequence Data ; Retroviridae Infections/*prevention & control/transmission/virology ; Swine/*virology ; Transplantation, Heterologous/*methods ; *Virus Inactivation
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    Marine defaunation: animal loss in the global ocean (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-01-17
    Description: Marine defaunation, or human-caused animal loss in the oceans, emerged forcefully only hundreds of years ago, whereas terrestrial defaunation has been occurring far longer. Though humans have caused few global marine extinctions, we have profoundly affected marine wildlife, altering the functioning and provisioning of services in every ocean. Current ocean trends, coupled with terrestrial defaunation lessons, suggest that marine defaunation rates will rapidly intensify as human use of the oceans industrializes. Though protected areas are a powerful tool to harness ocean productivity, especially when designed with future climate in mind, additional management strategies will be required. Overall, habitat degradation is likely to intensify as a major driver of marine wildlife loss. Proactive intervention can avert a marine defaunation disaster of the magnitude observed on land.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCauley, Douglas J -- Pinsky, Malin L -- Palumbi, Stephen R -- Estes, James A -- Joyce, Francis H -- Warner, Robert R -- New York, N.Y. -- Science. 2015 Jan 16;347(6219):1255641. doi: 10.1126/science.1255641.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, USA. douglas.mccauley@lifesci.ucsb.edu. ; Department of Ecology, Evolution, and Natural Resources, Institute of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, USA. ; Department of Biology, Stanford University, Hopkins Marine Station, Pacific Grove, CA 93950, USA. ; Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA. ; Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25593191" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Aquatic Organisms ; Biodiversity ; Climate Change ; *Ecosystem ; *Endangered Species ; *Extinction, Biological ; Human Activities ; Humans ; Oceans and Seas ; Population Dynamics ; *Seawater
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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