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  • Articles  (164)
  • *Biological Evolution  (56)
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  • American Association for the Advancement of Science (AAAS)  (164)
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  • 2015-2019  (164)
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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 May 1;348(6234):602. doi: 10.1126/science.348.6234.602.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rachel Bernstein is a staf writer for Science Careers. For more on life and careers, visit www.sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25931563" target="_blank"〉PubMed〈/a〉
    Keywords: Botany/*education ; *Career Choice ; Hawaii ; Iraq War, 2003-2011 ; Warfare
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1282. doi: 10.1126/science.347.6227.1282.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rachel Bernstein is a staf writer for Science Careers. For more on life and careers, visit sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766239" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Drug Discovery/*organization & administration ; *Entrepreneurship ; Humans ; Rare Diseases/*drug therapy
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):686. doi: 10.1126/science.347.6222.686. Epub 2015 Feb 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rachel Bernstein is a staf writer for Science Careers. For more on life and careers, visit www.sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657252" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Birds ; *Career Choice ; Cooperative Behavior ; Neurobiology/*manpower
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  • 4
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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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  • 5
    Publication Date: 2015-05-23
    Description: Sex determination in the mosquito Aedes aegypti is governed by a dominant male-determining factor (M factor) located within a Y chromosome-like region called the M locus. Here, we show that an M-locus gene, Nix, functions as an M factor in A. aegypti. Nix exhibits persistent M linkage and early embryonic expression, two characteristics required of an M factor. Nix knockout with clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 resulted in largely feminized genetic males and the production of female isoforms of two key regulators of sexual differentiation: doublesex and fruitless. Ectopic expression of Nix resulted in genetic females with nearly complete male genitalia. Thus, Nix is both required and sufficient to initiate male development. This study provides a foundation for mosquito control strategies that convert female mosquitoes into harmless males.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, Andrew Brantley -- Basu, Sanjay -- Jiang, Xiaofang -- Qi, Yumin -- Timoshevskiy, Vladimir A -- Biedler, James K -- Sharakhova, Maria V -- Elahi, Rubayet -- Anderson, Michelle A E -- Chen, Xiao-Guang -- Sharakhov, Igor V -- Adelman, Zach N -- Tu, Zhijian -- AI113643/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1268-70. doi: 10.1126/science.aaa2850. Epub 2015 May 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. ; Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. Department of Entomology, Virginia Tech, Blacksburg, VA, USA. ; Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. ; Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. ; School of Public Health and Tropical Medicine, Southern Medical University, Guangdong, People's Republic of China. ; Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. Department of Entomology, Virginia Tech, Blacksburg, VA, USA. ; Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. Department of Entomology, Virginia Tech, Blacksburg, VA, USA. jaketu@vt.edu zachadel@vt.edu. ; Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. jaketu@vt.edu zachadel@vt.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999371" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes/*genetics/*growth & development ; Animals ; Caspase 9 ; Clustered Regularly Interspaced Short Palindromic Repeats ; Female ; Gene Knockout Techniques ; *Genes, Insect ; *Genetic Loci ; Male ; Molecular Sequence Data ; Mosquito Control/methods ; Sex Determination Processes/*genetics
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  • 6
    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
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-01-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reynolds, Lawrence -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):383. doi: 10.1126/science.347.6220.383-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Sciences, North Dakota State University, Fargo, ND 58108, USA. larry.reynolds@ndsu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25613883" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; *Career Choice ; Ferns/*genetics
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  • 8
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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〉Dasheiff, Richard -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):918. doi: 10.1126/science.347.6224.918.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Richard Dasheiff is a neurologist and scientist who lives with his wife and two children in Dallas, Texas. For more on life and careers, visit www.sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700522" target="_blank"〉PubMed〈/a〉
    Keywords: Astronomy/education ; *Career Choice ; Neurology/*education ; Vietnam Conflict
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  • 9
    Publication Date: 2015-08-22
    Description: Plasma membrane depolarization can trigger cell proliferation, but how membrane potential influences mitogenic signaling is uncertain. Here, we show that plasma membrane depolarization induces nanoscale reorganization of phosphatidylserine and phosphatidylinositol 4,5-bisphosphate but not other anionic phospholipids. K-Ras, which is targeted to the plasma membrane by electrostatic interactions with phosphatidylserine, in turn undergoes enhanced nanoclustering. Depolarization-induced changes in phosphatidylserine and K-Ras plasma membrane organization occur in fibroblasts, excitable neuroblastoma cells, and Drosophila neurons in vivo and robustly amplify K-Ras-dependent mitogen-activated protein kinase (MAPK) signaling. Conversely, plasma membrane repolarization disrupts K-Ras nanoclustering and inhibits MAPK signaling. By responding to voltage-induced changes in phosphatidylserine spatiotemporal dynamics, K-Ras nanoclusters set up the plasma membrane as a biological field-effect transistor, allowing membrane potential to control the gain in mitogenic signaling circuits.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4687752/" 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/PMC4687752/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Yong -- Wong, Ching-On -- Cho, Kwang-jin -- van der Hoeven, Dharini -- Liang, Hong -- Thakur, Dhananiay P -- Luo, Jialie -- Babic, Milos -- Zinsmaier, Konrad E -- Zhu, Michael X -- Hu, Hongzhen -- Venkatachalam, Kartik -- Hancock, John F -- R01 NS081301/NS/NINDS NIH HHS/ -- R01NS081301/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2015 Aug 21;349(6250):873-6. doi: 10.1126/science.aaa5619.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology and Pharmacology, Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA. ; Department of Diagnostic and Biomedical Sciences, Dental School, University of Texas Health Science Center at Houston, Houston, TX 77054, USA. ; Department of Neuroscience, University of Arizona, Tucson, AZ 85721, USA. ; Department of Integrative Biology and Pharmacology, Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA. Program in Cell and Regulatory Biology, University of Texas Graduate School of Biomedical Sciences, Houston, TX 77030, USA. ; Department of Integrative Biology and Pharmacology, Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA. Program in Cell and Regulatory Biology, University of Texas Graduate School of Biomedical Sciences, Houston, TX 77030, USA. john.f.hancock@uth.tmc.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26293964" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line, Tumor ; Cell Membrane/metabolism/*physiology ; Cricetinae ; Drosophila melanogaster ; Fibroblasts ; *Membrane Potentials ; Mice ; Neurons ; Phosphatidylinositol 4,5-Diphosphate/*metabolism ; Phosphatidylserines/*metabolism ; Signal Transduction ; ras Proteins/*metabolism
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-08-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krablin, Richard -- New York, N.Y. -- Science. 2015 Aug 21;349(6250):894. doi: 10.1126/science.349.6250.894.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Richard Krablin is currently consulting on environment, health, and safety matters for industry through his firm Corporate Environmental Performance in Bethlehem, Pennsylvania. For more on life and careers, visit sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26293967" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere ; *Career Choice ; *Conservation of Natural Resources ; Humans ; Physics/*education ; Risk-Taking
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  • 11
    Publication Date: 2015-01-03
    Description: Proton-pumping complex I of the mitochondrial respiratory chain is among the largest and most complicated membrane protein complexes. The enzyme contributes substantially to oxidative energy conversion in eukaryotic cells. Its malfunctions are implicated in many hereditary and degenerative disorders. We report the x-ray structure of mitochondrial complex I at a resolution of 3.6 to 3.9 angstroms, describing in detail the central subunits that execute the bioenergetic function. A continuous axis of basic and acidic residues running centrally through the membrane arm connects the ubiquinone reduction site in the hydrophilic arm to four putative proton-pumping units. The binding position for a substrate analogous inhibitor and blockage of the predicted ubiquinone binding site provide a model for the "deactive" form of the enzyme. The proposed transition into the active form is based on a concerted structural rearrangement at the ubiquinone reduction site, providing support for a two-state stabilization-change mechanism of proton pumping.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zickermann, Volker -- Wirth, Christophe -- Nasiri, Hamid -- Siegmund, Karin -- Schwalbe, Harald -- Hunte, Carola -- Brandt, Ulrich -- New York, N.Y. -- Science. 2015 Jan 2;347(6217):44-9. doi: 10.1126/science.1259859.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural Bioenergetics Group, Institute of Biochemistry II, Medical School, Goethe-University, 60438 Frankfurt am Main, Germany. Cluster of Excellence Frankfurt "Macromolecular Complexes," Goethe-University, 60438 Frankfurt am Main, Germany. zickermann@med.uni-frankfurt.de carola.hunte@biochemie.uni-freiburg.de ulrich.brandt@radboudumc.nl. ; Institute for Biochemistry and Molecular Biology, ZBMZ, BIOSS Centre for Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany. ; Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, UK. Institute of Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance, 60438 Frankfurt am Main, Germany. ; Structural Bioenergetics Group, Institute of Biochemistry II, Medical School, Goethe-University, 60438 Frankfurt am Main, Germany. ; Cluster of Excellence Frankfurt "Macromolecular Complexes," Goethe-University, 60438 Frankfurt am Main, Germany. Institute of Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance, 60438 Frankfurt am Main, Germany. ; Institute for Biochemistry and Molecular Biology, ZBMZ, BIOSS Centre for Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany. zickermann@med.uni-frankfurt.de carola.hunte@biochemie.uni-freiburg.de ulrich.brandt@radboudumc.nl. ; Cluster of Excellence Frankfurt "Macromolecular Complexes," Goethe-University, 60438 Frankfurt am Main, Germany. Nijmegen Center for Mitochondrial Disorders, Radboud University Medical Center, 6525 GA Nijmegen, Netherlands. zickermann@med.uni-frankfurt.de carola.hunte@biochemie.uni-freiburg.de ulrich.brandt@radboudumc.nl.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25554780" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Crystallography, X-Ray ; Electron Transport Complex I/*chemistry/ultrastructure ; Mitochondria/*enzymology ; Mitochondrial Membranes/*enzymology ; Protein Structure, Secondary ; Protons ; Ubiquinone/chemistry ; Yarrowia/enzymology
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  • 12
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boehnke, Kevin -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1166. doi: 10.1126/science.347.6226.1166.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Kevin Boehnke is a doctoral candidate at the University of Michigan School of Public Health in Ann Arbor. For more on life and careers, visit sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25745176" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Helicobacter Infections/transmission ; Helicobacter pylori ; History ; Public Health/*education ; *Water Microbiology
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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1054. doi: 10.1126/science.347.6226.1054.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25745139" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*education ; Curriculum ; *Faculty ; Knowledge ; *Professional Competence ; *Religion and Science ; Role ; United States
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  • 14
    Publication Date: 2015-02-28
    Description: A central process in evolution is the recruitment of genes to regulatory networks. We engineered immotile strains of the bacterium Pseudomonas fluorescens that lack flagella due to deletion of the regulatory gene fleQ. Under strong selection for motility, these bacteria consistently regained flagella within 96 hours via a two-step evolutionary pathway. Step 1 mutations increase intracellular levels of phosphorylated NtrC, a distant homolog of FleQ, which begins to commandeer control of the fleQ regulon at the cost of disrupting nitrogen uptake and assimilation. Step 2 is a switch-of-function mutation that redirects NtrC away from nitrogen uptake and toward its novel function as a flagellar regulator. Our results demonstrate that natural selection can rapidly rewire regulatory networks in very few, repeatable mutational steps.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taylor, Tiffany B -- Mulley, Geraldine -- Dills, Alexander H -- Alsohim, Abdullah S -- McGuffin, Liam J -- Studholme, David J -- Silby, Mark W -- Brockhurst, Michael A -- Johnson, Louise J -- Jackson, Robert W -- BB/J015350/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/K003240/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- WT097835MF/Wellcome Trust/United Kingdom -- WT101650MA/Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):1014-7. doi: 10.1126/science.1259145.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Reading, Whiteknights, Reading RG6 6AJ, UK. ; Department of Biology, University of Massachusetts Dartmouth, 285 Old Westport Road, North Dartmouth, MA 02747, USA. ; School of Biological Sciences, University of Reading, Whiteknights, Reading RG6 6AJ, UK. Department of Plant Production and Protection, Qassim University, Qassim, P.O. Box 6622, Saudi Arabia. ; College of Life and Environmental Sciences, University of Exeter, Stocker Road, Exeter EX4 4QD, UK. ; Department of Biology, University of York, Wentworth Way, York YO10 5DD, UK. ; School of Biological Sciences, University of Reading, Whiteknights, Reading RG6 6AJ, UK. l.j.johnson@reading.ac.uk. ; School of Biological Sciences, University of Reading, Whiteknights, Reading RG6 6AJ, UK. The University of Akureyri, Borgir vid Nordurslod, IS-600 Akureyri, Iceland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25722415" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/genetics/*physiology ; *Biological Evolution ; Flagella/genetics/metabolism/*physiology ; Gene Deletion ; Gene Expression Regulation, Bacterial ; Gene Regulatory Networks ; Nitrogen/*metabolism ; Pseudomonas fluorescens/genetics/metabolism/*physiology ; Regulon ; *Selection, Genetic
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-06-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, Richard J -- Wagner, Marek -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1394. doi: 10.1126/science.348.6241.1394.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marek Wagner, a postdoc at the University of Bergen in Norway, will be attending the 65th Lindau Nobel Laureate Meeting. For more on life and careers, visit ScienceCareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089519" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Humans ; Research/*manpower ; Research Personnel
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  • 16
    Publication Date: 2015-07-04
    Description: Lactic acid racemization is involved in lactate metabolism and cell wall assembly of many microorganisms. Lactate racemase (Lar) requires nickel, but the nickel-binding site and the role of three accessory proteins required for its activation remain enigmatic. We combined mass spectrometry and x-ray crystallography to show that Lar from Lactobacillus plantarum possesses an organometallic nickel-containing prosthetic group. A nicotinic acid mononucleotide derivative is tethered to Lys(184) and forms a tridentate pincer complex that coordinates nickel through one metal-carbon and two metal-sulfur bonds, with His(200) as another ligand. Although similar complexes have been previously synthesized, there was no prior evidence for the existence of pincer cofactors in enzymes. The wide distribution of the accessory proteins without Lar suggests that it may play a role in other enzymes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Desguin, Benoit -- Zhang, Tuo -- Soumillion, Patrice -- Hols, Pascal -- Hu, Jian -- Hausinger, Robert P -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):66-9. doi: 10.1126/science.aab2272.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA. ; Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA. ; Institute of Life Sciences, Universite Catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium. ; Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA. Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA. hujian1@msu.edu hausinge@msu.edu. ; Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA. Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA. hujian1@msu.edu hausinge@msu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138974" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/*chemistry/genetics ; Binding Sites ; Carbon/chemistry ; Catalysis ; Crystallography, X-Ray ; Histidine/chemistry ; Holoenzymes/chemistry ; Lactic Acid/*biosynthesis/chemistry ; Lactobacillus plantarum/*enzymology/genetics ; Ligands ; Lysine/chemistry ; Metalloproteins/*chemistry/genetics ; Niacin/*chemistry ; Nickel/*chemistry ; Nicotinamide Mononucleotide/analogs & derivatives/chemistry ; Protein Processing, Post-Translational ; Protein Structure, Secondary ; Racemases and Epimerases/*chemistry/genetics ; Spectrometry, Mass, Electrospray Ionization ; Sulfur
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  • 17
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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〉Teichmann, Sarah -- Pain, Elisabeth -- New York, N.Y. -- Science. 2015 Aug 7;349(6248):662. doi: 10.1126/science.349.6248.662.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Elisabeth Pain is Science Careers contributing editor for Europe. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26250686" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; *Computational Biology ; Molecular Biology ; Protein Conformation
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  • 18
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meyer, Gretchen -- New York, N.Y. -- Science. 2015 May 22;348(6237):938. doi: 10.1126/science.348.6237.938.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gretchen Meyer is manager and staf biologist at the University of Wisconsin-Milwaukee Field Station. For more on life and careers, visit ScienceCareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999510" target="_blank"〉PubMed〈/a〉
    Keywords: Biology/*education ; *Career Choice
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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Diamandis, Eleftherios P -- New York, N.Y. -- Science. 2015 Jul 10;349(6244):206. doi: 10.1126/science.349.6244.206.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Eleftherios P. Diamandis is professor and head of clinical biochemistry at the University of Toronto, biochemist-in-chief at University Health Network, and head of clinical biochemistry at Mount Sinai Hospital in Toronto, Canada. For more on life and careers, visit sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160950" target="_blank"〉PubMed〈/a〉
    Keywords: Biochemistry/*education ; *Biotechnology ; *Career Choice ; *Career Mobility ; Chemistry, Clinical/*education
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  • 20
    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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  • 21
    Publication Date: 2015-05-23
    Description: Extremophiles, microorganisms thriving in extreme environmental conditions, must have proteins and nucleic acids that are stable at extremes of temperature and pH. The nonenveloped, rod-shaped virus SIRV2 (Sulfolobus islandicus rod-shaped virus 2) infects the hyperthermophilic acidophile Sulfolobus islandicus, which lives at 80 degrees C and pH 3. We have used cryo-electron microscopy to generate a three-dimensional reconstruction of the SIRV2 virion at ~4 angstrom resolution, which revealed a previously unknown form of virion organization. Although almost half of the capsid protein is unstructured in solution, this unstructured region folds in the virion into a single extended alpha helix that wraps around the DNA. The DNA is entirely in the A-form, which suggests a common mechanism with bacterial spores for protecting DNA in the most adverse environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DiMaio, Frank -- Yu, Xiong -- Rensen, Elena -- Krupovic, Mart -- Prangishvili, David -- Egelman, Edward H -- GM035269/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 May 22;348(6237):914-7. doi: 10.1126/science.aaa4181.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Washington, Seattle, WA 98195, USA. ; Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA 22908, USA. ; Institut Pasteur, Department of Microbiology, 25 rue du Dr. Roux, Paris 75015, France. ; Institut Pasteur, Department of Microbiology, 25 rue du Dr. Roux, Paris 75015, France. egelman@virginia.edu david.prangishvili@pasteur.fr. ; Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA 22908, USA. egelman@virginia.edu david.prangishvili@pasteur.fr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999507" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cryoelectron Microscopy ; DNA, A-Form/*metabolism ; Molecular Sequence Data ; Protein Multimerization ; Protein Structure, Secondary ; Rudiviridae/*metabolism/ultrastructure ; Spores, Bacterial/genetics/virology ; Sulfolobus/*genetics/*virology ; Virion/*ultrastructure
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  • 22
    Publication Date: 2015-10-10
    Description: Strigolactones are naturally occurring signaling molecules that affect plant development, fungi-plant interactions, and parasitic plant infestations. We characterized the function of 11 strigolactone receptors from the parasitic plant Striga hermonthica using chemical and structural biology. We found a clade of polyspecific receptors, including one that is sensitive to picomolar concentrations of strigolactone. A crystal structure of a highly sensitive strigolactone receptor from Striga revealed a larger binding pocket than that of the Arabidopsis receptor, which could explain the increased range of strigolactone sensitivity. Thus, the sensitivity of Striga to strigolactones from host plants is driven by receptor sensitivity. By expressing strigolactone receptors in Arabidopsis, we developed a bioassay that can be used to identify chemicals and crops with altered strigolactone levels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Toh, Shigeo -- Holbrook-Smith, Duncan -- Stogios, Peter J -- Onopriyenko, Olena -- Lumba, Shelley -- Tsuchiya, Yuichiro -- Savchenko, Alexei -- McCourt, Peter -- New York, N.Y. -- Science. 2015 Oct 9;350(6257):203-7. doi: 10.1126/science.aac9476.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto M5S 3B2, Canada. ; Department of Chemical Engineering and Applied Chemistry, Banting and Best Department of Medical Research, University of Toronto, 200 College Street, Toronto M5S 3E5, Canada. Center for Structural Genomics of Infectious Diseases, contracted by National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA. ; Department of Chemical Engineering and Applied Chemistry, Banting and Best Department of Medical Research, University of Toronto, 200 College Street, Toronto M5S 3E5, Canada. ; Institute of Transformative Bio-Molecules, Nagoya University, Japan, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan. ; Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto M5S 3B2, Canada. peter.mccourt@utoronto.ca.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26450211" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis/genetics/metabolism ; Catalytic Domain ; Germination/drug effects ; Heterocyclic Compounds, 3-Ring/*metabolism/pharmacology ; Lactones/*metabolism/pharmacology ; Molecular Sequence Data ; Phylogeny ; Plant Growth Regulators/*metabolism/pharmacology ; Plant Proteins/*chemistry/classification/genetics ; Protein Structure, Secondary ; Receptors, Cell Surface/*chemistry/classification/genetics ; Seeds/genetics/growth & development/metabolism ; Striga/genetics/growth & development/*metabolism ; Structure-Activity Relationship
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borniger, Jeremy C -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):882. doi: 10.1126/science.350.6262.882.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jeremy C. Borniger is a Ph.D. candidate in the neuroscience program at Ohio State University, Columbus. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564857" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Humans ; *Neurosciences ; Ohio ; Research Personnel/psychology
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  • 24
    Publication Date: 2015-03-15
    Description: TREK-2 (KCNK10/K2P10), a two-pore domain potassium (K2P) channel, is gated by multiple stimuli such as stretch, fatty acids, and pH and by several drugs. However, the mechanisms that control channel gating are unclear. Here we present crystal structures of the human TREK-2 channel (up to 3.4 angstrom resolution) in two conformations and in complex with norfluoxetine, the active metabolite of fluoxetine (Prozac) and a state-dependent blocker of TREK channels. Norfluoxetine binds within intramembrane fenestrations found in only one of these two conformations. Channel activation by arachidonic acid and mechanical stretch involves conversion between these states through movement of the pore-lining helices. These results provide an explanation for TREK channel mechanosensitivity, regulation by diverse stimuli, and possible off-target effects of the serotonin reuptake inhibitor Prozac.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dong, Yin Yao -- Pike, Ashley C W -- Mackenzie, Alexandra -- McClenaghan, Conor -- Aryal, Prafulla -- Dong, Liang -- Quigley, Andrew -- Grieben, Mariana -- Goubin, Solenne -- Mukhopadhyay, Shubhashish -- Ruda, Gian Filippo -- Clausen, Michael V -- Cao, Lishuang -- Brennan, Paul E -- Burgess-Brown, Nicola A -- Sansom, Mark S P -- Tucker, Stephen J -- Carpenter, Elisabeth P -- 084655/Wellcome Trust/United Kingdom -- 092809/Z/10/Z/Wellcome Trust/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1256-9. doi: 10.1126/science.1261512.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural Genomics Consortium, University of Oxford, Oxford OX3 7DQ, UK. ; Structural Genomics Consortium, University of Oxford, Oxford OX3 7DQ, UK. Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, UK. ; Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, UK. OXION Initiative in Ion Channels and Disease, University of Oxford, Oxford OX1 3PN, UK. ; Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, UK. OXION Initiative in Ion Channels and Disease, University of Oxford, Oxford OX1 3PN, UK. Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK. ; Structural Genomics Consortium, University of Oxford, Oxford OX3 7DQ, UK. Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, UK. ; Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, UK. ; Pfizer Neusentis, Granta Park, Cambridge CB21 6GS, UK. ; OXION Initiative in Ion Channels and Disease, University of Oxford, Oxford OX1 3PN, UK. Department of Biochemistry, University of Oxford, Oxford OX1 3QU, UK. ; Clarendon Laboratory, Department of Physics, University of Oxford, Oxford OX1 3PU, UK. OXION Initiative in Ion Channels and Disease, University of Oxford, Oxford OX1 3PN, UK. liz.carpenter@sgc.ox.ac.uk stephen.tucker@physics.ox.ac.uk. ; Structural Genomics Consortium, University of Oxford, Oxford OX3 7DQ, UK. OXION Initiative in Ion Channels and Disease, University of Oxford, Oxford OX1 3PN, UK. liz.carpenter@sgc.ox.ac.uk stephen.tucker@physics.ox.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766236" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arachidonic Acid/pharmacology ; Binding Sites ; Crystallography, X-Ray ; Fluoxetine/analogs & derivatives/chemistry/metabolism/pharmacology ; Humans ; *Ion Channel Gating ; Models, Molecular ; Molecular Dynamics Simulation ; Molecular Sequence Data ; Potassium/metabolism ; Potassium Channels, Tandem Pore Domain/antagonists & ; inhibitors/*chemistry/metabolism ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary
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  • 25
    Publication Date: 2015-11-21
    Description: The nonrandom distribution of meiotic recombination shapes heredity and genetic diversification. Theoretically, hotspots--favored sites of recombination initiation--either evolve rapidly toward extinction or are conserved, especially if they are chromosomal features under selective constraint, such as promoters. We tested these theories by comparing genome-wide recombination initiation maps from widely divergent Saccharomyces species. We find that hotspots frequently overlap with promoters in the species tested, and consequently, hotspot positions are well conserved. Remarkably, the relative strength of individual hotspots is also highly conserved, as are larger-scale features of the distribution of recombination initiation. This stability, not predicted by prior models, suggests that the particular shape of the yeast recombination landscape is adaptive and helps in understanding evolutionary dynamics of recombination in other species.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4656144/" 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/PMC4656144/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lam, Isabel -- Keeney, Scott -- F31 GM097861/GM/NIGMS NIH HHS/ -- P30 CA008748/CA/NCI NIH HHS/ -- R01 GM058673/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):932-7. doi: 10.1126/science.aad0814.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Louis V. Gerstner, Jr., Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Molecular Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. ; Louis V. Gerstner, Jr., Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Molecular Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Howard Hughes Medical Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. s-keeney@ski.mskcc.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586758" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Chromosomes, Fungal/genetics ; *DNA Breaks, Double-Stranded ; Genome, Fungal/genetics ; *Homologous Recombination ; Meiosis/*genetics ; Phylogeny ; Saccharomyces cerevisiae/classification/*genetics
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  • 26
    Publication Date: 2015-09-19
    Description: Prostate cancer is initially responsive to androgen deprivation, but the effectiveness of androgen receptor (AR) inhibitors in recurrent disease is variable. Biopsy of bone metastases is challenging; hence, sampling circulating tumor cells (CTCs) may reveal drug-resistance mechanisms. We established single-cell RNA-sequencing (RNA-Seq) profiles of 77 intact CTCs isolated from 13 patients (mean six CTCs per patient), by using microfluidic enrichment. Single CTCs from each individual display considerable heterogeneity, including expression of AR gene mutations and splicing variants. Retrospective analysis of CTCs from patients progressing under treatment with an AR inhibitor, compared with untreated cases, indicates activation of noncanonical Wnt signaling (P = 0.0064). Ectopic expression of Wnt5a in prostate cancer cells attenuates the antiproliferative effect of AR inhibition, whereas its suppression in drug-resistant cells restores partial sensitivity, a correlation also evident in an established mouse model. Thus, single-cell analysis of prostate CTCs reveals heterogeneity in signaling pathways that could contribute to treatment failure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miyamoto, David T -- Zheng, Yu -- Wittner, Ben S -- Lee, Richard J -- Zhu, Huili -- Broderick, Katherine T -- Desai, Rushil -- Fox, Douglas B -- Brannigan, Brian W -- Trautwein, Julie -- Arora, Kshitij S -- Desai, Niyati -- Dahl, Douglas M -- Sequist, Lecia V -- Smith, Matthew R -- Kapur, Ravi -- Wu, Chin-Lee -- Shioda, Toshi -- Ramaswamy, Sridhar -- Ting, David T -- Toner, Mehmet -- Maheswaran, Shyamala -- Haber, Daniel A -- 2R01CA129933/CA/NCI NIH HHS/ -- EB008047/EB/NIBIB NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Sep 18;349(6254):1351-6. doi: 10.1126/science.aab0917.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. ; Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. ; Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. ; Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. ; Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. ; Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. Department of Urology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. ; Center for Bioengineering in Medicine, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. ; Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. haber@helix.mgh.harvard.edu smaheswaran@mgh.harvard.edu. ; Massachusetts General Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA. haber@helix.mgh.harvard.edu smaheswaran@mgh.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26383955" target="_blank"〉PubMed〈/a〉
    Keywords: Androgen Antagonists/pharmacology/*therapeutic use ; Animals ; Cell Line, Tumor ; Drug Resistance, Neoplasm/*genetics ; Humans ; Male ; Mice ; Neoplastic Cells, Circulating/drug effects/*metabolism ; Phenylthiohydantoin/*analogs & derivatives/pharmacology/therapeutic use ; Prostate/drug effects/metabolism/pathology ; Prostatic Neoplasms/*drug therapy/*pathology ; Proto-Oncogene Proteins/genetics/metabolism ; RNA Splicing ; Receptors, Androgen/*genetics ; Sequence Analysis, RNA/methods ; Signal Transduction ; Single-Cell Analysis/methods ; Transcriptome ; Wnt Proteins/genetics/*metabolism ; Xenograft Model Antitumor Assays
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  • 27
    Publication Date: 2015-11-07
    Description: Understanding the evolution of sex determination in plants requires identifying the mechanisms underlying the transition from monoecious plants, where male and female flowers coexist, to unisexual individuals found in dioecious species. We show that in melon and cucumber, the androecy gene controls female flower development and encodes a limiting enzyme of ethylene biosynthesis, ACS11. ACS11 is expressed in phloem cells connected to flowers programmed to become female, and ACS11 loss-of-function mutants lead to male plants (androecy). CmACS11 represses the expression of the male promoting gene CmWIP1 to control the development and the coexistence of male and female flowers in monoecious species. Because monoecy can lead to dioecy, we show how a combination of alleles of CmACS11 and CmWIP1 can create artificial dioecy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boualem, Adnane -- Troadec, Christelle -- Camps, Celine -- Lemhemdi, Afef -- Morin, Halima -- Sari, Marie-Agnes -- Fraenkel-Zagouri, Rina -- Kovalski, Irina -- Dogimont, Catherine -- Perl-Treves, Rafael -- Bendahmane, Abdelhafid -- New York, N.Y. -- Science. 2015 Nov 6;350(6261):688-91. doi: 10.1126/science.aac8370.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut National de la Recherche Agronomique (INRA), Institute of Plant Sciences Paris-Saclay, CNRS, Universite Paris-Sud, Universite d'Evry, Universite Paris-Diderot, Batiment 630, 91405, Orsay, France. ; Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, CNRS, UMR 8601, Universite Rene Descartes, Paris, France. ; The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel. ; INRA, UR 1052, Unite de Genetique et d'Amelioration des Fruits et Legumes, BP 94, F-84143 Montfavet, France. ; Institut National de la Recherche Agronomique (INRA), Institute of Plant Sciences Paris-Saclay, CNRS, Universite Paris-Sud, Universite d'Evry, Universite Paris-Diderot, Batiment 630, 91405, Orsay, France. bendahm@evry.inra.fr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26542573" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; *Biological Evolution ; Cucumis sativus/enzymology/genetics/growth & development ; Cucurbitaceae/enzymology/genetics/*growth & development ; Ethylenes/biosynthesis ; Flowers/enzymology/genetics/*growth & development ; Genes, Plant/genetics/physiology ; Lyases/genetics/*physiology ; Molecular Sequence Data ; Phloem/enzymology/genetics/growth & development ; Plant Proteins/genetics/*physiology ; Sex Determination Processes/*genetics
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  • 28
    Publication Date: 2015-06-20
    Description: G protein-coupled receptors (GPCRs) relay diverse extracellular signals into cells by catalyzing nucleotide release from heterotrimeric G proteins, but the mechanism underlying this quintessential molecular signaling event has remained unclear. Here we use atomic-level simulations to elucidate the nucleotide-release mechanism. We find that the G protein alpha subunit Ras and helical domains-previously observed to separate widely upon receptor binding to expose the nucleotide-binding site-separate spontaneously and frequently even in the absence of a receptor. Domain separation is necessary but not sufficient for rapid nucleotide release. Rather, receptors catalyze nucleotide release by favoring an internal structural rearrangement of the Ras domain that weakens its nucleotide affinity. We use double electron-electron resonance spectroscopy and protein engineering to confirm predictions of our computationally determined mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dror, Ron O -- Mildorf, Thomas J -- Hilger, Daniel -- Manglik, Aashish -- Borhani, David W -- Arlow, Daniel H -- Philippsen, Ansgar -- Villanueva, Nicolas -- Yang, Zhongyu -- Lerch, Michael T -- Hubbell, Wayne L -- Kobilka, Brian K -- Sunahara, Roger K -- Shaw, David E -- P30EY00331/EY/NEI NIH HHS/ -- R01EY05216/EY/NEI NIH HHS/ -- R01GM083118/GM/NIGMS NIH HHS/ -- T32 GM008294/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1361-5. doi: 10.1126/science.aaa5264.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉D. E. Shaw Research, New York, NY 10036, USA. ron.dror@deshawresearch.com david.shaw@deshawresearch.com. ; D. E. Shaw Research, New York, NY 10036, USA. ; Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI 48109, USA. ; Jules Stein Eye Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA. ; D. E. Shaw Research, New York, NY 10036, USA. Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY 10032, USA. ron.dror@deshawresearch.com david.shaw@deshawresearch.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089515" target="_blank"〉PubMed〈/a〉
    Keywords: GTP-Binding Protein alpha Subunits, Gi-Go/*chemistry ; GTP-Binding Protein alpha Subunits, Gs/*chemistry ; Guanine Nucleotide Exchange Factors/*chemistry ; Humans ; Models, Chemical ; Molecular Dynamics Simulation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, G-Protein-Coupled/*chemistry ; Signal Transduction
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  • 29
    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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  • 30
    Publication Date: 2015-06-20
    Description: Villmoare et al. (Reports, 20 March 2015, p. 1352) report on a hominin mandible from the Ledi-Geraru research area, Ethiopia, which they claim to be the earliest known representative of the genus Homo. However, certain measurements and observations for Australopithecus sediba mandibles presented are incorrect or are not included in critical aspects of the study. When correctly used, these data demonstrate that specimen LD 350-1 cannot be unequivocally assigned to the genus Homo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hawks, John -- de Ruiter, Darryl J -- Berger, Lee R -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1326. doi: 10.1126/science.aab0591.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Wisconsin, Madison, WI 53706, USA. Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa. jhawks@wisc.edu. ; Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa. Department of Anthropology, Texas A&M University, College Station, TX 77843, USA. ; Institute for Human Evolution, University of the Witwatersrand, Johannesburg, South Africa.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089505" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Hominidae/*anatomy & histology ; Humans
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsai, Jessica W -- New York, N.Y. -- Science. 2015 Dec 11;350(6266):1434. doi: 10.1126/science.350.6266.1434.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jessica W. Tsai is a resident physician in pediatrics at Boston Children's Hospital and Boston Medical Center and a member of STEM Education Advocacy Group. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26659057" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; *Education, Medical, Graduate ; Humans ; *Medical Laboratory Personnel ; Molecular Biology/*education ; Neurosciences/*education ; *Physicians
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  • 32
    Publication Date: 2015-08-22
    Description: Elucidating the signaling mechanism of strigolactones has been the key to controlling the devastating problem caused by the parasitic plant Striga hermonthica. To overcome the genetic intractability that has previously interfered with identification of the strigolactone receptor, we developed a fluorescence turn-on probe, Yoshimulactone Green (YLG), which activates strigolactone signaling and illuminates signal perception by the strigolactone receptors. Here we describe how strigolactones bind to and act via ShHTLs, the diverged family of alpha/beta hydrolase-fold proteins in Striga. Live imaging using YLGs revealed that a dynamic wavelike propagation of strigolactone perception wakes up Striga seeds. We conclude that ShHTLs function as the strigolactone receptors mediating seed germination in Striga. Our findings enable access to strigolactone receptors and observation of the regulatory dynamics for strigolactone signal transduction in Striga.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsuchiya, Yuichiro -- Yoshimura, Masahiko -- Sato, Yoshikatsu -- Kuwata, Keiko -- Toh, Shigeo -- Holbrook-Smith, Duncan -- Zhang, Hua -- McCourt, Peter -- Itami, Kenichiro -- Kinoshita, Toshinori -- Hagihara, Shinya -- New York, N.Y. -- Science. 2015 Aug 21;349(6250):864-8. doi: 10.1126/science.aab3831.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, Ontario M5S 3B2, Canada. yuichiro@itbm.nagoya-u.ac.jp hagi@itbm.nagoya-u.ac.jp. ; Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. ; Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. ; Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, Ontario M5S 3B2, Canada. ; Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. Japan Science and Technology Agency-Exploratory Research for Advanced Technology, Itami Molecular Nanocarbon Project, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. ; Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan. yuichiro@itbm.nagoya-u.ac.jp hagi@itbm.nagoya-u.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26293962" target="_blank"〉PubMed〈/a〉
    Keywords: Fluoresceins/chemistry/metabolism ; Fluorescence ; Fluorescent Dyes/chemistry/metabolism ; *Germination ; Hydrolases/metabolism ; Hydrolysis ; Lactones/*metabolism ; Molecular Imaging/methods ; Molecular Sequence Data ; Plant Growth Regulators/*metabolism ; Plant Proteins/genetics/*metabolism ; Receptors, Cell Surface/genetics/*metabolism ; Seeds/*growth & development/metabolism ; Signal Transduction ; Striga/*growth & development/metabolism
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  • 33
    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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  • 34
    Publication Date: 2015-02-24
    Description: Cope's rule proposes that animal lineages evolve toward larger body size over time. To test this hypothesis across all marine animals, we compiled a data set of body sizes for 17,208 genera of marine animals spanning the past 542 million years. Mean biovolume across genera has increased by a factor of 150 since the Cambrian, whereas minimum biovolume has decreased by less than a factor of 10, and maximum biovolume has increased by more than a factor of 100,000. Neutral drift from a small initial value cannot explain this pattern. Instead, most of the size increase reflects differential diversification across classes, indicating that the pattern does not reflect a simple scaling-up of widespread and persistent selection for larger size within populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heim, Noel A -- Knope, Matthew L -- Schaal, Ellen K -- Wang, Steve C -- Payne, Jonathan L -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):867-70. doi: 10.1126/science.1260065.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Stanford, CA 94305, USA. naheim@stanford.edu. ; Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Stanford, CA 94305, USA. ; Department of Mathematics and Statistics, Swarthmore College, Swarthmore, PA 19081, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700517" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aquatic Organisms ; *Biological Evolution ; *Body Size
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  • 35
    Publication Date: 2015-05-23
    Description: Innate lymphoid cells (ILCs) are a growing family of immune cells that mirror the phenotypes and functions of T cells. However, in contrast to T cells, ILCs do not express acquired antigen receptors or undergo clonal selection and expansion when stimulated. Instead, ILCs react promptly to signals from infected or injured tissues and produce an array of secreted proteins termed cytokines that direct the developing immune response into one that is adapted to the original insult. The complex cross-talk between microenvironment, ILCs, and adaptive immunity remains to be fully deciphered. Only by understanding these complex regulatory networks can the power of ILCs be controlled or unleashed in order to regulate or enhance immune responses in disease prevention and therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eberl, Gerard -- Colonna, Marco -- Di Santo, James P -- McKenzie, Andrew N J -- 100963/Wellcome Trust/United Kingdom -- 1U01AI095542/AI/NIAID NIH HHS/ -- MC_U105178805/Medical Research Council/United Kingdom -- R01DE021255/DE/NIDCR NIH HHS/ -- R21CA16719/CA/NCI NIH HHS/ -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 May 22;348(6237):aaa6566. doi: 10.1126/science.aaa6566. Epub 2015 May 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Pasteur, Microenvironment and Immunity Unit, 75724 Paris, France. gerard.eberl@pasteur.fr. ; Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA. ; Institut Pasteur, Innate Immunity Unit, INSERM U668, 75724 Paris, France. ; Medical Research Council (MRC) Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999512" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptive Immunity ; Adipose Tissue/immunology ; *Biological Evolution ; Bone Marrow/immunology ; Cytokines/immunology ; Diet ; Humans ; *Immunity, Innate ; Immunotherapy ; Inflammation/immunology ; Liver/embryology/immunology ; Lymphocyte Activation ; Lymphocytes/*immunology ; Microbiota/immunology ; T-Lymphocytes/immunology
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  • 36
    Publication Date: 2015-02-28
    Description: Ebola virus causes sporadic outbreaks of lethal hemorrhagic fever in humans, but there is no currently approved therapy. Cells take up Ebola virus by macropinocytosis, followed by trafficking through endosomal vesicles. However, few factors controlling endosomal virus movement are known. Here we find that Ebola virus entry into host cells requires the endosomal calcium channels called two-pore channels (TPCs). Disrupting TPC function by gene knockout, small interfering RNAs, or small-molecule inhibitors halted virus trafficking and prevented infection. Tetrandrine, the most potent small molecule that we tested, inhibited infection of human macrophages, the primary target of Ebola virus in vivo, and also showed therapeutic efficacy in mice. Therefore, TPC proteins play a key role in Ebola virus infection and may be effective targets for antiviral therapy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4550587/" 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/PMC4550587/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sakurai, Yasuteru -- Kolokoltsov, Andrey A -- Chen, Cheng-Chang -- Tidwell, Michael W -- Bauta, William E -- Klugbauer, Norbert -- Grimm, Christian -- Wahl-Schott, Christian -- Biel, Martin -- Davey, Robert A -- R01 AI063513/AI/NIAID NIH HHS/ -- R01AI063513/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):995-8. doi: 10.1126/science.1258758.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Texas Biomedical Research Institute, San Antonio, TX, USA. ; The University of Texas Medical Branch, Galveston, TX, USA. ; Center for Integrated Protein Science Munich (CIPSM) at the Department of Pharmacy-Center for Drug Research, Ludwig-Maximilians-Universitat Munchen, Munich, Germany. ; Southwest Research Institute, San Antonio, TX, USA. ; Institute for Experimental and Clinical Pharmacology and Toxicology, Albert-Ludwigs-Universitat Freiburg, Freiburg, Germany. ; Texas Biomedical Research Institute, San Antonio, TX, USA. rdavey@txbiomed.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25722412" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antiviral Agents/*pharmacology/therapeutic use ; BALB 3T3 Cells ; Benzylisoquinolines/pharmacology/therapeutic use ; Calcium Channel Blockers/*pharmacology/therapeutic use ; Calcium Channels/genetics/*physiology ; Ebolavirus/drug effects/*physiology ; Female ; Gene Knockout Techniques ; HeLa Cells ; Hemorrhagic Fever, Ebola/drug therapy/*therapy/virology ; Humans ; Macrophages/drug effects/virology ; Mice ; *Molecular Targeted Therapy ; NADP/analogs & derivatives/metabolism ; RNA Interference ; Signal Transduction ; Verapamil/pharmacology/therapeutic use ; Virus Internalization/*drug effects
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  • 37
    Publication Date: 2015-09-26
    Description: Cyclic guanosine monophosphate-adenosine monophosphate synthase (cGAS) detects intracellular DNA and signals through the adapter protein STING to initiate the antiviral response to DNA viruses. Whether DNA viruses can prevent activation of the cGAS-STING pathway remains largely unknown. Here, we identify the oncogenes of the DNA tumor viruses, including E7 from human papillomavirus (HPV) and E1A from adenovirus, as potent and specific inhibitors of the cGAS-STING pathway. We show that the LXCXE motif of these oncoproteins, which is essential for blockade of the retinoblastoma tumor suppressor, is also important for antagonizing DNA sensing. E1A and E7 bind to STING, and silencing of these oncogenes in human tumor cells restores the cGAS-STING pathway. Our findings reveal a host-virus conflict that may have shaped the evolution of viral oncogenes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lau, Laura -- Gray, Elizabeth E -- Brunette, Rebecca L -- Stetson, Daniel B -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):568-71. doi: 10.1126/science.aab3291. Epub 2015 Sep 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA. ; Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA. stetson@uw.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26405230" target="_blank"〉PubMed〈/a〉
    Keywords: Adenovirus E1A Proteins/chemistry/genetics/*metabolism ; Amino Acid Motifs ; Amino Acid Sequence ; DNA Tumor Viruses/*immunology ; DNA, Neoplasm/immunology ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Evolution, Molecular ; HEK293 Cells ; HeLa Cells ; Host-Pathogen Interactions ; Humans ; Membrane Proteins/*antagonists & inhibitors ; Metabolic Networks and Pathways ; Molecular Sequence Data ; Nucleotides, Cyclic/*antagonists & inhibitors ; Oncogene Proteins, Viral/chemistry/genetics/*metabolism ; Retinoblastoma Protein/antagonists & inhibitors ; *Tumor Escape
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  • 38
    Publication Date: 2015-11-14
    Description: Following the end-Devonian mass extinction (359 million years ago), vertebrates experienced persistent reductions in body size for at least 36 million years. Global shrinkage was not related to oxygen or temperature, which suggests that ecological drivers played a key role in determining the length and direction of size trends. Small, fast-breeding ray-finned fishes, sharks, and tetrapods, most under 1 meter in length from snout to tail, radiated to dominate postextinction ecosystems and vertebrae biodiversity. The few large-bodied, slow-breeding survivors failed to diversify, facing extinction despite earlier evolutionary success. Thus, the recovery interval resembled modern ecological successions in terms of active selection on size and related life histories. Disruption of global vertebrate, and particularly fish, biotas may commonly lead to widespread, long-term reduction in body size, structuring future biodiversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sallan, Lauren -- Galimberti, Andrew K -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):812-5. doi: 10.1126/science.aac7373.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Environmental Science, University of Pennsylvania, Philadelphia, PA 19104, USA. lsallan@sas.upenn.edu. ; Department of Biology, Kalamazoo College, Kalamazoo, MI 49006, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564854" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Biological Evolution ; *Body Size ; Extinction, Biological ; Fishes/*anatomy & histology ; Tail/anatomy & histology
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  • 39
    Publication Date: 2015-09-12
    Description: Podophyllotoxin is the natural product precursor of the chemotherapeutic etoposide, yet only part of its biosynthetic pathway is known. We used transcriptome mining in Podophyllum hexandrum (mayapple) to identify biosynthetic genes in the podophyllotoxin pathway. We selected 29 candidate genes to combinatorially express in Nicotiana benthamiana (tobacco) and identified six pathway enzymes, including an oxoglutarate-dependent dioxygenase that closes the core cyclohexane ring of the aryltetralin scaffold. By coexpressing 10 genes in tobacco-these 6 plus 4 previously discovered-we reconstitute the pathway to (-)-4'-desmethylepipodophyllotoxin (the etoposide aglycone), a naturally occurring lignan that is the immediate precursor of etoposide and, unlike podophyllotoxin, a potent topoisomerase inhibitor. Our results enable production of the etoposide aglycone in tobacco and circumvent the need for cultivation of mayapple and semisynthetic epimerization and demethylation of podophyllotoxin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lau, Warren -- Sattely, Elizabeth S -- DP2 AT008321/AT/NCCIH NIH HHS/ -- R00 GM089985/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Sep 11;349(6253):1224-8. doi: 10.1126/science.aac7202.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA. ; Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA. sattely@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26359402" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Biosynthetic Pathways/genetics ; Etoposide/*metabolism ; Gene Expression Regulation, Enzymologic ; Gene Expression Regulation, Plant ; *Genetic Engineering ; Methylation ; Mixed Function Oxygenases/genetics/*metabolism ; Molecular Sequence Data ; Podophyllotoxin/*analogs & derivatives/biosynthesis/*metabolism ; Podophyllum peltatum/*enzymology/genetics ; Tobacco/genetics/*metabolism ; Topoisomerase Inhibitors/*metabolism ; Transcriptome
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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-04-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Munk, Marion Ronit -- Ruckert, Rene -- New York, N.Y. -- Science. 2015 Apr 24;348(6233):470. doi: 10.1126/science.348.6233.470.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marion R. Munk is an M.D.-Ph.D. ophthalmologist with a background in immunology and clinical research. Rene Ruckert is an M.D.-MBA immunologist. Both now live in Bern. For more on life and careers, visit ScienceCareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25908825" target="_blank"〉PubMed〈/a〉
    Keywords: Austria ; *Career Choice ; *Child Care ; Child Day Care Centers ; Child, Preschool ; Family Characteristics ; Female ; Humans ; Leadership ; *Return to Work ; *Sexism ; *Women, Working
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  • 41
    Publication Date: 2015-09-01
    Description: Human mutations that truncate the massive sarcomere protein titin [TTN-truncating variants (TTNtvs)] are the most common genetic cause for dilated cardiomyopathy (DCM), a major cause of heart failure and premature death. Here we show that cardiac microtissues engineered from human induced pluripotent stem (iPS) cells are a powerful system for evaluating the pathogenicity of titin gene variants. We found that certain missense mutations, like TTNtvs, diminish contractile performance and are pathogenic. By combining functional analyses with RNA sequencing, we explain why truncations in the A-band domain of TTN cause DCM, whereas truncations in the I band are better tolerated. Finally, we demonstrate that mutant titin protein in iPS cell-derived cardiomyocytes results in sarcomere insufficiency, impaired responses to mechanical and beta-adrenergic stress, and attenuated growth factor and cell signaling activation. Our findings indicate that titin mutations cause DCM by disrupting critical linkages between sarcomerogenesis and adaptive remodeling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4618316/" 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/PMC4618316/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hinson, John T -- Chopra, Anant -- Nafissi, Navid -- Polacheck, William J -- Benson, Craig C -- Swist, Sandra -- Gorham, Joshua -- Yang, Luhan -- Schafer, Sebastian -- Sheng, Calvin C -- Haghighi, Alireza -- Homsy, Jason -- Hubner, Norbert -- Church, George -- Cook, Stuart A -- Linke, Wolfgang A -- Chen, Christopher S -- Seidman, J G -- Seidman, Christine E -- EB017103/EB/NIBIB NIH HHS/ -- HG005550/HG/NHGRI NIH HHS/ -- HL007374/HL/NHLBI NIH HHS/ -- HL115553/HL/NHLBI NIH HHS/ -- HL125807/HL/NHLBI NIH HHS/ -- K08 HL125807/HL/NHLBI NIH HHS/ -- T32 HL007208/HL/NHLBI NIH HHS/ -- Department of Health/United Kingdom -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):982-6. doi: 10.1126/science.aaa5458.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA. jthinson@partners.org cseidman@genetics.med.harvard.edu. ; Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA. The Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA 02115, USA. ; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA. ; Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. ; Department of Cardiovascular Physiology, Ruhr University Bochum, MA 3/56 D-44780, Bochum, Germany. ; The Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA 02115, USA. Department of Genetics, Harvard Medical School, Boston, MA 02115, USA. ; Cardiovascular and Metabolic Sciences, Max Delbruck Center for Molecular Medicine, Berlin, Germany. ; Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA. Department of Genetics, Harvard Medical School, Boston, MA 02115, USA. Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. ; Cardiovascular and Metabolic Sciences, Max Delbruck Center for Molecular Medicine, Berlin, Germany. DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Berlin, Germany. ; National Institute for Health Research (NIHR) Biomedical Research Unit in Cardiovascular Disease at Royal Brompton and Harefield National Health Service (NHS) Foundation Trust, Imperial College London, London, UK. National Heart Centre and Duke-National University, Singapore, Singapore. ; Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA. Department of Genetics, Harvard Medical School, Boston, MA 02115, USA. Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA. jthinson@partners.org cseidman@genetics.med.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315439" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic beta-Agonists/pharmacology ; Cardiomyopathy, Dilated/*genetics/pathology/*physiopathology ; Cells, Cultured ; Connectin/chemistry/*genetics/*physiology ; Heart Rate ; Humans ; Induced Pluripotent Stem Cells/*physiology ; Isoproterenol/pharmacology ; Mutant Proteins/chemistry/physiology ; *Mutation, Missense ; Myocardial Contraction ; Myocytes, Cardiac/*physiology ; RNA/genetics/metabolism ; Sarcomeres/*physiology/ultrastructure ; Sequence Analysis, RNA ; Signal Transduction ; Stress, Physiological
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  • 42
    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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  • 43
    Publication Date: 2015-04-18
    Description: Human-like modes of communication, including mutual gaze, in dogs may have been acquired during domestication with humans. We show that gazing behavior from dogs, but not wolves, increased urinary oxytocin concentrations in owners, which consequently facilitated owners' affiliation and increased oxytocin concentration in dogs. Further, nasally administered oxytocin increased gazing behavior in dogs, which in turn increased urinary oxytocin concentrations in owners. These findings support the existence of an interspecies oxytocin-mediated positive loop facilitated and modulated by gazing, which may have supported the coevolution of human-dog bonding by engaging common modes of communicating social attachment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nagasawa, Miho -- Mitsui, Shouhei -- En, Shiori -- Ohtani, Nobuyo -- Ohta, Mitsuaki -- Sakuma, Yasuo -- Onaka, Tatsushi -- Mogi, Kazutaka -- Kikusui, Takefumi -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):333-6. doi: 10.1126/science.1261022. Epub 2015 Apr 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Kanagawa, Japan. Department of Physiology, Jichi Medical University, Shimotsuke, Tochigi, Japan. ; Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Kanagawa, Japan. ; University of Tokyo Health Sciences, Tama, Tokyo, Japan. ; Department of Physiology, Jichi Medical University, Shimotsuke, Tochigi, Japan. ; Department of Animal Science and Biotechnology, Azabu University, Sagamihara, Kanagawa, Japan. kikusui@azabu-u.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883356" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Domestic/*psychology ; *Biological Evolution ; *Bonding, Human-Pet ; *Communication ; Dogs/*psychology ; Female ; *Fixation, Ocular ; Humans ; Oxytocin/*physiology ; Wolves/*psychology
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  • 44
    Publication Date: 2015-10-03
    Description: Body-size constancy and symmetry are signs of developmental stability. Yet, it is unclear exactly how developing animals buffer size variation. Drosophila insulin-like peptide Dilp8 is responsive to growth perturbations and controls homeostatic mechanisms that coordinately adjust growth and maturation to maintain size within the normal range. Here we show that Lgr3 is a Dilp8 receptor. Through the use of functional and adenosine 3',5'-monophosphate assays, we defined a pair of Lgr3 neurons that mediate homeostatic regulation. These neurons have extensive axonal arborizations, and genetic and green fluorescent protein reconstitution across synaptic partners show that these neurons connect with the insulin-producing cells and prothoracicotropic hormone-producing neurons to attenuate growth and maturation. This previously unrecognized circuit suggests how growth and maturation rate are matched and co-regulated according to Dilp8 signals to stabilize organismal size.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vallejo, Diana M -- Juarez-Carreno, Sergio -- Bolivar, Jorge -- Morante, Javier -- Dominguez, Maria -- OD010949-10/OD/NIH HHS/ -- P40OD018537/OD/NIH HHS/ -- R01-GM084947/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):aac6767. doi: 10.1126/science.aac6767. Epub 2015 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Neurociencias, Consejo Superior de Investigaciones Cientificas and Universidad Miguel Hernandez, Campus de Sant Joan, Apartado 18, 03550 Sant Joan, Alicante, Spain. ; Departamento de Biomedicina, Biotecnologia y Salud Publica, Facultad de Ciencias, Universidad de Cadiz, Poligono Rio San Pedro s/n, 11510 Puerto Real, Spain. ; Instituto de Neurociencias, Consejo Superior de Investigaciones Cientificas and Universidad Miguel Hernandez, Campus de Sant Joan, Apartado 18, 03550 Sant Joan, Alicante, Spain. m.dominguez@umh.es j.morante@umh.es.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26429885" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Monophosphate/metabolism ; Animals ; Body Size ; Brain/cytology/*growth & development/metabolism ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster/*growth & development/metabolism ; Homeostasis ; Insect Hormones/genetics/metabolism ; Insulin/*metabolism ; Intercellular Signaling Peptides and Proteins/genetics/*metabolism ; Nerve Net/cytology/metabolism ; Neurons/*metabolism ; Receptors, G-Protein-Coupled/genetics/*metabolism ; Receptors, Peptide/genetics/*metabolism ; Signal Transduction ; Synapses/metabolism
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  • 45
    Publication Date: 2015-03-31
    Description: The occurrence of Ebola virus (EBOV) in West Africa during 2013-2015 is unprecedented. Early reports suggested that in this outbreak EBOV is mutating twice as fast as previously observed, which indicates the potential for changes in transmissibility and virulence and could render current molecular diagnostics and countermeasures ineffective. We have determined additional full-length sequences from two clusters of imported EBOV infections into Mali, and we show that the nucleotide substitution rate (9.6 x 10(-4) substitutions per site per year) is consistent with rates observed in Central African outbreaks. In addition, overall variation among all genotypes observed remains low. Thus, our data indicate that EBOV is not undergoing rapid evolution in humans during the current outbreak. This finding has important implications for outbreak response and public health decisions and should alleviate several previously raised concerns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoenen, T -- Safronetz, D -- Groseth, A -- Wollenberg, K R -- Koita, O A -- Diarra, B -- Fall, I S -- Haidara, F C -- Diallo, F -- Sanogo, M -- Sarro, Y S -- Kone, A -- Togo, A C G -- Traore, A -- Kodio, M -- Dosseh, A -- Rosenke, K -- de Wit, E -- Feldmann, F -- Ebihara, H -- Munster, V J -- Zoon, K C -- Feldmann, H -- Sow, S -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2015 Apr 3;348(6230):117-9. doi: 10.1126/science.aaa5646. Epub 2015 Mar 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Hamilton, MT 59840, USA. ; Bioinformatics and Computational Biosciences Branch, NIAID, NIH, Bethesda, MD 20892, USA. ; Center of Research and Training for HIV and Tuberculosis, University of Science, Technique and Technologies of Bamako, Mali. ; World Health Organization Office, Bamako, Mali. ; Centre des Operations d'Urgence, Centre pour le Developpement des Vaccins (CVD-Mali), Centre National d'Appui a la lutte contre la Maladie, Ministere de la Sante et de l'Hygiene Publique, Bamako, Mali. ; World Health Organization Inter-Country Support Team, Ouagadougou, Burkina Faso. ; Rocky Mountain Veterinary Branch, Division of Intramural Research, NIAID, NIH, Hamilton, MT 59840, USA. ; Office of the Scientific Director, NIAID, NIH, Bethesda, MD 20895, USA. ; Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Hamilton, MT 59840, USA. feldmannh@niaid.nih.gov ssow@medicine.umaryland.edu. ; Centre des Operations d'Urgence, Centre pour le Developpement des Vaccins (CVD-Mali), Centre National d'Appui a la lutte contre la Maladie, Ministere de la Sante et de l'Hygiene Publique, Bamako, Mali. feldmannh@niaid.nih.gov ssow@medicine.umaryland.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25814067" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Disease Outbreaks ; Ebolavirus/classification/*genetics/isolation & purification ; Genotype ; Hemorrhagic Fever, Ebola/epidemiology/*virology ; Humans ; Mali/epidemiology ; Molecular Sequence Data ; *Mutation Rate ; Phylogeny
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  • 46
    Publication Date: 2015-09-01
    Description: DNA strand exchange plays a central role in genetic recombination across all kingdoms of life, but the physical basis for these reactions remains poorly defined. Using single-molecule imaging, we found that bacterial RecA and eukaryotic Rad51 and Dmc1 all stabilize strand exchange intermediates in precise three-nucleotide steps. Each step coincides with an energetic signature (0.3 kBT) that is conserved from bacteria to humans. Triplet recognition is strictly dependent on correct Watson-Crick pairing. Rad51, RecA, and Dmc1 can all step over mismatches, but only Dmc1 can stabilize mismatched triplets. This finding provides insight into why eukaryotes have evolved a meiosis-specific recombinase. We propose that canonical Watson-Crick base triplets serve as the fundamental unit of pairing interactions during DNA recombination.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4580133/" 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/PMC4580133/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Ja Yil -- Terakawa, Tsuyoshi -- Qi, Zhi -- Steinfeld, Justin B -- Redding, Sy -- Kwon, YoungHo -- Gaines, William A -- Zhao, Weixing -- Sung, Patrick -- Greene, Eric C -- CA146940/CA/NCI NIH HHS/ -- GM074739/GM/NIGMS NIH HHS/ -- R01 CA146940/CA/NCI NIH HHS/ -- R01 ES015252/ES/NIEHS NIH HHS/ -- R01 GM074739/GM/NIGMS NIH HHS/ -- R01ES015252/ES/NIEHS NIH HHS/ -- T32 GM007367/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):977-81. doi: 10.1126/science.aab2666.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY, USA. ; Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY, USA. Department of Biophysics, Kyoto University, Sakyo, Kyoto, Japan. ; Department of Chemistry, Columbia University, New York, NY, USA. ; Department of Molecular Biophysics and Biochemistry, Yale University School of Medicine, New Haven, CT, USA. ; Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY, USA. Howard Hughes Medical Institute, Columbia University, New York, NY, USA. ecg2108@cumc.columbia.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315438" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Pairing ; Base Sequence ; Cell Cycle Proteins/chemistry/metabolism ; DNA/*chemistry/*metabolism ; DNA, Single-Stranded/metabolism ; DNA-Binding Proteins/chemistry/metabolism ; Escherichia coli Proteins/chemistry/metabolism ; Evolution, Molecular ; *Homologous Recombination ; Humans ; Meiosis ; Molecular Dynamics Simulation ; Molecular Sequence Data ; Rad51 Recombinase/chemistry/*metabolism ; Rec A Recombinases/chemistry/*metabolism ; Recombinases/chemistry/*metabolism ; Saccharomyces cerevisiae Proteins/chemistry/*metabolism ; Thermodynamics
    Print ISSN: 0036-8075
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  • 47
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Evans, Susan -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):374-5. doi: 10.1126/science.aac5672. Epub 2015 Jul 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, University College London, London, UK. s.e.evans@ucl.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206915" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Extremities/*anatomy & histology ; Lizards/*anatomy & histology ; Snakes/*anatomy & histology/*classification
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  • 48
    Publication Date: 2015-11-21
    Description: Stabilization of the hypoxia-inducible factor 1 (HIF-1) increases life span and health span in nematodes through an unknown mechanism. We report that neuronal stabilization of HIF-1 mediates these effects in Caenorhabditis elegans through a cell nonautonomous signal to the intestine, which results in activation of the xenobiotic detoxification enzyme flavin-containing monooxygenase-2 (FMO-2). This prolongevity signal requires the serotonin biosynthetic enzyme TPH-1 in neurons and the serotonin receptor SER-7 in the intestine. Intestinal FMO-2 is also activated by dietary restriction (DR) and is necessary for DR-mediated life-span extension, which suggests that this enzyme represents a point of convergence for two distinct longevity pathways. FMOs are conserved in eukaryotes and induced by multiple life span-extending interventions in mice, which suggests that these enzymes may play a critical role in promoting health and longevity across phyla.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leiser, Scott F -- Miller, Hillary -- Rossner, Ryan -- Fletcher, Marissa -- Leonard, Alison -- Primitivo, Melissa -- Rintala, Nicholas -- Ramos, Fresnida J -- Miller, Dana L -- Kaeberlein, Matt -- P30AG013280/AG/NIA NIH HHS/ -- R00AGA0033050/PHS HHS/ -- R01AG038518/AG/NIA NIH HHS/ -- T32AG000057/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 11;350(6266):1375-8. doi: 10.1126/science.aac9257. Epub 2015 Nov 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Washington, Seattle, WA 98195, USA. ; Department of Biochemistry, University of Washington, Seattle, WA 98195, USA. ; Department of Pathology, University of Washington, Seattle, WA 98195, USA. kaeber@uw.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586189" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic Helix-Loop-Helix Transcription Factors/metabolism ; Caenorhabditis elegans/genetics/metabolism/*physiology ; Caenorhabditis elegans Proteins/chemistry/genetics/metabolism/*physiology ; Diet ; Intestines/*enzymology ; Longevity/genetics/*physiology ; Mice ; Neurons/*metabolism ; Oxygenases/genetics/*physiology ; Protein Stability ; RNA Interference ; Receptors, Serotonin/metabolism ; Signal Transduction ; Transcription Factors/chemistry/*metabolism ; Tryptophan Hydroxylase/metabolism
    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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  • 49
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-04-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fadri-Moskwik, Maria -- New York, N.Y. -- Science. 2015 Apr 10;348(6231):254. doi: 10.1126/science.348.6231.254.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Maria Fadri-Moskwik is a cellular and molecular biologist and most recently a clinical assistant professor at Washington State University, Spokane. For more on life and careers, visit ScienceCareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25859047" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Ecology ; *Marriage ; Molecular Biology
    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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  • 50
    Publication Date: 2015-01-03
    Description: Variation in vectorial capacity for human malaria among Anopheles mosquito species is determined by many factors, including behavior, immunity, and life history. To investigate the genomic basis of vectorial capacity and explore new avenues for vector control, we sequenced the genomes of 16 anopheline mosquito species from diverse locations spanning ~100 million years of evolution. Comparative analyses show faster rates of gene gain and loss, elevated gene shuffling on the X chromosome, and more intron losses, relative to Drosophila. Some determinants of vectorial capacity, such as chemosensory genes, do not show elevated turnover but instead diversify through protein-sequence changes. This dynamism of anopheline genes and genomes may contribute to their flexible capacity to take advantage of new ecological niches, including adapting to humans as primary hosts.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4380271/" 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/PMC4380271/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Neafsey, Daniel E -- Waterhouse, Robert M -- Abai, Mohammad R -- Aganezov, Sergey S -- Alekseyev, Max A -- Allen, James E -- Amon, James -- Arca, Bruno -- Arensburger, Peter -- Artemov, Gleb -- Assour, Lauren A -- Basseri, Hamidreza -- Berlin, Aaron -- Birren, Bruce W -- Blandin, Stephanie A -- Brockman, Andrew I -- Burkot, Thomas R -- Burt, Austin -- Chan, Clara S -- Chauve, Cedric -- Chiu, Joanna C -- Christensen, Mikkel -- Costantini, Carlo -- Davidson, Victoria L M -- Deligianni, Elena -- Dottorini, Tania -- Dritsou, Vicky -- Gabriel, Stacey B -- Guelbeogo, Wamdaogo M -- Hall, Andrew B -- Han, Mira V -- Hlaing, Thaung -- Hughes, Daniel S T -- Jenkins, Adam M -- Jiang, Xiaofang -- Jungreis, Irwin -- Kakani, Evdoxia G -- Kamali, Maryam -- Kemppainen, Petri -- Kennedy, Ryan C -- Kirmitzoglou, Ioannis K -- Koekemoer, Lizette L -- Laban, Njoroge -- Langridge, Nicholas -- Lawniczak, Mara K N -- Lirakis, Manolis -- Lobo, Neil F -- Lowy, Ernesto -- MacCallum, Robert M -- Mao, Chunhong -- Maslen, Gareth -- Mbogo, Charles -- McCarthy, Jenny -- Michel, Kristin -- Mitchell, Sara N -- Moore, Wendy -- Murphy, Katherine A -- Naumenko, Anastasia N -- Nolan, Tony -- Novoa, Eva M -- O'Loughlin, Samantha -- Oringanje, Chioma -- Oshaghi, Mohammad A -- Pakpour, Nazzy -- Papathanos, Philippos A -- Peery, Ashley N -- Povelones, Michael -- Prakash, Anil -- Price, David P -- Rajaraman, Ashok -- Reimer, Lisa J -- Rinker, David C -- Rokas, Antonis -- Russell, Tanya L -- Sagnon, N'Fale -- Sharakhova, Maria V -- Shea, Terrance -- Simao, Felipe A -- Simard, Frederic -- Slotman, Michel A -- Somboon, Pradya -- Stegniy, Vladimir -- Struchiner, Claudio J -- Thomas, Gregg W C -- Tojo, Marta -- Topalis, Pantelis -- Tubio, Jose M C -- Unger, Maria F -- Vontas, John -- Walton, Catherine -- Wilding, Craig S -- Willis, Judith H -- Wu, Yi-Chieh -- Yan, Guiyun -- Zdobnov, Evgeny M -- Zhou, Xiaofan -- Catteruccia, Flaminia -- Christophides, George K -- Collins, Frank H -- Cornman, Robert S -- Crisanti, Andrea -- Donnelly, Martin J -- Emrich, Scott J -- Fontaine, Michael C -- Gelbart, William -- Hahn, Matthew W -- Hansen, Immo A -- Howell, Paul I -- Kafatos, Fotis C -- Kellis, Manolis -- Lawson, Daniel -- Louis, Christos -- Luckhart, Shirley -- Muskavitch, Marc A T -- Ribeiro, Jose M -- Riehle, Michael A -- Sharakhov, Igor V -- Tu, Zhijian -- Zwiebel, Laurence J -- Besansky, Nora J -- 092654/Wellcome Trust/United Kingdom -- R01 AI050243/AI/NIAID NIH HHS/ -- R01 AI063508/AI/NIAID NIH HHS/ -- R01 AI073745/AI/NIAID NIH HHS/ -- R01 AI076584/AI/NIAID NIH HHS/ -- R01 AI080799/AI/NIAID NIH HHS/ -- R01 AI104956/AI/NIAID NIH HHS/ -- R21 AI101459/AI/NIAID NIH HHS/ -- R56 AI107263/AI/NIAID NIH HHS/ -- SC1 AI109055/AI/NIAID NIH HHS/ -- U19 AI089686/AI/NIAID NIH HHS/ -- U19 AI110818/AI/NIAID NIH HHS/ -- U41 HG007234/HG/NHGRI NIH HHS/ -- U54 HG003067/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jan 2;347(6217):1258522. doi: 10.1126/science.1258522. Epub 2014 Nov 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genome Sequencing and Analysis Program, Broad Institute, 415 Main Street, Cambridge, MA 02142, USA. neafsey@broadinstitute.org nbesansk@nd.edu. ; Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, 32 Vassar Street, Cambridge, MA 02139, USA. The Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main Street, Cambridge, MA 02142, USA. Department of Genetic Medicine and Development, University of Geneva Medical School, Rue Michel-Servet 1, 1211 Geneva, Switzerland. Swiss Institute of Bioinformatics, Rue Michel-Servet 1, 1211 Geneva, Switzerland. ; Department of Medical Entomology and Vector Control, School of Public Health and Institute of Health Researches, Tehran University of Medical Sciences, Tehran, Iran. ; George Washington University, Department of Mathematics and Computational Biology Institute, 45085 University Drive, Ashburn, VA 20147, USA. ; European Molecular Biology Laboratory, European Bioinformatics Institute, EMBL-EBI, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, UK. ; National Vector Borne Disease Control Programme, Ministry of Health, Tafea Province, Vanuatu. ; Department of Public Health and Infectious Diseases, Division of Parasitology, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy. ; Department of Biological Sciences, California State Polytechnic-Pomona, 3801 West Temple Avenue, Pomona, CA 91768, USA. ; Tomsk State University, 36 Lenina Avenue, Tomsk, Russia. ; Department of Computer Science and Engineering, Eck Institute for Global Health, 211B Cushing Hall, University of Notre Dame, Notre Dame, IN 46556, USA. ; Genome Sequencing and Analysis Program, Broad Institute, 415 Main Street, Cambridge, MA 02142, USA. ; Inserm, U963, F-67084 Strasbourg, France. CNRS, UPR9022, IBMC, F-67084 Strasbourg, France. ; Department of Life Sciences, Imperial College London, South Kensington Campus, London SW7 2AZ, UK. ; Faculty of Medicine, Health and Molecular Science, Australian Institute of Tropical Health Medicine, James Cook University, Cairns 4870, Australia. ; Department of Life Sciences, Imperial College London, Silwood Park Campus, Ascot SL5 7PY, UK. ; Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, 32 Vassar Street, Cambridge, MA 02139, USA. The Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main Street, Cambridge, MA 02142, USA. ; Department of Mathematics, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada. ; Department of Entomology and Nematology, One Shields Avenue, University of California-Davis, Davis, CA 95616, USA. ; Institut de Recherche pour le Developpement, Unites Mixtes de Recherche Maladies Infectieuses et Vecteurs Ecologie, Genetique, Evolution et Controle, 911, Avenue Agropolis, BP 64501 Montpellier, France. ; Division of Biology, Kansas State University, 271 Chalmers Hall, Manhattan, KS 66506, USA. ; Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology, Hellas, Nikolaou Plastira 100 GR-70013, Heraklion, Crete, Greece. ; Centre of Functional Genomics, University of Perugia, Perugia, Italy. ; Genomics Platform, Broad Institute, 415 Main Street, Cambridge, MA 02142, USA. ; Centre National de Recherche et de Formation sur le Paludisme, Ouagadougou 01 BP 2208, Burkina Faso. ; Program of Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. ; School of Life Sciences, University of Nevada, Las Vegas, NV 89154, USA. ; Department of Medical Research, No. 5 Ziwaka Road, Dagon Township, Yangon 11191, Myanmar. ; European Molecular Biology Laboratory, European Bioinformatics Institute, EMBL-EBI, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, UK. Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA. ; Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, USA. ; Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. Program of Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. ; Harvard School of Public Health, Department of Immunology and Infectious Diseases, Boston, MA 02115, USA. Dipartimento di Medicina Sperimentale e Scienze Biochimiche, Universita degli Studi di Perugia, Perugia, Italy. ; Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. ; Computational Evolutionary Biology Group, Faculty of Life Sciences, University of Manchester, Oxford Road, Manchester M13 9PT, UK. ; Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA 94143, USA. ; Department of Life Sciences, Imperial College London, South Kensington Campus, London SW7 2AZ, UK. Bioinformatics Research Laboratory, Department of Biological Sciences, New Campus, University of Cyprus, CY 1678 Nicosia, Cyprus. ; Wits Research Institute for Malaria, Faculty of Health Sciences, and Vector Control Reference Unit, National Institute for Communicable Diseases of the National Health Laboratory Service, Sandringham 2131, Johannesburg, South Africa. ; National Museums of Kenya, P.O. Box 40658-00100, Nairobi, Kenya. ; Department of Biology, University of Crete, 700 13 Heraklion, Greece. ; Eck Institute for Global Health and Department of Biological Sciences, University of Notre Dame, 317 Galvin Life Sciences Building, Notre Dame, IN 46556, USA. ; Virginia Bioinformatics Institute, 1015 Life Science Circle, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. ; Kenya Medical Research Institute-Wellcome Trust Research Programme, Centre for Geographic Medicine Research - Coast, P.O. Box 230-80108, Kilifi, Kenya. ; Harvard School of Public Health, Department of Immunology and Infectious Diseases, Boston, MA 02115, USA. ; Department of Entomology, 1140 East South Campus Drive, Forbes 410, University of Arizona, Tucson, AZ 85721, USA. ; Department of Medical Microbiology and Immunology, School of Medicine, University of California Davis, One Shields Avenue, Davis, CA 95616, USA. ; Department of Life Sciences, Imperial College London, South Kensington Campus, London SW7 2AZ, UK. Centre of Functional Genomics, University of Perugia, Perugia, Italy. ; Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, 3800 Spruce Street, Philadelphia, PA 19104, USA. ; Regional Medical Research Centre NE, Indian Council of Medical Research, P.O. Box 105, Dibrugarh-786 001, Assam, India. ; Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA. Molecular Biology Program, New Mexico State University, Las Cruces, NM 88003, USA. ; Department of Vector Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK. ; Center for Human Genetics Research, Vanderbilt University Medical Center, Nashville, TN 37235, USA. ; Center for Human Genetics Research, Vanderbilt University Medical Center, Nashville, TN 37235, USA. Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA. ; Department of Genetic Medicine and Development, University of Geneva Medical School, Rue Michel-Servet 1, 1211 Geneva, Switzerland. Swiss Institute of Bioinformatics, Rue Michel-Servet 1, 1211 Geneva, Switzerland. ; Department of Entomology, Texas A&M University, College Station, TX 77807, USA. ; Department of Parasitology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand. ; Fundacao Oswaldo Cruz, Avenida Brasil 4365, RJ Brazil. Instituto de Medicina Social, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil. ; School of Informatics and Computing, Indiana University, Bloomington, IN 47405, USA. ; Department of Physiology, School of Medicine, Center for Research in Molecular Medicine and Chronic Diseases, Instituto de Investigaciones Sanitarias, University of Santiago de Compostela, Santiago de Compostela, A Coruna, Spain. ; Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, CB10 1SA, UK. ; School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool L3 3AF, UK. ; Department of Cellular Biology, University of Georgia, Athens, GA 30602, USA. ; Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, 32 Vassar Street, Cambridge, MA 02139, USA. The Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main Street, Cambridge, MA 02142, USA. Department of Computer Science, Harvey Mudd College, Claremont, CA 91711, USA. ; Program in Public Health, College of Health Sciences, University of California, Irvine, Hewitt Hall, Irvine, CA 92697, USA. ; Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235, USA. ; Department of Vector Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK. Malaria Programme, Wellcome Trust Sanger Institute, Cambridge CB10 1SJ, UK. ; Eck Institute for Global Health and Department of Biological Sciences, University of Notre Dame, 317 Galvin Life Sciences Building, Notre Dame, IN 46556, USA. Centre of Evolutionary and Ecological Studies (Marine Evolution and Conservation group), University of Groningen, Nijenborgh 7, NL-9747 AG Groningen, Netherlands. ; Department of Molecular and Cellular Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA. ; Department of Biology, Indiana University, Bloomington, IN 47405, USA. School of Informatics and Computing, Indiana University, Bloomington, IN 47405, USA. ; Centers for Disease Control and Prevention, 1600 Clifton Road NE MSG49, Atlanta, GA 30329, USA. ; Department of Biology, University of Crete, 700 13 Heraklion, Greece. Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology, Hellas, Nikolaou Plastira 100 GR-70013, Heraklion, Crete, Greece. Centre of Functional Genomics, University of Perugia, Perugia, Italy. ; Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, USA. Biogen Idec, 14 Cambridge Center, Cambridge, MA 02142, USA. ; Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, 12735 Twinbrook Parkway, Rockville, MD 20852, USA. ; Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. Program of Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. ; Program of Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA. ; Departments of Biological Sciences and Pharmacology, Institutes for Chemical Biology, Genetics and Global Health, Vanderbilt University and Medical Center, Nashville, TN 37235, USA. ; Eck Institute for Global Health and Department of Biological Sciences, University of Notre Dame, 317 Galvin Life Sciences Building, Notre Dame, IN 46556, USA. neafsey@broadinstitute.org nbesansk@nd.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25554792" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles/classification/*genetics ; Base Sequence ; Chromosomes, Insect/genetics ; Drosophila/genetics ; *Evolution, Molecular ; *Genome, Insect ; Humans ; Insect Vectors/classification/*genetics ; Malaria/*transmission ; Molecular Sequence Data ; Phylogeny ; Sequence Alignment
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  • 51
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leslie, Mitch -- New York, N.Y. -- Science. 2015 May 8;348(6235):615-6. doi: 10.1126/science.348.6235.615.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25953984" target="_blank"〉PubMed〈/a〉
    Keywords: Archaea/enzymology/genetics/ultrastructure ; Bacteria/enzymology/genetics/ultrastructure ; *Biological Evolution ; Chloroplasts ; Eukaryota/*classification/genetics/*ultrastructure ; Mitochondria ; Oceans and Seas ; Seawater/*microbiology
    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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  • 52
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vermeij, Geerat -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1038. doi: 10.1126/science.aad7032.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dept. of Earth and Planetary Sciences, University of California at Davis, Davis, CA 95616, USA. gjvermeij@ucdavis.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26612940" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Biological ; Animals ; *Biological Evolution ; Cichlids/*anatomy & histology ; *Extinction, Biological ; Jaw/*anatomy & histology ; Pharynx/*anatomy & histology
    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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  • 53
    Publication Date: 2015-10-17
    Description: Transcriptional enhancers direct precise on-off patterns of gene expression during development. To explore the basis for this precision, we conducted a high-throughput analysis of the Otx-a enhancer, which mediates expression in the neural plate of Ciona embryos in response to fibroblast growth factor (FGF) signaling and a localized GATA determinant. We provide evidence that enhancer specificity depends on submaximal recognition motifs having reduced binding affinities ("suboptimization"). Native GATA and ETS (FGF) binding sites contain imperfect matches to consensus motifs. Perfect matches mediate robust but ectopic patterns of gene expression. The native sites are not arranged at optimal intervals, and subtle changes in their spacing alter enhancer activity. Multiple tiers of enhancer suboptimization produce specific, but weak, patterns of expression, and we suggest that clusters of weak enhancers, including certain "superenhancers," circumvent this trade-off in specificity and activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Farley, Emma K -- Olson, Katrina M -- Zhang, Wei -- Brandt, Alexander J -- Rokhsar, Daniel S -- Levine, Michael S -- GM46638/GM/NIGMS NIH HHS/ -- NS076542/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):325-8. doi: 10.1126/science.aac6948.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, Division of Genetics, Genomics and Development, Center for Integrative Genomics, University of California, Berkeley, CA 94720-3200, USA. Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA. msl2@princeton.edu ekfarley@princeton.edu. ; Department of Molecular and Cell Biology, Division of Genetics, Genomics and Development, Center for Integrative Genomics, University of California, Berkeley, CA 94720-3200, USA. Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA. ; Department of Medicine, University of California, San Diego, CA 92093-0688, USA. ; Department of Chemistry, University of California, Berkeley, CA 94720-3200, USA. ; Department of Molecular and Cell Biology, Division of Genetics, Genomics and Development, Center for Integrative Genomics, University of California, Berkeley, CA 94720-3200, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472909" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Ciona intestinalis/genetics/*growth & development ; Consensus Sequence ; Enhancer Elements, Genetic/genetics/*physiology ; Fas-Associated Death Domain Protein/metabolism ; Fibroblast Growth Factors/*metabolism ; GATA Transcription Factors/*metabolism ; *Gene Expression Regulation, Developmental ; Molecular Sequence Data ; Organ Specificity/genetics/physiology ; Otx Transcription Factors/*metabolism
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  • 54
    Publication Date: 2015-01-13
    Description: NADPH/NADP(+) (the reduced form of NADP(+)/nicotinamide adenine dinucleotide phosphate) homeostasis is critical for countering oxidative stress in cells. Nicotinamide nucleotide transhydrogenase (TH), a membrane enzyme present in both bacteria and mitochondria, couples the proton motive force to the generation of NADPH. We present the 2.8 A crystal structure of the transmembrane proton channel domain of TH from Thermus thermophilus and the 6.9 A crystal structure of the entire enzyme (holo-TH). The membrane domain crystallized as a symmetric dimer, with each protomer containing a putative proton channel. The holo-TH is a highly asymmetric dimer with the NADP(H)-binding domain (dIII) in two different orientations. This unusual arrangement suggests a catalytic mechanism in which the two copies of dIII alternatively function in proton translocation and hydride transfer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4479213/" 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/PMC4479213/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leung, Josephine H -- Schurig-Briccio, Lici A -- Yamaguchi, Mutsuo -- Moeller, Arne -- Speir, Jeffrey A -- Gennis, Robert B -- Stout, Charles D -- 1R01GM103838-01A1/GM/NIGMS NIH HHS/ -- 5R01GM061545/GM/NIGMS NIH HHS/ -- GM073197/GM/NIGMS NIH HHS/ -- GM095600/GM/NIGMS NIH HHS/ -- P41 GM103310/GM/NIGMS NIH HHS/ -- P41GM103310/GM/NIGMS NIH HHS/ -- R01 GM061545/GM/NIGMS NIH HHS/ -- R01 GM095600/GM/NIGMS NIH HHS/ -- R01 GM103838/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jan 9;347(6218):178-81. doi: 10.1126/science.1260451.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Department of Biochemistry, University of Illinois, Urbana, IL 61801, USA. ; National Resource for Automated Molecular Microscopy, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA. dave@scripps.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25574024" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Crystallography, X-Ray ; Molecular Sequence Data ; NADP Transhydrogenases/*chemistry ; Protein Multimerization ; Protein Structure, Tertiary ; *Protons ; Thermus thermophilus/enzymology
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  • 55
    Publication Date: 2015-07-15
    Description: The carnivoran giant panda has a specialized bamboo diet, to which its alimentary tract is poorly adapted. Measurements of daily energy expenditure across five captive and three wild pandas averaged 5.2 megajoules (MJ)/day, only 37.7% of the predicted value (13.8 MJ/day). For the wild pandas, the mean was 6.2 MJ/day, or 45% of the mammalian expectation. Pandas achieve this exceptionally low expenditure in part by reduced sizes of several vital organs and low physical activity. In addition, circulating levels of thyroid hormones thyroxine (T4) and triiodothyronine (T3) averaged 46.9 and 64%, respectively, of the levels expected for a eutherian mammal of comparable size. A giant panda-unique mutation in the DUOX2 gene, critical for thyroid hormone synthesis, might explain these low thyroid hormone levels. A combination of morphological, behavioral, physiological, and genetic adaptations, leading to low energy expenditure, likely enables giant pandas to survive on a bamboo diet.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nie, Yonggang -- Speakman, John R -- Wu, Qi -- Zhang, Chenglin -- Hu, Yibo -- Xia, Maohua -- Yan, Li -- Hambly, Catherine -- Wang, Lu -- Wei, Wei -- Zhang, Jinguo -- Wei, Fuwen -- New York, N.Y. -- Science. 2015 Jul 10;349(6244):171-4. doi: 10.1126/science.aab2413.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China. ; State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China. Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, Scotland, UK. ; Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China. ; Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, Scotland, UK. ; State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China. ; Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China. weifw@ioz.ac.cn.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160943" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Body Temperature ; Cattle ; Chromosomes, Human, Pair 15/genetics ; Diet/veterinary ; Dogs ; *Eating ; Energy Metabolism/genetics/*physiology ; Gastrointestinal Tract ; Genetic Variation ; Humans ; Mice ; Molecular Sequence Data ; Motor Activity ; NADPH Oxidase/*genetics ; Organ Size ; Sasa ; Thyroxine/blood ; Triiodothyronine/blood ; Ursidae/anatomy & histology/*genetics/*physiology
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  • 56
    Publication Date: 2015-06-20
    Description: Hawks et al. argue that our analysis of Australopithecus sediba mandibles is flawed and that specimen LD 350-1 cannot be distinguished from this, or any other, Australopithecus species. Our reexamination of the evidence confirms that LD 350-1 falls outside of the pattern that A. sediba shares with Australopithecus and thus is reasonably assigned to the genus Homo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Villmoare, Brian -- Kimbel, William H -- Seyoum, Chalachew -- Campisano, Christopher J -- DiMaggio, Erin -- Rowan, John -- Braun, David R -- Arrowsmith, J Ramon -- Reed, Kaye E -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1326. doi: 10.1126/science.aab1122.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Nevada Las Vegas, Las Vegas, NV, 89154, USA. Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. Department of Anthropology, University College London, London WC1H 0BW, UK. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; School of Human Evolution and Social Change and Institute of Human Origins, Arizona State University, Tempe, AZ 85287, USA. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; School of Human Evolution and Social Change and Institute of Human Origins, Arizona State University, Tempe, AZ 85287, USA. Authority for Research and Conservation of Cultural Heritage, Addis Ababa, Ethiopia. ; School of Human Evolution and Social Change and Institute of Human Origins, Arizona State University, Tempe, AZ 85287, USA. ; Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA. ; Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. ; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85281, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089506" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Hominidae/*anatomy & histology ; Humans
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  • 57
    Publication Date: 2015-03-06
    Description: Our understanding of the origin of the genus Homo has been hampered by a limited fossil record in eastern Africa between 2.0 and 3.0 million years ago (Ma). Here we report the discovery of a partial hominin mandible with teeth from the Ledi-Geraru research area, Afar Regional State, Ethiopia, that establishes the presence of Homo at 2.80 to 2.75 Ma. This specimen combines primitive traits seen in early Australopithecus with derived morphology observed in later Homo, confirming that dentognathic departures from the australopith pattern occurred early in the Homo lineage. The Ledi-Geraru discovery has implications for hypotheses about the timing and place of origin of the genus Homo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Villmoare, Brian -- Kimbel, William H -- Seyoum, Chalachew -- Campisano, Christopher J -- DiMaggio, Erin N -- Rowan, John -- Braun, David R -- Arrowsmith, J Ramon -- Reed, Kaye E -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1352-5. doi: 10.1126/science.aaa1343. Epub 2015 Mar 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Nevada Las Vegas, Las Vegas, NV 89154, USA. Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. Department of Anthropology, University College London, London WC1H 0BW, UK. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; Institute of Human Origins and School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. brian.villmoare@unlv.edu wkimbel.iho@asu.edu. ; Institute of Human Origins and School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. Authority for Research and Conservation of Cultural Heritage, Addis Ababa, Ethiopia. ; Institute of Human Origins and School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA. ; Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA. ; Center for the Advanced Study of Hominin Paleobiology, George Washington University, Washington, DC 20052, USA. ; School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85281, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25739410" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Ethiopia ; Fossils ; Hominidae/*anatomy & histology ; Humans ; Mandible/anatomy & histology ; Tooth/anatomy & histology
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  • 58
    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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  • 59
    Publication Date: 2015-01-31
    Description: The 18-kilodalton translocator protein (TSPO), proposed to be a key player in cholesterol transport into mitochondria, is highly expressed in steroidogenic tissues, metastatic cancer, and inflammatory and neurological diseases such as Alzheimer's and Parkinson's. TSPO ligands, including benzodiazepine drugs, are implicated in regulating apoptosis and are extensively used in diagnostic imaging. We report crystal structures (at 1.8, 2.4, and 2.5 angstrom resolution) of TSPO from Rhodobacter sphaeroides and a mutant that mimics the human Ala(147)--〉Thr(147) polymorphism associated with psychiatric disorders and reduced pregnenolone production. Crystals obtained in the lipidic cubic phase reveal the binding site of an endogenous porphyrin ligand and conformational effects of the mutation. The three crystal structures show the same tightly interacting dimer and provide insights into the controversial physiological role of TSPO and how the mutation affects cholesterol binding.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Fei -- Liu, Jian -- Zheng, Yi -- Garavito, R Michael -- Ferguson-Miller, Shelagh -- ACB-12002/PHS HHS/ -- AGM-12006/PHS HHS/ -- GM094625/GM/NIGMS NIH HHS/ -- GM26916/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jan 30;347(6221):555-8. doi: 10.1126/science.1260590.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA. ; Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA. fergus20@msu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25635101" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/*chemistry/*metabolism ; Binding Sites ; Cholesterol/metabolism ; Crystallography, X-Ray ; Humans ; Hydrogen Bonding ; Isoquinolines/metabolism ; Ligands ; Membrane Transport Proteins/*chemistry/*metabolism ; Models, Molecular ; Molecular Sequence Data ; Mutant Proteins/chemistry ; Polymorphism, Single Nucleotide ; Porphyrins/metabolism ; Protein Conformation ; Protein Multimerization ; Protein Structure, Secondary ; Protoporphyrins/metabolism ; Receptors, GABA/chemistry/genetics ; Rhodobacter sphaeroides/*chemistry
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, Dennis -- New York, N.Y. -- Science. 2015 Jul 10;349(6244):127-8. doi: 10.1126/science.349.6244.127.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160922" target="_blank"〉PubMed〈/a〉
    Keywords: Asian Continental Ancestry Group ; *Career Choice ; Faculty ; Female ; Goals ; Humans ; Japan ; *Research Personnel ; Science/*manpower ; *Women
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  • 61
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lichten, Michael -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):913. doi: 10.1126/science.aad5404. Epub 2015 Nov 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Cancer Institute, Bethesda, MD 20892, USA. mlichten@helix.nih.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586748" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *DNA Breaks, Double-Stranded ; *Evolution, Molecular ; Finches/*genetics ; *Gene Expression Regulation ; *Homologous Recombination ; Meiosis/*genetics ; *Recombination, Genetic ; Repressor Proteins/*genetics ; Saccharomyces cerevisiae/*genetics
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  • 62
    Publication Date: 2015-09-19
    Description: We studied the distributional preferences of an elite cadre of Yale Law School students, a group that will assume positions of power in U.S. society. Our experimental design allows us to test whether redistributive decisions are consistent with utility maximization and to decompose underlying preferences into two qualitatively different tradeoffs: fair-mindedness versus self-interest, and equality versus efficiency. Yale Law School subjects are more consistent than subjects drawn from the American Life Panel, a diverse sample of Americans. Relative to the American Life Panel, Yale Law School subjects are also less fair-minded and substantially more efficiency-focused. We further show that our measure of equality-efficiency tradeoffs predicts Yale Law School students' career choices: Equality-minded subjects are more likely to be employed at nonprofit organizations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fisman, Raymond -- Jakiela, Pamela -- Kariv, Shachar -- Markovits, Daniel -- New York, N.Y. -- Science. 2015 Sep 18;349(6254):aab0096. doi: 10.1126/science.aab0096.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Economics, Boston University, Boston, MA, USA. rfisman@bu.edu. ; Department of Agricultural and Resource Economics, University of Maryland, College Park, MD, USA. ; Department of Economics, University of California, Berkeley, Berkely, CA, USA. ; Yale Law School, Yale University, New Haven, CT, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26383958" target="_blank"〉PubMed〈/a〉
    Keywords: Administrative Personnel/*psychology ; Adult ; Attitude ; *Career Choice ; Employment ; Female ; Humans ; Jurisprudence ; Organizations, Nonprofit ; *Power (Psychology) ; Public Opinion ; *Resource Allocation ; Social Justice/*psychology ; Students ; United States
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  • 63
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, Robert F -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):372-3. doi: 10.1126/science.349.6246.372.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206914" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Collagen/chemistry ; *Extinction, Biological ; Fossils ; Humans ; Mammals ; Paleontology/*methods ; Proteomics/*methods ; Sequence Analysis, Protein/*methods ; Skull
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  • 64
    Publication Date: 2015-01-03
    Description: Lysosomes are crucial cellular organelles for human health that function in digestion and recycling of extracellular and intracellular macromolecules. We describe a signaling role for lysosomes that affects aging. In the worm Caenorhabditis elegans, the lysosomal acid lipase LIPL-4 triggered nuclear translocalization of a lysosomal lipid chaperone LBP-8, which promoted longevity by activating the nuclear hormone receptors NHR-49 and NHR-80. We used high-throughput metabolomic analysis to identify several lipids in which abundance was increased in worms constitutively overexpressing LIPL-4. Among them, oleoylethanolamide directly bound to LBP-8 and NHR-80 proteins, activated transcription of target genes of NHR-49 and NHR-80, and promoted longevity in C. elegans. These findings reveal a lysosome-to-nucleus signaling pathway that promotes longevity and suggest a function of lysosomes as signaling organelles in metazoans.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4425353/" 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/PMC4425353/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Folick, Andrew -- Oakley, Holly D -- Yu, Yong -- Armstrong, Eric H -- Kumari, Manju -- Sanor, Lucas -- Moore, David D -- Ortlund, Eric A -- Zechner, Rudolf -- Wang, Meng C -- F30 AG046043/AG/NIA NIH HHS/ -- F30AG046043/AG/NIA NIH HHS/ -- R00 AG034988/AG/NIA NIH HHS/ -- R00AG034988/AG/NIA NIH HHS/ -- R01 AG045183/AG/NIA NIH HHS/ -- R01 DK095750/DK/NIDDK NIH HHS/ -- R01AG045183/AG/NIA NIH HHS/ -- R01DK095750/DK/NIDDK NIH HHS/ -- T32 GM008602/GM/NIGMS NIH HHS/ -- T32GM008602/GM/NIGMS NIH HHS/ -- T32HD055200/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2015 Jan 2;347(6217):83-6. doi: 10.1126/science.1258857.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Developmental Biology, Baylor College of Medicine, Houston, TX 77030, USA. ; Huffington Center on Aging, Baylor College of Medicine, Houston, TX 77030, USA. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA. ; Department of Biochemistry, Discovery and Developmental Therapeutics, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA. ; Institute of Molecular Biosciences, University of Graz, Graz, A-8010, Austria. ; Huffington Center on Aging, Baylor College of Medicine, Houston, TX 77030, USA. ; Program in Developmental Biology, Baylor College of Medicine, Houston, TX 77030, USA. Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA. ; Program in Developmental Biology, Baylor College of Medicine, Houston, TX 77030, USA. Huffington Center on Aging, Baylor College of Medicine, Houston, TX 77030, USA. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA. wmeng@bcm.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25554789" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Animals ; Caenorhabditis elegans/genetics/*physiology ; Caenorhabditis elegans Proteins/genetics/*metabolism ; Cell Nucleus/metabolism ; Lipase/metabolism ; Lipid Metabolism ; Longevity/genetics/*physiology ; Lysosomes/*metabolism ; Molecular Chaperones/genetics/*metabolism ; Receptors, Cytoplasmic and Nuclear/metabolism ; Signal Transduction
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  • 65
    Publication Date: 2015-06-06
    Description: Retroviruses depend on self-assembly of their capsid proteins (core particle) to yield infectious mature virions. Despite the essential role of the retroviral core, its high polymorphism has hindered high-resolution structural analyses. Here, we report the x-ray structure of the native capsid (CA) protein from bovine leukemia virus. CA is organized as hexamers that deviate substantially from sixfold symmetry, yet adjust to make two-dimensional pseudohexagonal arrays that mimic mature retroviral cores. Intra- and interhexameric quasi-equivalent contacts are uncovered, with flexible trimeric lateral contacts among hexamers, yet preserving very similar dimeric interfaces making the lattice. The conformation of each capsid subunit in the hexamer is therefore dictated by long-range interactions, revealing how the hexamers can also assemble into closed core particles, a relevant feature of retrovirus biology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Obal, G -- Trajtenberg, F -- Carrion, F -- Tome, L -- Larrieux, N -- Zhang, X -- Pritsch, O -- Buschiazzo, A -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):95-8. doi: 10.1126/science.aaa5182. Epub 2015 Jun 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Pasteur de Montevideo, Unit of Protein Biophysics, Mataojo 2020, 11400, Montevideo, Uruguay. Departamento de Inmunobiologia, Facultad de Medicina, Universidad de la Republica, Avenida General Flores 2125, 11800, Montevideo, Uruguay. ; Institut Pasteur de Montevideo, Unit of Protein Crystallography, Mataojo 2020, 11400, Montevideo, Uruguay. ; Institut Pasteur de Montevideo, Unit of Protein Biophysics, Mataojo 2020, 11400, Montevideo, Uruguay. ; Institut Pasteur, Unite de Virologie Structurale, Departement de Virologie and CNRS Unite Mixte de Recherche 3569, 28, Rue du Docteur Roux, 75015, Paris, France. ; Institut Pasteur de Montevideo, Unit of Protein Biophysics, Mataojo 2020, 11400, Montevideo, Uruguay. Departamento de Inmunobiologia, Facultad de Medicina, Universidad de la Republica, Avenida General Flores 2125, 11800, Montevideo, Uruguay. pritsch@pasteur.edu.uy alebus@pasteur.edu.uy. ; Institut Pasteur de Montevideo, Unit of Protein Crystallography, Mataojo 2020, 11400, Montevideo, Uruguay. Institut Pasteur, Department of Structural Biology and Chemistry, 25, Rue du Dr Roux, 75015, Paris, France. pritsch@pasteur.edu.uy alebus@pasteur.edu.uy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26044299" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Capsid/*chemistry ; Capsid Proteins/*chemistry/genetics ; Cattle ; Crystallography, X-Ray ; Leukemia Virus, Bovine/*chemistry/genetics ; Molecular Sequence Data ; Mutation ; Protein Multimerization ; Protein Structure, Secondary
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wade, Lizzie -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):370-1. doi: 10.1126/science.349.6246.370. Epub 2015 Jul 23.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206913" target="_blank"〉PubMed〈/a〉
    Keywords: Analytic Sample Preparation Methods ; Animals ; Biodiversity ; *Biological Evolution ; *Caves ; Cold Temperature ; DNA/chemistry/*genetics/*isolation & purification ; Hot Temperature ; Mexico ; Rodentia/*genetics ; Tooth/chemistry ; *Tropical Climate
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  • 67
    Publication Date: 2015-09-01
    Description: A challenge of synthetic biology is the creation of cooperative microbial systems that exhibit population-level behaviors. Such systems use cellular signaling mechanisms to regulate gene expression across multiple cell types. We describe the construction of a synthetic microbial consortium consisting of two distinct cell types-an "activator" strain and a "repressor" strain. These strains produced two orthogonal cell-signaling molecules that regulate gene expression within a synthetic circuit spanning both strains. The two strains generated emergent, population-level oscillations only when cultured together. Certain network topologies of the two-strain circuit were better at maintaining robust oscillations than others. The ability to program population-level dynamics through the genetic engineering of multiple cooperative strains points the way toward engineering complex synthetic tissues and organs with multiple cell types.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4597888/" 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/PMC4597888/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Ye -- Kim, Jae Kyoung -- Hirning, Andrew J -- Josic, Kresimir -- Bennett, Matthew R -- R01 GM104974/GM/NIGMS NIH HHS/ -- R01GM104974/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):986-9. doi: 10.1126/science.aaa3794.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biosciences, Rice University, Houston, TX 77005, USA. ; Department of Mathematical Sciences, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea. Mathematical Biosciences Institute, The Ohio State University, Columbus, OH 43210, USA. ; Department of Mathematics, University of Houston, Houston, TX 77204, USA. Department of Biology and Biochemistry, University of Houston, Houston, TX 77204, USA. ; Department of Biosciences, Rice University, Houston, TX 77005, USA. Institute of Biosciences and Bioengineering, Rice University, Houston, TX 77005, USA. matthew.bennett@rice.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315440" target="_blank"〉PubMed〈/a〉
    Keywords: 4-Butyrolactone/analogs & derivatives/metabolism ; Escherichia coli/*genetics/*physiology ; Escherichia coli Proteins/genetics/metabolism ; Feedback, Physiological ; *Gene Expression Regulation, Bacterial ; *Gene Regulatory Networks ; Genetic Engineering ; Lab-On-A-Chip Devices ; Microbial Consortia/*genetics/*physiology ; Microbial Interactions ; Models, Biological ; Promoter Regions, Genetic ; Quorum Sensing ; Signal Transduction ; Synthetic Biology ; Transcription, Genetic
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  • 68
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wagner, Peter J -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):736-7. doi: 10.1126/science.aad6283.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA. wagnerpj@si.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564831" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Body Size ; Fishes/*anatomy & histology
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  • 69
    Publication Date: 2015-08-08
    Description: Cytoplasmic aggregation of TDP-43, accompanied by its nuclear clearance, is a key common pathological hallmark of amyotrophic lateral sclerosis and frontotemporal dementia (ALS-FTD). However, a limited understanding of this RNA-binding protein (RBP) impedes the clarification of pathogenic mechanisms underlying TDP-43 proteinopathy. In contrast to RBPs that regulate splicing of conserved exons, we found that TDP-43 repressed the splicing of nonconserved cryptic exons, maintaining intron integrity. When TDP-43 was depleted from mouse embryonic stem cells, these cryptic exons were spliced into messenger RNAs, often disrupting their translation and promoting nonsense-mediated decay. Moreover, enforced repression of cryptic exons prevented cell death in TDP-43-deficient cells. Furthermore, repression of cryptic exons was impaired in ALS-FTD cases, suggesting that this splicing defect could potentially underlie TDP-43 proteinopathy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ling, Jonathan P -- Pletnikova, Olga -- Troncoso, Juan C -- Wong, Philip C -- P50AG05146/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Aug 7;349(6248):650-5. doi: 10.1126/science.aab0983.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. ; Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. ; Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA. wong@jhmi.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26250685" target="_blank"〉PubMed〈/a〉
    Keywords: Amyotrophic Lateral Sclerosis/*genetics ; Animals ; Base Sequence ; Cells, Cultured ; Cysteine Endopeptidases/genetics ; DNA-Binding Proteins/genetics/*physiology ; Embryonic Stem Cells ; Exons/*genetics ; Frontotemporal Dementia/*genetics ; Gene Knockout Techniques ; HeLa Cells ; Humans ; Mice ; Molecular Sequence Data ; Protein Isoforms/genetics ; *RNA Splicing ; RNA Stability ; RNA, Messenger/metabolism ; Sequence Analysis, DNA
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  • 70
    Publication Date: 2015-02-07
    Description: Most undergraduates give high ratings to research experiences. Studies report that these experiences improve participation and persistence, often by strengthening students' views of themselves as scientists. Yet, the evidence for these claims is weak. More than half the 60 studies reviewed rely on self-report surveys or interviews. Rather than introducing new images of science, research experiences may reinforce flawed images especially of research practices and conceptual understanding. The most convincing studies show benefits for mentoring and for communicating the nature of science, but the ideas that students learn are often isolated or fragmented rather than integrated and coherent. Rigorous research is needed to identify ways to design research experiences so that they promote integrated understanding. These studies need powerful and generalizable assessments that can document student progress, help distinguish effective and ineffective aspects of the experiences, and illustrate how students interpret the research experiences they encounter. To create research experiences that meet the needs of interested students and make effective use of scarce resources, we encourage systematic, iterative studies with multiple indicators of success.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Linn, Marcia C -- Palmer, Erin -- Baranger, Anne -- Gerard, Elizabeth -- Stone, Elisa -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):1261757. doi: 10.1126/science.1261757.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Berkeley, CA, USA. mclinn@berkeley.edu. ; University of California, Berkeley, CA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657254" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Curriculum ; *Mentors ; Research/*education ; Students
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  • 71
    Publication Date: 2015-04-18
    Description: Protective CD8(+) T cell-mediated immunity requires a massive expansion in cell number and the development of long-lived memory cells. Using forward genetics in mice, we identified an orphan protein named lymphocyte expansion molecule (LEM) that promoted antigen-dependent CD8(+) T cell proliferation, effector function, and memory cell generation in response to infection with lymphocytic choriomeningitis virus. Generation of LEM-deficient mice confirmed these results. Through interaction with CR6 interacting factor (CRIF1), LEM controlled the levels of oxidative phosphorylation (OXPHOS) complexes and respiration, resulting in the production of pro-proliferative mitochondrial reactive oxygen species (mROS). LEM provides a link between immune activation and the expansion of protective CD8(+) T cells driven by OXPHOS and represents a pathway for the restoration of long-term protective immunity based on metabolically modified cytotoxic CD8(+) T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Okoye, Isobel -- Wang, Lihui -- Pallmer, Katharina -- Richter, Kirsten -- Ichimura, Takahuru -- Haas, Robert -- Crouse, Josh -- Choi, Onjee -- Heathcote, Dean -- Lovo, Elena -- Mauro, Claudio -- Abdi, Reza -- Oxenius, Annette -- Rutschmann, Sophie -- Ashton-Rickardt, Philip G -- A9995/Cancer Research UK/United Kingdom -- AI091930/AI/NIAID NIH HHS/ -- AI45108/AI/NIAID NIH HHS/ -- FS/12/38/29640/British Heart Foundation/United Kingdom -- G0700795/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 May 29;348(6238):995-1001. doi: 10.1126/science.aaa7516. Epub 2015 Apr 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Immunobiology, Division of Inflammation and Immunology, Department of Medicine, Faculty of Medicine, Imperial College London, Exhibition Road, London SW7 2AZ, UK. ; Institute of Microbiology, Eidgenossische Technische Hochschule Zurich (ETHZ), Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland. ; Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, 221 Longwood Avenue, Boston, MA 02215, USA. ; William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK. ; Section of Immunobiology, Division of Inflammation and Immunology, Department of Medicine, Faculty of Medicine, Imperial College London, Exhibition Road, London SW7 2AZ, UK. Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, 221 Longwood Avenue, Boston, MA 02215, USA. p.ashton-rickardt@imperial.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883318" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD8-Positive T-Lymphocytes/*immunology/*metabolism ; Cell Cycle Proteins/metabolism ; Cell Respiration ; Immunity, Cellular ; *Immunologic Memory ; Lymphocytic Choriomeningitis/immunology ; Lymphocytic choriomeningitis virus/immunology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Mitochondria/*metabolism ; Mitochondrial Proteins/genetics/*metabolism ; Molecular Sequence Data ; Oxidative Phosphorylation ; Reactive Oxygen Species/metabolism
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-14
    Description: Mammoths provide a detailed example of species origins and dispersal, but understanding has been impeded by taxonomic confusion, especially in North America. The Columbian mammoth Mammuthus columbi was thought to have evolved in North America from a more primitive Eurasian immigrant. The earliest American mammoths (1.5 million years ago), however, resemble the advanced Eurasian M. trogontherii that crossed the Bering land bridge around that time, giving rise directly to M. columbi. Woolly mammoth M. primigenius later evolved in Beringia and spread into Europe and North America, leading to a diversity of morphologies as it encountered endemic M. trogontherii and M. columbi, respectively. In North America, this included intermediates ("M. jeffersonii"), suggesting introgression of M. primigenius with M. columbi. The lineage illustrates the dynamic interplay of local adaptation, dispersal, and gene flow in the evolution of a widely distributed species complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lister, A M -- Sher, A V -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):805-9. doi: 10.1126/science.aac5660.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, Natural History Museum, London SW7 5BD, UK. a.lister@nhm.ac.uk. ; Severtsov Institute of Ecology and Evolution, Moscow 119071, Russia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564853" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animal Migration ; Animals ; *Biological Evolution ; Europe ; Fossils ; Gene Flow ; Mammoths/anatomy & histology/*classification/genetics ; Molar/anatomy & histology ; North America ; Tooth Wear/pathology
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jacobs, Madeleine -- New York, N.Y. -- Science. 2015 Apr 3;348(6230):150. doi: 10.1126/science.348.6230.150.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉A former editor-in-chief of C&EN, Madeleine Jacobs was CEO of ACS until she retired at the end of 2014. For more on life and careers, visit sciencecareers.sciencemag.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25838387" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Chemistry ; Female ; Humans ; *Journalism ; *Women, Working
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  • 74
    Publication Date: 2015-06-27
    Description: Cardiac progenitor cells are multipotent and give rise to cardiac endothelium, smooth muscle, and cardiomyocytes. Here, we define and characterize the cardiomyoblast intermediate that is committed to the cardiomyocyte fate, and we characterize the niche signals that regulate commitment. Cardiomyoblasts express Hopx, which functions to coordinate local Bmp signals to inhibit the Wnt pathway, thus promoting cardiomyogenesis. Hopx integrates Bmp and Wnt signaling by physically interacting with activated Smads and repressing Wnt genes. The identification of the committed cardiomyoblast that retains proliferative potential will inform cardiac regenerative therapeutics. In addition, Bmp signals characterize adult stem cell niches in other tissues where Hopx-mediated inhibition of Wnt is likely to contribute to stem cell quiescence and to explain the role of Hopx as a tumor suppressor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jain, Rajan -- Li, Deqiang -- Gupta, Mudit -- Manderfield, Lauren J -- Ifkovits, Jamie L -- Wang, Qiaohong -- Liu, Feiyan -- Liu, Ying -- Poleshko, Andrey -- Padmanabhan, Arun -- Raum, Jeffrey C -- Li, Li -- Morrisey, Edward E -- Lu, Min Min -- Won, Kyoung-Jae -- Epstein, Jonathan A -- 5-T32-GM-007170/GM/NIGMS NIH HHS/ -- K08 HL119553/HL/NHLBI NIH HHS/ -- K08 HL119553-02/HL/NHLBI NIH HHS/ -- R01 HL071546/HL/NHLBI NIH HHS/ -- U01 HL100405/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):aaa6071. doi: 10.1126/science.aaa6071.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, Penn Cardiovascular Institute, Institute of Regenerative Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Genetics, Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Cell and Developmental Biology, Penn Cardiovascular Institute, Institute of Regenerative Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. epsteinj@upenn.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113728" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bone Morphogenetic Proteins/genetics/*metabolism ; Cell Lineage/genetics ; Gene Expression ; *Gene Expression Regulation, Developmental ; Heart/*embryology ; Homeodomain Proteins/genetics/*metabolism ; Mice ; Mice, Mutant Strains ; Molecular Sequence Data ; Muscle, Smooth/cytology/metabolism ; Myoblasts, Cardiac/cytology/*metabolism ; Organogenesis/*genetics ; Stem Cell Niche/genetics/physiology ; Tumor Suppressor Proteins/genetics/*metabolism ; Wnt Signaling Pathway/*genetics
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  • 75
    Publication Date: 2015-01-09
    Description: The mechanistic target of rapamycin complex 1 (mTORC1) protein kinase is a master growth regulator that responds to multiple environmental cues. Amino acids stimulate, in a Rag-, Ragulator-, and vacuolar adenosine triphosphatase-dependent fashion, the translocation of mTORC1 to the lysosomal surface, where it interacts with its activator Rheb. Here, we identify SLC38A9, an uncharacterized protein with sequence similarity to amino acid transporters, as a lysosomal transmembrane protein that interacts with the Rag guanosine triphosphatases (GTPases) and Ragulator in an amino acid-sensitive fashion. SLC38A9 transports arginine with a high Michaelis constant, and loss of SLC38A9 represses mTORC1 activation by amino acids, particularly arginine. Overexpression of SLC38A9 or just its Ragulator-binding domain makes mTORC1 signaling insensitive to amino acid starvation but not to Rag activity. Thus, SLC38A9 functions upstream of the Rag GTPases and is an excellent candidate for being an arginine sensor for the mTORC1 pathway.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4295826/" 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/PMC4295826/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Shuyu -- Tsun, Zhi-Yang -- Wolfson, Rachel L -- Shen, Kuang -- Wyant, Gregory A -- Plovanich, Molly E -- Yuan, Elizabeth D -- Jones, Tony D -- Chantranupong, Lynne -- Comb, William -- Wang, Tim -- Bar-Peled, Liron -- Zoncu, Roberto -- Straub, Christoph -- Kim, Choah -- Park, Jiwon -- Sabatini, Bernardo L -- Sabatini, David M -- AI47389/AI/NIAID NIH HHS/ -- F30 CA180754/CA/NCI NIH HHS/ -- F31 AG044064/AG/NIA NIH HHS/ -- F31 CA180271/CA/NCI NIH HHS/ -- R01 CA103866/CA/NCI NIH HHS/ -- R37 AI047389/AI/NIAID NIH HHS/ -- T32 GM007287/GM/NIGMS NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jan 9;347(6218):188-94. doi: 10.1126/science.1257132. Epub 2015 Jan 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research and Massachusetts Institute of Technology, Department of Biology, 9 Cambridge Center, Cambridge, MA 02142, USA. Howard Hughes Medical Institute, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. Koch Institute for Integrative Cancer Research, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. Broad Institute of Harvard and Massachusetts Institute of Technology, 7 Cambridge Center, Cambridge, MA 02142, USA. ; Harvard Medical School, 260 Longwood Avenue, Boston, MA 02115, USA. ; Department of Neurobiology, Howard Hughes Medical Institute, Harvard Medical School, 220 Longwood Avenue, Boston, MA 02115, USA. ; Whitehead Institute for Biomedical Research and Massachusetts Institute of Technology, Department of Biology, 9 Cambridge Center, Cambridge, MA 02142, USA. Howard Hughes Medical Institute, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. Koch Institute for Integrative Cancer Research, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. Broad Institute of Harvard and Massachusetts Institute of Technology, 7 Cambridge Center, Cambridge, MA 02142, USA. sabatini@wi.mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25567906" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acid Transport Systems/chemistry/genetics/*metabolism ; Arginine/deficiency/*metabolism ; HEK293 Cells ; Humans ; Lysosomes/*enzymology ; Molecular Sequence Data ; Monomeric GTP-Binding Proteins/*metabolism ; Multiprotein Complexes/*metabolism ; Protein Structure, Tertiary ; Signal Transduction ; TOR Serine-Threonine Kinases/*metabolism
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  • 76
    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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  • 77
    Publication Date: 2015-06-13
    Description: Steffen et al. (Research Articles, 13 February 2015, p. 736) recently assessed current global freshwater use, finding it to be well below a corresponding planetary boundary. However, they ignored recent scientific advances implying that the global consumptive use of freshwater may have already crossed the associated planetary boundary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaramillo, Fernando -- Destouni, Georgia -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1217. doi: 10.1126/science.aaa9629. Epub 2015 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physical Geography, Stockholm University, SE-106 91, Stockholm, Sweden. Bolin Centre for Climate Research, Stockholm University, SE-106 91, Stockholm, Sweden. fernando.jaramillo@natgeo.su.se. ; Department of Physical Geography, Stockholm University, SE-106 91, Stockholm, Sweden. Bolin Centre for Climate Research, Stockholm University, SE-106 91, Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068843" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Climate Change ; *Earth (Planet) ; Humans ; *Ozone Depletion
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  • 78
    Publication Date: 2015-07-18
    Description: Secretion of the cytokine interleukin-1beta (IL-1beta) by macrophages, a major driver of pathogenesis in atherosclerosis, requires two steps: Priming signals promote transcription of immature IL-1beta, and then endogenous "danger" signals activate innate immune signaling complexes called inflammasomes to process IL-1beta for secretion. Although cholesterol crystals are known to act as danger signals in atherosclerosis, what primes IL-1beta transcription remains elusive. Using a murine model of atherosclerosis, we found that cholesterol crystals acted both as priming and danger signals for IL-1beta production. Cholesterol crystals triggered neutrophils to release neutrophil extracellular traps (NETs). NETs primed macrophages for cytokine release, activating T helper 17 (TH17) cells that amplify immune cell recruitment in atherosclerotic plaques. Therefore, danger signals may drive sterile inflammation, such as that seen in atherosclerosis, through their interactions with neutrophils.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Warnatsch, Annika -- Ioannou, Marianna -- Wang, Qian -- Papayannopoulos, Venizelos -- MC_UP_1202/13/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Jul 17;349(6245):316-20. doi: 10.1126/science.aaa8064. Epub 2015 Jul 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mill Hill Laboratory, Francis Crick Institute, London NW7 1AA, UK. ; Mill Hill Laboratory, Francis Crick Institute, London NW7 1AA, UK. veni.p@crick.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26185250" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apolipoproteins E/genetics ; Atherosclerosis/*immunology ; Cells, Cultured ; Cholesterol/chemistry/immunology ; Disease Models, Animal ; Extracellular Traps/*immunology ; Humans ; Inflammasomes/immunology ; Inflammation/immunology ; Interleukin-1beta/*biosynthesis/genetics ; Macrophages/*immunology ; Mice ; Mice, Mutant Strains ; Neutrophils/*immunology ; Signal Transduction ; Th17 Cells/immunology ; Transcription, Genetic
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  • 79
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gandhi, Kamal J K -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1122. doi: 10.1126/science.350.6264.1122.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Kamal J. K. Gandhi is an associate professor of forest entomology at the Daniel B. Warnell School of Forestry and Natural Resources at the University of Georgia, Athens. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26612954" target="_blank"〉PubMed〈/a〉
    Keywords: Canada ; *Career Choice ; *Ecology ; *Entomology ; Forests ; India ; United States
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  • 80
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-07-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garber, Ken -- New York, N.Y. -- Science. 2015 Jul 10;349(6244):129. doi: 10.1126/science.349.6244.129.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160924" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Oxidoreductases/chemistry/metabolism ; Collagen/metabolism ; Copper/*metabolism ; Humans ; Melanoma/drug therapy/pathology ; Neoplasms/*drug therapy/pathology ; Proto-Oncogene Proteins B-raf/*antagonists & inhibitors/genetics ; Signal Transduction ; Skin Diseases/drug therapy/pathology
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  • 81
    Publication Date: 2015-12-19
    Description: Voltage-gated sodium (Nav) channels propagate action potentials in excitable cells. Accordingly, Nav channels are therapeutic targets for many cardiovascular and neurological disorders. Selective inhibitors have been challenging to design because the nine mammalian Nav channel isoforms share high sequence identity and remain recalcitrant to high-resolution structural studies. Targeting the human Nav1.7 channel involved in pain perception, we present a protein-engineering strategy that has allowed us to determine crystal structures of a novel receptor site in complex with isoform-selective antagonists. GX-936 and related inhibitors bind to the activated state of voltage-sensor domain IV (VSD4), where their anionic aryl sulfonamide warhead engages the fourth arginine gating charge on the S4 helix. By opposing VSD4 deactivation, these compounds inhibit Nav1.7 through a voltage-sensor trapping mechanism, likely by stabilizing inactivated states of the channel. Residues from the S2 and S3 helices are key determinants of isoform selectivity, and bound phospholipids implicate the membrane as a modulator of channel function and pharmacology. Our results help to elucidate the molecular basis of voltage sensing and establish structural blueprints to design selective Nav channel antagonists.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ahuja, Shivani -- Mukund, Susmith -- Deng, Lunbin -- Khakh, Kuldip -- Chang, Elaine -- Ho, Hoangdung -- Shriver, Stephanie -- Young, Clint -- Lin, Sophia -- Johnson, J P Jr -- Wu, Ping -- Li, Jun -- Coons, Mary -- Tam, Christine -- Brillantes, Bobby -- Sampang, Honorio -- Mortara, Kyle -- Bowman, Krista K -- Clark, Kevin R -- Estevez, Alberto -- Xie, Zhiwei -- Verschoof, Henry -- Grimwood, Michael -- Dehnhardt, Christoph -- Andrez, Jean-Christophe -- Focken, Thilo -- Sutherlin, Daniel P -- Safina, Brian S -- Starovasnik, Melissa A -- Ortwine, Daniel F -- Franke, Yvonne -- Cohen, Charles J -- Hackos, David H -- Koth, Christopher M -- Payandeh, Jian -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):aac5464. doi: 10.1126/science.aac5464.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, Genentech Inc., South San Francisco, CA 94080, USA. ; Department of Neuroscience, Genentech Inc., South San Francisco, CA 94080, USA. ; Department of Biology, Xenon Pharmaceuticals Inc., Burnaby, British Columbia, V5G 4W8, Canada. ; Department of Discovery Chemistry, Genentech Inc., South San Francisco, CA 94080, USA. ; Department of Biochemical and Cellular Pharmacology, Genentech Inc., South San Francisco, CA 94080, USA. ; Department of Chemistry, Xenon Pharmaceuticals Inc., Burnaby, British Columbia, V5G 4W8, Canada. ; Department of Neuroscience, Genentech Inc., South San Francisco, CA 94080, USA. hackos.david@gene.com koth.christopher@gene.com payandeh.jian@gene.com. ; Department of Structural Biology, Genentech Inc., South San Francisco, CA 94080, USA. hackos.david@gene.com koth.christopher@gene.com payandeh.jian@gene.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26680203" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Membrane/chemistry ; Crystallization/methods ; Crystallography, X-Ray ; DNA Mutational Analysis ; Humans ; Models, Molecular ; Molecular Sequence Data ; NAV1.7 Voltage-Gated Sodium Channel/*chemistry/genetics ; Pain Perception/drug effects ; Protein Engineering ; Protein Isoforms/antagonists & inhibitors/chemistry ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Sodium Channel Blockers/*chemistry/*pharmacology ; Sulfonamides/*chemistry/*pharmacology ; Thiadiazoles/*chemistry/*pharmacology
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  • 82
    Publication Date: 2015-06-13
    Description: The spindle checkpoint of the cell division cycle senses kinetochores that are not attached to microtubules and prevents precocious onset of anaphase, which can lead to aneuploidy. The nuclear division cycle 80 complex (Ndc80C) is a major microtubule receptor at the kinetochore. Ndc80C also mediates the kinetochore recruitment of checkpoint proteins. We found that the checkpoint protein kinase monopolar spindle 1 (Mps1) directly bound to Ndc80C through two independent interactions. Both interactions involved the microtubule-binding surfaces of Ndc80C and were directly inhibited in the presence of microtubules. Elimination of one such interaction in human cells caused checkpoint defects expected from a failure to detect unattached kinetochores. Competition between Mps1 and microtubules for Ndc80C binding thus constitutes a direct mechanism for the detection of unattached kinetochores.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ji, Zhejian -- Gao, Haishan -- Yu, Hongtao -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1260-4. doi: 10.1126/science.aaa4029.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Pharmacology, University of Texas Southwestern Medical Center, 6001 Forest Park Road, Dallas, TX 74390, USA. ; Howard Hughes Medical Institute, Department of Pharmacology, University of Texas Southwestern Medical Center, 6001 Forest Park Road, Dallas, TX 74390, USA. hongtao.yu@utsouthwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068854" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding, Competitive ; *Cell Cycle ; Cell Cycle Proteins/genetics/*metabolism ; HeLa Cells ; Humans ; Kinetochores/*metabolism ; Microtubules/*metabolism ; Molecular Sequence Data ; Nuclear Proteins/*metabolism ; Protein Binding ; Protein-Serine-Threonine Kinases/genetics/*metabolism ; Protein-Tyrosine Kinases/genetics/*metabolism
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  • 83
    Publication Date: 2015-07-25
    Description: Lipid transfer between cell membrane bilayers at contacts between the endoplasmic reticulum (ER) and other membranes help to maintain membrane lipid homeostasis. We found that two similar ER integral membrane proteins, oxysterol-binding protein (OSBP)-related protein 5 (ORP5) and ORP8, tethered the ER to the plasma membrane (PM) via the interaction of their pleckstrin homology domains with phosphatidylinositol 4-phosphate (PI4P) in this membrane. Their OSBP-related domains (ORDs) harbored either PI4P or phosphatidylserine (PS) and exchanged these lipids between bilayers. Gain- and loss-of-function experiments showed that ORP5 and ORP8 could mediate PI4P/PS countertransport between the ER and the PM, thus delivering PI4P to the ER-localized PI4P phosphatase Sac1 for degradation and PS from the ER to the PM. This exchange helps to control plasma membrane PI4P levels and selectively enrich PS in the PM.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4638224/" 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/PMC4638224/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chung, Jeeyun -- Torta, Federico -- Masai, Kaori -- Lucast, Louise -- Czapla, Heather -- Tanner, Lukas B -- Narayanaswamy, Pradeep -- Wenk, Markus R -- Nakatsu, Fubito -- De Camilli, Pietro -- DA018343/DA/NIDA NIH HHS/ -- DK082700/DK/NIDDK NIH HHS/ -- DK45735/DK/NIDDK NIH HHS/ -- P30 DA018343/DA/NIDA NIH HHS/ -- P30 DK045735/DK/NIDDK NIH HHS/ -- R01 DK082700/DK/NIDDK NIH HHS/ -- R37 NS036251/NS/NINDS NIH HHS/ -- R37NS036251/NS/NINDS NIH HHS/ -- T32 GM007223/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):428-32. doi: 10.1126/science.aab1370.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Howard Hughes Medical Institute, Kavli Institute for Neuroscience, and Program for Cellular Neuroscience, Neurodegeneration, and Repair, Yale School of Medicine, New Haven, CT 06520, USA. ; Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, 117456 Singapore. ; Department of Cell Biology, Howard Hughes Medical Institute, Kavli Institute for Neuroscience, and Program for Cellular Neuroscience, Neurodegeneration, and Repair, Yale School of Medicine, New Haven, CT 06520, USA. pietro.decamilli@yale.edu nakatsu@med.niigata-u.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206935" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Biological Transport ; Cell Membrane/*metabolism ; Endoplasmic Reticulum/*metabolism ; Gene Knockout Techniques ; HeLa Cells ; Humans ; Molecular Sequence Data ; Phosphatidylinositol Phosphates/*metabolism ; Phosphatidylserines/*metabolism ; Protein Structure, Tertiary ; Receptors, Steroid/chemistry/genetics/*metabolism
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  • 84
    Publication Date: 2015-03-15
    Description: Rgs2, a regulator of G proteins, lowers blood pressure by decreasing signaling through Galphaq. Human patients expressing Met-Leu-Rgs2 (ML-Rgs2) or Met-Arg-Rgs2 (MR-Rgs2) are hypertensive relative to people expressing wild-type Met-Gln-Rgs2 (MQ-Rgs2). We found that wild-type MQ-Rgs2 and its mutant, MR-Rgs2, were destroyed by the Ac/N-end rule pathway, which recognizes N(alpha)-terminally acetylated (Nt-acetylated) proteins. The shortest-lived mutant, ML-Rgs2, was targeted by both the Ac/N-end rule and Arg/N-end rule pathways. The latter pathway recognizes unacetylated N-terminal residues. Thus, the Nt-acetylated Ac-MX-Rgs2 (X = Arg, Gln, Leu) proteins are specific substrates of the mammalian Ac/N-end rule pathway. Furthermore, the Ac/N-degron of Ac-MQ-Rgs2 was conditional, and Teb4, an endoplasmic reticulum (ER) membrane-embedded ubiquitin ligase, was able to regulate G protein signaling by targeting Ac-MX-Rgs2 proteins for degradation through their N(alpha)-terminal acetyl group.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4748709/" 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/PMC4748709/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Park, Sang-Eun -- Kim, Jeong-Mok -- Seok, Ok-Hee -- Cho, Hanna -- Wadas, Brandon -- Kim, Seon-Young -- Varshavsky, Alexander -- Hwang, Cheol-Sang -- DK039520/DK/NIDDK NIH HHS/ -- GM031530/GM/NIGMS NIH HHS/ -- R01 DK039520/DK/NIDDK NIH HHS/ -- R01 GM031530/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1249-52. doi: 10.1126/science.aaa3844.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk 790-784, South Korea. ; Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA. ; Medical Genomics Research Center, KRIBB, Daejeon, South Korea. Department of Functional Genomics, University of Science and Technology, Daejeon, South Korea. ; Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA. cshwang@postech.ac.kr avarsh@caltech.edu. ; Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk 790-784, South Korea. cshwang@postech.ac.kr avarsh@caltech.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766235" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Amino Acid Sequence ; GTP-Binding Protein alpha Subunits, Gq-G11/metabolism ; HEK293 Cells ; HeLa Cells ; Humans ; Membrane Proteins/genetics/metabolism ; Mutant Proteins/chemistry/metabolism ; Protein Processing, Post-Translational ; Protein Stability ; Proteolysis ; RGS Proteins/chemistry/genetics/*metabolism ; Saccharomyces cerevisiae/genetics/metabolism ; Signal Transduction ; Ubiquitin-Protein Ligases/genetics/metabolism ; Ubiquitination
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  • 85
    Publication Date: 2015-10-31
    Description: Miocene small-bodied anthropoid primates from Africa and Eurasia are generally considered to precede the divergence between the two groups of extant catarrhines-hominoids (apes and humans) and Old World monkeys-and are thus viewed as more primitive than the stem ape Proconsul. Here we describe Pliobates cataloniae gen. et sp. nov., a small-bodied (4 to 5 kilograms) primate from the Iberian Miocene (11.6 million years ago) that displays a mosaic of primitive characteristics coupled with multiple cranial and postcranial shared derived features of extant hominoids. Our cladistic analyses show that Pliobates is a stem hominoid that is more derived than previously described small catarrhines and Proconsul. This forces us to reevaluate the role played by small-bodied catarrhines in ape evolution and provides key insight into the last common ancestor of hylobatids (gibbons) and hominids (great apes and humans).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alba, David M -- Almecija, Sergio -- DeMiguel, Daniel -- Fortuny, Josep -- Perez de los Rios, Miriam -- Pina, Marta -- Robles, Josep M -- Moya-Sola, Salvador -- New York, N.Y. -- Science. 2015 Oct 30;350(6260):aab2625. doi: 10.1126/science.aab2625. Epub 2015 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Catala de Paleontologia Miquel Crusafont (ICP), Universitat Autonoma de Barcelona (UAB), Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. ; Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Washington, DC 20052, USA. Institut Catala de Paleontologia Miquel Crusafont (ICP), Universitat Autonoma de Barcelona (UAB), Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. ; Institut Catala de Paleontologia Miquel Crusafont (ICP), Universitat Autonoma de Barcelona (UAB), Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. FOSSILIA Serveis Paleontologics i Geologics, Jaume I 87, 5e 1a, 08470 Sant Celoni, Barcelona, Spain. ; Institucio Catalana de Recerca i Estudis Avancats at ICP and Unitat d'Antropologia Biologica (Department de Biologia Animal, de Biologia Vegetal i d'Ecologia), Universitat Autonoma de Barcelona, Edifici ICTA-ICP, Carrer de les Columnes sense numero, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516285" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Weight ; Bone and Bones/anatomy & histology ; Brain/anatomy & histology/growth & development ; Dentition ; Hominidae/anatomy & histology/*classification/growth & development ; Humans ; Hylobates/anatomy & histology/*classification/growth & development ; Phylogeny ; Skull/anatomy & histology/growth & development ; Spain
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  • 86
    Publication Date: 2015-06-27
    Description: Bacterial adaptive immunity uses CRISPR (clustered regularly interspaced short palindromic repeats)-associated (Cas) proteins together with CRISPR transcripts for foreign DNA degradation. In type II CRISPR-Cas systems, activation of Cas9 endonuclease for DNA recognition upon guide RNA binding occurs by an unknown mechanism. Crystal structures of Cas9 bound to single-guide RNA reveal a conformation distinct from both the apo and DNA-bound states, in which the 10-nucleotide RNA "seed" sequence required for initial DNA interrogation is preordered in an A-form conformation. This segment of the guide RNA is essential for Cas9 to form a DNA recognition-competent structure that is poised to engage double-stranded DNA target sequences. We construe this as convergent evolution of a "seed" mechanism reminiscent of that used by Argonaute proteins during RNA interference in eukaryotes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jiang, Fuguo -- Zhou, Kaihong -- Ma, Linlin -- Gressel, Saskia -- Doudna, Jennifer A -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):1477-81. doi: 10.1126/science.aab1452.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. ; Howard Hughes Medical Institute, University of California, Berkeley, CA 94720, USA. ; Max Planck Institute for Biophysical Chemistry, 37077 Gottingen, Germany. ; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. Howard Hughes Medical Institute, University of California, Berkeley, CA 94720, USA. California Institute for Quantitative Biosciences, University of California, Berkeley, CA 94720, USA. Department of Chemistry, University of California, Berkeley, CA 94720, USA. Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA. Innovative Genomics Initiative, University of California, Berkeley, CA 94720, USA. doudna@berkeley.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113724" target="_blank"〉PubMed〈/a〉
    Keywords: Argonaute Proteins/*chemistry ; Base Sequence ; *CRISPR-Cas Systems ; Caspase 9/*chemistry/genetics ; *Clustered Regularly Interspaced Short Palindromic Repeats ; Crystallography, X-Ray ; DNA/chemistry ; *DNA Cleavage ; Enzyme Activation ; Evolution, Molecular ; Molecular Sequence Data ; Nucleic Acid Conformation ; Protein Structure, Tertiary ; RNA Interference ; RNA, Guide/*chemistry ; Streptococcus pyogenes/*enzymology
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  • 87
    Publication Date: 2015-10-17
    Description: Polycomb repressive complex 2 (PRC2) catalyzes histone H3K27 trimethylation (H3K27me3), a hallmark of gene silencing. Here we report the crystal structures of an active PRC2 complex of 170 kilodaltons from the yeast Chaetomium thermophilum in both basal and stimulated states, which contain Ezh2, Eed, and the VEFS domain of Suz12 and are bound to a cancer-associated inhibiting H3K27M peptide and a S-adenosyl-l-homocysteine cofactor. The stimulated complex also contains an additional stimulating H3K27me3 peptide. Eed is engulfed by a belt-like structure of Ezh2, and Suz12(VEFS) contacts both of these two subunits to confer an unusual split active SET domain for catalysis. Comparison of PRC2 in the basal and stimulated states reveals a mobile Ezh2 motif that responds to stimulation to allosterically regulate the active site.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jiao, Lianying -- Liu, Xin -- GM114576/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):aac4383. doi: 10.1126/science.aac4383. Epub 2015 Oct 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cecil H. and Ida Green Center for Reproductive Biology Sciences and Division of Basic Research, Department of Obstetrics and Gynecology and Department of Biophysics, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. ; Cecil H. and Ida Green Center for Reproductive Biology Sciences and Division of Basic Research, Department of Obstetrics and Gynecology and Department of Biophysics, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. xin.liu@utsouthwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472914" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation ; Amino Acid Sequence ; Catalysis ; Catalytic Domain ; Chaetomium/genetics/*metabolism ; Crystallography, X-Ray ; Fungal Proteins/antagonists & inhibitors/*chemistry/metabolism ; *Gene Silencing ; Histones/*metabolism ; Humans ; Jumonji Domain-Containing Histone Demethylases/metabolism ; Methylation ; Molecular Sequence Data ; Mutation ; Neoplasms/genetics ; Polycomb Repressive Complex 2/antagonists & inhibitors/*chemistry/metabolism ; Protein Structure, Tertiary ; S-Adenosylhomocysteine/chemistry/metabolism ; Transcription, Genetic
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  • 88
    Publication Date: 2015-06-27
    Description: Algal blooms produce large amounts of dimethyl sulfide (DMS), a volatile with a diverse signaling role in marine food webs that is emitted to the atmosphere, where it can affect cloud formation. The algal enzymes responsible for forming DMS from dimethylsulfoniopropionate (DMSP) remain unidentified despite their critical role in the global sulfur cycle. We identified and characterized Alma1, a DMSP lyase from the bloom-forming algae Emiliania huxleyi. Alma1 is a tetrameric, redox-sensitive enzyme of the aspartate racemase superfamily. Recombinant Alma1 exhibits biochemical features identical to the DMSP lyase in E. huxleyi, and DMS released by various E. huxleyi isolates correlates with their Alma1 levels. Sequence homology searches suggest that Alma1 represents a gene family present in major, globally distributed phytoplankton taxa and in other marine organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alcolombri, Uria -- Ben-Dor, Shifra -- Feldmesser, Ester -- Levin, Yishai -- Tawfik, Dan S -- Vardi, Assaf -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):1466-9. doi: 10.1126/science.aab1586.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel. Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 76100, Israel. ; Bioinformatics and Biological Computing Unit, Biological Services, Weizmann Institute of Science, Rehovot 76100, Israel. ; Nancy and Stephen Grand Israel National Center for Personalized Medicine, Weizmann Institute of Science, Rehovot 76100, Israel. ; Department of Biological Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel. assaf.vardi@weizmann.ac.il dan.tawfik@weizmann.ac.il. ; Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot 76100, Israel. assaf.vardi@weizmann.ac.il dan.tawfik@weizmann.ac.il.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113722" target="_blank"〉PubMed〈/a〉
    Keywords: Algal Proteins/*chemistry/classification/genetics ; Amino Acid Sequence ; Bacteria/enzymology/genetics ; Carbon-Sulfur Lyases/*chemistry/classification/genetics ; Haptophyta/*enzymology/genetics ; Molecular Sequence Data ; Phylogeny ; Phytoplankton/enzymology ; RNA, Messenger/biosynthesis ; Recombinant Proteins/chemistry ; Sulfides/*metabolism
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  • 89
    Publication Date: 2015-09-26
    Description: Mitochondria fulfill central functions in cellular energetics, metabolism, and signaling. The outer membrane translocator complex (the TOM complex) imports most mitochondrial proteins, but its architecture is unknown. Using a cross-linking approach, we mapped the active translocator down to single amino acid residues, revealing different transport paths for preproteins through the Tom40 channel. An N-terminal segment of Tom40 passes from the cytosol through the channel to recruit chaperones from the intermembrane space that guide the transfer of hydrophobic preproteins. The translocator contains three Tom40 beta-barrel channels sandwiched between a central alpha-helical Tom22 receptor cluster and external regulatory Tom proteins. The preprotein-translocating trimeric complex exchanges with a dimeric isoform to assemble new TOM complexes. Dynamic coupling of alpha-helical receptors, beta-barrel channels, and chaperones generates a versatile machinery that transports about 1000 different proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shiota, Takuya -- Imai, Kenichiro -- Qiu, Jian -- Hewitt, Victoria L -- Tan, Khershing -- Shen, Hsin-Hui -- Sakiyama, Noriyuki -- Fukasawa, Yoshinori -- Hayat, Sikander -- Kamiya, Megumi -- Elofsson, Arne -- Tomii, Kentaro -- Horton, Paul -- Wiedemann, Nils -- Pfanner, Nikolaus -- Lithgow, Trevor -- Endo, Toshiya -- New York, N.Y. -- Science. 2015 Sep 25;349(6255):1544-8. doi: 10.1126/science.aac6428.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biomedicine Discovery Institute and Department of Microbiology, Monash University, Melbourne, Victoria 3800, Australia. Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya 464-8602, Japan. ; Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, 2-4-7 Aomi, Koto-ku, Tokyo 135-0064, Japan. ; Institut fur Biochemie und Molekularbiologie, Universitat Freiburg, 79104 Freiburg, Germany. ; Biomedicine Discovery Institute and Department of Microbiology, Monash University, Melbourne, Victoria 3800, Australia. ; Department of Biochemistry and Biophysics and Science for Life Laboratory, Stockholm University, Box 1031, 17121 Solna, Sweden. ; Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya 464-8602, Japan. ; Institut fur Biochemie und Molekularbiologie, Universitat Freiburg, 79104 Freiburg, Germany. Centre for Biological Signalling Studies, Universitat Freiburg, 79104 Freiburg, Germany. ; Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya 464-8602, Japan. Faculty of Life Sciences, Kyoto Sangyo University, Kamigamo-motoyama, Kita-ku, Kyoto 603-8555, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26404837" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cytosol/metabolism ; Mitochondrial Membrane Transport Proteins/*chemistry/metabolism ; Molecular Chaperones ; Molecular Sequence Data ; Protein Multimerization ; Protein Structure, Secondary ; Protein Transport ; Saccharomyces cerevisiae Proteins/*chemistry/metabolism
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  • 90
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lu, Xin -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):350. doi: 10.1126/science.350.6258.350.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Xin Lu is a professor of zoology at Wuhan University in China and the co-director of the Wuhan University-Tibet University Field Research Station for Tibetan Wildlife. He is vice president of the China Ornithological Society. He would like to thank Ronna Edelstein, Lugene Calderone, and Marinne Renton for comments. For more on life and careers, visit sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472912" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; Reward ; Spirituality ; Tibet ; *Zoology
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  • 91
    Publication Date: 2015-06-06
    Description: Skinner and colleagues (Research Article, 23 January 2015, p. 395), based on metacarpal trabecular bone structure, argue that Australopithecus africanus employed human-like dexterity for stone tool making and use 3 million years ago. However, their evolutionary and biological assumptions are misinformed, failing to refute the previously existing hypothesis that human-like manipulation preceded systematized stone tool manufacture, as indicated by the fossil record.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Almecija, Sergio -- Wallace, Ian J -- Judex, Stefan -- Alba, David M -- Moya-Sola, Salvador -- New York, N.Y. -- Science. 2015 Jun 5;348(6239):1101. doi: 10.1126/science.aaa8414.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomical Sciences, Stony Brook University, Stony Brook, NY 11794, USA. Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Science and Engineering Hall, 800 22nd Street NW, Washington, DC 20052, USA. Institut Catala de Paleontologia Miquel Crusafont, Universitat Autonoma de Barcelona, Edifici ICTA-ICP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. sergio.almecija@gmail.com. ; Department of Anthropology, Stony Brook University, Stony Brook, NY 11794, USA. ; Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794, USA. ; Institut Catala de Paleontologia Miquel Crusafont, Universitat Autonoma de Barcelona, Edifici ICTA-ICP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain. ; ICREA at Institut Catala de Paleontologia Miquel Crusafont and Unitat d'Antropologia Biologica (Departament BABVE), Universitat Autonoma de Barcelona, Edifici ICTA-CP, Carrer de les Columnes s/n, Campus de la UAB, 08193 Cerdanyola del Valles, Barcelona, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26045428" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Humans ; Metacarpal Bones/*anatomy & histology ; Metacarpus/*anatomy & histology ; Thumb/*anatomy & histology
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  • 92
    Publication Date: 2015-06-13
    Description: Jaramillo and Destouni claim that freshwater consumption is beyond the planetary boundary, based on high estimates of water cycle components, different definitions of water consumption, and extrapolation from a single case study. The difference from our analysis, based on mainstream assessments of global water consumption, highlights the need for clearer definitions of water cycle components and improved models and databases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gerten, Dieter -- Rockstrom, Johan -- Heinke, Jens -- Steffen, Will -- Richardson, Katherine -- Cornell, Sarah -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1217. doi: 10.1126/science.aab0031. Epub 2015 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Domain of Earth System Analysis, Potsdam Institute for Climate Impact Research, 14473 Potsdam, Germany. gerten@pik-potsdam.de. ; Stockholm Resilience Centre, Stockholm University, 10691 Stockholm, Sweden. ; Research Domain of Earth System Analysis, Potsdam Institute for Climate Impact Research, 14473 Potsdam, Germany. International Livestock Research Institute, Nairobi, 00100 Kenya. Commonwealth Scientific and Industrial Research Organization, St. Lucia, QLD 4067, Australia. ; Stockholm Resilience Centre, Stockholm University, 10691 Stockholm, Sweden. Fenner School of Environment and Society, The Australian National University, Canberra, ACT 2601, Australia. ; Center for Macroecology, Evolution, and Climate, University of Copenhagen, Natural History Museum of Denmark, 2100 Copenhagen, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068844" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Climate Change ; *Earth (Planet) ; Humans ; *Ozone Depletion
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  • 93
    Publication Date: 2015-10-31
    Description: Transcription factors (TFs) bind specific sequences in promoter-proximal and -distal DNA elements to regulate gene transcription. RNA is transcribed from both of these DNA elements, and some DNA binding TFs bind RNA. Hence, RNA transcribed from regulatory elements may contribute to stable TF occupancy at these sites. We show that the ubiquitously expressed TF Yin-Yang 1 (YY1) binds to both gene regulatory elements and their associated RNA species across the entire genome. Reduced transcription of regulatory elements diminishes YY1 occupancy, whereas artificial tethering of RNA enhances YY1 occupancy at these elements. We propose that RNA makes a modest but important contribution to the maintenance of certain TFs at gene regulatory elements and suggest that transcription of regulatory elements produces a positive-feedback loop that contributes to the stability of gene expression programs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720525/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4720525/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sigova, Alla A -- Abraham, Brian J -- Ji, Xiong -- Molinie, Benoit -- Hannett, Nancy M -- Guo, Yang Eric -- Jangi, Mohini -- Giallourakis, Cosmas C -- Sharp, Phillip A -- Young, Richard A -- HG002668/HG/NHGRI NIH HHS/ -- R01 HG002668/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):978-81. doi: 10.1126/science.aad3346. Epub 2015 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. ; Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. ; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. David H. Koch Institute for Integrative Cancer Research, Cambridge, MA 02140, USA. ; Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. young@wi.mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26516199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cell Line ; Consensus Sequence ; DNA/metabolism ; Embryonic Stem Cells/metabolism ; *Enhancer Elements, Genetic ; *Gene Expression Regulation ; Mice ; *Promoter Regions, Genetic ; RNA, Messenger/*metabolism ; *Transcription, Genetic ; YY1 Transcription Factor/*metabolism
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  • 94
    Publication Date: 2015-08-15
    Description: The evolution of sexual reproduction is often explained by Red Queen dynamics: Organisms must continually evolve to maintain fitness relative to interacting organisms, such as parasites. Recombination accompanies sexual reproduction and helps diversify an organism's offspring, so that parasites cannot exploit static host genotypes. Here we show that Drosophila melanogaster plastically increases the production of recombinant offspring after infection. The response is consistent across genetic backgrounds, developmental stages, and parasite types but is not induced after sterile wounding. Furthermore, the response appears to be driven by transmission distortion rather than increased recombination. Our study extends the Red Queen model to include the increased production of recombinant offspring and uncovers a remarkable ability of hosts to actively distort their recombination fraction in rapid response to environmental cues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Singh, Nadia D -- Criscoe, Dallas R -- Skolfield, Shelly -- Kohl, Kathryn P -- Keebaugh, Erin S -- Schlenke, Todd A -- New York, N.Y. -- Science. 2015 Aug 14;349(6249):747-50. doi: 10.1126/science.aab1768.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences and Bioinformatics Research Center, North Carolina State University, Raleigh, NC, USA. ndsingh@ncsu.edu schlenkt@reed.edu. ; Translational Biology and Molecular Medicine Program, Baylor College of Medicine, Houston, TX, USA. ; Department of Biology, Reed College, Portland, OR, USA. ; Department of Biology, Winthrop University, Rock Hill, SC, USA. ; Department of Biology, Emory University, Atlanta, GA, USA. ; Department of Biology, Reed College, Portland, OR, USA. ndsingh@ncsu.edu schlenkt@reed.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26273057" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Drosophila melanogaster/*genetics/growth & development/*parasitology ; Female ; *Genetic Fitness ; Genetic Variation ; Larva ; Male ; Mutation ; Parasitic Diseases/genetics ; *Recombination, Genetic ; Reproduction/genetics
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  • 95
    Publication Date: 2015-02-24
    Description: Notch receptors guide mammalian cell fate decisions by engaging the proteins Jagged and Delta-like (DLL). The 2.3 angstrom resolution crystal structure of the interacting regions of the Notch1-DLL4 complex reveals a two-site, antiparallel binding orientation assisted by Notch1 O-linked glycosylation. Notch1 epidermal growth factor-like repeats 11 and 12 interact with the DLL4 Delta/Serrate/Lag-2 (DSL) domain and module at the N-terminus of Notch ligands (MNNL) domains, respectively. Threonine and serine residues on Notch1 are functionalized with O-fucose and O-glucose, which act as surrogate amino acids by making specific, and essential, contacts to residues on DLL4. The elucidation of a direct chemical role for O-glycans in Notch1 ligand engagement demonstrates how, by relying on posttranslational modifications of their ligand binding sites, Notch proteins have linked their functional capacity to developmentally regulated biosynthetic pathways.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4445638/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4445638/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luca, Vincent C -- Jude, Kevin M -- Pierce, Nathan W -- Nachury, Maxence V -- Fischer, Suzanne -- Garcia, K Christopher -- 1R01-GM097015/GM/NIGMS NIH HHS/ -- R01 GM097015/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):847-53. doi: 10.1126/science.1261093.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. kcgarcia@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700513" target="_blank"〉PubMed〈/a〉
    Keywords: Alagille Syndrome/genetics ; Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Cell Line ; Conserved Sequence ; Crystallography, X-Ray ; Fucose/chemistry ; Glucose/chemistry ; Glycosylation ; Intracellular Signaling Peptides and Proteins/*chemistry/genetics ; Ligands ; Membrane Proteins/*chemistry/genetics/ultrastructure ; Molecular Sequence Data ; Molecular Targeted Therapy ; Polysaccharides/chemistry ; Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/drug therapy/genetics ; Protein Binding ; Protein Structure, Tertiary ; Rats ; Receptor, Notch1/*chemistry/genetics/ultrastructure ; Serine/chemistry/genetics ; Threonine/chemistry/genetics
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-11-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):729-30. doi: 10.1126/science.350.6262.729.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564827" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Brain/*growth & development ; *Fossils ; Pandalidae
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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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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2015-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):264. doi: 10.1126/science.350.6258.264.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472887" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; *Biological Evolution ; Caves ; China ; *Fossils ; *Human Migration ; Humans ; Tooth
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
    Publication Date: 2015-06-06
    Description: Almecija and colleagues claim that we apply a simplified understanding of bone functional adaptation and that our results of human-like hand use in Australopithecus africanus are not novel. We argue that our results speak to actual behavior, rather than potential behaviors, and our functional interpretation is well supported by our methodological approach, comparative sample, and previous experimental data.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skinner, Matthew M -- Stephens, Nicholas B -- Tsegai, Zewdi J -- Foote, Alexandra C -- Nguyen, N Huynh -- Gross, Thomas -- Pahr, Dieter H -- Hublin, Jean-Jacques -- Kivell, Tracy L -- New York, N.Y. -- Science. 2015 Jun 5;348(6239):1101. doi: 10.1126/science.aaa8931.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Anthropology, University College London London, WC1H 0BW, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk. ; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. ; Department of Anthropology, University College London London, WC1H 0BW, UK. ; Institute of Lightweight Design and Structural Biomechanics, Vienna University of Technology, Gusshausstrasse 27-29, 1040 Wien, Vienna, Austria. ; School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26045429" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Humans ; Metacarpal Bones/*anatomy & histology ; Metacarpus/*anatomy & histology ; Thumb/*anatomy & histology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
    Publication Date: 2015-02-14
    Description: A new Late Jurassic docodontan shows specializations for a subterranean lifestyle. It is similar to extant subterranean golden moles in having reduced digit segments as compared to the ancestral phalangeal pattern of mammaliaforms and extant mammals. The reduction of digit segments can occur in mammals by fusion of the proximal and intermediate phalangeal precursors, a developmental process for which a gene and signaling network have been characterized in mouse and human. Docodontans show a positional shift of thoracolumbar ribs, a developmental variation that is controlled by Hox9 and Myf5 genes in extant mammals. We argue that these morphogenetic mechanisms of modern mammals were operating before the rise of modern mammals, driving the morphological disparity in the earliest mammaliaform diversification.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luo, Zhe-Xi -- Meng, Qing-Jin -- Ji, Qiang -- Liu, Di -- Zhang, Yu-Guang -- Neander, April I -- New York, N.Y. -- Science. 2015 Feb 13;347(6223):760-4. doi: 10.1126/science.1260880.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA. zxluo@uchicago.edu mengqingjin@bmnh.org.cn. ; Beijing Museum of Natural History, Beijing 100050, China. zxluo@uchicago.edu mengqingjin@bmnh.org.cn. ; Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China. ; Beijing Museum of Natural History, Beijing 100050, China. ; Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25678660" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; China ; Finger Phalanges/*anatomy & histology/*growth & development ; Foot/anatomy & histology/growth & development ; Homeodomain Proteins/genetics/physiology ; Humans ; Mammals/*anatomy & histology/genetics/*growth & development ; Mice ; Morphogenesis/genetics/*physiology ; Myogenic Regulatory Factor 5/genetics/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
    Publication Date: 2015-01-24
    Description: The distinctly human ability for forceful precision and power "squeeze" gripping is linked to two key evolutionary transitions in hand use: a reduction in arboreal climbing and the manufacture and use of tools. However, it is unclear when these locomotory and manipulative transitions occurred. Here we show that Australopithecus africanus (~3 to 2 million years ago) and several Pleistocene hominins, traditionally considered not to have engaged in habitual tool manufacture, have a human-like trabecular bone pattern in the metacarpals consistent with forceful opposition of the thumb and fingers typically adopted during tool use. These results support archaeological evidence for stone tool use in australopiths and provide morphological evidence that Pliocene hominins achieved human-like hand postures much earlier and more frequently than previously considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Skinner, Matthew M -- Stephens, Nicholas B -- Tsegai, Zewdi J -- Foote, Alexandra C -- Nguyen, N Huynh -- Gross, Thomas -- Pahr, Dieter H -- Hublin, Jean-Jacques -- Kivell, Tracy L -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):395-9. doi: 10.1126/science.1261735.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Anthropology, University College London, London WC1H 0BW, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk. ; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig Germany. ; Department of Anthropology, University College London, London WC1H 0BW, UK. ; Institute of Lightweight Design and Structural Biomechanics, Vienna University of Technology, Gusshausstrasse 27-29, 1040 Wien, Vienna, Austria. ; School of Anthropology and Conservation, University of Kent, Canterbury CT2 7NR, UK. Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig Germany. Evolutionary Studies Institute and Centre for Excellence in PalaeoSciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa. m.skinner@kent.ac.uk t.l.kivell@kent.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25613885" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaeology ; *Biological Evolution ; Hominidae/anatomy & histology ; Humans ; Metacarpal Bones/*anatomy & histology ; Metacarpus/*anatomy & histology/physiology ; Neanderthals/anatomy & histology ; Posture ; Thumb/*anatomy & histology/physiology
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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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