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  • Articles  (6)
  • Latest Papers from Table of Contents or Articles in Press  (6)
  • Life Sciences
  • Physics
  • Species Specificity
  • American Association for the Advancement of Science (AAAS)  (6)
  • 2010-2014  (6)
  • 1980-1984
  • 1975-1979
  • 1925-1929
  • 2013  (6)
  • 1
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    Global leaf trait relationships: mass, area, and the leaf economics spectrum (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-30
    Description: The leaf economics spectrum (LES) describes multivariate correlations that constrain leaf traits of plant species primarily to a single axis of variation if data are normalized by leaf mass. We show that these traits are approximately distributed proportional to leaf area instead of mass, as expected for a light- and carbon dioxide-collecting organ. Much of the structure in the mass-normalized LES results from normalizing area-proportional traits by mass. Mass normalization induces strong correlations among area-proportional traits because of large variation among species in leaf mass per area (LMA). The high LMA variance likely reflects its functional relationship with leaf life span. A LES that is independent of mass- or area-normalization and LMA reveals physiological relationships that are inconsistent with those in global vegetation models designed to address climate change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Osnas, Jeanne L D -- Lichstein, Jeremy W -- Reich, Peter B -- Pacala, Stephen W -- New York, N.Y. -- Science. 2013 May 10;340(6133):741-4. doi: 10.1126/science.1231574. Epub 2013 Mar 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08542, USA. jldosnas@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539179" target="_blank"〉PubMed〈/a〉
    Keywords: Carbon Dioxide/metabolism ; Light ; Organ Size ; Plant Leaves/*anatomy & histology/metabolism/radiation effects ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Science & SciLifeLab Prize. From persistence to cross-species emergence of a viral zoonosis (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Streicker, Daniel G -- New York, N.Y. -- Science. 2013 Dec 6;342(6163):1185-6. doi: 10.1126/science.1247566.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Biodiversity, Animal Health, and Comparative Medicine, University of Glasgow, Glasgow, G12 8QQ, Scotland, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24311675" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Awards and Prizes ; Chiroptera/genetics/*virology ; Climate ; *Communicable Diseases, Emerging/transmission ; Evolution, Molecular ; History, 21st Century ; Host-Pathogen Interactions ; Rabies/prevention & control/*transmission/*veterinary ; Rabies virus/*genetics/pathogenicity ; Species Specificity ; United States ; *Zoonoses/prevention & control
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    The hologenomic basis of speciation: gut bacteria cause hybrid lethality in the genus Nasonia (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-23
    Description: Although the gut microbiome influences numerous aspects of organismal fitness, its role in animal evolution and the origin of new species is largely unknown. Here we present evidence that beneficial bacterial communities in the guts of closely related species of the genus Nasonia form species-specific phylosymbiotic assemblages that cause lethality in interspecific hybrids. Bacterial constituents and abundance are irregular in hybrids relative to parental controls, and antibiotic curing of the gut bacteria significantly rescues hybrid survival. Moreover, feeding bacteria to germ-free hybrids reinstates lethality and recapitulates the expression of innate immune genes observed in conventionally reared hybrids. We conclude that in this animal complex, the gut microbiome and host genome represent a coadapted "hologenome" that breaks down during hybridization, promoting hybrid lethality and assisting speciation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brucker, Robert M -- Bordenstein, Seth R -- New York, N.Y. -- Science. 2013 Aug 9;341(6146):667-9. doi: 10.1126/science.1240659. Epub 2013 Jul 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Vanderbilt University, Nashville, TN 37232, USA. bruckerm@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23868918" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/*classification/genetics ; Chimera/microbiology/physiology ; Gastrointestinal Tract/*microbiology ; Germ-Free Life/genetics/*physiology ; Hymenoptera/genetics/*microbiology/*physiology ; Metagenome ; Phylogeny ; Species Specificity ; *Symbiosis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Science & SciLifeLab Prize. Evolution of vertebrate transcriptional regulator binding (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schmidt, Dominic -- Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2013 Dec 6;342(6163):1186. doi: 10.1126/science.1247569.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉L.E.K. Consulting, 40 Grosvenor Place, London, SW1X 7JL, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24311678" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Awards and Prizes ; CCAAT-Enhancer-Binding Proteins/*metabolism ; DNA/*metabolism ; Evolution, Molecular ; Hepatocyte Nuclear Factor 4/*metabolism ; History, 21st Century ; Humans ; Repressor Proteins/*metabolism ; Retroelements ; Species Specificity ; Vertebrates/*genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Primate transcript and protein expression levels evolve under compensatory selection pressures (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-19
    Description: Changes in gene regulation have likely played an important role in the evolution of primates. Differences in messenger RNA (mRNA) expression levels across primates have often been documented; however, it is not yet known to what extent measurements of divergence in mRNA levels reflect divergence in protein expression levels, which are probably more important in determining phenotypic differences. We used high-resolution, quantitative mass spectrometry to collect protein expression measurements from human, chimpanzee, and rhesus macaque lymphoblastoid cell lines and compared them to transcript expression data from the same samples. We found dozens of genes with significant expression differences between species at the mRNA level yet little or no difference in protein expression. Overall, our data suggest that protein expression levels evolve under stronger evolutionary constraint than mRNA levels.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3994702/" 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/PMC3994702/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Khan, Zia -- Ford, Michael J -- Cusanovich, Darren A -- Mitrano, Amy -- Pritchard, Jonathan K -- Gilad, Yoav -- F32HG006972/HG/NHGRI NIH HHS/ -- GM077959/GM/NIGMS NIH HHS/ -- R01 GM077959/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Nov 29;342(6162):1100-4. doi: 10.1126/science.1242379. Epub 2013 Oct 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, University of Chicago, Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24136357" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Evolution, Molecular ; *Gene Expression Regulation ; Humans ; Macaca mulatta/*genetics ; Pan troglodytes/*genetics ; Protein Biosynthesis/*genetics ; RNA, Messenger/*biosynthesis/genetics ; *Selection, Genetic ; Species Specificity ; *Transcription, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Emerging infectious diseases. Link to MERS virus underscores bats' puzzling threat (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kupferschmidt, Kai -- New York, N.Y. -- Science. 2013 Aug 30;341(6149):948-9. doi: 10.1126/science.341.6149.948.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23990536" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chiroptera/physiology/*virology ; Communicable Diseases, Emerging/epidemiology/*transmission/*virology ; Disease Reservoirs/*virology ; Endangered Species ; Humans ; Middle East/epidemiology ; Respiratory Tract Infections/epidemiology/*transmission/*virology ; Species Specificity ; Syndrome ; Zoonoses/epidemiology/*transmission/*virology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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