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  • *Ecosystem  (1,597)
  • Phosphorylation  (1,100)
  • American Association for the Advancement of Science (AAAS)  (2,697)
  • American Association of Petroleum Geologists (AAPG)
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  • 1
    Publication Date: 2016-04-09
    Description: Activation of various cell surface receptors triggers the reorganization of downstream signaling molecules into micrometer- or submicrometer-sized clusters. However, the functional consequences of such clustering have been unclear. We biochemically reconstituted a 12-component signaling pathway on model membranes, beginning with T cell receptor (TCR) activation and ending with actin assembly. When TCR phosphorylation was triggered, downstream signaling proteins spontaneously separated into liquid-like clusters that promoted signaling outputs both in vitro and in human Jurkat T cells. Reconstituted clusters were enriched in kinases but excluded phosphatases and enhanced actin filament assembly by recruiting and organizing actin regulators. These results demonstrate that protein phase separation can create a distinct physical and biochemical compartment that facilitates signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Su, Xiaolei -- Ditlev, Jonathon A -- Hui, Enfu -- Xing, Wenmin -- Banjade, Sudeep -- Okrut, Julia -- King, David S -- Taunton, Jack -- Rosen, Michael K -- Vale, Ronald D -- 5-F32-DK101188/DK/NIDDK NIH HHS/ -- F32 DK101188/DK/NIDDK NIH HHS/ -- R01 GM056322/GM/NIGMS NIH HHS/ -- R01-GM56322/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):595-9. doi: 10.1126/science.aad9964. Epub 2016 Apr 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute (HHMI) Summer Institute, Marine Biological Laboratory, Woods Hole, MA 02543, USA. Department of Cellular and Molecular Pharmacology and Howard Hughes Medical Institute, University of California, San Francisco, CA 94158, USA. ; Howard Hughes Medical Institute (HHMI) Summer Institute, Marine Biological Laboratory, Woods Hole, MA 02543, USA. Department of Biophysics and Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. ; HHMI Mass Spectrometry Laboratory and Department of Molecular and Cellular Biology, University of California, Berkeley, CA 94720, USA. ; Howard Hughes Medical Institute (HHMI) Summer Institute, Marine Biological Laboratory, Woods Hole, MA 02543, USA. Department of Biophysics and Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. ron.vale@ucsf.edu michael.rosen@utsouthwestern.edu. ; Howard Hughes Medical Institute (HHMI) Summer Institute, Marine Biological Laboratory, Woods Hole, MA 02543, USA. Department of Cellular and Molecular Pharmacology and Howard Hughes Medical Institute, University of California, San Francisco, CA 94158, USA. ron.vale@ucsf.edu michael.rosen@utsouthwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27056844" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*metabolism ; Adaptor Proteins, Signal Transducing/*metabolism ; Fluorescence Recovery After Photobleaching ; Humans ; Jurkat Cells ; Membrane Proteins/*metabolism ; Mitogen-Activated Protein Kinase Kinases ; Phosphorylation ; Polymerization ; Receptors, Antigen, T-Cell/*agonists ; Signal Transduction ; T-Lymphocytes/*metabolism
    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
    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2016-02-26
    Description: In response to growth signals, mechanistic target of rapamycin complex 1 (mTORC1) stimulates anabolic processes underlying cell growth. We found that mTORC1 increases metabolic flux through the de novo purine synthesis pathway in various mouse and human cells, thereby influencing the nucleotide pool available for nucleic acid synthesis. mTORC1 had transcriptional effects on multiple enzymes contributing to purine synthesis, with expression of the mitochondrial tetrahydrofolate (mTHF) cycle enzyme methylenetetrahydrofolate dehydrogenase 2 (MTHFD2) being closely associated with mTORC1 signaling in both normal and cancer cells. MTHFD2 expression and purine synthesis were stimulated by activating transcription factor 4 (ATF4), which was activated by mTORC1 independent of its canonical induction downstream of eukaryotic initiation factor 2alpha eIF2alpha phosphorylation. Thus, mTORC1 stimulates the mTHF cycle, which contributes one-carbon units to enhance production of purine nucleotides in response to growth signals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ben-Sahra, Issam -- Hoxhaj, Gerta -- Ricoult, Stephane J H -- Asara, John M -- Manning, Brendan D -- K99-CA194192/CA/NCI NIH HHS/ -- P01 CA120964/CA/NCI NIH HHS/ -- P01-CA120964/CA/NCI NIH HHS/ -- P30-CA006516/CA/NCI NIH HHS/ -- R01 CA181390/CA/NCI NIH HHS/ -- R01-CA181390/CA/NCI NIH HHS/ -- R35 CA197459/CA/NCI NIH HHS/ -- R35-CA197459/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):728-33. doi: 10.1126/science.aad0489.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA. ; Division of Signal Transduction, Beth Israel Deaconess Medical Center and Department of Medicine, Harvard Medical School, Boston, MA 02115, USA. ; Department of Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, MA 02115, USA. bmanning@hsph.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912861" target="_blank"〉PubMed〈/a〉
    Keywords: Activating Transcription Factor 4/genetics/metabolism ; Animals ; Eukaryotic Initiation Factor-2/metabolism ; HEK293 Cells ; Humans ; Methenyltetrahydrofolate Cyclohydrolase/genetics ; Methylenetetrahydrofolate Dehydrogenase (NADP)/genetics ; Mice ; Mitochondria/*metabolism ; Multiprotein Complexes/genetics/*metabolism ; Phosphorylation ; Protein Biosynthesis ; Purines/*biosynthesis ; TOR Serine-Threonine Kinases/genetics/*metabolism ; Tetrahydrofolates/*metabolism ; Transcription, Genetic
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  • 4
    Publication Date: 2016-02-06
    Description: SH3 and multiple ankyrin repeat domains 3 (SHANK3) haploinsufficiency is causative for the neurological features of Phelan-McDermid syndrome (PMDS), including a high risk of autism spectrum disorder (ASD). We used unbiased, quantitative proteomics to identify changes in the phosphoproteome of Shank3-deficient neurons. Down-regulation of protein kinase B (PKB/Akt)-mammalian target of rapamycin complex 1 (mTORC1) signaling resulted from enhanced phosphorylation and activation of serine/threonine protein phosphatase 2A (PP2A) regulatory subunit, B56beta, due to increased steady-state levels of its kinase, Cdc2-like kinase 2 (CLK2). Pharmacological and genetic activation of Akt or inhibition of CLK2 relieved synaptic deficits in Shank3-deficient and PMDS patient-derived neurons. CLK2 inhibition also restored normal sociability in a Shank3-deficient mouse model. Our study thereby provides a novel mechanistic and potentially therapeutic understanding of deregulated signaling downstream of Shank3 deficiency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bidinosti, Michael -- Botta, Paolo -- Kruttner, Sebastian -- Proenca, Catia C -- Stoehr, Natacha -- Bernhard, Mario -- Fruh, Isabelle -- Mueller, Matthias -- Bonenfant, Debora -- Voshol, Hans -- Carbone, Walter -- Neal, Sarah J -- McTighe, Stephanie M -- Roma, Guglielmo -- Dolmetsch, Ricardo E -- Porter, Jeffrey A -- Caroni, Pico -- Bouwmeester, Tewis -- Luthi, Andreas -- Galimberti, Ivan -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1199-203. doi: 10.1126/science.aad5487. Epub 2016 Feb 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Molecular Pathways, Novartis Institutes for Biomedical Research, Basel, Switzerland. ; Friedrich Miescher Institute, Basel, Switzerland. ; Analytical Sciences and Imaging, Novartis Institutes for Biomedical Research, Basel, Switzerland. ; Neuroscience, Novartis Institutes for Biomedical Research, Cambridge, USA. ; Developmental Molecular Pathways, Novartis Institutes for Biomedical Research, Basel, Switzerland. ivan.galimberti@novartis.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26847545" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Autism Spectrum Disorder/*drug therapy/enzymology/genetics ; Chromosome Deletion ; Chromosome Disorders/genetics ; Chromosomes, Human, Pair 22/genetics ; Disease Models, Animal ; Down-Regulation ; Gene Knockdown Techniques ; Humans ; Insulin-Like Growth Factor I/metabolism ; Mice ; Molecular Sequence Data ; Multiprotein Complexes/metabolism ; Nerve Tissue Proteins/*genetics ; Neurons/enzymology ; Phosphorylation ; Protein Phosphatase 2/metabolism ; Protein-Serine-Threonine Kinases/*antagonists & inhibitors/metabolism ; Protein-Tyrosine Kinases/*antagonists & inhibitors/metabolism ; Proteomics ; Proto-Oncogene Proteins c-akt/genetics/metabolism ; Rats ; Signal Transduction ; TOR Serine-Threonine Kinases/metabolism
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  • 5
    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    American Association for the Advancement of Science (AAAS)
    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
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  • 7
    Publication Date: 2015-04-11
    Description: Protein phosphorylation regulates virtually all biological processes. Although protein kinases are popular drug targets, targeting protein phosphatases remains a challenge. Here, we describe Sephin1 (selective inhibitor of a holophosphatase), a small molecule that safely and selectively inhibited a regulatory subunit of protein phosphatase 1 in vivo. Sephin1 selectively bound and inhibited the stress-induced PPP1R15A, but not the related and constitutive PPP1R15B, to prolong the benefit of an adaptive phospho-signaling pathway, protecting cells from otherwise lethal protein misfolding stress. In vivo, Sephin1 safely prevented the motor, morphological, and molecular defects of two otherwise unrelated protein-misfolding diseases in mice, Charcot-Marie-Tooth 1B, and amyotrophic lateral sclerosis. Thus, regulatory subunits of phosphatases are drug targets, a property exploited here to safely prevent two protein misfolding diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4490275/" 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/PMC4490275/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Das, Indrajit -- Krzyzosiak, Agnieszka -- Schneider, Kim -- Wrabetz, Lawrence -- D'Antonio, Maurizio -- Barry, Nicholas -- Sigurdardottir, Anna -- Bertolotti, Anne -- 309516/European Research Council/International -- MC_U105185860/Medical Research Council/United Kingdom -- R01-NS55256/NS/NINDS NIH HHS/ -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Apr 10;348(6231):239-42. doi: 10.1126/science.aaa4484.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK. ; Division of Genetics and Cell Biology, San Raffaele Scientific Institute, 20132 Milan, Italy. ; Medical Research Council Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK. aberto@mrc-lmb.cam.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25859045" target="_blank"〉PubMed〈/a〉
    Keywords: Amyotrophic Lateral Sclerosis/drug therapy/metabolism/pathology ; Animals ; Cells, Cultured ; Charcot-Marie-Tooth Disease/drug therapy/metabolism/pathology ; Disease Models, Animal ; Endoplasmic Reticulum Stress/drug effects ; Enzyme Inhibitors/metabolism/pharmacokinetics/*pharmacology/toxicity ; Guanabenz/*analogs & derivatives/chemical ; synthesis/metabolism/pharmacology/toxicity ; HeLa Cells ; Humans ; Mice ; Mice, Transgenic ; Molecular Targeted Therapy ; Phosphorylation ; Protein Folding ; Protein Phosphatase 1/*antagonists & inhibitors ; Proteostasis Deficiencies/*drug therapy/*prevention & control ; Signal Transduction
    Print ISSN: 0036-8075
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  • 8
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    American Association for the Advancement of Science (AAAS)
    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
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  • 9
    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
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  • 10
    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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  • 11
    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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  • 12
    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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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
    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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  • 14
    Publication Date: 2015-01-31
    Description: The mechanistic basis of eukaryotic circadian oscillators in model systems as diverse as Neurospora, Drosophila, and mammalian cells is thought to be a transcription-and-translation-based negative feedback loop, wherein progressive and controlled phosphorylation of one or more negative elements ultimately elicits their own proteasome-mediated degradation, thereby releasing negative feedback and determining circadian period length. The Neurospora crassa circadian negative element FREQUENCY (FRQ) exemplifies such proteins; it is progressively phosphorylated at more than 100 sites, and strains bearing alleles of frq with anomalous phosphorylation display abnormal stability of FRQ that is well correlated with altered periods or apparent arrhythmicity. Unexpectedly, we unveiled normal circadian oscillations that reflect the allelic state of frq but that persist in the absence of typical degradation of FRQ. This manifest uncoupling of negative element turnover from circadian period length determination is not consistent with the consensus eukaryotic circadian model.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4432837/" 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/PMC4432837/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larrondo, Luis F -- Olivares-Yanez, Consuelo -- Baker, Christopher L -- Loros, Jennifer J -- Dunlap, Jay C -- P01 GM68087/GM/NIGMS NIH HHS/ -- R01 GM034985/GM/NIGMS NIH HHS/ -- R01 GM083336/GM/NIGMS NIH HHS/ -- R01 GM34985/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jan 30;347(6221):1257277. doi: 10.1126/science.1257277.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉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 Genetics, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA. jay.c.dunlap@dartmouth.edu llarrondo@bio.puc.cl. ; 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 Genetics, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA. ; Department of Genetics, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA. Department of Biochemistry, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA. ; Department of Genetics, Geisel School of Medicine at Dartmouth, Hanover, NH 03755, USA. jay.c.dunlap@dartmouth.edu llarrondo@bio.puc.cl.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25635104" target="_blank"〉PubMed〈/a〉
    Keywords: Adenine/analogs & derivatives/pharmacology ; Alleles ; *Circadian Clocks ; *Circadian Rhythm ; Feedback, Physiological ; Fungal Proteins/biosynthesis/*genetics/*metabolism ; Half-Life ; Neurospora crassa/*physiology ; Phosphorylation ; Proteasome Endopeptidase Complex/metabolism ; Protein Kinase Inhibitors/pharmacology ; Protein Stability ; Proteolysis ; Signal Transduction
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  • 15
    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
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  • 16
    Publication Date: 2015-06-13
    Description: Cell division progresses to anaphase only after all chromosomes are connected to spindle microtubules through kinetochores and the spindle assembly checkpoint (SAC) is satisfied. We show that the amino-terminal localization module of the SAC protein kinase MPS1 (monopolar spindle 1) directly interacts with the HEC1 (highly expressed in cancer 1) calponin homology domain in the NDC80 (nuclear division cycle 80) kinetochore complex in vitro, in a phosphorylation-dependent manner. Microtubule polymers disrupted this interaction. In cells, MPS1 binding to kinetochores or to ectopic NDC80 complexes was prevented by end-on microtubule attachment, independent of known kinetochore protein-removal mechanisms. Competition for kinetochore binding between SAC proteins and microtubules provides a direct and perhaps evolutionarily conserved way to detect a properly organized spindle ready for cell division.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hiruma, Yoshitaka -- Sacristan, Carlos -- Pachis, Spyridon T -- Adamopoulos, Athanassios -- Kuijt, Timo -- Ubbink, Marcellus -- von Castelmur, Eleonore -- Perrakis, Anastassis -- Kops, Geert J P L -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1264-7. doi: 10.1126/science.aaa4055. Epub 2015 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biochemistry, Netherlands Cancer Institute, 1066 CX Amsterdam, Netherlands. Molecular Cancer Research, University Medical Center Utrecht, 3584 CG Utrecht, Netherlands. Cancer Genomics Netherlands, University Medical Center Utrecht, 3584 CG Utrecht, Netherlands. ; Molecular Cancer Research, University Medical Center Utrecht, 3584 CG Utrecht, Netherlands. Cancer Genomics Netherlands, University Medical Center Utrecht, 3584 CG Utrecht, Netherlands. ; Division of Biochemistry, Netherlands Cancer Institute, 1066 CX Amsterdam, Netherlands. ; Leiden Institute of Chemistry, Leiden University, Post Office Box 9502, 2300 RA Leiden, Netherlands. ; Division of Biochemistry, Netherlands Cancer Institute, 1066 CX Amsterdam, Netherlands. g.j.p.l.kops@umcutrecht.nl a.perrakis@nki.nl. ; Molecular Cancer Research, University Medical Center Utrecht, 3584 CG Utrecht, Netherlands. Cancer Genomics Netherlands, University Medical Center Utrecht, 3584 CG Utrecht, Netherlands. g.j.p.l.kops@umcutrecht.nl a.perrakis@nki.nl.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068855" target="_blank"〉PubMed〈/a〉
    Keywords: Anaphase ; Binding, Competitive ; Calcium-Binding Proteins/genetics/metabolism ; *Cell Cycle Checkpoints ; Cell Cycle Proteins/*metabolism ; HeLa Cells ; Humans ; Kinetochores/*metabolism ; Microfilament Proteins/genetics/metabolism ; Microtubules/*metabolism ; Nuclear Proteins/chemistry/*metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/*metabolism ; Protein-Tyrosine Kinases/*metabolism ; Signal Transduction ; Spindle Apparatus/*metabolism
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  • 17
    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
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  • 18
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    American Association for the Advancement of Science (AAAS)
    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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  • 19
    Publication Date: 2015-06-27
    Description: Organisms are adapted to the relentless cycles of day and night, because they evolved timekeeping systems called circadian clocks, which regulate biological activities with ~24-hour rhythms. The clock of cyanobacteria is driven by a three-protein oscillator composed of KaiA, KaiB, and KaiC, which together generate a circadian rhythm of KaiC phosphorylation. We show that KaiB flips between two distinct three-dimensional folds, and its rare transition to an active state provides a time delay that is required to match the timing of the oscillator to that of Earth's rotation. Once KaiB switches folds, it binds phosphorylated KaiC and captures KaiA, which initiates a phase transition of the circadian cycle, and it regulates components of the clock-output pathway, which provides the link that joins the timekeeping and signaling functions of the oscillator.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4506712/" 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/PMC4506712/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, Yong-Gang -- Cohen, Susan E -- Phong, Connie -- Myers, William K -- Kim, Yong-Ick -- Tseng, Roger -- Lin, Jenny -- Zhang, Li -- Boyd, Joseph S -- Lee, Yvonne -- Kang, Shannon -- Lee, David -- Li, Sheng -- Britt, R David -- Rust, Michael J -- Golden, Susan S -- LiWang, Andy -- AI081982/AI/NIAID NIH HHS/ -- AI101436/AI/NIAID NIH HHS/ -- GM062419/GM/NIGMS NIH HHS/ -- GM100116/GM/NIGMS NIH HHS/ -- GM107521/GM/NIGMS NIH HHS/ -- R01 GM062419/GM/NIGMS NIH HHS/ -- R01 GM100116/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jul 17;349(6245):324-8. doi: 10.1126/science.1260031. Epub 2015 Jun 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Natural Sciences, University of California, Merced, CA 95343, USA. ; Center for Circadian Biology, University of California, San Diego, La Jolla, CA 92093, USA. ; Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, IL 60637, USA. ; Department of Chemistry, University of California, Davis, CA 95616, USA. ; School of Natural Sciences, University of California, Merced, CA 95343, USA. Quantitative and Systems Biology, University of California, Merced, CA 95343, USA. ; Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA. ; Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA. ; Center for Circadian Biology, University of California, San Diego, La Jolla, CA 92093, USA. Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA. ; School of Natural Sciences, University of California, Merced, CA 95343, USA. Center for Circadian Biology, University of California, San Diego, La Jolla, CA 92093, USA. Quantitative and Systems Biology, University of California, Merced, CA 95343, USA. Chemistry and Chemical Biology, University of California, Merced, CA 95343, USA. Health Sciences Research Institute, University of California, Merced, CA 95343, USA. aliwang@ucmerced.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113641" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/*chemistry/genetics/*metabolism ; *Circadian Rhythm ; Circadian Rhythm Signaling Peptides and Proteins/*chemistry/genetics/*metabolism ; Phosphorylation ; Protein Folding ; Protein Structure, Secondary ; Synechococcus/metabolism/*physiology
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  • 20
    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
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  • 21
    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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  • 22
    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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  • 23
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    American Association for the Advancement of Science (AAAS)
    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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  • 24
    Publication Date: 2015-05-16
    Description: The centrosome organizes microtubule arrays within animal cells and comprises two centrioles surrounded by an amorphous protein mass called the pericentriolar material (PCM). Despite the importance of centrosomes as microtubule-organizing centers, the mechanism and regulation of PCM assembly are not well understood. In Caenorhabditis elegans, PCM assembly requires the coiled-coil protein SPD-5. We found that recombinant SPD-5 could polymerize to form micrometer-sized porous networks in vitro. Network assembly was accelerated by two conserved regulators that control PCM assembly in vivo, Polo-like kinase-1 and SPD-2/Cep192. Only the assembled SPD-5 networks, and not unassembled SPD-5 protein, functioned as a scaffold for other PCM proteins. Thus, PCM size and binding capacity emerge from the regulated polymerization of one coiled-coil protein to form a porous network.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woodruff, Jeffrey B -- Wueseke, Oliver -- Viscardi, Valeria -- Mahamid, Julia -- Ochoa, Stacy D -- Bunkenborg, Jakob -- Widlund, Per O -- Pozniakovsky, Andrei -- Zanin, Esther -- Bahmanyar, Shirin -- Zinke, Andrea -- Hong, Sun Hae -- Decker, Marcus -- Baumeister, Wolfgang -- Andersen, Jens S -- Oegema, Karen -- Hyman, Anthony A -- R01-GM074207/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 May 15;348(6236):808-12. doi: 10.1126/science.aaa3923.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstrasse 108, 01307 Dresden, Germany. ; Department of Cellular and Molecular Medicine, Ludwig Institute for Cancer Research, University of California, San Diego, La Jolla, CA 92093, USA. ; Department of Molecular Structural Biology, Max Planck Institute of Biochemistry, Martinsried 82152, Germany. ; Department of Clinical Biochemistry, Copenhagen University Hospital, Hvidovre 2650, Denmark. Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark. ; Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA. ; Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark. ; Department of Cellular and Molecular Medicine, Ludwig Institute for Cancer Research, University of California, San Diego, La Jolla, CA 92093, USA. hyman@mpi-cbg.de koegema@ucsd.edu. ; Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstrasse 108, 01307 Dresden, Germany. hyman@mpi-cbg.de koegema@ucsd.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25977552" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis elegans/*genetics/*metabolism ; Caenorhabditis elegans Proteins/chemistry/genetics/*metabolism ; Cell Cycle Proteins/chemistry/genetics/*metabolism ; Centrosome/*metabolism/ultrasonography ; Metabolic Networks and Pathways ; Phosphorylation ; Polymerization ; Protein Binding ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/*metabolism ; Proto-Oncogene Proteins/*metabolism
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  • 25
    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 26
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-09-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2015 Sep 4;349(6252):1046-7. doi: 10.1126/science.349.6252.1046.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26339010" target="_blank"〉PubMed〈/a〉
    Keywords: Acinonyx ; Animals ; *Droughts ; *Ecosystem ; *Environmental Restoration and Remediation ; Extinction, Biological ; Iran ; *Lakes
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  • 27
    Publication Date: 2015-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Groner, Maya -- Breyta, Rachel -- Dobson, Andy -- Friedman, Carolyn S -- Froelich, Brett -- Garren, Melissa -- Gulland, Frances -- Maynard, Jeffrey -- Weil, Ernesto -- Wyllie-Echeverria, Sandy -- Harvell, Drew -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1210. doi: 10.1126/science.347.6227.1210-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Veterinary and Epidemiological Research, Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, C1A 4P3, Canada. mgroner@upei.ca. ; School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA 98195, USA. ; Department of Ecology and Evolutionary Biology, Princeton, NJ 08544, USA. ; Department of Marine Science, University of North Carolina, Chapel Hill, NC 27599, USA. ; Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; The Marine Mammal Center, Sausalito, CA 94965, USA. ; Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14853, USA. ; Department of Marine Sciences, University of Puerto Rico, Mayaguez, Mayaguez, PR 00680, USA. ; Friday Harbor Laboratories, University of Washington, Friday Harbor, WA 98250, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766223" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms/*microbiology ; *Ecosystem ; Oceans and Seas ; *Plant Diseases ; *Seawater
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 28
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2015 Aug 7;349(6248):578-81. doi: 10.1126/science.349.6248.578.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26250666" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; *Ecosystem ; Fishes ; *Global Warming ; *Ice Cover ; Oceans and Seas ; Plankton ; Species Specificity
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  • 29
    Publication Date: 2015-12-15
    Description: Release of promoter-proximal paused RNA polymerase II (Pol II) during early elongation is a critical step in transcriptional regulation in metazoan cells. Paused Pol II release is thought to require the kinase activity of cyclin-dependent kinase 9 (CDK9) for the phosphorylation of DRB sensitivity-inducing factor, negative elongation factor, and C-terminal domain (CTD) serine-2 of Pol II. We found that Pol II-associated factor 1 (PAF1) is a critical regulator of paused Pol II release, that positive transcription elongation factor b (P-TEFb) directly regulates the initial recruitment of PAF1 complex (PAF1C) to genes, and that the subsequent recruitment of CDK12 is dependent on PAF1C. These findings reveal cooperativity among P-TEFb, PAF1C, and CDK12 in pausing release and Pol II CTD phosphorylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yu, Ming -- Yang, Wenjing -- Ni, Ting -- Tang, Zhanyun -- Nakadai, Tomoyoshi -- Zhu, Jun -- Roeder, Robert G -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 11;350(6266):1383-6. doi: 10.1126/science.aad2338.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Biochemistry and Molecular Biology, The Rockefeller University, New York, NY 10065, USA. ; Systems Biology Center, National Heart, Lung, and Blood Institute, Bethesda, MD 20892, USA. ; State Key Laboratory of Genetic Engineering and Ministry of Education Key Laboratory of Contemporary Anthropology, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai 200438, P.R. China. ; Laboratory of Biochemistry and Molecular Biology, The Rockefeller University, New York, NY 10065, USA. roeder@rockefeller.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26659056" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line, Tumor ; Cyclin-Dependent Kinase 9/metabolism ; Cyclin-Dependent Kinases/metabolism ; *Gene Expression Regulation ; Humans ; Nuclear Proteins/genetics/*metabolism ; Phosphorylation ; Positive Transcriptional Elongation Factor B/metabolism ; Promoter Regions, Genetic ; Protein Structure, Tertiary ; RNA Polymerase II/chemistry/genetics/*metabolism ; *Transcription Elongation, Genetic ; Transcription Factors/metabolism
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-09-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rau, Greg H -- Greene, Charles H -- New York, N.Y. -- Science. 2015 Sep 25;349(6255):1459. doi: 10.1126/science.349.6255.1459-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Marine Sciences, University of California, Santa Cruz, CA 95064, USA. ghrau@sbcglobal.net. ; Ocean Resources and Ecosystems Program, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26404817" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquatic Organisms ; *Carbon Dioxide ; *Ecosystem ; *Global Warming ; *Greenhouse Effect ; Humans
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  • 31
    Publication Date: 2014-05-17
    Description: A switchlike response in nuclear factor-kappaB (NF-kappaB) activity implies the existence of a threshold in the NF-kappaB signaling module. We show that the CARD-containing MAGUK protein 1 (CARMA1, also called CARD11)-TAK1 (MAP3K7)-inhibitor of NF-kappaB (IkappaB) kinase-beta (IKKbeta) module is a switch mechanism for NF-kappaB activation in B cell receptor (BCR) signaling. Experimental and mathematical modeling analyses showed that IKK activity is regulated by positive feedback from IKKbeta to TAK1, generating a steep dose response to BCR stimulation. Mutation of the scaffolding protein CARMA1 at serine-578, an IKKbeta target, abrogated not only late TAK1 activity, but also the switchlike activation of NF-kappaB in single cells, suggesting that phosphorylation of this residue accounts for the feedback.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shinohara, Hisaaki -- Behar, Marcelo -- Inoue, Kentaro -- Hiroshima, Michio -- Yasuda, Tomoharu -- Nagashima, Takeshi -- Kimura, Shuhei -- Sanjo, Hideki -- Maeda, Shiori -- Yumoto, Noriko -- Ki, Sewon -- Akira, Shizuo -- Sako, Yasushi -- Hoffmann, Alexander -- Kurosaki, Tomohiro -- Okada-Hatakeyama, Mariko -- 5R01CA141722/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2014 May 16;344(6185):760-4. doi: 10.1126/science.1250020.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Integrated Cellular Systems, RIKEN Center for Integrative Medical Sciences (IMS-RCAI), Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. ; Signaling Systems Laboratory, Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093, USA. Institute for Quantitative and Computational Biosciences (QC Bio) and Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90025, USA. ; Laboratory for Cell Signaling Dynamics, RIKEN Quantitative Biology Center (QBiC), 6-2-3, Furuedai, Suita, Osaka 565-0874, Japan. Cellular Informatics Laboratory, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan. ; Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences (IMS-RCAI), Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. ; Graduate School of Engineering, Tottori University 4-101, Koyama-minami, Tottori 680-8552, Japan. ; Laboratory of Host Defense, WPI Immunology Frontier Research Center, Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan. ; Cellular Informatics Laboratory, RIKEN, 2-1 Hirosawa, Wako 351-0198, Japan. ; Signaling Systems Laboratory, Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093, USA. Institute for Quantitative and Computational Biosciences (QC Bio) and Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90025, USA. ahoffmann@ucla.edu kurosaki@rcai.riken.jp marikoh@rcai.riken.jp. ; Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences (IMS-RCAI), Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. Laboratory for Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan. ahoffmann@ucla.edu kurosaki@rcai.riken.jp marikoh@rcai.riken.jp. ; Laboratory for Integrated Cellular Systems, RIKEN Center for Integrative Medical Sciences (IMS-RCAI), Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. ahoffmann@ucla.edu kurosaki@rcai.riken.jp marikoh@rcai.riken.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24833394" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/metabolism ; CARD Signaling Adaptor Proteins/genetics/*metabolism ; Cell Line ; Chickens ; Feedback, Physiological ; Guanylate Cyclase/genetics/*metabolism ; I-kappa B Kinase/*metabolism ; MAP Kinase Kinase Kinases/genetics/*metabolism ; Mice ; Mice, Knockout ; Mutation ; NF-kappa B/*agonists ; Phosphorylation ; Receptors, Antigen, B-Cell/genetics/*metabolism ; Serine/genetics/metabolism ; Signal Transduction
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  • 32
    Publication Date: 2014-01-05
    Description: Metaphase chromosomes are visible hallmarks of mitosis, yet our understanding of their structure and of the forces shaping them is rudimentary. Phosphorylation of histone H3 serine 10 (H3 S10) by Aurora B kinase is a signature event of mitosis, but its function in chromatin condensation is unclear. Using genetically encoded ultraviolet light-inducible cross-linkers, we monitored protein-protein interactions with spatiotemporal resolution in living yeast to identify the molecular details of the pathway downstream of H3 S10 phosphorylation. This modification leads to the recruitment of the histone deacetylase Hst2p that subsequently removes an acetyl group from histone H4 lysine 16, freeing the H4 tail to interact with the surface of neighboring nucleosomes and promoting fiber condensation. This cascade of events provides a condensin-independent driving force of chromatin hypercondensation during mitosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilkins, Bryan J -- Rall, Nils A -- Ostwal, Yogesh -- Kruitwagen, Tom -- Hiragami-Hamada, Kyoko -- Winkler, Marco -- Barral, Yves -- Fischle, Wolfgang -- Neumann, Heinz -- New York, N.Y. -- Science. 2014 Jan 3;343(6166):77-80. doi: 10.1126/science.1244508.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Free Floater (Junior) Research Group "Applied Synthetic Biology," Institute for Microbiology and Genetics, Georg-August University Gottingen, 37077 Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24385627" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/metabolism ; Chromatin/*metabolism ; Chromosomes, Fungal/genetics/metabolism ; Cross-Linking Reagents/chemistry/radiation effects ; DNA-Binding Proteins/metabolism ; Histones/*metabolism ; Lysine/metabolism ; *Mitosis ; Multiprotein Complexes/metabolism ; Phosphorylation ; Protein Interaction Mapping ; *Protein Processing, Post-Translational ; Saccharomyces cerevisiae/genetics/*metabolism ; Saccharomyces cerevisiae Proteins/metabolism ; Serine/*metabolism ; Sirtuin 2/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 33
    Publication Date: 2014-09-23
    Description: Ribonucleotide reductase (RNR) supplies the balanced pools of deoxynucleotide triphosphates (dNTPs) necessary for DNA replication and maintenance of genomic integrity. RNR is subject to allosteric regulatory mechanisms in all eukaryotes, as well as to control by small protein inhibitors Sml1p and Spd1p in budding and fission yeast, respectively. Here, we show that the metazoan protein IRBIT forms a deoxyadenosine triphosphate (dATP)-dependent complex with RNR, which stabilizes dATP in the activity site of RNR and thus inhibits the enzyme. Formation of the RNR-IRBIT complex is regulated through phosphorylation of IRBIT, and ablation of IRBIT expression in HeLa cells causes imbalanced dNTP pools and altered cell cycle progression. We demonstrate a mechanism for RNR regulation in higher eukaryotes that acts by enhancing allosteric RNR inhibition by dATP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arnaoutov, Alexei -- Dasso, Mary -- New York, N.Y. -- Science. 2014 Sep 19;345(6203):1512-5. doi: 10.1126/science.1251550.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Gene Regulation and Development, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA. arnaouta@mail.nih.gov. ; Laboratory of Gene Regulation and Development, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25237103" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation ; Amino Acid Sequence ; Catalytic Domain ; Deoxyadenine Nucleotides/*metabolism ; HeLa Cells ; Humans ; Immunoprecipitation ; Lectins, C-Type/genetics/*metabolism ; Membrane Proteins/genetics/*metabolism ; Molecular Sequence Data ; Phosphorylation ; Ribonucleotide Reductases/*antagonists & inhibitors/metabolism
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  • 34
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woodroffe, Rosie -- Hedges, Simon -- Durant, Sarah -- New York, N.Y. -- Science. 2014 Jul 25;345(6195):389-90. doi: 10.1126/science.345.6195.389-b. Epub 2014 Jul 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Zoology, Zoological Society of London, London, NW1 4RY, UK. rosie.woodroffe@ioz.ac.uk. ; Wildlife Conservation Society, Bronx, NY 10460, USA. ; Institute of Zoology, Zoological Society of London, London, NW1 4RY, UK. Wildlife Conservation Society, Bronx, NY 10460, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25061195" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Humans
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  • 35
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-06-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2014 Jun 27;344(6191):1470-1. doi: 10.1126/science.344.6191.1470.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24970076" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; *Ecosystem ; Geologic Sediments/*microbiology ; *Natural Gas ; Oil and Gas Fields/*microbiology
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  • 36
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woodroffe, Rosie -- Hedges, Simon -- Durant, Sarah M -- New York, N.Y. -- Science. 2014 Apr 4;344(6179):46-8. doi: 10.1126/science.1246251.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Zoology, Regent's Park, London NW1 4RY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24700847" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Humans
    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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  • 37
    Publication Date: 2014-06-28
    Description: Reef-building in metazoans represents an important ecological innovation whereby individuals collectively enhance feeding efficiency and gain protection from competitors and predation. The appearance of metazoan reefs in the fossil record therefore indicates an adaptive response to complex ecological pressures. In the Nama Group, Namibia, we found evidence of reef-building by the earliest known skeletal metazoan, the globally distributed Cloudina, ~548 million years ago. These Cloudina reefs formed open frameworks without a microbial component but with mutual attachment and cementation between individuals. Orientated growth implies a passive suspension-feeding habit into nutrient-rich currents. The characteristics of Cloudina support the view that metazoan reef-building was promoted by the rise of substrate competitors and predators.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Penny, A M -- Wood, R -- Curtis, A -- Bowyer, F -- Tostevin, R -- Hoffman, K-H -- New York, N.Y. -- Science. 2014 Jun 27;344(6191):1504-6. doi: 10.1126/science.1253393.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of GeoSciences, University of Edinburgh, West Mains Road, Edinburgh EH9 3JW, UK. a.m.penny@ed.ac.uk. ; School of GeoSciences, University of Edinburgh, West Mains Road, Edinburgh EH9 3JW, UK. ; Department of Earth Sciences, University College London, Gower Street, London WC1E 6BT, UK. ; Geological Survey of Namibia, Private Bag 13297, Windhoek, Namibia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24970084" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carbonates ; *Ecosystem ; *Fossils ; Invertebrates/anatomy & histology/*growth & development/physiology ; Namibia ; Predatory Behavior
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  • 38
    Publication Date: 2014-09-23
    Description: Reported trends in the mean and variability of coastal upwelling in eastern boundary currents have raised concerns about the future of these highly productive and biodiverse marine ecosystems. However, the instrumental records on which these estimates are based are insufficiently long to determine whether such trends exceed preindustrial limits. In the California Current, a 576-year reconstruction of climate variables associated with winter upwelling indicates that variability increased over the latter 20th century to levels equaled only twice during the past 600 years. This modern trend in variance may be unique, because it appears to be driven by an unprecedented succession of extreme, downwelling-favorable, winter climate conditions that profoundly reduce productivity for marine predators of commercial and conservation interest.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Black, Bryan A -- Sydeman, William J -- Frank, David C -- Griffin, Daniel -- Stahle, David W -- Garcia-Reyes, Marisol -- Rykaczewski, Ryan R -- Bograd, Steven J -- Peterson, William T -- New York, N.Y. -- Science. 2014 Sep 19;345(6203):1498-502. doi: 10.1126/science.1253209.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Texas Marine Science Institute, 750 Channel View Drive, Port Aransas, TX 78373, USA. bryan.black@utexas.edu. ; Farallon Institute for Advanced Ecosystem Research, 101 H Street, Suite Q, Petaluma, CA 94952, USA. ; Swiss Federal Research Institute WSL, Zurcherstrasse 111, CH-8903 Birmensdorf, Switzerland and Oeschger Centre for Climate Change Research, University of Bern, Zahringerstrasse 25, CH-3012 Bern, Switzerland. ; Department of Geology and Geophysics, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02543, USA. ; Department of Geosciences, University of Arkansas, 216 Ozark Hall, Fayetteville, AR 72701, USA. ; Department of Biological Sciences and Marine Science Program, University of South Carolina, 701 Sumter Street, Columbia, SC 29208, USA. ; Environmental Research Division, Southwest Fisheries Science Center, National Oceanic and Atmospheric Administration (NOAA), 1352 Lighthouse Avenue, Pacific Grove, CA 93950, USA. ; Northwest Fisheries Science Center, Hatfield Marine Science Center, NOAA, 2030 Southeast Marine Science Drive, Newport, OR 97365, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25237100" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquatic Organisms ; Biodiversity ; Climate Change ; *Ecosystem ; Food Chain ; *Oceans and Seas ; Seasons
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  • 39
    Publication Date: 2014-07-06
    Description: In 1990, Andrew Bakun proposed that increasing greenhouse gas concentrations would force intensification of upwelling-favorable winds in eastern boundary current systems that contribute substantial services to society. Because there is considerable disagreement about whether contemporary wind trends support Bakun's hypothesis, we performed a meta-analysis of the literature on upwelling-favorable wind intensification. The preponderance of published analyses suggests that winds have intensified in the California, Benguela, and Humboldt upwelling systems and weakened in the Iberian system over time scales ranging up to 60 years; wind change is equivocal in the Canary system. Stronger intensification signals are observed at higher latitudes, consistent with the warming pattern associated with climate change. Overall, reported changes in coastal winds, although subtle and spatially variable, support Bakun's hypothesis of upwelling intensification in eastern boundary current systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sydeman, W J -- Garcia-Reyes, M -- Schoeman, D S -- Rykaczewski, R R -- Thompson, S A -- Black, B A -- Bograd, S J -- New York, N.Y. -- Science. 2014 Jul 4;345(6192):77-80. doi: 10.1126/science.1251635.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Farallon Institute for Advanced Ecosystem Research, Suite Q, 101 H Street, Petaluma, CA 94952, USA. wsydeman@comcast.net. ; Farallon Institute for Advanced Ecosystem Research, Suite Q, 101 H Street, Petaluma, CA 94952, USA. ; Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Locked Bag 4, Maroochydore DC, Queensland 4558, Australia. ; Department of Biological Sciences and Marine Science Program, University of South Carolina, 701 Sumter Street, Columbia, SC 29208, USA. ; Farallon Institute for Advanced Ecosystem Research, Suite Q, 101 H Street, Petaluma, CA 94952, USA. Climate Impacts Group, University of Washington, Box 355674, Seattle, WA 98195, USA. ; Marine Science Institute, University of Texas, 750 Channel View Drive, Port Aransas, TX 78373, USA. ; Environmental Research Division, National Oceanic and Atmospheric Administration (NOAA) Southwest Fisheries Science Center, 1352 Lighthouse Avenue, Pacific Grove, CA 93950-2097, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24994651" target="_blank"〉PubMed〈/a〉
    Keywords: California ; *Climate Change ; *Ecosystem ; Greenhouse Effect ; *Wind
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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gramling, Carolyn -- New York, N.Y. -- Science. 2014 May 2;344(6183):463. doi: 10.1126/science.344.6183.463.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24786058" target="_blank"〉PubMed〈/a〉
    Keywords: *Aquatic Organisms ; Copper ; *Ecosystem ; Gold ; Mining/*economics ; Papua New Guinea ; *Seawater
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  • 41
    Publication Date: 2014-11-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferreira, J -- Aragao, L E O C -- Barlow, J -- Barreto, P -- Berenguer, E -- Bustamante, M -- Gardner, T A -- Lees, A C -- Lima, A -- Louzada, J -- Pardini, R -- Parry, L -- Peres, C A -- Pompeu, P S -- Tabarelli, M -- Zuanon, J -- New York, N.Y. -- Science. 2014 Nov 7;346(6210):706-7. doi: 10.1126/science.1260194.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉See the supplementary materials for author af liations. joice.ferreira@embrapa.br. ; See the supplementary materials for author af liations.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25378611" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; Brazil ; Conservation of Natural Resources/*trends ; *Ecosystem ; Federal Government ; *Mining ; Risk
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  • 42
    Publication Date: 2014-07-26
    Description: In theoretical ecology, traditional studies based on dynamical stability and numerical simulations have not found a unified answer to the effect of network architecture on community persistence. Here, we introduce a mathematical framework based on the concept of structural stability to explain such a disparity of results. We investigated the range of conditions necessary for the stable coexistence of all species in mutualistic systems. We show that the apparently contradictory conclusions reached by previous studies arise as a consequence of overseeing either the necessary conditions for persistence or its dependence on model parameterization. We show that observed network architectures maximize the range of conditions for species coexistence. We discuss the applicability of structural stability to study other types of interspecific interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rohr, Rudolf P -- Saavedra, Serguei -- Bascompte, Jordi -- New York, N.Y. -- Science. 2014 Jul 25;345(6195):1253497. doi: 10.1126/science.1253497.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrative Ecology Group, Estacion Biologica de Donana-Consejo Superior de Investigaciones Cientificas (EBD-CSIC), Calle Americo Vespucio s/n, E-41092 Sevilla, Spain. Unit of Ecology and Evolution, Department of Biology, University of Fribourg, Chemin du Musee 10, CH-1700 Fribourg, Switzerland. ; Integrative Ecology Group, Estacion Biologica de Donana-Consejo Superior de Investigaciones Cientificas (EBD-CSIC), Calle Americo Vespucio s/n, E-41092 Sevilla, Spain. ; Integrative Ecology Group, Estacion Biologica de Donana-Consejo Superior de Investigaciones Cientificas (EBD-CSIC), Calle Americo Vespucio s/n, E-41092 Sevilla, Spain. bascompte@ebd.csic.es.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25061214" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Computer Simulation ; *Ecosystem ; *Models, Biological ; Plants ; *Symbiosis
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  • 43
    Publication Date: 2014-06-07
    Description: After light-induced nuclear translocation, phytochrome photoreceptors interact with and induce rapid phosphorylation and degradation of basic helix-loop-helix transcription factors, such as PHYTOCHROME-INTERACTING FACTOR 3 (PIF3), to regulate gene expression. Concomitantly, this interaction triggers feedback reduction of phytochrome B (phyB) levels. Light-induced phosphorylation of PIF3 is necessary for the degradation of both proteins. We report that this PIF3 phosphorylation induces, and is necessary for, recruitment of LRB [Light-Response Bric-a-Brack/Tramtrack/Broad (BTB)] E3 ubiquitin ligases to the PIF3-phyB complex. The recruited LRBs promote concurrent polyubiqutination and degradation of both PIF3 and phyB in vivo. These data reveal a linked signal-transmission and attenuation mechanism involving mutually assured destruction of the receptor and its immediate signaling partner.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4414656/" 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/PMC4414656/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ni, Weimin -- Xu, Shou-Ling -- Tepperman, James M -- Stanley, David J -- Maltby, Dave A -- Gross, John D -- Burlingame, Alma L -- Wang, Zhi-Yong -- Quail, Peter H -- 2R01 GM-047475/GM/NIGMS NIH HHS/ -- 5R01GM066258/GM/NIGMS NIH HHS/ -- 8P41GM103481/GM/NIGMS NIH HHS/ -- P41 GM103481/GM/NIGMS NIH HHS/ -- P50 GM082250/GM/NIGMS NIH HHS/ -- R01 GM047475/GM/NIGMS NIH HHS/ -- R01 GM066258/GM/NIGMS NIH HHS/ -- T32 GM008284/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2014 Jun 6;344(6188):1160-4. doi: 10.1126/science.1250778.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant and Microbial Biology, University of California, Berkeley, Berkeley, CA 94720, USA. Plant Gene Expression Center, Agriculture Research Service (ARS), U.S. Department of Agriculture (USDA), Albany, CA 94710, USA. ; Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94143, USA. Department of Plant Biology, Carnegie Institution for Science, Stanford, CA 94305, USA. ; Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94143, USA. ; Department of Plant Biology, Carnegie Institution for Science, Stanford, CA 94305, USA. ; Department of Plant and Microbial Biology, University of California, Berkeley, Berkeley, CA 94720, USA. Plant Gene Expression Center, Agriculture Research Service (ARS), U.S. Department of Agriculture (USDA), Albany, CA 94710, USA. quail@berkeley.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24904166" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Arabidopsis/genetics/*growth & development/metabolism ; Arabidopsis Proteins/genetics/*metabolism ; Basic Helix-Loop-Helix Transcription Factors/genetics/*metabolism ; Cell Nucleus/metabolism ; Cullin Proteins/*metabolism ; Gene Expression Regulation, Plant ; HeLa Cells ; Humans ; *Light Signal Transduction ; Nuclear Proteins/genetics/metabolism ; Phosphorylation ; Phytochrome B/*metabolism ; Polyubiquitin/metabolism ; Proteolysis ; *Ubiquitination
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  • 44
    Publication Date: 2014-03-22
    Description: Biological oscillations are observed at many levels of cellular organization. In the social amoeba Dictyostelium discoideum, starvation-triggered multicellular development is organized by periodic cyclic adenosine 3',5'-monophosphate (cAMP) waves, which provide both chemoattractant gradients and developmental signals. We report that GtaC, a GATA transcription factor, exhibits rapid nucleocytoplasmic shuttling in response to cAMP waves. This behavior requires coordinated action of a nuclear localization signal and reversible G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptor-mediated phosphorylation. Although both are required for developmental gene expression, receptor occupancy promotes nuclear exit of GtaC, which leads to a transient burst of transcription at each cAMP cycle. We demonstrate that this biological circuit filters out high-frequency signals and counts those admitted, thereby enabling cells to modulate gene expression according to the dynamic pattern of the external stimuli.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4061987/" 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/PMC4061987/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cai, Huaqing -- Katoh-Kurasawa, Mariko -- Muramoto, Tetsuya -- Santhanam, Balaji -- Long, Yu -- Li, Lei -- Ueda, Masahiro -- Iglesias, Pablo A -- Shaulsky, Gad -- Devreotes, Peter N -- GM 28007/GM/NIGMS NIH HHS/ -- GM 34933/GM/NIGMS NIH HHS/ -- HD 039691/HD/NICHD NIH HHS/ -- P01 HD039691/HD/NICHD NIH HHS/ -- R01 GM028007/GM/NIGMS NIH HHS/ -- R01 GM034933/GM/NIGMS NIH HHS/ -- R37 GM028007/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2014 Mar 21;343(6177):1249531. doi: 10.1126/science.1249531.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, School of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24653039" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Cell Nucleus/*metabolism ; Cyclic AMP/metabolism/pharmacology ; Cytoplasm/*metabolism ; Dictyostelium/growth & development/*metabolism ; GATA Transcription Factors/chemistry/genetics/*metabolism ; Gene Expression Regulation ; Heterotrimeric GTP-Binding Proteins/metabolism ; Nuclear Localization Signals ; Phosphorylation ; Protozoan Proteins/chemistry/genetics/*metabolism ; Receptors, G-Protein-Coupled/metabolism
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  • 45
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cardinale, Bradley -- New York, N.Y. -- Science. 2014 Jun 6;344(6188):1098. doi: 10.1126/science.344.6188.1098-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48103, USA. bradcard@umich.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24904146" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Birds ; *Ecosystem ; *Fishes ; *Invertebrates ; *Mammals ; *Plants
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  • 46
    Publication Date: 2014-02-01
    Description: Ecologists have long sought to understand the factors controlling the structure of savanna vegetation. Using data from 2154 sites in savannas across Africa, Australia, and South America, we found that increasing moisture availability drives increases in fire and tree basal area, whereas fire reduces tree basal area. However, among continents, the magnitude of these effects varied substantially, so that a single model cannot adequately represent savanna woody biomass across these regions. Historical and environmental differences drive the regional variation in the functional relationships between woody vegetation, fire, and climate. These same differences will determine the regional responses of vegetation to future climates, with implications for global carbon stocks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lehmann, Caroline E R -- Anderson, T Michael -- Sankaran, Mahesh -- Higgins, Steven I -- Archibald, Sally -- Hoffmann, William A -- Hanan, Niall P -- Williams, Richard J -- Fensham, Roderick J -- Felfili, Jeanine -- Hutley, Lindsay B -- Ratnam, Jayashree -- San Jose, Jose -- Montes, Ruben -- Franklin, Don -- Russell-Smith, Jeremy -- Ryan, Casey M -- Durigan, Giselda -- Hiernaux, Pierre -- Haidar, Ricardo -- Bowman, David M J S -- Bond, William J -- New York, N.Y. -- Science. 2014 Jan 31;343(6170):548-52. doi: 10.1126/science.1247355.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Macquarie University, New South Wales 2109, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24482480" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Australia ; *Climate ; *Ecosystem ; *Fires ; Humidity ; Models, Biological ; South America ; *Trees
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  • 47
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pawar, Samraat -- New York, N.Y. -- Science. 2014 Jul 25;345(6195):383. doi: 10.1126/science.1256466.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Life Sciences, Imperial College London, Silwood Park, Ascot, Berkshire SL5 7PY, U K. s.pawar@imperial.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25061191" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; *Models, Biological ; *Symbiosis
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  • 48
    Publication Date: 2014-02-08
    Description: Despite our understanding of actomyosin function in individual migrating cells, we know little about the mechanisms by which actomyosin drives collective cell movement in vertebrate embryos. The collective movements of convergent extension drive both global reorganization of the early embryo and local remodeling during organogenesis. We report here that planar cell polarity (PCP) proteins control convergent extension by exploiting an evolutionarily ancient function of the septin cytoskeleton. By directing septin-mediated compartmentalization of cortical actomyosin, PCP proteins coordinate the specific shortening of mesenchymal cell-cell contacts, which in turn powers cell interdigitation. These data illuminate the interface between developmental signaling systems and the fundamental machinery of cell behavior and should provide insights into the etiology of human birth defects, such as spina bifida and congenital kidney cysts.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4167615/" 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/PMC4167615/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shindo, Asako -- Wallingford, John B -- R01 GM074104/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2014 Feb 7;343(6171):649-52. doi: 10.1126/science.1243126.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and University of Texas at Austin, Austin, TX 78712, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24503851" target="_blank"〉PubMed〈/a〉
    Keywords: Actomyosin/*metabolism ; Animals ; *Cell Movement ; *Cell Polarity ; Embryo, Nonmammalian/cytology/metabolism ; Female ; Gastrula/cytology/metabolism ; Gene Knockdown Techniques ; Humans ; Mesoderm/cytology/metabolism ; Organogenesis ; Phosphorylation ; Septins/genetics/*metabolism ; Xenopus Proteins/genetics/*metabolism ; Xenopus laevis
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  • 49
    Publication Date: 2014-04-05
    Description: Animal migrations span the globe, involving immense numbers of individuals from a wide range of taxa. Migrants transport nutrients, energy, and other organisms as they forage and are preyed upon throughout their journeys. These highly predictable, pulsed movements across large spatial scales render migration a potentially powerful yet underappreciated dimension of biodiversity that is intimately embedded within resident communities. We review examples from across the animal kingdom to distill fundamental processes by which migratory animals influence communities and ecosystems, demonstrating that they can uniquely alter energy flow, food-web topology and stability, trophic cascades, and the structure of metacommunities. Given the potential for migration to alter ecological networks worldwide, we suggest an integrative framework through which community dynamics and ecosystem functioning may explicitly consider animal migrations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bauer, S -- Hoye, B J -- New York, N.Y. -- Science. 2014 Apr 4;344(6179):1242552. doi: 10.1126/science.1242552.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bird Migration, Swiss Ornithological Institute, 6204 Sempach, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24700862" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; *Biodiversity ; *Ecosystem ; Food Chain ; Herbivory ; Parasites/physiology ; Predatory Behavior
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  • 50
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-03-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2014 Mar 21;343(6177):1301. doi: 10.1126/science.343.6177.1301.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24653015" target="_blank"〉PubMed〈/a〉
    Keywords: Colorado ; *Ecosystem ; *Floods ; Groundwater ; Mexico ; *Rivers ; Salinity ; Trees/*growth & development ; United States
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  • 51
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-03-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McNutt, Marcia -- New York, N.Y. -- Science. 2014 Mar 21;343(6177):1289. doi: 10.1126/science.1253412.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marcia McNutt is Editor-in-Chief of Science.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24653006" target="_blank"〉PubMed〈/a〉
    Keywords: Alaska ; *Aquatic Organisms ; *Ecosystem ; Environmental Monitoring ; Environmental Restoration and Remediation ; Gulf of Mexico ; *Petroleum Pollution
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 52
    Publication Date: 2014-06-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kelly, Ryan P -- Port, Jesse A -- Yamahara, Kevan M -- Martone, Rebecca G -- Lowell, Natalie -- Thomsen, Philip Francis -- Mach, Megan E -- Bennett, Meredith -- Prahler, Erin -- Caldwell, Margaret R -- Crowder, Larry B -- New York, N.Y. -- Science. 2014 Jun 27;344(6191):1455-6. doi: 10.1126/science.1251156. Epub 2014 Jun 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Marine and Environmental Affairs, University of Washington, Seattle, WA 98103, USA. Center for Ocean Solutions, Stanford University, Stanford, CA 94305, USA. rpkelly@uw.edu. ; Center for Ocean Solutions, Stanford University, Stanford, CA 94305, USA. ; School of Marine and Environmental Affairs, University of Washington, Seattle, WA 98103, USA. ; Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24970068" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquatic Organisms/genetics ; DNA/*analysis ; Ecological Parameter Monitoring/*methods ; *Ecosystem ; Environmental Monitoring/*methods ; *Environmental Policy/legislation & jurisprudence ; Introduced Species
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 53
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-02-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2014 Jan 31;343(6170):472-3. doi: 10.1126/science.343.6170.472.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24482456" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ants ; Biomass ; Butterflies ; Carnivory ; *Ecosystem ; Male ; *Salts ; *Sodium Chloride ; Soil/*chemistry ; Trees
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  • 54
    Publication Date: 2014-01-18
    Description: Btk29A is the Drosophila ortholog of the mammalian Bruton's tyrosine kinase (Btk), mutations of which in humans cause a heritable immunodeficiency disease. Btk29A mutations stabilized the proliferating cystoblast fate, leading to an ovarian tumor. This phenotype was rescued by overexpression of wild-type Btk29A and phenocopied by the interference of Wnt4-beta-catenin signaling or its putative downstream nuclear protein Piwi in somatic escort cells. Btk29A and mammalian Btk directly phosphorylated tyrosine residues of beta-catenin, leading to the up-regulation of its transcriptional activity. Thus, we identify a transcriptional switch involving the kinase Btk29A/Btk and its phosphorylation target, beta-catenin, which functions downstream of Wnt4 in escort cells to terminate Drosophila germ cell proliferation through up-regulation of piwi expression. This signaling mechanism likely represents a versatile developmental switch.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamada-Kawaguchi, Noriko -- Nore, Beston F -- Kuwada, Yusuke -- Smith, C I Edvard -- Yamamoto, Daisuke -- New York, N.Y. -- Science. 2014 Jan 17;343(6168):294-7. doi: 10.1126/science.1244512.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology and Neurosciences, Tohoku University Graduate School of Life Sciences, Sendai 980-8577, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24436419" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argonaute Proteins/*biosynthesis ; *Cell Proliferation ; DNA Breaks, Double-Stranded ; Drosophila Proteins/*biosynthesis/genetics/*metabolism ; Drosophila melanogaster/genetics/metabolism/*physiology ; Gene Knockdown Techniques ; Genomic Instability ; Germ Cells/cytology/metabolism/*physiology ; Glycoproteins/genetics/*metabolism ; Phosphorylation ; Protein-Tyrosine Kinases/genetics/*metabolism ; RNA, Small Interfering/genetics/metabolism ; Signal Transduction ; Transcription, Genetic ; Tyrosine/genetics/metabolism ; Up-Regulation ; Wnt Proteins/genetics/*metabolism ; beta Catenin/genetics/*metabolism
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  • 55
    Publication Date: 2014-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pfeifer, M -- Packer, C -- Burton, A C -- Garnett, S T -- Loveridge, A J -- MacNulty, D -- Platts, P J -- New York, N.Y. -- Science. 2014 Jul 25;345(6195):389. doi: 10.1126/science.345.6195.389-a. Epub 2014 Jul 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Forest Ecology and Conservation Lab, Department of Life Sciences, Imperial College London, Ascot, SL5 7PY, UK. York Institute for Tropical Ecosystems, Environment Department, University of York, York, YO10 5DD, UK. m.pfeifer@imperial.ac.uk. ; Department of Ecology, Evolution and Behavior, University of Minnesota, St. Paul, MN 55108, USA. ; Alberta Innovates Technology Futures, Victoria, BC V8Z 7X8, Canada. Department of Biology, University of Victoria, Victoria, BC V8W 2Y2, Canada. ; Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, NT 0909, Australia. ; Wildlife Conservation Research Unit, Department of Zoology, Oxford University, Oxford, OX13 5QL, UK. ; Department of Wildland Resources, Utah State University, Logan, UT 84322, USA. ; York Institute for Tropical Ecosystems, Environment Department, University of York, York, YO10 5DD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25061194" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Animals, Wild ; *Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; Humans
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  • 56
    Publication Date: 2014-11-08
    Description: Mitochondria play central roles in cellular energy conversion, metabolism, and apoptosis. Mitochondria import more than 1000 different proteins from the cytosol. It is unknown if the mitochondrial protein import machinery is connected to the cell division cycle. We found that the cyclin-dependent kinase Cdk1 stimulated assembly of the main mitochondrial entry gate, the translocase of the outer membrane (TOM), in mitosis. The molecular mechanism involved phosphorylation of the cytosolic precursor of Tom6 by cyclin Clb3-activated Cdk1, leading to enhanced import of Tom6 into mitochondria. Tom6 phosphorylation promoted assembly of the protein import channel Tom40 and import of fusion proteins, thus stimulating the respiratory activity of mitochondria in mitosis. Tom6 phosphorylation provides a direct means for regulating mitochondrial biogenesis and activity in a cell cycle-specific manner.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harbauer, Angelika B -- Opalinska, Magdalena -- Gerbeth, Carolin -- Herman, Josip S -- Rao, Sanjana -- Schonfisch, Birgit -- Guiard, Bernard -- Schmidt, Oliver -- Pfanner, Nikolaus -- Meisinger, Chris -- New York, N.Y. -- Science. 2014 Nov 28;346(6213):1109-13. doi: 10.1126/science.1261253. Epub 2014 Nov 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Biochemie und Molekularbiologie, ZBMZ, Universitat Freiburg, 79104 Freiburg, Germany. Trinationales Graduiertenkolleg 1478, Universitat Freiburg, 79104 Freiburg, Germany. Faculty of Biology, Universitat Freiburg, 79104 Freiburg, Germany. BIOSS Centre for Biological Signalling Studies, Universitat Freiburg, 79104 Freiburg, Germany. ; Institut fur Biochemie und Molekularbiologie, ZBMZ, Universitat Freiburg, 79104 Freiburg, Germany. ; Institut fur Biochemie und Molekularbiologie, ZBMZ, Universitat Freiburg, 79104 Freiburg, Germany. Trinationales Graduiertenkolleg 1478, Universitat Freiburg, 79104 Freiburg, Germany. Faculty of Biology, Universitat Freiburg, 79104 Freiburg, Germany. ; Institut fur Biochemie und Molekularbiologie, ZBMZ, Universitat Freiburg, 79104 Freiburg, Germany. Faculty of Biology, Universitat Freiburg, 79104 Freiburg, Germany. Spemann Graduate School of Biology and Medicine, Universitat Freiburg, 79104 Freiburg, Germany. ; Centre de Genetique Moleculaire, CNRS, 91190 Gif-sur-Yvette, France. ; Institut fur Biochemie und Molekularbiologie, ZBMZ, Universitat Freiburg, 79104 Freiburg, Germany. BIOSS Centre for Biological Signalling Studies, Universitat Freiburg, 79104 Freiburg, Germany. ; Institut fur Biochemie und Molekularbiologie, ZBMZ, Universitat Freiburg, 79104 Freiburg, Germany. BIOSS Centre for Biological Signalling Studies, Universitat Freiburg, 79104 Freiburg, Germany. nikolaus.pfanner@biochemie.uni-freiburg.de chris.meisinger@biochemie.uni-freiburg.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25378463" target="_blank"〉PubMed〈/a〉
    Keywords: CDC2 Protein Kinase/metabolism ; *Cell Cycle ; Cyclin B/metabolism ; Cytosol/metabolism ; Mitochondria/*metabolism ; Mitochondrial Membrane Transport Proteins/*metabolism ; Phosphorylation ; Protein Precursors/*metabolism ; Protein Transport ; Saccharomyces cerevisiae/*cytology/*metabolism ; Saccharomyces cerevisiae Proteins/*metabolism
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  • 57
    Publication Date: 2014-08-02
    Description: Many RNA regulatory proteins controlling pre-messenger RNA splicing contain serine:arginine (SR) repeats. Here, we found that these SR domains bound hydrogel droplets composed of fibrous polymers of the low-complexity domain of heterogeneous ribonucleoprotein A2 (hnRNPA2). Hydrogel binding was reversed upon phosphorylation of the SR domain by CDC2-like kinases 1 and 2 (CLK1/2). Mutated variants of the SR domains changing serine to glycine (SR-to-GR variants) also bound to hnRNPA2 hydrogels but were not affected by CLK1/2. When expressed in mammalian cells, these variants bound nucleoli. The translation products of the sense and antisense transcripts of the expansion repeats associated with the C9orf72 gene altered in neurodegenerative disease encode GRn and PRn repeat polypeptides. Both peptides bound to hnRNPA2 hydrogels independent of CLK1/2 activity. When applied to cultured cells, both peptides entered cells, migrated to the nucleus, bound nucleoli, and poisoned RNA biogenesis, which caused cell death.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4459787/" 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/PMC4459787/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kwon, Ilmin -- Xiang, Siheng -- Kato, Masato -- Wu, Leeju -- Theodoropoulos, Pano -- Wang, Tao -- Kim, Jiwoong -- Yun, Jonghyun -- Xie, Yang -- McKnight, Steven L -- U01 GM107623/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2014 Sep 5;345(6201):1139-45. doi: 10.1126/science.1254917. Epub 2014 Jul 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, UT Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9152, USA. ; Quantitative Biomedical Research Center, Department of Clinical Sciences, UT Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9152, USA. ; Department of Biochemistry, UT Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9152, USA. steven.mcknight@utsouthwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25081482" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Amyotrophic Lateral Sclerosis/genetics/*metabolism/pathology ; Astrocytes/*metabolism/pathology ; Cell Death ; Cell Nucleolus/*metabolism ; Cells, Cultured ; Dipeptides/genetics/*metabolism/pharmacology ; Frontotemporal Dementia/genetics/*metabolism/pathology ; Glutamate Plasma Membrane Transport Proteins/genetics ; Heterogeneous-Nuclear Ribonucleoprotein Group A-B/*metabolism ; Humans ; Hydrogel ; Phosphorylation ; Protein Biosynthesis ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/metabolism ; Protein-Tyrosine Kinases/metabolism ; Proteins/*genetics ; RNA, Antisense/antagonists & inhibitors/biosynthesis ; RNA, Messenger/antagonists & inhibitors/biosynthesis ; RNA, Ribosomal/antagonists & inhibitors/biosynthesis ; Repetitive Sequences, Amino Acid ; Transcription, Genetic
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  • 58
    Publication Date: 2014-01-25
    Description: Plant cells are immobile; thus, plant growth and development depend on cell expansion rather than cell migration. The molecular mechanism by which the plasma membrane initiates changes in the cell expansion rate remains elusive. We found that a secreted peptide, RALF (rapid alkalinization factor), suppresses cell elongation of the primary root by activating the cell surface receptor FERONIA in Arabidopsis thaliana. A direct peptide-receptor interaction is supported by specific binding of RALF to FERONIA and reduced binding and insensitivity to RALF-induced growth inhibition in feronia mutants. Phosphoproteome measurements demonstrate that the RALF-FERONIA interaction causes phosphorylation of plasma membrane H(+)-adenosine triphosphatase 2 at Ser(899), mediating the inhibition of proton transport. The results reveal a molecular mechanism for RALF-induced extracellular alkalinization and a signaling pathway that regulates cell expansion.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4672726/" 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/PMC4672726/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haruta, Miyoshi -- Sabat, Grzegorz -- Stecker, Kelly -- Minkoff, Benjamin B -- Sussman, Michael R -- 5T32HG002760/HG/NHGRI NIH HHS/ -- U54 GM074901/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2014 Jan 24;343(6169):408-11. doi: 10.1126/science.1244454.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biotechnology Center, University of Wisconsin, Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24458638" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*cytology/metabolism ; Arabidopsis Proteins/*agonists/genetics/*metabolism ; *Cell Enlargement ; Cell Membrane/*enzymology ; Molecular Sequence Data ; Peptide Hormones/genetics/*metabolism ; Phosphorylation ; Phosphotransferases/genetics/metabolism ; Plant Cells/metabolism/physiology ; Plant Roots/cytology/metabolism ; Protein Binding ; Proteome/metabolism ; Proton-Translocating ATPases/*metabolism ; Serine/metabolism
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  • 59
    Publication Date: 2014-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dornelas, Maria -- Gotelli, Nicholas J -- McGill, Brian -- Magurran, Anne E -- New York, N.Y. -- Science. 2014 Jun 6;344(6188):1098-9. doi: 10.1126/science.344.6188.1098-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. Andrews, St. Andrews, Fife, KY16 9TH, UK. maadd@st-andrews.ac.uk. ; Department of Biology, University of Vermont, Burlington, VT 05405, USA. ; School of Biology and Ecology, Sustainability Solutions Initiative, University of Maine, Orono, ME 04469, USA. ; Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. Andrews, St. Andrews, Fife, KY16 9TH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24904147" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Birds ; *Ecosystem ; *Fishes ; *Invertebrates ; *Mammals ; *Plants
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  • 60
    Publication Date: 2014-04-20
    Description: The extent to which biodiversity change in local assemblages contributes to global biodiversity loss is poorly understood. We analyzed 100 time series from biomes across Earth to ask how diversity within assemblages is changing through time. We quantified patterns of temporal alpha diversity, measured as change in local diversity, and temporal beta diversity, measured as change in community composition. Contrary to our expectations, we did not detect systematic loss of alpha diversity. However, community composition changed systematically through time, in excess of predictions from null models. Heterogeneous rates of environmental change, species range shifts associated with climate change, and biotic homogenization may explain the different patterns of temporal alpha and beta diversity. Monitoring and understanding change in species composition should be a conservation priority.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dornelas, Maria -- Gotelli, Nicholas J -- McGill, Brian -- Shimadzu, Hideyasu -- Moyes, Faye -- Sievers, Caya -- Magurran, Anne E -- New York, N.Y. -- Science. 2014 Apr 18;344(6181):296-9. doi: 10.1126/science.1248484.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. Andrews, St. Andrews, Fife KY16 9TH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24744374" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Birds ; *Ecosystem ; Extinction, Biological ; *Fishes ; Introduced Species ; *Invertebrates ; *Mammals ; *Plants ; Population Dynamics ; Time Factors
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  • 61
    Publication Date: 2014-01-11
    Description: Large carnivores face serious threats and are experiencing massive declines in their populations and geographic ranges around the world. We highlight how these threats have affected the conservation status and ecological functioning of the 31 largest mammalian carnivores on Earth. Consistent with theory, empirical studies increasingly show that large carnivores have substantial effects on the structure and function of diverse ecosystems. Significant cascading trophic interactions, mediated by their prey or sympatric mesopredators, arise when some of these carnivores are extirpated from or repatriated to ecosystems. Unexpected effects of trophic cascades on various taxa and processes include changes to bird, mammal, invertebrate, and herpetofauna abundance or richness; subsidies to scavengers; altered disease dynamics; carbon sequestration; modified stream morphology; and crop damage. Promoting tolerance and coexistence with large carnivores is a crucial societal challenge that will ultimately determine the fate of Earth's largest carnivores and all that depends upon them, including humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ripple, William J -- Estes, James A -- Beschta, Robert L -- Wilmers, Christopher C -- Ritchie, Euan G -- Hebblewhite, Mark -- Berger, Joel -- Elmhagen, Bodil -- Letnic, Mike -- Nelson, Michael P -- Schmitz, Oswald J -- Smith, Douglas W -- Wallach, Arian D -- Wirsing, Aaron J -- New York, N.Y. -- Science. 2014 Jan 10;343(6167):1241484. doi: 10.1126/science.1241484.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Trophic Cascades Program, Department of Forest Ecosystems and Society, Oregon State University, Corvallis, OR 97331, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24408439" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carnivora/anatomy & histology/classification/physiology ; *Ecological and Environmental Phenomena ; *Ecosystem ; *Extinction, Biological ; Humans ; Meat Products/statistics & numerical data ; Oceans and Seas ; Plants ; Population Dynamics
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  • 62
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-07-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Law, Kara Lavender -- Thompson, Richard C -- New York, N.Y. -- Science. 2014 Jul 11;345(6193):144-5. doi: 10.1126/science.1254065. Epub 2014 Jul 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oceanography, Sea Education Association, Woods Hole, MA 02543, USA. klavender@sea.edu. ; School of Marine Science and Engineering, Plymouth University, Plymouth PL4 8AA, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25013051" target="_blank"〉PubMed〈/a〉
    Keywords: Aquatic Organisms/*drug effects ; *Ecosystem ; Oceans and Seas ; Particle Size ; Plastics/*toxicity ; *Seawater ; Water Pollutants, Chemical/*toxicity ; Water Pollution, Chemical/*prevention & control
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 63
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chapron, Guillaume -- Lopez-Bao, Jose Vicente -- New York, N.Y. -- Science. 2014 Mar 14;343(6176):1199-200. doi: 10.1126/science.343.6176.1199-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Grimso Wildlife Research Station, Swedish University of Agricultural Sciences, SE-73091 Riddarhyttan, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24626913" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carnivora ; *Ecological and Environmental Phenomena ; *Ecosystem ; *Extinction, Biological ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 64
    Publication Date: 2014-04-20
    Description: Long noncoding RNAs (lncRNAs) play important roles in diverse biological processes; however, few have been identified that regulate immune cell differentiation and function. Here, we identified lnc-DC, which was exclusively expressed in human conventional dendritic cells (DCs). Knockdown of lnc-DC impaired DC differentiation from human monocytes in vitro and from mouse bone marrow cells in vivo and reduced capacity of DCs to stimulate T cell activation. lnc-DC mediated these effects by activating the transcription factor STAT3 (signal transducer and activator of transcription 3). lnc-DC bound directly to STAT3 in the cytoplasm, which promoted STAT3 phosphorylation on tyrosine-705 by preventing STAT3 binding to and dephosphorylation by SHP1. Our work identifies a lncRNA that regulates DC differentiation and also broadens the known mechanisms of lncRNA action.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Pin -- Xue, Yiquan -- Han, Yanmei -- Lin, Li -- Wu, Cong -- Xu, Sheng -- Jiang, Zhengping -- Xu, Junfang -- Liu, Qiuyan -- Cao, Xuetao -- New York, N.Y. -- Science. 2014 Apr 18;344(6181):310-3. doi: 10.1126/science.1251456.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Key Laboratory of Medical Immunology and Institute of Immunology, Second Military Medical University, Shanghai 200433, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24744378" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow Cells/cytology ; Cell Differentiation ; Chromatin/metabolism ; Cytoplasm/metabolism ; Dendritic Cells/*cytology/*immunology/physiology ; Epigenesis, Genetic ; Gene Expression Regulation ; Histones/metabolism ; Humans ; Lymphocyte Activation ; Mice ; Monocytes/cytology ; Nucleic Acid Conformation ; Phosphorylation ; Protein Tyrosine Phosphatase, Non-Receptor Type 6/metabolism ; RNA, Long Noncoding/*metabolism ; STAT3 Transcription Factor/*metabolism ; T-Lymphocytes/immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mace, Georgina M -- New York, N.Y. -- Science. 2014 Sep 26;345(6204):1558-60. doi: 10.1126/science.1254704.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, London WC1E 6BT, UK. g.mace@ucl.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25258063" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; Ecological and Environmental Processes ; *Ecosystem ; Humans
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  • 66
    Publication Date: 2014-03-15
    Description: Innate immunity relies on the perception of pathogen-associated molecular patterns (PAMPs) by pattern-recognition receptors (PRRs) located on the host cell's surface. Many plant PRRs are kinases. Here, we report that the Arabidopsis receptor kinase EF-TU RECEPTOR (EFR), which perceives the elf18 peptide derived from bacterial elongation factor Tu, is activated upon ligand binding by phosphorylation on its tyrosine residues. Phosphorylation of a single tyrosine residue, Y836, is required for activation of EFR and downstream immunity to the phytopathogenic bacterium Pseudomonas syringae. A tyrosine phosphatase, HopAO1, secreted by P. syringae, reduces EFR phosphorylation and prevents subsequent immune responses. Thus, host and pathogen compete to take control of PRR tyrosine phosphorylation used to initiate antibacterial immunity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Macho, Alberto P -- Schwessinger, Benjamin -- Ntoukakis, Vardis -- Brutus, Alexandre -- Segonzac, Cecile -- Roy, Sonali -- Kadota, Yasuhiro -- Oh, Man-Ho -- Sklenar, Jan -- Derbyshire, Paul -- Lozano-Duran, Rosa -- Malinovsky, Frederikke Gro -- Monaghan, Jacqueline -- Menke, Frank L -- Huber, Steven C -- He, Sheng Yang -- Zipfel, Cyril -- BB/G024944/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- R01AI060761/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2014 Mar 28;343(6178):1509-12. doi: 10.1126/science.1248849. Epub 2014 Mar 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Sainsbury Laboratory, Norwich Research Park, Norwich NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24625928" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*immunology/*microbiology ; Arabidopsis Proteins/agonists/*metabolism ; Bacterial Proteins/*metabolism ; Peptide Elongation Factor Tu/*metabolism ; Peptides/metabolism/pharmacology ; Phosphorylation ; Protein Tyrosine Phosphatases/*metabolism ; Pseudomonas syringae/enzymology/*pathogenicity ; Receptors, Pattern Recognition/agonists/*metabolism ; Tyrosine/metabolism
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  • 67
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Machovina, Brian -- Feeley, Kenneth J -- New York, N.Y. -- Science. 2014 Feb 21;343(6173):838. doi: 10.1126/science.343.6173.838-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Florida International University, Miami, FL 33199, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24558143" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carnivora ; *Ecological and Environmental Phenomena ; *Ecosystem ; *Extinction, Biological ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 68
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Servick, Kelly -- New York, N.Y. -- Science. 2014 Feb 21;343(6173):834-7. doi: 10.1126/science.343.6173.834.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24558142" target="_blank"〉PubMed〈/a〉
    Keywords: Acoustics ; Animals ; Computer Systems ; Ecological Parameter Monitoring/*methods ; *Ecosystem ; Software ; *Sound ; *Vocalization, Animal
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alexander, Kathleen A -- Sanderson, Claire E -- New York, N.Y. -- Science. 2014 Mar 14;343(6176):1199. doi: 10.1126/science.343.6176.1199-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Fisheries and Wildlife Conservation, Virginia Tech University, Blacksburg, VA 24061, USA and CARACAL, Centre for Conservation of African Resources: Animals, Communities, and Land Use, Kasane, Botswana.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24626912" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carnivora ; *Ecological and Environmental Phenomena ; *Ecosystem ; *Extinction, Biological ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 70
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2014-04-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pandolfi, John M -- Lovelock, Catherine E -- New York, N.Y. -- Science. 2014 Apr 18;344(6181):266-7. doi: 10.1126/science.1252963.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, ARC Centre of Excellence for Coral Reef Studies, University of Queensland, St. Lucia, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24744366" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Birds ; *Ecosystem ; *Fishes ; *Invertebrates ; *Mammals ; *Plants
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 71
    Publication Date: 2013-08-10
    Description: Numerous volatile organic compounds (VOCs) exist in Earth's atmosphere, most of which originate from biogenic emissions. Despite VOCs' critical role in tropospheric chemistry, studies for evaluating their atmosphere-ecosystem exchange (emission and deposition) have been limited to a few dominant compounds owing to a lack of appropriate measurement techniques. Using a high-mass resolution proton transfer reaction-time of flight-mass spectrometer and an absolute value eddy-covariance method, we directly measured 186 organic ions with net deposition, and 494 that have bidirectional flux. This observation of active atmosphere-ecosystem exchange of the vast majority of detected VOCs poses a challenge to current emission, air quality, and global climate models, which do not account for this extremely large range of compounds. This observation also provides new insight for understanding the atmospheric VOC budget.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Park, J-H -- Goldstein, A H -- Timkovsky, J -- Fares, S -- Weber, R -- Karlik, J -- Holzinger, R -- New York, N.Y. -- Science. 2013 Aug 9;341(6146):643-7. doi: 10.1126/science.1235053.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Science, Policy, and Management, University of California at Berkeley, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23929979" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere/*chemistry ; *Ecosystem ; Mass Spectrometry ; Ozone/analysis/chemistry ; Plants/chemistry ; Volatile Organic Compounds/analysis/*chemistry
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aspinall, Richard -- Gregory, Peter -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):421. doi: 10.1126/science.342.6157.421-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159029" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Climate Change ; *Conservation of Natural Resources ; *Decision Support Techniques ; *Ecosystem ; *Models, Economic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 73
    Publication Date: 2013-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pedaste, Margus -- de Jong, Ton -- Sarapuu, Tago -- Piksoot, Jaanika -- van Joolingen, Wouter R -- Giemza, Adam -- New York, N.Y. -- Science. 2013 Jun 28;340(6140):1537-8. doi: 10.1126/science.1229908.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Tartu, 50103 Tartu, Estonia. margus.pedaste@ut.ee〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23812708" target="_blank"〉PubMed〈/a〉
    Keywords: Ecology/*education ; *Ecosystem ; Estonia ; Germany ; Netherlands ; Problem-Based Learning/*methods ; Research Design ; *Software
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 74
    Publication Date: 2013-04-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Austin, A T -- Bustamante, M M C -- Nardoto, G B -- Mitre, S K -- Perez, T -- Ometto, J P H B -- Ascarrunz, N L -- Forti, M C -- Longo, K -- Gavito, M E -- Enrich-Prast, A -- Martinelli, L A -- New York, N.Y. -- Science. 2013 Apr 12;340(6129):149. doi: 10.1126/science.1231679.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universidad de Buenos Aires, IFEVA-CONICET, Buenos Aires, Argentina.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23580515" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Biomass ; *Conservation of Natural Resources ; *Ecosystem ; *Environment ; Human Activities ; Humans ; Latin America ; Nitrogen ; *Nitrogen Cycle ; Politics ; Public Health ; Public Policy
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  • 75
    Publication Date: 2013-04-27
    Description: Senescent and damaged mitochondria undergo selective mitophagic elimination through mechanisms requiring two Parkinson's disease factors, the mitochondrial kinase PINK1 (PTEN-induced putative kinase protein 1; PTEN is phosphatase and tensin homolog) and the cytosolic ubiquitin ligase Parkin. The nature of the PINK-Parkin interaction and the identity of key factors directing Parkin to damaged mitochondria are unknown. We show that the mitochondrial outer membrane guanosine triphosphatase mitofusin (Mfn) 2 mediates Parkin recruitment to damaged mitochondria. Parkin bound to Mfn2 in a PINK1-dependent manner; PINK1 phosphorylated Mfn2 and promoted its Parkin-mediated ubiqitination. Ablation of Mfn2 in mouse cardiac myocytes prevented depolarization-induced translocation of Parkin to the mitochondria and suppressed mitophagy. Accumulation of morphologically and functionally abnormal mitochondria induced respiratory dysfunction in Mfn2-deficient mouse embryonic fibroblasts and cardiomyocytes and in Parkin-deficient Drosophila heart tubes, causing dilated cardiomyopathy. Thus, Mfn2 functions as a mitochondrial receptor for Parkin and is required for quality control of cardiac mitochondria.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3774525/" 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/PMC3774525/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Yun -- Dorn, Gerald W 2nd -- R01 HL059888/HL/NHLBI NIH HHS/ -- R21 HL107276/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2013 Apr 26;340(6131):471-5. doi: 10.1126/science.1231031.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Pharmacogenomics, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23620051" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Autophagy ; Cardiomyopathies/enzymology ; Drosophila melanogaster ; Fibroblasts/ultrastructure ; GTP Phosphohydrolases/genetics/*metabolism ; HEK293 Cells ; Humans ; Mice ; Mice, Mutant Strains ; Mitochondria/enzymology ; Mitochondria, Heart/*enzymology ; Molecular Sequence Data ; Myocytes, Cardiac/*enzymology/ultrastructure ; Phosphorylation ; Protein Kinases/*metabolism ; Ubiquitin-Protein Ligases/*metabolism ; Ubiquitination
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  • 76
    Publication Date: 2013-08-03
    Description: The future impacts of anthropogenic global change on marine ecosystems are highly uncertain, but insights can be gained from past intervals of high atmospheric carbon dioxide partial pressure. The long-term geological record reveals an early Cenozoic warm climate that supported smaller polar ecosystems, few coral-algal reefs, expanded shallow-water platforms, longer food chains with less energy for top predators, and a less oxygenated ocean than today. The closest analogs for our likely future are climate transients, 10,000 to 200,000 years in duration, that occurred during the long early Cenozoic interval of elevated warmth. Although the future ocean will begin to resemble the past greenhouse world, it will retain elements of the present "icehouse" world long into the future. Changing temperatures and ocean acidification, together with rising sea level and shifts in ocean productivity, will keep marine ecosystems in a state of continuous change for 100,000 years.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Norris, R D -- Turner, S Kirtland -- Hull, P M -- Ridgwell, A -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):492-8. doi: 10.1126/science.1240543.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093, USA. rnorris@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908226" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Climate Change/history ; *Ecosystem ; Greenhouse Effect ; History, Ancient ; *Oceans and Seas ; *Seawater ; Temperature ; Tidal Waves ; Vertebrates
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  • 77
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-09-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fung, Inez -- New York, N.Y. -- Science. 2013 Sep 6;341(6150):1075-6. doi: 10.1126/science.1242004.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Berkeley, Berkeley, CA 94720-4767, USA. ifung@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24009383" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere/*chemistry ; *Carbon Cycle ; Carbon Dioxide/*chemistry ; *Ecosystem ; *Trees
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Obst, Carl -- Edens, Bram -- Hein, Lars -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):420. doi: 10.1126/science.342.6157.420-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Melbourne Sustainable Society Institute, University of Melbourne, Victoria, 3010 Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159027" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Climate Change ; *Conservation of Natural Resources ; *Decision Support Techniques ; *Ecosystem ; *Models, Economic
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chown, S L -- New York, N.Y. -- Science. 2013 Jan 11;339(6116):141. doi: 10.1126/science.339.6116.141-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23307721" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; *Ecosystem ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 80
    Publication Date: 2013-01-19
    Description: A paper by Wearn et al. (Reports, 13 July 2012, p. 228) yields new insights on extinction debt. However, it leaves out the area dependence of the relaxation process. We show that this is not warranted on theoretical or observational grounds and that it may lead to erroneous conservation recommendations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Halley, John M -- Iwasa, Yoh -- Vokou, Despoina -- New York, N.Y. -- Science. 2013 Jan 18;339(6117):271. doi: 10.1126/science.1231438.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Applications and Technology, University of Ioannina, Ioannina, Greece. jhalley@cc.uoi.gr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23329033" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; *Ecosystem ; *Extinction, Biological ; *Trees ; *Vertebrates
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Belgrano, Andrea -- Fowler, Charles W -- New York, N.Y. -- Science. 2013 Dec 6;342(6163):1176-7. doi: 10.1126/science.1245490.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Marine Research, Turistgatan 5, SE-453 30 Lysekil, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24311669" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Size ; Conservation of Natural Resources ; *Ecosystem ; *Fisheries/methods ; Fishes/anatomy & histology/*genetics/growth & development ; Phenotype ; Population Dynamics
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  • 82
    Publication Date: 2013-01-26
    Description: Signaling pathways can induce different dynamics of transcription factor (TF) activation. We explored how TFs process signaling inputs to generate diverse dynamic responses. The budding yeast general stress-responsive TF Msn2 acted as a tunable signal processor that could track, filter, or integrate signals in an input-dependent manner. This tunable signal processing appears to originate from dual regulation of both nuclear import and export by phosphorylation, as mutants with one form of regulation sustained only one signal-processing function. Versatile signal processing by Msn2 is crucial for generating distinct dynamic responses to different natural stresses. Our findings reveal how complex signal-processing functions are integrated into a single molecule and provide a guide for the design of TFs with "programmable" signal-processing functions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3746486/" 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/PMC3746486/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hao, Nan -- Budnik, Bogdan A -- Gunawardena, Jeremy -- O'Shea, Erin K -- R01 GM081578/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Jan 25;339(6118):460-4. doi: 10.1126/science.1227299.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard University Faculty of Arts and Sciences Center for Systems Biology, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23349292" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Cell Nucleus/*metabolism ; Cyclic AMP-Dependent Protein Kinases/antagonists & inhibitors/genetics/metabolism ; Cytoplasm/metabolism ; DNA-Binding Proteins/*metabolism ; Models, Biological ; Nuclear Export Signals ; Nuclear Localization Signals ; Osmotic Pressure ; Oxidative Stress ; Phosphorylation ; Proteins/pharmacology ; Saccharomyces cerevisiae/genetics/*metabolism ; Saccharomyces cerevisiae Proteins/*metabolism ; *Signal Transduction ; Stress, Physiological ; Transcription Factors/*metabolism
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  • 83
    Publication Date: 2013-06-08
    Description: Phosphatase and tensin homolog on chromosome ten (PTEN) is a tumor suppressor and an antagonist of the phosphoinositide-3 kinase (PI3K) pathway. We identified a 576-amino acid translational variant of PTEN, termed PTEN-Long, that arises from an alternative translation start site 519 base pairs upstream of the ATG initiation sequence, adding 173 N-terminal amino acids to the normal PTEN open reading frame. PTEN-Long is a membrane-permeable lipid phosphatase that is secreted from cells and can enter other cells. As an exogenous agent, PTEN-Long antagonized PI3K signaling and induced tumor cell death in vitro and in vivo. By providing a means to restore a functional tumor-suppressor protein to tumor cells, PTEN-Long may have therapeutic uses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3935617/" 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/PMC3935617/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hopkins, Benjamin D -- Fine, Barry -- Steinbach, Nicole -- Dendy, Meaghan -- Rapp, Zachary -- Shaw, Jacquelyn -- Pappas, Kyrie -- Yu, Jennifer S -- Hodakoski, Cindy -- Mense, Sarah -- Klein, Joshua -- Pegno, Sarah -- Sulis, Maria-Luisa -- Goldstein, Hannah -- Amendolara, Benjamin -- Lei, Liang -- Maurer, Matthew -- Bruce, Jeffrey -- Canoll, Peter -- Hibshoosh, Hanina -- Parsons, Ramon -- 2T32 CA09503/CA/NCI NIH HHS/ -- CA082783/CA/NCI NIH HHS/ -- CA097403/CA/NCI NIH HHS/ -- P01 CA097403/CA/NCI NIH HHS/ -- R01 CA082783/CA/NCI NIH HHS/ -- R01 CA155117/CA/NCI NIH HHS/ -- R01 NS066955/NS/NINDS NIH HHS/ -- R01 NS073610/NS/NINDS NIH HHS/ -- R01NS066955/NS/NINDS NIH HHS/ -- T32 CA009503/CA/NCI NIH HHS/ -- T32 GM008224/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):399-402. doi: 10.1126/science.1234907. Epub 2013 Jun 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, 1470 Madison Avenue, New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23744781" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line, Tumor ; *Cell Survival ; Embryonic Stem Cells ; Glioblastoma/drug therapy/metabolism/pathology ; HEK293 Cells ; Humans ; Mice ; Mice, Nude ; Molecular Sequence Data ; Mutation ; PTEN Phosphohydrolase/*chemistry/genetics/*metabolism/pharmacology ; Peptide Chain Initiation, Translational ; Phosphatidylinositol 3-Kinase/*metabolism ; Phosphorylation ; Proto-Oncogene Proteins c-akt/metabolism ; RNA, Messenger/genetics/metabolism ; *Signal Transduction/drug effects ; Xenograft Model Antitumor Assays
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 84
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2013 Dec 6;342(6163):1166-7. doi: 10.1126/science.342.6163.1166.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24311659" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal ; *Colubridae/physiology ; *Ecosystem ; Female ; Guam ; *Introduced Species ; Male ; Mice ; Pest Control ; Population Density
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  • 85
    Publication Date: 2013-01-12
    Description: DNA double-strand breaks (DSBs) represent a threat to the genome because they can lead to the loss of genetic information and chromosome rearrangements. The DNA repair protein p53 binding protein 1 (53BP1) protects the genome by limiting nucleolytic processing of DSBs by a mechanism that requires its phosphorylation, but whether 53BP1 does so directly is not known. Here, we identify Rap1-interacting factor 1 (Rif1) as an ATM (ataxia-telangiectasia mutated) phosphorylation-dependent interactor of 53BP1 and show that absence of Rif1 results in 5'-3' DNA-end resection in mice. Consistent with enhanced DNA resection, Rif1 deficiency impairs DNA repair in the G(1) and S phases of the cell cycle, interferes with class switch recombination in B lymphocytes, and leads to accumulation of chromosome DSBs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3815530/" 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/PMC3815530/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Virgilio, Michela -- Callen, Elsa -- Yamane, Arito -- Zhang, Wenzhu -- Jankovic, Mila -- Gitlin, Alexander D -- Feldhahn, Niklas -- Resch, Wolfgang -- Oliveira, Thiago Y -- Chait, Brian T -- Nussenzweig, Andre -- Casellas, Rafael -- Robbiani, Davide F -- Nussenzweig, Michel C -- AI037526/AI/NIAID NIH HHS/ -- GM007739/GM/NIGMS NIH HHS/ -- GM103314/GM/NIGMS NIH HHS/ -- R01 AI037526/AI/NIAID NIH HHS/ -- RR00862/RR/NCRR NIH HHS/ -- RR022220/RR/NCRR NIH HHS/ -- Howard Hughes Medical Institute/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 Feb 8;339(6120):711-5. doi: 10.1126/science.1230624. Epub 2013 Jan 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23306439" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ataxia Telangiectasia Mutated Proteins ; B-Lymphocytes/immunology/metabolism ; Cell Cycle Proteins/antagonists & inhibitors/metabolism ; Cells, Cultured ; Chromosomal Proteins, Non-Histone/*metabolism ; DNA/*metabolism ; *DNA Breaks, Double-Stranded ; DNA Repair ; DNA-Binding Proteins/antagonists & inhibitors/*metabolism ; G1 Phase ; G2 Phase ; Genomic Instability ; *Immunoglobulin Class Switching ; Mice ; Phosphorylation ; Protein-Serine-Threonine Kinases/antagonists & inhibitors/metabolism ; S Phase ; Telomere-Binding Proteins/*metabolism ; Tumor Suppressor Proteins/antagonists & inhibitors/metabolism
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  • 86
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-02-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2013 Feb 8;339(6120):636-7. doi: 10.1126/science.339.6120.636.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23393236" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; Extraction and Processing Industry/economics ; Gulf of Mexico ; Organizations, Nonprofit/economics ; Petroleum ; *Petroleum Pollution/adverse effects/analysis/economics ; Research ; *Research Support as Topic
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  • 87
    Publication Date: 2013-02-16
    Description: Casein kinase 1 (CK1) members play key roles in numerous biological processes. They are considered "rogue" kinases, because their enzymatic activity appears unregulated. Contrary to this notion, we have identified the DEAD-box RNA helicase DDX3 as a regulator of the Wnt-beta-catenin network, where it acts as a regulatory subunit of CK1epsilon: In a Wnt-dependent manner, DDX3 binds CK1epsilon and directly stimulates its kinase activity, and promotes phosphorylation of the scaffold protein dishevelled. DDX3 is required for Wnt-beta-catenin signaling in mammalian cells and during Xenopus and Caenorhabditis elegans development. The results also suggest that the kinase-stimulatory function extends to other DDX and CK1 members, opening fresh perspectives for one of the longest-studied protein kinase families.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cruciat, Cristina-Maria -- Dolde, Christine -- de Groot, Reinoud E A -- Ohkawara, Bisei -- Reinhard, Carmen -- Korswagen, Hendrik C -- Niehrs, Christof -- New York, N.Y. -- Science. 2013 Mar 22;339(6126):1436-41. doi: 10.1126/science.1231499. Epub 2013 Feb 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Embryology, DKFZ-ZMBH Alliance, Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 280, D-69120 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23413191" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/metabolism ; Animals ; Caenorhabditis elegans/genetics/growth & development/metabolism ; Caenorhabditis elegans Proteins/genetics/metabolism ; Casein Kinase Iepsilon/chemistry/*metabolism ; DEAD-box RNA Helicases/chemistry/genetics/*metabolism ; HEK293 Cells ; Humans ; Phosphoproteins/metabolism ; Phosphorylation ; Protein Binding ; Protein Structure, Tertiary ; RNA Helicases/chemistry/genetics/*metabolism ; Wnt Proteins/metabolism ; *Wnt Signaling Pathway ; Xenopus/embryology/genetics/metabolism ; Xenopus Proteins/chemistry/genetics/*metabolism ; beta Catenin/metabolism
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  • 88
    Publication Date: 2013-08-21
    Description: During the past 50 years, the human population has more than doubled and global agricultural production has similarly risen. However, the productive arable area has increased by just 10%; thus the increased use of pesticides has been a consequence of the demands of human population growth, and its impact has reached global significance. Although we often know a pesticide's mode of action in the target species, we still largely do not understand the full impact of unintended side effects on wildlife, particularly at higher levels of biological organization: populations, communities, and ecosystems. In these times of regional and global species declines, we are challenged with the task of causally linking knowledge about the molecular actions of pesticides to their possible interference with biological processes, in order to develop reliable predictions about the consequences of pesticide use, and misuse, in a rapidly changing world.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kohler, Heinz-R -- Triebskorn, Rita -- New York, N.Y. -- Science. 2013 Aug 16;341(6147):759-65. doi: 10.1126/science.1237591.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Animal Physiological Ecology, Institute of Evolution and Ecology, University of Tubingen, Tubingen, Germany. heinz-r.koehler@uni-tuebingen.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23950533" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; *Animals, Wild ; Aquatic Organisms ; Biological Evolution ; *Ecosystem ; Ecotoxicology/methods/trends ; Food Chain ; Humans ; Pesticides/*toxicity ; Population Dynamics ; Research
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  • 89
    Publication Date: 2013-02-02
    Description: Receptor-interacting protein kinase 4 (RIPK4) is required for epidermal differentiation and is mutated in Bartsocas-Papas syndrome. RIPK4 binds to protein kinase C, but its signaling mechanisms are largely unknown. Ectopic RIPK4, but not catalytically inactive or Bartsocas-Papas RIPK4 mutants, induced accumulation of cytosolic beta-catenin and a transcriptional program similar to that caused by Wnt3a. In Xenopus embryos, Ripk4 synergized with coexpressed Xwnt8, whereas Ripk4 morpholinos or catalytic inactive Ripk4 antagonized Wnt signaling. RIPK4 interacted constitutively with the adaptor protein DVL2 and, after Wnt3a stimulation, with the co-receptor LRP6. Phosphorylation of DVL2 by RIPK4 favored canonical Wnt signaling. Wnt-dependent growth of xenografted human tumor cells was suppressed by RIPK4 knockdown, suggesting that RIPK4 overexpression may contribute to the growth of certain tumor types.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4094295/" 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/PMC4094295/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, XiaoDong -- McGann, James C -- Liu, Bob Y -- Hannoush, Rami N -- Lill, Jennie R -- Pham, Victoria -- Newton, Kim -- Kakunda, Michael -- Liu, Jinfeng -- Yu, Christine -- Hymowitz, Sarah G -- Hongo, Jo-Anne -- Wynshaw-Boris, Anthony -- Polakis, Paul -- Harland, Richard M -- Dixit, Vishva M -- R01 GM042341/GM/NIGMS NIH HHS/ -- R01 NS073159/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2013 Mar 22;339(6126):1441-5. doi: 10.1126/science.1232253. Epub 2013 Jan 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiological Chemistry, Genentech, 1 DNA Way, South San Francisco, CA 94080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23371553" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/*metabolism ; Animals ; Cell Line ; Cell Line, Tumor ; Cytosol/metabolism ; Female ; Gene Knockdown Techniques ; HEK293 Cells ; Humans ; Low Density Lipoprotein Receptor-Related Protein-6/metabolism ; Neoplasm Transplantation ; Neoplasms/metabolism ; Ovarian Neoplasms/metabolism ; Phosphoproteins/*metabolism ; Phosphorylation ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; Transplantation, Heterologous ; *Wnt Signaling Pathway ; Wnt3A Protein/metabolism ; Xenopus Proteins/genetics/*metabolism ; Xenopus laevis/embryology/metabolism ; beta Catenin/metabolism
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  • 90
    Publication Date: 2013-02-09
    Description: Mass extinctions manifest in Earth's geologic record were turning points in biotic evolution. We present (40)Ar/(39)Ar data that establish synchrony between the Cretaceous-Paleogene boundary and associated mass extinctions with the Chicxulub bolide impact to within 32,000 years. Perturbation of the atmospheric carbon cycle at the boundary likely lasted less than 5000 years, exhibiting a recovery time scale two to three orders of magnitude shorter than that of the major ocean basins. Low-diversity mammalian fauna in the western Williston Basin persisted for as little as 20,000 years after the impact. The Chicxulub impact likely triggered a state shift of ecosystems already under near-critical stress.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Renne, Paul R -- Deino, Alan L -- Hilgen, Frederik J -- Kuiper, Klaudia F -- Mark, Darren F -- Mitchell, William S 3rd -- Morgan, Leah E -- Mundil, Roland -- Smit, Jan -- New York, N.Y. -- Science. 2013 Feb 8;339(6120):684-7. doi: 10.1126/science.1230492.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, USA. prenne@bgc.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23393261" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argon ; Chronology as Topic ; *Ecosystem ; *Extinction, Biological ; Geologic Sediments ; Mammals ; Mexico ; *Minor Planets ; Radioisotopes ; Radiometric Dating
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  • 91
    Publication Date: 2013-04-13
    Description: Scaffold-assisted signaling cascades guide cellular decision-making. In budding yeast, one such signal transduction pathway called the mitotic exit network (MEN) governs the transition from mitosis to the G1 phase of the cell cycle. The MEN is conserved and in metazoans is known as the Hippo tumor-suppressor pathway. We found that signaling through the MEN kinase cascade was mediated by an unusual two-step process. The MEN kinase Cdc15 first phosphorylated the scaffold Nud1. This created a phospho-docking site on Nud1, to which the effector kinase complex Dbf2-Mob1 bound through a phosphoserine-threonine binding domain, in order to be activated by Cdc15. This mechanism of pathway activation has implications for signal transmission through other kinase cascades and might represent a general principle in scaffold-assisted signaling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3884217/" 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/PMC3884217/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rock, Jeremy M -- Lim, Daniel -- Stach, Lasse -- Ogrodowicz, Roksana W -- Keck, Jamie M -- Jones, Michele H -- Wong, Catherine C L -- Yates, John R 3rd -- Winey, Mark -- Smerdon, Stephen J -- Yaffe, Michael B -- Amon, Angelika -- CA112967/CA/NCI NIH HHS/ -- ES015339/ES/NIEHS NIH HHS/ -- F32 GM086038/GM/NIGMS NIH HHS/ -- GM056800/GM/NIGMS NIH HHS/ -- GM51312/GM/NIGMS NIH HHS/ -- MC_U117584228/Medical Research Council/United Kingdom -- P30 CA014051/CA/NCI NIH HHS/ -- P41 GM103533/GM/NIGMS NIH HHS/ -- P41 RR011823/RR/NCRR NIH HHS/ -- R01 ES015339/ES/NIEHS NIH HHS/ -- R01 GM051312/GM/NIGMS NIH HHS/ -- R01 GM056800/GM/NIGMS NIH HHS/ -- R29 GM056800/GM/NIGMS NIH HHS/ -- U117584228/Medical Research Council/United Kingdom -- U54 CA112967/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 May 17;340(6134):871-5. doi: 10.1126/science.1235822. Epub 2013 Apr 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉David H. Koch Institute for Integrative Cancer Research, 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/23579499" target="_blank"〉PubMed〈/a〉
    Keywords: Anaphase ; Cell Cycle Proteins/chemistry/*metabolism ; Deoxyribonucleases/chemistry/*metabolism ; Enzyme Activation ; GTP-Binding Proteins/*metabolism ; *Mitosis ; Phosphoproteins/chemistry/*metabolism ; Phosphorylation ; Protein Conformation ; Protein-Serine-Threonine Kinases/*metabolism ; Saccharomyces cerevisiae/cytology/*metabolism ; Saccharomyces cerevisiae Proteins/chemistry/*metabolism ; Signal Transduction ; tRNA Methyltransferases/chemistry/*metabolism
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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-02-23
    Description: Shallow groundwater affects terrestrial ecosystems by sustaining river base-flow and root-zone soil water in the absence of rain, but little is known about the global patterns of water table depth and where it provides vital support for land ecosystems. We present global observations of water table depth compiled from government archives and literature, and fill in data gaps and infer patterns and processes using a groundwater model forced by modern climate, terrain, and sea level. Patterns in water table depth explain patterns in wetlands at the global scale and vegetation gradients at regional and local scales. Overall, shallow groundwater influences 22 to 32% of global land area, including ~15% as groundwater-fed surface water features and 7 to 17% with the water table or its capillary fringe within plant rooting depths.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fan, Y -- Li, H -- Miguez-Macho, G -- New York, N.Y. -- Science. 2013 Feb 22;339(6122):940-3. doi: 10.1126/science.1229881.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Planetary Sciences, Rutgers University, New Brunswick, NJ 08854, USA. yingfan@rci.rutgers.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23430651" target="_blank"〉PubMed〈/a〉
    Keywords: Climate ; *Ecosystem ; Geography ; *Groundwater ; Models, Theoretical ; Plants ; Rain ; Rivers ; Wetlands
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lindenmayer, David B -- Possingham, Hugh P -- New York, N.Y. -- Science. 2013 May 10;340(6133):680. doi: 10.1126/science.340.6133.680-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23661738" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; *Endangered Species ; *Extinction, Biological ; Mining ; *Phalangeridae ; Victoria
    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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  • 94
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-02-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palike, Heiko -- New York, N.Y. -- Science. 2013 Feb 8;339(6120):655-6. doi: 10.1126/science.1233948.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MARUM-Center for Marine Environmental Sciences, University of Bremen, Leobener Strasse, 28359 Bremen, Germany. hpaelike@marum.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23393253" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ecosystem ; *Extinction, Biological ; *Minor Planets
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
    Publication Date: 2013-09-04
    Description: Halley et al. purport to show a power-law relationship between fragment size and relaxation rates. We use a much more extensive data set to show that area dependence of relaxation rates exists only for very small fragment sizes (〈60 hectares), which has limited relevance for our analyses conducted using 250,000-hectare grid squares. We also show that the example of Halley et al. is based on an unrealistic fragmentation model with an infinite number of fragments that have average size of zero hectares. A more realistic formulation of the model shows that relaxation is much less dependent on fragmentation than Halley et al. present.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wearn, Oliver R -- Reuman, Daniel C -- Ewers, Robert M -- New York, N.Y. -- Science. 2013 Jan 18;339(6117):271. doi: 10.1126/science.1231618.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Imperial College London, Silwood Park, Ascot SL5 7PY, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23329034" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Conservation of Natural Resources ; *Ecosystem ; *Extinction, Biological ; *Trees ; *Vertebrates
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
    Publication Date: 2013-11-16
    Description: The microtubule-based mitotic spindle segregates chromosomes during cell division. During chromosome segregation, the centromeric regions of chromosomes build kinetochores that establish end-coupled attachments to spindle microtubules. Here, we used the Caenorhabditis elegans embryo as a model system to examine the crosstalk between two kinetochore protein complexes implicated in temporally distinct stages of attachment formation. The kinetochore dynein module, which mediates initial lateral microtubule capture, inhibited microtubule binding by the Ndc80 complex, which ultimately forms the end-coupled attachments that segregate chromosomes. The kinetochore dynein module directly regulated Ndc80, independently of phosphorylation by Aurora B kinase, and this regulation was required for accurate segregation. Thus, the conversion from initial dynein-mediated, lateral attachments to correctly oriented, Ndc80-mediated end-coupled attachments is actively controlled.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3885540/" 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/PMC3885540/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheerambathur, Dhanya K -- Gassmann, Reto -- Cook, Brian -- Oegema, Karen -- Desai, Arshad -- GM074215/GM/NIGMS NIH HHS/ -- R01 GM074215/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Dec 6;342(6163):1239-42. doi: 10.1126/science.1246232. Epub 2013 Nov 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ludwig Institute for Cancer Research, Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24231804" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Animals ; Aurora Kinase B/metabolism ; Caenorhabditis elegans/embryology ; Caenorhabditis elegans Proteins/chemistry/genetics/*metabolism ; Cell Cycle Proteins/chemistry/genetics/metabolism ; *Chromosome Segregation ; Dyneins/*metabolism ; Embryo, Nonmammalian/metabolism ; Kinetochores/*metabolism ; Microtubule-Associated Proteins/genetics/*metabolism ; Microtubules/*metabolism ; Multiprotein Complexes/metabolism ; Phenotype ; Phosphorylation ; Protein Binding ; Spindle Apparatus/*metabolism ; Transgenes
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-05-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, Dennis -- New York, N.Y. -- Science. 2013 May 3;340(6132):546-7. doi: 10.1126/science.340.6132.546.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23641089" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquaculture ; *Aquatic Organisms ; *Bays ; *Earthquakes ; *Ecosystem ; Fisheries ; Geologic Sediments ; Japan ; Pacific Ocean ; *Tsunamis
    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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  • 98
    Publication Date: 2013-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graham, Andrea -- Ferrier, Helen -- Mitchell, Diane -- Jones, Ceris -- Bicknell, Philip -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):420-1. doi: 10.1126/science.342.6157.420-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Policy Services, Agriculture House, National Farmers' Union, Stoneleigh, Warwickshire, CV82TZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159028" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Climate Change ; *Conservation of Natural Resources ; *Decision Support Techniques ; *Ecosystem ; *Models, Economic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
    Publication Date: 2013-08-10
    Description: Seasonal variations of atmospheric carbon dioxide (CO2) in the Northern Hemisphere have increased since the 1950s, but sparse observations have prevented a clear assessment of the patterns of long-term change and the underlying mechanisms. We compare recent aircraft-based observations of CO2 above the North Pacific and Arctic Oceans to earlier data from 1958 to 1961 and find that the seasonal amplitude at altitudes of 3 to 6 km increased by 50% for 45 degrees to 90 degrees N but by less than 25% for 10 degrees to 45 degrees N. An increase of 30 to 60% in the seasonal exchange of CO2 by northern extratropical land ecosystems, focused on boreal forests, is implicated, substantially more than simulated by current land ecosystem models. The observations appear to signal large ecological changes in northern forests and a major shift in the global carbon cycle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graven, H D -- Keeling, R F -- Piper, S C -- Patra, P K -- Stephens, B B -- Wofsy, S C -- Welp, L R -- Sweeney, C -- Tans, P P -- Kelley, J J -- Daube, B C -- Kort, E A -- Santoni, G W -- Bent, J D -- New York, N.Y. -- Science. 2013 Sep 6;341(6150):1085-9. doi: 10.1126/science.1239207. Epub 2013 Aug 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA. hgraven@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23929948" target="_blank"〉PubMed〈/a〉
    Keywords: Arctic Regions ; Atmosphere/*chemistry ; *Carbon Cycle ; Carbon Dioxide/*chemistry ; *Ecosystem ; Oceans and Seas ; Seasons ; *Trees
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2013-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):482. doi: 10.1126/science.341.6145.482-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908220" target="_blank"〉PubMed〈/a〉
    Keywords: Climate Change/*history ; *Ecosystem ; Ethiopia ; History, 19th Century ; Photography/*history
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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