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  • Ecosystem  (67)
  • Biological Evolution  (45)
  • AERODYNAMICS
  • Chemistry
  • Pflanzenkrankheit
  • American Association for the Advancement of Science (AAAS)  (106)
  • 2020-2022
  • 2005-2009  (106)
  • 1925-1929
  • 1915-1919
  • 1905-1909
  • 2008  (106)
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  • 2020-2022
  • 2005-2009  (106)
  • 1925-1929
  • 1915-1919
  • 1905-1909
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  • 1
    Publication Date: 2008-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2008 May 2;320(5876):608-9. doi: 10.1126/science.320.5876.608b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451281" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Diet ; *Hominidae/anatomy & histology/classification/physiology ; Humans ; Jaw/anatomy & histology ; Molar/anatomy & histology ; Paleodontology ; Tooth Attrition
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2008-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- Culotta, Elizabeth -- New York, N.Y. -- Science. 2008 May 2;320(5876):609. doi: 10.1126/science.320.5876.609.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451282" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Anthropology, Physical ; Biological Evolution ; Flight, Animal ; Hominidae ; Humans ; Locomotion ; Speech
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roy, Kaustuv -- New York, N.Y. -- Science. 2008 Sep 12;321(5895):1451-2. doi: 10.1126/science.1163097.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Ecology, Behavior and Evolution, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA. kroy@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18787156" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Body Size ; Climate ; Ecosystem ; Extinction, Biological ; Greenhouse Effect ; Models, Biological ; Population Dynamics ; Stochastic Processes ; Temperature
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2008-06-21
    Description: The response of the Greenland ice sheet to global warming is a source of concern notably because of its potential contribution to changes in the sea level. We demonstrated the natural vulnerability of the ice sheet by using pollen records from marine sediment off southwest Greenland that indicate important changes of the vegetation in Greenland over the past million years. The vegetation that developed over southern Greenland during the last interglacial period is consistent with model experiments, suggesting a reduced volume of the Greenland ice sheet. Abundant spruce pollen indicates that boreal coniferous forest developed some 400,000 years ago during the "warm" interval of marine isotope stage 11, providing a time frame for the development and decline of boreal ecosystems over a nearly ice-free Greenland.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉de Vernal, Anne -- Hillaire-Marcel, Claude -- New York, N.Y. -- Science. 2008 Jun 20;320(5883):1622-5. doi: 10.1126/science.1153929.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉GEOTOP Geochemistry and Geodynamics Research Center-Universite du Quebec a Montreal, Case Postale 8888, succursale Centre-Ville, Montreal, Quebec H3C 3P8, Canada. devernal.anne@uqam.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18566284" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate ; Cold Climate ; Ecosystem ; Geologic Sediments ; Greenland ; *Ice Cover ; Picea/*growth & development ; *Plant Development ; Pollen ; Spores ; Temperature ; Time ; Trees/*growth & development
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2008-08-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tobacman, Joanne K -- Bhattacharyya, Sumit -- Borthakur, Alip -- Dudeja, Pradeep K -- New York, N.Y. -- Science. 2008 Aug 22;321(5892):1040-1. doi: 10.1126/science.321.5892.1040d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18719267" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carrageenan/administration & dosage/analysis/biosynthesis/toxicity ; Ecosystem ; *Food Additives/administration & dosage/analysis/toxicity ; Humans ; Nutrition Policy ; Rhodophyta/growth & development/metabolism ; Seaweed/growth & development/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Jianguo -- Diamond, Jared -- New York, N.Y. -- Science. 2008 Jan 4;319(5859):37-8. doi: 10.1126/science.1150416.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Systems Integration and Sustainability, Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48823, USA. jliu@panda.msu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18174421" target="_blank"〉PubMed〈/a〉
    Keywords: China ; *Conservation of Natural Resources/economics/legislation & jurisprudence ; Economics ; Ecosystem ; *Environment ; *Environmental Pollution/economics/legislation & jurisprudence/prevention & ; control ; Government
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brantley, Susan L -- New York, N.Y. -- Science. 2008 Sep 12;321(5895):1454-5. doi: 10.1126/science.1161132.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Earth and Environmental Systems Institute, Pennsylvania State University, University Park, PA 16802, USA. brantley@eesi.psu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18787158" target="_blank"〉PubMed〈/a〉
    Keywords: Ecosystem ; Geological Phenomena ; Geology ; Humans ; Minerals/analysis ; Models, Theoretical ; *Soil/analysis ; Soil Microbiology ; Time ; Water
    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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  • 8
    Publication Date: 2008-10-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Travis, John -- New York, N.Y. -- Science. 2008 Oct 17;322(5900):369. doi: 10.1126/science.322.5900.369.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18927372" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone and Bones/chemistry ; Breeding ; DNA/analysis ; Ecosystem ; Europe ; *Fishes/classification/genetics/physiology ; *Rivers
    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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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scharlemann, Jorn P W -- Laurance, William F -- New York, N.Y. -- Science. 2008 Jan 4;319(5859):43-4. doi: 10.1126/science.1153103.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama. jscharlemann@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18174426" target="_blank"〉PubMed〈/a〉
    Keywords: Cost-Benefit Analysis ; Ecosystem ; *Energy-Generating Resources/economics/statistics & numerical data ; *Environment ; *Ethanol ; Gasoline ; Greenhouse Effect ; Health ; Humans ; *Plants
    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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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-08-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lyon, Bruce E -- Chaine, Alexis S -- Winkler, David W -- New York, N.Y. -- Science. 2008 Aug 22;321(5892):1051-2. doi: 10.1126/science.1159822.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95064, USA. lyon@biology.ucsc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18719273" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Climate ; Cues ; Environment ; Female ; Male ; *Oviposition ; Passeriformes/genetics/*physiology ; Phenotype ; Photoperiod ; Seasons ; Selection, Genetic ; Temperature ; Time Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-08-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lyons, Timothy W -- New York, N.Y. -- Science. 2008 Aug 15;321(5891):923-4. doi: 10.1126/science.1162870.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, University of California, Riverside, CA 92521, USA. timothy.lyons@ucr.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18703731" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atmosphere ; Biological Evolution ; Geologic Sediments/chemistry ; Hydrogen Sulfide/analysis ; Ice Cover ; Iron/*analysis ; Oceans and Seas ; Oxygen/*analysis ; Seawater/*chemistry ; Sulfates/analysis ; Sulfides/analysis ; Time
    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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  • 12
    Publication Date: 2008-10-11
    Description: Knowledge of mammalian diversity is still surprisingly disparate, both regionally and taxonomically. Here, we present a comprehensive assessment of the conservation status and distribution of the world's mammals. Data, compiled by 1700+ experts, cover all 5487 species, including marine mammals. Global macroecological patterns are very different for land and marine species but suggest common mechanisms driving diversity and endemism across systems. Compared with land species, threat levels are higher among marine mammals, driven by different processes (accidental mortality and pollution, rather than habitat loss), and are spatially distinct (peaking in northern oceans, rather than in Southeast Asia). Marine mammals are also disproportionately poorly known. These data are made freely available to support further scientific developments and conservation action.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schipper, Jan -- Chanson, Janice S -- Chiozza, Federica -- Cox, Neil A -- Hoffmann, Michael -- Katariya, Vineet -- Lamoreux, John -- Rodrigues, Ana S L -- Stuart, Simon N -- Temple, Helen J -- Baillie, Jonathan -- Boitani, Luigi -- Lacher, Thomas E Jr -- Mittermeier, Russell A -- Smith, Andrew T -- Absolon, Daniel -- Aguiar, John M -- Amori, Giovanni -- Bakkour, Noura -- Baldi, Ricardo -- Berridge, Richard J -- Bielby, Jon -- Black, Patricia Ann -- Blanc, J Julian -- Brooks, Thomas M -- Burton, James A -- Butynski, Thomas M -- Catullo, Gianluca -- Chapman, Roselle -- Cokeliss, Zoe -- Collen, Ben -- Conroy, Jim -- Cooke, Justin G -- da Fonseca, Gustavo A B -- Derocher, Andrew E -- Dublin, Holly T -- Duckworth, J W -- Emmons, Louise -- Emslie, Richard H -- Festa-Bianchet, Marco -- Foster, Matt -- Foster, Sabrina -- Garshelis, David L -- Gates, Cormack -- Gimenez-Dixon, Mariano -- Gonzalez, Susana -- Gonzalez-Maya, Jose Fernando -- Good, Tatjana C -- Hammerson, Geoffrey -- Hammond, Philip S -- Happold, David -- Happold, Meredith -- Hare, John -- Harris, Richard B -- Hawkins, Clare E -- Haywood, Mandy -- Heaney, Lawrence R -- Hedges, Simon -- Helgen, Kristofer M -- Hilton-Taylor, Craig -- Hussain, Syed Ainul -- Ishii, Nobuo -- Jefferson, Thomas A -- Jenkins, Richard K B -- Johnston, Charlotte H -- Keith, Mark -- Kingdon, Jonathan -- Knox, David H -- Kovacs, Kit M -- Langhammer, Penny -- Leus, Kristin -- Lewison, Rebecca -- Lichtenstein, Gabriela -- Lowry, Lloyd F -- Macavoy, Zoe -- Mace, Georgina M -- Mallon, David P -- Masi, Monica -- McKnight, Meghan W -- Medellin, Rodrigo A -- Medici, Patricia -- Mills, Gus -- Moehlman, Patricia D -- Molur, Sanjay -- Mora, Arturo -- Nowell, Kristin -- Oates, John F -- Olech, Wanda -- Oliver, William R L -- Oprea, Monik -- Patterson, Bruce D -- Perrin, William F -- Polidoro, Beth A -- Pollock, Caroline -- Powel, Abigail -- Protas, Yelizaveta -- Racey, Paul -- Ragle, Jim -- Ramani, Pavithra -- Rathbun, Galen -- Reeves, Randall R -- Reilly, Stephen B -- Reynolds, John E 3rd -- Rondinini, Carlo -- Rosell-Ambal, Ruth Grace -- Rulli, Monica -- Rylands, Anthony B -- Savini, Simona -- Schank, Cody J -- Sechrest, Wes -- Self-Sullivan, Caryn -- Shoemaker, Alan -- Sillero-Zubiri, Claudio -- De Silva, Naamal -- Smith, David E -- Srinivasulu, Chelmala -- Stephenson, Peter J -- van Strien, Nico -- Talukdar, Bibhab Kumar -- Taylor, Barbara L -- Timmins, Rob -- Tirira, Diego G -- Tognelli, Marcelo F -- Tsytsulina, Katerina -- Veiga, Liza M -- Vie, Jean-Christophe -- Williamson, Elizabeth A -- Wyatt, Sarah A -- Xie, Yan -- Young, Bruce E -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):225-30. doi: 10.1126/science.1165115.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Union for Conservation of Nature (IUCN) Species Programme, IUCN, 28 Rue Mauverney, 1196 Gland, Switzerland. jan.schipper@iucn.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845749" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Body Size ; Conservation of Natural Resources ; Databases, Factual ; Ecosystem ; *Extinction, Biological ; *Mammals/anatomy & histology/classification/physiology ; Marine Biology ; Phylogeny ; Population Dynamics ; Seawater
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
    Publication Date: 2008-07-05
    Description: A simple negative feedback loop of interacting genes or proteins has the potential to generate sustained oscillations. However, many biological oscillators also have a positive feedback loop, raising the question of what advantages the extra loop imparts. Through computational studies, we show that it is generally difficult to adjust a negative feedback oscillator's frequency without compromising its amplitude, whereas with positive-plus-negative feedback, one can achieve a widely tunable frequency and near-constant amplitude. This tunability makes the latter design suitable for biological rhythms like heartbeats and cell cycles that need to provide a constant output over a range of frequencies. Positive-plus-negative oscillators also appear to be more robust and easier to evolve, rationalizing why they are found in contexts where an adjustable frequency is unimportant.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2728800/" 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/PMC2728800/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsai, Tony Yu-Chen -- Choi, Yoon Sup -- Ma, Wenzhe -- Pomerening, Joseph R -- Tang, Chao -- Ferrell, James E Jr -- GM61726/GM/NIGMS NIH HHS/ -- GM77544/GM/NIGMS NIH HHS/ -- R01 GM061276/GM/NIGMS NIH HHS/ -- R01 GM061276-06/GM/NIGMS NIH HHS/ -- R01 GM061276-07/GM/NIGMS NIH HHS/ -- R01 GM061276-08/GM/NIGMS NIH HHS/ -- R01 GM077544/GM/NIGMS NIH HHS/ -- R01 GM077544-01/GM/NIGMS NIH HHS/ -- R01 GM077544-02/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2008 Jul 4;321(5885):126-9. doi: 10.1126/science.1156951.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA 94305-5174, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18599789" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Anaphase-Promoting Complex-Cyclosome ; Animals ; *Biological Clocks ; Biological Evolution ; CDC2 Protein Kinase/*metabolism ; *Cell Cycle ; Cell Division ; Circadian Rhythm ; Cyclin B/biosynthesis/metabolism ; Embryo, Nonmammalian/cytology/metabolism ; *Feedback, Physiological ; Interphase ; Models, Biological ; Monte Carlo Method ; Ubiquitin-Protein Ligase Complexes/metabolism ; Xenopus Proteins/metabolism ; Xenopus laevis
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
    Publication Date: 2008-06-28
    Description: Deep avian evolutionary relationships have been difficult to resolve as a result of a putative explosive radiation. Our study examined approximately 32 kilobases of aligned nuclear DNA sequences from 19 independent loci for 169 species, representing all major extant groups, and recovered a robust phylogeny from a genome-wide signal supported by multiple analytical methods. We documented well-supported, previously unrecognized interordinal relationships (such as a sister relationship between passerines and parrots) and corroborated previously contentious groupings (such as flamingos and grebes). Our conclusions challenge current classifications and alter our understanding of trait evolution; for example, some diurnal birds evolved from nocturnal ancestors. Our results provide a valuable resource for phylogenetic and comparative studies in birds.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hackett, Shannon J -- Kimball, Rebecca T -- Reddy, Sushma -- Bowie, Rauri C K -- Braun, Edward L -- Braun, Michael J -- Chojnowski, Jena L -- Cox, W Andrew -- Han, Kin-Lan -- Harshman, John -- Huddleston, Christopher J -- Marks, Ben D -- Miglia, Kathleen J -- Moore, William S -- Sheldon, Frederick H -- Steadman, David W -- Witt, Christopher C -- Yuri, Tamaki -- New York, N.Y. -- Science. 2008 Jun 27;320(5884):1763-8. doi: 10.1126/science.1157704.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zoology Department, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18583609" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Biological Evolution ; Birds/*classification/*genetics ; Ecosystem ; Flight, Animal ; *Genome ; *Genomics ; Molecular Sequence Data ; *Phylogeny ; Sequence Alignment ; Sequence Analysis, DNA
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-12-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ainsworth, Claire -- New York, N.Y. -- Science. 2008 Dec 12;322(5908):1627-9. doi: 10.1126/science.322.5908.1627.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19074323" target="_blank"〉PubMed〈/a〉
    Keywords: Carbon Dioxide/analysis ; Data Collection ; Ecosystem ; Eukaryota/growth & development ; Eutrophication ; Fresh Water ; Geologic Sediments ; *Oceanography ; Oceans and Seas ; *Seawater ; *Ships ; Water Movements
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  • 16
    Publication Date: 2008-11-15
    Description: Hybridization between species can lead to introgression of genes from one species to another, providing a potential mechanism for preserving and recombining key traits during evolution. To determine the molecular basis of such transfers, we analyzed a natural polymorphism for flower-head development in Senecio. We show that the polymorphism arose by introgression of a cluster of regulatory genes, the RAY locus, from the diploid species S. squalidus into the tetraploid S. vulgaris. The RAY genes are expressed in the peripheral regions of the inflorescence meristem, where they promote flower asymmetry and lead to an increase in the rate of outcrossing. Our results highlight how key morphological and ecological traits controlled by regulatory genes may be gained, lost, and regained during evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Minsung -- Cui, Min-Long -- Cubas, Pilar -- Gillies, Amanda -- Lee, Karen -- Chapman, Mark A -- Abbott, Richard J -- Coen, Enrico -- BB-D017742/Biotechnology and Biological Sciences Research Council/United Kingdom -- G10929/Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2008 Nov 14;322(5904):1116-9. doi: 10.1126/science.1164371.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, John Innes Centre, Colney Lane, Norwich NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19008450" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Biological Evolution ; Crosses, Genetic ; Flowers/anatomy & histology/*genetics/growth & development ; *Gene Transfer, Horizontal ; *Genes, Plant ; *Genes, Regulator ; Genotype ; Haplotypes ; *Hybridization, Genetic ; Molecular Sequence Data ; Multigene Family ; Phylogeny ; Polymorphism, Genetic ; Selection, Genetic ; Senecio/*genetics/growth & development ; Sequence Analysis, DNA
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
    Publication Date: 2008-07-05
    Description: It has previously been thought that there was a steep Cretaceous and Cenozoic radiation of marine invertebrates. This pattern can be replicated with a new data set of fossil occurrences representing 3.5 million specimens, but only when older analytical protocols are used. Moreover, analyses that employ sampling standardization and more robust counting methods show a modest rise in diversity with no clear trend after the mid-Cretaceous. Globally, locally, and at both high and low latitudes, diversity was less than twice as high in the Neogene as in the mid-Paleozoic. The ratio of global to local richness has changed little, and a latitudinal diversity gradient was present in the early Paleozoic.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alroy, John -- Aberhan, Martin -- Bottjer, David J -- Foote, Michael -- Fursich, Franz T -- Harries, Peter J -- Hendy, Austin J W -- Holland, Steven M -- Ivany, Linda C -- Kiessling, Wolfgang -- Kosnik, Matthew A -- Marshall, Charles R -- McGowan, Alistair J -- Miller, Arnold I -- Olszewski, Thomas D -- Patzkowsky, Mark E -- Peters, Shanan E -- Villier, Loic -- Wagner, Peter J -- Bonuso, Nicole -- Borkow, Philip S -- Brenneis, Benjamin -- Clapham, Matthew E -- Fall, Leigh M -- Ferguson, Chad A -- Hanson, Victoria L -- Krug, Andrew Z -- Layou, Karen M -- Leckey, Erin H -- Nurnberg, Sabine -- Powers, Catherine M -- Sessa, Jocelyn A -- Simpson, Carl -- Tomasovych, Adam -- Visaggi, Christy C -- New York, N.Y. -- Science. 2008 Jul 4;321(5885):97-100. doi: 10.1126/science.1156963.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Ecological Analysis and Synthesis, University of California-Santa Barbara, 735 State Street, Santa Barbara, CA 93101, USA. alroy@nceas.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18599780" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Biological Evolution ; Databases, Factual ; Environment ; *Fossils ; Geography ; Geologic Sediments ; *Invertebrates/classification ; *Paleontology/methods ; Population Dynamics ; Sampling Studies ; Seawater ; Time Factors
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  • 18
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hauser, Marc D -- Bever, Thomas -- New York, N.Y. -- Science. 2008 Nov 14;322(5904):1057-9. doi: 10.1126/science.1167437.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Human Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA. mdh@wjh.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19008433" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Communication ; Animals ; Biological Evolution ; Brain/*physiology ; Forkhead Transcription Factors/genetics ; Functional Laterality ; Genomics ; Humans ; *Language ; Language Disorders/genetics/physiopathology ; *Linguistics ; Semantics ; Vocabulary
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  • 19
    Publication Date: 2008-03-22
    Description: The most abundant taxon of the Neoproterozoic soft-bodied biota near Ediacara, South Australia, occurs as clusters of similarly sized individuals, which suggests synchronous aggregate growth by spatfall. Tubes of Funisia dorothea gen. et sp. nov. were anchored within the shallow, sandy sea bed and lived in dense, typically monospecific concentrations. Tubes were composed of modular, serially repeating elements. Individuals grew by adding serial elements to the tubular body and by branching of tubes. Their construction and close-packed association imply likely affinity within the Porifera or Cnidaria. These data suggest that several of the most successful marine invertebrate ecological strategies known today were in place in Earth's oldest known metazoan ecosystems before the advent of skeletonization and widespread predation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Droser, Mary L -- Gehling, James G -- New York, N.Y. -- Science. 2008 Mar 21;319(5870):1660-2. doi: 10.1126/science.1152595.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, University of California, Riverside, CA 92521, USA. Mary.droser@ucr.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18356525" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ecosystem ; *Fossils ; Invertebrates/*anatomy & histology/*growth & development ; South Australia
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2008 Nov 7;322(5903):835. doi: 10.1126/science.322.5903.835.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18988814" target="_blank"〉PubMed〈/a〉
    Keywords: Ecosystem ; *Eutrophication ; *Greenhouse Effect ; International Cooperation ; Iron ; Nitrogen ; Oceans and Seas ; Plankton/*growth & development ; *Research ; *Seawater
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-12-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anbar, Ariel D -- New York, N.Y. -- Science. 2008 Dec 5;322(5907):1481-3. doi: 10.1126/science.1163100.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Earth and Space Exploration and Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ 85287, USA. anbar@asu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19056967" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere ; *Biological Evolution ; Ecosystem ; *Elements ; Eukaryotic Cells/physiology ; Fossils ; Iron/analysis ; Oceans and Seas ; Oxidation-Reduction ; Prokaryotic Cells/physiology ; Seawater/*chemistry ; Selection, Genetic ; Sulfur/analysis ; Time ; Trace Elements/analysis
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  • 22
    Publication Date: 2008-05-20
    Description: Increasing quantities of atmospheric anthropogenic fixed nitrogen entering the open ocean could account for up to about a third of the ocean's external (nonrecycled) nitrogen supply and up to approximately 3% of the annual new marine biological production, approximately 0.3 petagram of carbon per year. This input could account for the production of up to approximately 1.6 teragrams of nitrous oxide (N2O) per year. Although approximately 10% of the ocean's drawdown of atmospheric anthropogenic carbon dioxide may result from this atmospheric nitrogen fertilization, leading to a decrease in radiative forcing, up to about two-thirds of this amount may be offset by the increase in N2O emissions. The effects of increasing atmospheric nitrogen deposition are expected to continue to grow in the future.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duce, R A -- LaRoche, J -- Altieri, K -- Arrigo, K R -- Baker, A R -- Capone, D G -- Cornell, S -- Dentener, F -- Galloway, J -- Ganeshram, R S -- Geider, R J -- Jickells, T -- Kuypers, M M -- Langlois, R -- Liss, P S -- Liu, S M -- Middelburg, J J -- Moore, C M -- Nickovic, S -- Oschlies, A -- Pedersen, T -- Prospero, J -- Schlitzer, R -- Seitzinger, S -- Sorensen, L L -- Uematsu, M -- Ulloa, O -- Voss, M -- Ward, B -- Zamora, L -- New York, N.Y. -- Science. 2008 May 16;320(5878):893-7. doi: 10.1126/science.1150369.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Oceanography and Atmospheric Sciences, Texas A&M University, College Station, TX 77843, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18487184" target="_blank"〉PubMed〈/a〉
    Keywords: *Atmosphere ; Carbon ; Carbon Dioxide/metabolism ; Ecosystem ; *Human Activities ; Humans ; *Nitrogen/metabolism ; Nitrogen Fixation ; Oceans and Seas ; *Reactive Nitrogen Species/metabolism ; *Seawater
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):182-3. doi: 10.1126/science.322.5899.182.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845723" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; *Climate ; Ecosystem ; Environment ; Financing, Government ; *Greenhouse Effect ; Politics ; *Research/economics ; Research Support as Topic ; United States ; *United States Government Agencies/economics/organization & administration
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  • 24
    Publication Date: 2008-05-24
    Description: Viruses shape microbial community structure and function by altering the fitness of their hosts and by promoting genetic exchange. The complexity of most natural ecosystems has precluded detailed studies of virus-host interactions. We reconstructed virus and host bacterial and archaeal genome sequences from community genomic data from two natural acidophilic biofilms. Viruses were matched to their hosts by analyzing spacer sequences that occur among clustered regularly interspaced short palindromic repeats (CRISPRs) that are a hallmark of virus resistance. Virus population genomic analyses provided evidence that extensive recombination shuffles sequence motifs sufficiently to evade CRISPR spacers. Only the most recently acquired spacers match coexisting viruses, which suggests that community stability is achieved by rapid but compensatory shifts in host resistance levels and virus population structure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Andersson, Anders F -- Banfield, Jillian F -- New York, N.Y. -- Science. 2008 May 23;320(5879):1047-50. doi: 10.1126/science.1157358.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Earth and Planetary Science and Environmental Science, Policy, and Management, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497291" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Archaea/*genetics/physiology/*virology ; Archaeal Viruses/genetics/*physiology ; Bacteria/*genetics/*virology ; Bacterial Physiological Phenomena ; Bacteriophages/genetics/*physiology ; Base Sequence ; Biofilms ; DNA, Intergenic ; Ecosystem ; Genome, Archaeal ; Genome, Bacterial ; Genome, Viral ; Hydrogen-Ion Concentration ; Molecular Sequence Data ; Oligodeoxyribonucleotides ; Recombination, Genetic ; *Repetitive Sequences, Nucleic Acid ; Thermoplasmales/genetics/physiology/virology ; Viral Proteins/chemistry/genetics/physiology
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  • 25
    Publication Date: 2008-08-30
    Description: The archaeology of pre-Columbian polities in the Amazon River basin forces a reconsideration of early urbanism and long-term change in tropical forest landscapes. We describe settlement and land-use patterns of complex societies on the eve of European contact (after 1492) in the Upper Xingu region of the Brazilian Amazon. These societies were organized in articulated clusters, representing small independent polities, within a regional peer polity. These patterns constitute a "galactic" form of prehistoric urbanism, sharing features with small-scale urban polities in other areas. Understanding long-term change in coupled human-environment systems relating to these societies has implications for conservation and sustainable development, notably to control ecological degradation and maintain regional biodiversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heckenberger, Michael J -- Russell, J Christian -- Fausto, Carlos -- Toney, Joshua R -- Schmidt, Morgan J -- Pereira, Edithe -- Franchetto, Bruna -- Kuikuro, Afukaka -- New York, N.Y. -- Science. 2008 Aug 29;321(5893):1214-7. doi: 10.1126/science.1159769.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of Florida, Gainesville, FL 32611, USA. mheck@ufl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18755979" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/history ; *Archaeology ; Biodiversity ; Brazil ; Cities/*history ; *Culture ; Ecosystem ; Environment Design ; History, Ancient ; Humans ; Residence Characteristics ; Rivers ; *Trees
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  • 26
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2008 Oct 31;322(5902):662. doi: 10.1126/science.322.5902.662.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18974322" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Bone and Bones ; DNA, Mitochondrial/*genetics ; *Extinction, Biological ; *Genetic Speciation ; *Genome, Mitochondrial ; Phylogeny ; Sequence Analysis, DNA ; Ursidae/*classification/*genetics
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-06-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steig, Eric J -- Wolfe, Alexander P -- New York, N.Y. -- Science. 2008 Jun 20;320(5883):1595-6. doi: 10.1126/science.1160004.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, USA. steig@ess.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18566272" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate ; Cold Climate ; Ecosystem ; Geologic Sediments ; Greenland ; *Ice Cover ; Microclimate ; Picea/*growth & development ; *Pollen ; Temperature ; Time ; Trees/*growth & development
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  • 28
    Publication Date: 2008-04-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marvier, Michelle -- Carriere, Yves -- Ellstrand, Norman -- Gepts, Paul -- Kareiva, Peter -- Rosi-Marshall, Emma -- Tabashnik, Bruce E -- Wolfenbarger, L Lareesa -- New York, N.Y. -- Science. 2008 Apr 25;320(5875):452-3. doi: 10.1126/science.1154521.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Studies Institute, Santa Clara University, Santa Clara, CA 95053, USA. mmarvier@scu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18436759" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/methods/*statistics & numerical data ; Crops, Agricultural/*genetics ; Ecosystem ; Geography ; *Plants, Genetically Modified ; United States ; United States Department of Agriculture
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  • 29
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-03
    Description: Fire is a global driver of carbon storage and converts a substantial proportion of plant biomass to black carbon (for example, charcoal), which remains in the soil for thousands of years. Black carbon is therefore often proposed as an important long-term sink of soil carbon. We ran a 10-year experiment in each of three boreal forest stands to show that fire-derived charcoal promotes loss of forest humus and that this is associated with enhancement of microbial activity by charcoal. This result shows that charcoal-induced losses of belowground carbon in forests can partially offset the benefits of charcoal as a long-term carbon sink.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wardle, David A -- Nilsson, Marie-Charlotte -- Zackrisson, Olle -- New York, N.Y. -- Science. 2008 May 2;320(5876):629. doi: 10.1126/science.1154960.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, SE901-83 Umea, Sweden. david.wardle@svek.slu.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451294" target="_blank"〉PubMed〈/a〉
    Keywords: Biomass ; Charcoal/chemistry ; Ecosystem ; *Fires ; *Soil ; Soil Microbiology ; Soot/chemistry ; Sweden ; *Trees
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-04-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fabry, Victoria J -- New York, N.Y. -- Science. 2008 May 23;320(5879):1020-2. doi: 10.1126/science.1157130. Epub 2008 Apr 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, California State University San Marcos, San Marcos, CA 92096, USA. fabry@csusm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18420898" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Calcification, Physiologic ; Carbon Dioxide/*analysis ; Ecosystem ; Eukaryota/*physiology ; Hydrogen-Ion Concentration ; Invertebrates/*physiology ; Oceans and Seas ; Plankton/*physiology ; Pressure ; Seawater/*chemistry
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Charles, Dan -- New York, N.Y. -- Science. 2008 May 23;320(5879):1000. doi: 10.1126/science.320.5879.1000b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497268" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate ; *Conservation of Natural Resources ; Ecosystem ; *Plants
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  • 32
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2008 Jul 4;321(5885):24-5. doi: 10.1126/science.321.5885.24b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18599747" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Evolution ; *Climate ; *Ecosystem ; Flowers/*growth & development ; Greenhouse Effect ; Massachusetts ; *Plant Development ; Seasons ; Species Specificity ; Time Factors
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Falkowski, Paul G -- Isozaki, Yukio -- New York, N.Y. -- Science. 2008 Oct 24;322(5901):540-2. doi: 10.1126/science.1162641.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Planetary Sciences and Institute of Marine and Coastal Sciences, Rutgers University, 71 Dudley Road, New Brunswick, NJ 08901, USA. falko@imcs.rutgers.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18948530" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atmosphere ; Carbon/analysis/metabolism ; Ecosystem ; *Evolution, Chemical ; Geologic Sediments/*chemistry ; Geological Phenomena ; Geology ; Oxidation-Reduction ; *Oxygen/chemistry/metabolism ; Oxygen Consumption ; Photosynthesis ; Photosystem II Protein Complex/metabolism ; Phytoplankton/metabolism ; Plants/metabolism ; Time ; Water/metabolism
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  • 34
    Publication Date: 2008-04-12
    Description: Globally, priority areas for biodiversity are relatively well known, yet few detailed plans exist to direct conservation action within them, despite urgent need. Madagascar, like other globally recognized biodiversity hot spots, has complex spatial patterns of endemism that differ among taxonomic groups, creating challenges for the selection of within-country priorities. We show, in an analysis of wide taxonomic and geographic breadth and high spatial resolution, that multitaxonomic rather than single-taxon approaches are critical for identifying areas likely to promote the persistence of most species. Our conservation prioritization, facilitated by newly available techniques, identifies optimal expansion sites for the Madagascar government's current goal of tripling the land area under protection. Our findings further suggest that high-resolution multitaxonomic approaches to prioritization may be necessary to ensure protection for biodiversity in other global hot spots.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kremen, C -- Cameron, A -- Moilanen, A -- Phillips, S J -- Thomas, C D -- Beentje, H -- Dransfield, J -- Fisher, B L -- Glaw, F -- Good, T C -- Harper, G J -- Hijmans, R J -- Lees, D C -- Louis, E Jr -- Nussbaum, R A -- Raxworthy, C J -- Razafimpahanana, A -- Schatz, G E -- Vences, M -- Vieites, D R -- Wright, P C -- Zjhra, M L -- New York, N.Y. -- Science. 2008 Apr 11;320(5873):222-6. doi: 10.1126/science.1155193.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Sciences, Policy and Management, 137 Mulford Hall, University of California, Berkeley, CA 94720-3114, USA. ckremen@nature.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18403708" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; *Anura ; *Biodiversity ; *Conservation of Natural Resources/methods ; Ecosystem ; Geography ; *Insects ; *Lemur ; *Lizards ; Madagascar ; *Plants ; Trees
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  • 35
    Publication Date: 2008-05-10
    Description: Desiccation of the Sahara since the middle Holocene has eradicated all but a few natural archives recording its transition from a "green Sahara" to the present hyperarid desert. Our continuous 6000-year paleoenvironmental reconstruction from northern Chad shows progressive drying of the regional terrestrial ecosystem in response to weakening insolation forcing of the African monsoon and abrupt hydrological change in the local aquatic ecosystem controlled by site-specific thresholds. Strong reductions in tropical trees and then Sahelian grassland cover allowed large-scale dust mobilization from 4300 calendar years before the present (cal yr B.P.). Today's desert ecosystem and regional wind regime were established around 2700 cal yr B.P. This gradual rather than abrupt termination of the African Humid Period in the eastern Sahara suggests a relatively weak biogeophysical feedback on climate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kropelin, S -- Verschuren, D -- Lezine, A-M -- Eggermont, H -- Cocquyt, C -- Francus, P -- Cazet, J-P -- Fagot, M -- Rumes, B -- Russell, J M -- Darius, F -- Conley, D J -- Schuster, M -- von Suchodoletz, H -- Engstrom, D R -- New York, N.Y. -- Science. 2008 May 9;320(5877):765-8. doi: 10.1126/science.1154913.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Africa Research Unit, Institute of Prehistoric Archaeology, University of Cologne, Jennerstrasse 8, D-50823 Koln, Germany. s.kroe@uni-koeln.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18467583" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Biological Evolution ; *Desert Climate ; *Ecosystem ; Fresh Water ; Geologic Sediments ; History, Ancient ; Plants ; Time ; Weather
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  • 36
    Publication Date: 2008-07-05
    Description: In the cerebral cortex, diverse types of neurons form intricate circuits and cooperate in time for the processing and storage of information. Recent advances reveal a spatiotemporal division of labor in cortical circuits, as exemplified in the CA1 hippocampal area. In particular, distinct GABAergic (gamma-aminobutyric acid-releasing) cell types subdivide the surface of pyramidal cells and act in discrete time windows, either on the same or on different subcellular compartments. They also interact with glutamatergic pyramidal cell inputs in a domain-specific manner and support synaptic temporal dynamics, network oscillations, selection of cell assemblies, and the implementation of brain states. The spatiotemporal specializations in cortical circuits reveal that cellular diversity and temporal dynamics coemerged during evolution, providing a basis for cognitive behavior.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4487503/" 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/PMC4487503/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Klausberger, Thomas -- Somogyi, Peter -- MC_U138197107/Medical Research Council/United Kingdom -- MC_U138197110/Medical Research Council/United Kingdom -- MC_UU_12020/3/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2008 Jul 4;321(5885):53-7. doi: 10.1126/science.1149381.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MRC Anatomical Neuropharmacology Unit, Oxford University, Oxford OX1 3TH, UK. thomas.klausberger@pharm.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18599766" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/physiology ; Biological Evolution ; Cognition ; Dendrites/physiology ; Hippocampus/cytology/*physiology ; Humans ; Interneurons/*physiology ; Nerve Net/*physiology ; Neural Pathways/physiology ; Neurons/*physiology ; Pyramidal Cells/*physiology ; Synapses/physiology ; gamma-Aminobutyric Acid/metabolism
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  • 37
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-03-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2008 Feb 29;319(5867):1182-3. doi: 10.1126/science.319.5867.1182.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18309060" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Ethiopia ; *Fossils ; *Hominidae ; Humans ; *Museums ; *Paleontology/education ; Research ; Travel ; Universities
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bawa, Kamaljit S -- Balachander, Ganesan -- Raven, Peter -- New York, N.Y. -- Science. 2008 Jan 11;319(5860):136. doi: 10.1126/science.1151835.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18187624" target="_blank"〉PubMed〈/a〉
    Keywords: *Developing Countries ; *Economics ; Ecosystem ; *Environment ; *Organizations ; Poverty ; Universities
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  • 39
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-06-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2008 Jun 13;320(5882):1436-8. doi: 10.1126/science.320.5882.1436.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18556543" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Brazil ; Conservation of Natural Resources ; Ecosystem ; Invertebrates ; Plants ; *Trees/growth & development ; *Tropical Climate ; Vertebrates
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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- New York, N.Y. -- Science. 2008 May 16;320(5878):864-6. doi: 10.1126/science.320.5878.864.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18487167" target="_blank"〉PubMed〈/a〉
    Keywords: *Aedes/physiology/virology ; Alphavirus Infections/epidemiology/transmission ; Americas/epidemiology ; Animals ; Asia/epidemiology ; Chikungunya virus ; Dengue/epidemiology/transmission ; Disease Outbreaks ; Ecosystem ; Europe/epidemiology ; Feeding Behavior ; Humans ; *Insect Vectors/physiology/virology ; Mosquito Control ; Population Growth
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  • 41
    Publication Date: 2008-05-24
    Description: Identifying ecologically differentiated populations within complex microbial communities remains challenging, yet is critical for interpreting the evolution and ecology of microbes in the wild. Here we describe spatial and temporal resource partitioning among Vibrionaceae strains coexisting in coastal bacterioplankton. A quantitative model (AdaptML) establishes the evolutionary history of ecological differentiation, thus revealing populations specific for seasons and life-styles (combinations of free-living, particle, or zooplankton associations). These ecological population boundaries frequently occur at deep phylogenetic levels (consistent with named species); however, recent and perhaps ongoing adaptive radiation is evident in Vibrio splendidus, which comprises numerous ecologically distinct populations at different levels of phylogenetic differentiation. Thus, environmental specialization may be an important correlate or even trigger of speciation among sympatric microbes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hunt, Dana E -- David, Lawrence A -- Gevers, Dirk -- Preheim, Sarah P -- Alm, Eric J -- Polz, Martin F -- New York, N.Y. -- Science. 2008 May 23;320(5879):1081-5. doi: 10.1126/science.1157890.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497299" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; Atlantic Ocean ; Biological Evolution ; *Ecosystem ; *Genetic Speciation ; Markov Chains ; Models, Biological ; Molecular Sequence Data ; Phylogeny ; Plankton/*physiology ; Seasons ; Seawater/*microbiology ; Vibrio/classification/genetics/physiology ; Vibrionaceae/classification/genetics/*physiology ; Zooplankton/physiology
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  • 42
    Publication Date: 2008-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yang, Min -- Yu, Jianwei -- Li, Zonglai -- Guo, Zhaohai -- Burch, Michael -- Lin, Tsair-Fuh -- New York, N.Y. -- Science. 2008 Jan 11;319(5860):158. doi: 10.1126/science.319.5860.158a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18187639" target="_blank"〉PubMed〈/a〉
    Keywords: China ; Ecosystem ; *Eutrophication ; Fresh Water/*chemistry/microbiology ; Microcystins/analysis ; Odors ; Sulfides/*analysis ; Water Supply
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  • 43
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-08-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kyewski, Bruno -- New York, N.Y. -- Science. 2008 Aug 8;321(5890):776-7. doi: 10.1126/science.1162966.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Developmental Immunology, Tumor Immunology Program, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg, D-69120 Germany. b.kyewski@dkfz.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18687943" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen Presentation ; Autoantigens/immunology ; Autoimmunity ; Biological Evolution ; Epithelial Cells/immunology/metabolism ; Gene Expression ; Lymphoid Tissue/*cytology/immunology/*metabolism ; Mice ; Mice, Transgenic ; *Self Tolerance ; Stromal Cells/immunology/metabolism ; T-Lymphocytes/cytology/*immunology ; Thymus Gland/cytology/*immunology/metabolism ; Transcription Factors/genetics/*metabolism
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  • 44
    Publication Date: 2008-09-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2008 Sep 19;321(5896):1616-7. doi: 10.1126/science.321.5896.1616.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18801972" target="_blank"〉PubMed〈/a〉
    Keywords: *Academies and Institutes ; Animals ; California ; Ecosystem ; *Environment ; *Facility Design and Construction ; *Museums ; *Natural History
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  • 45
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2008 Aug 1;321(5889):630. doi: 10.1126/science.321.5889.630.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18669837" target="_blank"〉PubMed〈/a〉
    Keywords: China ; Conservation of Natural Resources ; Crops, Agricultural ; Ecosystem ; *Environment ; *Rivers ; Water Movements
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  • 46
    Publication Date: 2008-12-06
    Description: Female meiotic drive, in which paired chromosomes compete for access to the egg, is a potentially powerful but rarely documented evolutionary force. In interspecific monkeyflower (Mimulus) hybrids, a driving M. guttatus allele (D) exhibits a 98:2 transmission advantage via female meiosis. We show that extreme interspecific drive is most likely caused by divergence in centromere-associated repeat domains and document cytogenetic and functional polymorphism for drive within a population of M. guttatus. In conspecific crosses, D had a 58:42 transmission advantage over nondriving alternative alleles. However, individuals homozygous for the driving allele suffered reduced pollen viability. These fitness effects and molecular population genetic data suggest that balancing selection prevents the fixation or loss of D and that selfish chromosomal transmission may affect both individual fitness and population genetic load.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fishman, Lila -- Saunders, Arpiar -- New York, N.Y. -- Science. 2008 Dec 5;322(5907):1559-62. doi: 10.1126/science.1161406.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Sciences, University of Montana, Missoula, MT 59812, USA. lila.fishman@mso.umt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19056989" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Base Sequence ; Biological Evolution ; Centromere/*physiology ; Chromosome Segregation ; Chromosomes, Plant/*physiology ; Crosses, Genetic ; Genetic Markers ; Heterozygote ; Hybridization, Genetic ; Linkage Disequilibrium ; *Meiosis ; Mimulus/*genetics/physiology ; Molecular Sequence Data ; Polymorphism, Genetic ; Repetitive Sequences, Nucleic Acid ; Selection, Genetic
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reichenbach, Andreas -- Pannicke, Thomas -- New York, N.Y. -- Science. 2008 Oct 31;322(5902):693-4. doi: 10.1126/science.1166197.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Paul Flechsig Institute of Brain Research, Leipzig University, Jahnallee 59, D-04109 Leipzig, Germany. reia@medizin.uni-leipzig.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18974341" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Brain/anatomy & histology/cytology/physiology ; Caenorhabditis elegans/cytology/*physiology ; Ganglia/cytology/physiology ; Ganglia, Invertebrate/cytology/physiology ; Homeostasis ; Neuroglia/*physiology ; Sense Organs/cytology/physiology ; Sensory Receptor Cells/cytology/*physiology ; Synaptic Transmission ; Temperature
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  • 48
    Publication Date: 2008-11-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jasny, Barbara R -- Kelner, Katrina L -- Pennisi, Elizabeth -- New York, N.Y. -- Science. 2008 Nov 7;322(5903):891. doi: 10.1126/science.322.5903.891.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18988838" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior/*physiology ; Behavior, Animal/physiology ; Biological Evolution ; *Genes ; Humans ; Neural Pathways/physiology ; *Social Behavior
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  • 49
    Publication Date: 2008-08-02
    Description: Hotspots of high species diversity are a prominent feature of modern global biodiversity patterns. Fossil and molecular evidence is starting to reveal the history of these hotspots. There have been at least three marine biodiversity hotspots during the past 50 million years. They have moved across almost half the globe, with their timing and locations coinciding with major tectonic events. The birth and death of successive hotspots highlights the link between environmental change and biodiversity patterns. The antiquity of the taxa in the modern Indo-Australian Archipelago hotspot emphasizes the role of pre-Pleistocene events in shaping modern diversity patterns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Renema, W -- Bellwood, D R -- Braga, J C -- Bromfield, K -- Hall, R -- Johnson, K G -- Lunt, P -- Meyer, C P -- McMonagle, L B -- Morley, R J -- O'Dea, A -- Todd, J A -- Wesselingh, F P -- Wilson, M E J -- Pandolfi, J M -- New York, N.Y. -- Science. 2008 Aug 1;321(5889):654-7. doi: 10.1126/science.1155674.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nationaal Natuurhistorisch Museum, Naturalis, 2300 RA, Leiden, Netherlands. Renema@naturalis.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18669854" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/classification ; *Biodiversity ; Climate ; Ecosystem ; Fishes/classification ; *Fossils ; Geological Phenomena ; Geology ; *Marine Biology ; Mollusca/classification ; Phylogeny ; Rhizophoraceae/classification ; *Seawater ; Time
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  • 50
    Publication Date: 2008-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2008 May 23;320(5879):996-7. doi: 10.1126/science.320.5879.996.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497263" target="_blank"〉PubMed〈/a〉
    Keywords: China ; *Disasters ; Ecosystem ; Humans ; Relief Work ; Rescue Work ; Research
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fu, Bojie -- New York, N.Y. -- Science. 2008 Aug 1;321(5889):611. doi: 10.1126/science.1162213.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18669824" target="_blank"〉PubMed〈/a〉
    Keywords: China ; Ecosystem ; *Environment ; *Environmental Pollution/economics/prevention & control/statistics & numerical ; data ; Government ; Humans ; Industry ; Public Health ; Public Sector
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  • 52
    Publication Date: 2008-02-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zeng, Ning -- Ding, Yihui -- Pan, Jiahua -- Wang, Huijun -- Gregg, Jay -- New York, N.Y. -- Science. 2008 Feb 8;319(5864):730-1. doi: 10.1126/science.1153368.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Atmospheric and Oceanic Science, University of Maryland, College Park, MD 20742, USA. zeng@atmos.umd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18258882" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere ; *Carbon Dioxide ; China ; *Climate ; Coal ; Conservation of Energy Resources ; *Conservation of Natural Resources ; Ecosystem ; Geography ; Greenhouse Effect ; Public Policy ; Trees
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-01-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rice, William R -- Friberg, Urban -- New York, N.Y. -- Science. 2008 Jan 4;319(5859):42-3. doi: 10.1126/science.1153482.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, USA. rice@lifesci.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18174425" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Drosophila melanogaster/*genetics ; Female ; *Gene Expression Regulation ; Gene Silencing ; Genes, Insect ; Male ; Mutation ; Selection, Genetic ; Y Chromosome/*genetics
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-01-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2008 Jan 18;319(5861):272. doi: 10.1126/science.319.5861.272.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18202266" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Evolution ; DNA, Bacterial/genetics ; Guyana ; Humans ; *Indians, South American ; Syphilis/*microbiology/transmission ; Treponema pallidum/classification/*genetics/pathogenicity ; Yaws/*microbiology/transmission
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  • 55
    Publication Date: 2008-05-20
    Description: Humans continue to transform the global nitrogen cycle at a record pace, reflecting an increased combustion of fossil fuels, growing demand for nitrogen in agriculture and industry, and pervasive inefficiencies in its use. Much anthropogenic nitrogen is lost to air, water, and land to cause a cascade of environmental and human health problems. Simultaneously, food production in some parts of the world is nitrogen-deficient, highlighting inequities in the distribution of nitrogen-containing fertilizers. Optimizing the need for a key human resource while minimizing its negative consequences requires an integrated interdisciplinary approach and the development of strategies to decrease nitrogen-containing waste.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galloway, James N -- Townsend, Alan R -- Erisman, Jan Willem -- Bekunda, Mateete -- Cai, Zucong -- Freney, John R -- Martinelli, Luiz A -- Seitzinger, Sybil P -- Sutton, Mark A -- New York, N.Y. -- Science. 2008 May 16;320(5878):889-92. doi: 10.1126/science.1136674.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Sciences Department, University of Virginia, Charlottesville, VA 22904, USA. jng@virginia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18487183" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/trends ; Animals ; Atmosphere ; Climate ; Commerce/trends ; Ecosystem ; *Environment ; Fossil Fuels ; Human Activities/trends ; Humans ; Industry/trends ; Interdisciplinary Communication ; *Nitrogen/analysis/metabolism ; Nitrogen Fixation ; *Reactive Nitrogen Species/analysis/chemistry/metabolism ; Tropical Climate
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  • 56
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2008 May 2;320(5876):597. doi: 10.1126/science.320.5876.597a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451272" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; California ; *Conservation of Natural Resources ; Deer ; Ecosystem ; Humans ; Oenothera biennis ; Population Dynamics ; *Quercus
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  • 57
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2008 Apr 4;320(5872):44-5. doi: 10.1126/science.320.5872.44.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18388273" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; Ecosystem ; Environment ; Female ; *Fisheries ; Food Chain ; Pacific Ocean ; Population Density ; Population Dynamics ; Reproduction ; *Sea Lions/physiology
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  • 58
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-02-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morell, Virginia -- New York, N.Y. -- Science. 2008 Feb 15;319(5865):890-2. doi: 10.1126/science.319.5865.890.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18276861" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; Ecosystem ; Northwestern United States ; Population Density ; United States ; United States Government Agencies/*legislation & jurisprudence ; *Wolves/genetics
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  • 59
    Publication Date: 2008-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robertson, G Philip -- Dale, Virginia H -- Doering, Otto C -- Hamburg, Steven P -- Melillo, Jerry M -- Wander, Michele M -- Parton, William J -- Adler, Paul R -- Barney, Jacob N -- Cruse, Richard M -- Duke, Clifford S -- Fearnside, Philip M -- Follett, Ronald F -- Gibbs, Holly K -- Goldemberg, Jose -- Mladenoff, David J -- Ojima, Dennis -- Palmer, Michael W -- Sharpley, Andrew -- Wallace, Linda -- Weathers, Kathleen C -- Wiens, John A -- Wilhelm, Wallace W -- New York, N.Y. -- Science. 2008 Oct 3;322(5898):49-50. doi: 10.1126/science.1161525.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉W. K. Kellogg Biological Station and Department of Crop and Soil Sciences, Michigan State University, Hickory Corners, MI 49060, USA. robertson@kbs.msu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18832631" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/economics/methods ; Biomass ; *Cellulose ; *Conservation of Natural Resources ; Crops, Agricultural/economics ; Ecosystem ; *Energy-Generating Resources/economics ; *Environment ; *Ethanol ; Internationality ; Public Policy
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-08
    Description: What genes and regulatory sequences contribute to the organization and functioning of neural circuits and molecular pathways in the brain that support social behavior? How does social experience interact with information in the genome to modulate brain activity? Here, we address these questions by highlighting progress that has been made in identifying and understanding two key "vectors of influence" that link genes, the brain, and social behavior: (i) Social information alters gene expression in the brain to influence behavior, and (ii) genetic variation influences brain function and social behavior. We also discuss how evolutionary changes in genomic elements influence social behavior and outline prospects for a systems biology of social behavior.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3052688/" 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/PMC3052688/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robinson, Gene E -- Fernald, Russell D -- Clayton, David F -- NS045264/NS/NINDS NIH HHS/ -- NS34950/NS/NINDS NIH HHS/ -- R01 GM073644/GM/NIGMS NIH HHS/ -- R01 GM073644-01A1/GM/NIGMS NIH HHS/ -- R01 NS034950/NS/NINDS NIH HHS/ -- R01 NS034950-16A2/NS/NINDS NIH HHS/ -- R01 NS045264/NS/NINDS NIH HHS/ -- R01 NS045264-01/NS/NINDS NIH HHS/ -- R01 NS051820/NS/NINDS NIH HHS/ -- R01 NS051820-10A1/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2008 Nov 7;322(5903):896-900. doi: 10.1126/science.1159277.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, University of Illinois at Urbana-Champaign, 505 South Goodwin Avenue, Urbana, IL 61801, USA. generobi@illinois.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18988841" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Brain/*physiology ; Environment ; Epigenesis, Genetic ; Gene Expression ; *Genes ; Genetic Variation ; Genotype ; Humans ; *Social Behavior
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  • 61
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-04-26
    Description: Polyploidy, a change whereby the entire chromosome set is multiplied, arises through mitotic or meiotic misdivisions and frequently involves unreduced gametes and interspecific hybridization. The success of newly formed angiosperm polyploids is partly attributable to their highly plastic genome structure, as manifested by tolerance to changing chromosome numbers (aneuploidy and polyploidy), genome size, (retro)transposable element mobility, insertions, deletions, and epigenome restructuring. The ability to withstand large-scale changes, frequently within one or a few generations, is associated with a restructuring of the transcriptome, metabolome, and proteome and can result in an altered phenotype and ecology. Thus, polyploid-induced changes can generate individuals that are able to exploit new niches or to outcompete progenitor species. This process has been a major driving force behind the divergence of the angiosperms and their biodiversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leitch, A R -- Leitch, I J -- New York, N.Y. -- Science. 2008 Apr 25;320(5875):481-3. doi: 10.1126/science.1153585.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological and Chemical Sciences, Queen Mary, University of London, London E1 4NS, UK. a.r.leitch@qmul.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18436776" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/classification/*genetics/metabolism ; Biodiversity ; Biological Evolution ; Chromosomes, Plant/genetics ; Genetic Speciation ; *Genetic Variation ; *Genome, Plant ; Hybridization, Genetic ; Nondisjunction, Genetic ; Plant Proteins/genetics/metabolism ; *Polyploidy ; Proteome ; Transcription, Genetic
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  • 62
    Publication Date: 2008-01-05
    Description: The paucity of polymorphisms in single-copy genes on the Y chromosome of Drosophila contrasts with data indicating that this chromosome has polymorphic phenotypic effects on sex ratio, temperature sensitivity, behavior, and fitness. We show that the Y chromosome of D. melanogaster harbors substantial genetic diversity in the form of polymorphisms for genetic elements that differentially affect the expression of hundreds of X-linked and autosomal genes. The affected genes are more highly expressed in males, more meagerly expressed in females, and more highly divergent between species. Functionally, they affect microtubule stability, lipid and mitochondrial metabolism, and the thermal sensitivity of spermatogenesis. Our findings provide a mechanism for adaptive phenotypic variation associated with the Y chromosome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lemos, Bernardo -- Araripe, Luciana O -- Hartl, Daniel L -- GM065169/GM/NIGMS NIH HHS/ -- GM068465/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2008 Jan 4;319(5859):91-3. doi: 10.1126/science.1148861.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA. blemos@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18174442" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Climate ; DNA Transposable Elements ; Drosophila/*genetics/physiology ; Drosophila melanogaster/*genetics/physiology ; Epigenesis, Genetic ; Female ; *Gene Expression Regulation ; Genes, Insect ; Genetic Linkage ; Genetic Variation ; Heterochromatin/genetics ; Male ; *Polymorphism, Genetic ; Spermatogenesis ; Temperature ; Y Chromosome/*genetics
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  • 63
    Publication Date: 2008-10-04
    Description: Atlantic bluefin tuna populations are in steep decline, and an improved understanding of connectivity between individuals from eastern (Mediterranean Sea) and western (Gulf of Mexico) spawning areas is needed to manage remaining fisheries. Chemical signatures in the otoliths of yearlings from regional nurseries were distinct and served as natural tags to assess natal homing and mixing. Adults showed high rates of natal homing to both eastern and western spawning areas. Trans-Atlantic movement (east to west) was significant and size-dependent, with individuals of Mediterranean origin mixing with the western population in the U.S. Atlantic. The largest (oldest) bluefin tuna collected near the northern extent of their range in North American waters were almost exclusively of western origin, indicating that this region represents critical habitat for the western population.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rooker, Jay R -- Secor, David H -- De Metrio, Gregorio -- Schloesser, Ryan -- Block, Barbara A -- Neilson, John D -- New York, N.Y. -- Science. 2008 Oct 31;322(5902):742-4. doi: 10.1126/science.1161473. Epub 2008 Oct 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Marine Biology, Texas A&M University, 5007 Avenue U, Galveston, TX 77551, USA. rookerj@tamug.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18832611" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Migration ; Animals ; Atlantic Ocean ; Carbon Isotopes/analysis ; Ecosystem ; Fisheries ; *Homing Behavior ; Likelihood Functions ; Mediterranean Sea ; Otolithic Membrane/chemistry ; Oxygen Isotopes/analysis ; Population Density ; Population Dynamics ; Reproduction ; Tuna/growth & development/*physiology
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  • 64
    Publication Date: 2008-04-26
    Description: Correlated gene arrangements among taxa provide a valuable framework for inference of shared ancestry of genes and for the utilization of findings from model organisms to study less-well-understood systems. In angiosperms, comparisons of gene arrangements are complicated by recurring polyploidy and extensive genome rearrangement. New genome sequences and improved analytical approaches are clarifying angiosperm evolution and revealing patterns of differential gene loss after genome duplication and differential gene retention associated with evolution of some morphological complexity. Because of variability in DNA substitution rates among taxa and genes, deviation from collinearity might be a more reliable phylogenetic character.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tang, Haibao -- Bowers, John E -- Wang, Xiyin -- Ming, Ray -- Alam, Maqsudul -- Paterson, Andrew H -- New York, N.Y. -- Science. 2008 Apr 25;320(5875):486-8. doi: 10.1126/science.1153917.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Genome Mapping Laboratory, University of Georgia, Athens, GA 30602, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18436778" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms/classification/*genetics ; Biological Evolution ; Chromosomes, Plant/genetics ; Gene Duplication ; Gene Order ; Gene Rearrangement ; *Genome, Plant ; Genomics ; Karyotyping ; Phylogeny ; Polyploidy ; Sequence Analysis, DNA ; *Synteny
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-12-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rozema, Jelte -- Flowers, Timothy -- New York, N.Y. -- Science. 2008 Dec 5;322(5907):1478-80. doi: 10.1126/science.1168572.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Systems Ecology, Vrije Universiteit, Amsterdam, Netherlands. jelte.rozema@falw.vu.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19056965" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Biomass ; Biotechnology ; *Crops, Agricultural/genetics/growth & development ; Ecosystem ; Fresh Water/chemistry ; Salinity ; *Salt-Tolerance/genetics ; *Salt-Tolerant Plants/genetics/growth & development ; Seawater ; Soil/analysis
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bohannon, John -- New York, N.Y. -- Science. 2008 May 23;320(5879):1031-3. doi: 10.1126/science.320.5879.1031.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497286" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Archaea/*classification/genetics/physiology ; Bacteria/*classification/genetics ; Bacterial Physiological Phenomena ; Biodiversity ; Biological Evolution ; Ecology ; *Ecosystem ; Environment ; Gene Transfer, Horizontal ; Genome, Archaeal ; Genome, Bacterial ; Phylogeny ; Recombination, Genetic ; Terminology as Topic
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  • 67
    Publication Date: 2008-11-15
    Description: Archaea are prokaryotic organisms that lack endomembrane structures. However, a number of hyperthermophilic members of the Kingdom Crenarchaea, including members of the Sulfolobus genus, encode homologs of the eukaryotic endosomal sorting system components Vps4 and ESCRT-III (endosomal sorting complex required for transport-III). We found that Sulfolobus ESCRT-III and Vps4 homologs underwent regulation of their expression during the cell cycle. The proteins interacted and we established the structural basis of this interaction. Furthermore, these proteins specifically localized to the mid-cell during cell division. Overexpression of a catalytically inactive mutant Vps4 in Sulfolobus resulted in the accumulation of enlarged cells, indicative of failed cell division. Thus, the archaeal ESCRT system plays a key role in cell division.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4121953/" 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/PMC4121953/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samson, Rachel Y -- Obita, Takayuki -- Freund, Stefan M -- Williams, Roger L -- Bell, Stephen D -- 083639/Z/07/Z/Wellcome Trust/United Kingdom -- MC_U105184308/Medical Research Council/United Kingdom -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2008 Dec 12;322(5908):1710-3. doi: 10.1126/science.1165322. Epub 2008 Nov 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council (MRC) Cancer Cell Unit, Hills Road, Cambridge CB2 0XZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19008417" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphatases/chemistry/*metabolism ; Amino Acid Sequence ; Archaeal Proteins/chemistry/*metabolism ; Biological Evolution ; Cell Cycle ; *Cell Division ; Crystallography, X-Ray ; Molecular Sequence Data ; Peptides/chemistry/metabolism ; Protein Structure, Tertiary ; Sequence Alignment ; Sulfolobus/*cytology/genetics/*metabolism ; Sulfolobus acidocaldarius/*cytology/genetics/*metabolism ; Vesicular Transport Proteins/chemistry/metabolism
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  • 68
    Publication Date: 2008-08-09
    Description: Andromonoecy is a widespread sexual system in angiosperms characterized by plants carrying both male and bisexual flowers. In melon, this sexual form is controlled by the identity of the alleles at the andromonoecious (a) locus. Cloning of the a gene reveals that andromonoecy results from a mutation in the active site of 1-aminocyclopropane-1-carboxylic acid synthase. Expression of the active enzyme inhibits the development of the male organs and is not required for carpel development. A causal single-nucleotide polymorphism associated with andromonoecy was identified, which suggests that the a allele has been under recent positive selection and may be linked to the evolution of this sexual system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boualem, Adnane -- Fergany, Mohamed -- Fernandez, Ronan -- Troadec, Christelle -- Martin, Antoine -- Morin, Halima -- Sari, Marie-Agnes -- Collin, Fabrice -- Flowers, Jonathan M -- Pitrat, Michel -- Purugganan, Michael D -- Dogimont, Catherine -- Bendahmane, Abdelhafid -- New York, N.Y. -- Science. 2008 Aug 8;321(5890):836-8. doi: 10.1126/science.1159023.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INRA (Institut National de la Recherche Agronomique)-CNRS, UMR1165, Unite de Recherche en Genomique Vegetale, 2 rue Gaston Cremieux, F-91057 Evry, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18687965" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Binding Sites ; Biological Evolution ; Crosses, Genetic ; Cucumis melo/*enzymology/genetics/*physiology ; Flowers/genetics/growth & development/*physiology ; Genes, Plant ; Haplotypes ; Lyases/chemistry/*genetics/metabolism ; Molecular Sequence Data ; *Mutation ; Phylogeny ; *Polymorphism, Single Nucleotide ; Reverse Transcriptase Polymerase Chain Reaction ; Selection, Genetic ; Sequence Analysis, DNA
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sander, P Martin -- Clauss, Marcus -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):200-1. doi: 10.1126/science.1160904.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Paleontology, Steinmann Institute, University of Bonn, D-53115 Bonn, Germany. martin.sander@uni-bonn.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845734" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basal Metabolism ; Biological Evolution ; Body Size ; Body Weight ; Bone Development ; Digestion ; Dinosaurs/*anatomy & histology/growth & development/physiology ; Ecosystem ; Feeding Behavior ; Mastication ; Neck/anatomy & histology ; Reproduction ; Respiratory Physiological Phenomena
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  • 70
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coward, Fiona -- New York, N.Y. -- Science. 2008 Mar 14;319(5869):1493-5. doi: 10.1126/science.1150898.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geography, Royal Holloway University of London, Egham TW20 0EX, UK. Fiona.Coward@rhul.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18339928" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Archaeology ; Biological Evolution ; Brain/anatomy & histology/physiology ; *Culture ; Hominidae ; Humans ; Imitative Behavior ; Learning ; Mental Processes ; *Social Behavior
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  • 71
    Publication Date: 2008-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goreau, Thomas J -- Smith, Jennifer E -- Conklin, Eric J -- Smith, Celia M -- Hunter, Cynthia L -- New York, N.Y. -- Science. 2008 Jan 11;319(5860):157. doi: 10.1126/science.319.5860.157b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18187638" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa ; Ecosystem ; Eukaryota/*growth & development ; *Eutrophication ; Hawaii ; Water Pollution, Chemical/*prevention & control
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cresko, William A -- R24GM79486/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):204-6. doi: 10.1126/science.1165663.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Ecology and Evolutionary Biology, Department of Biology, University of Oregon, Eugene, OR 97403-5289, USA. wcresko@uoregon.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18845737" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Bone Development ; Bone and Bones/anatomy & histology ; Ecosystem ; Ectodysplasins/*genetics ; Fresh Water ; Gene Frequency ; Haplotypes ; Oceans and Seas ; Phenotype ; Seawater ; *Selection, Genetic ; Smegmamorpha/*anatomy & histology/*genetics/growth & development
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  • 73
    Publication Date: 2008-08-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scholes, R J -- Mace, G M -- Turner, W -- Geller, G N -- Jurgens, N -- Larigauderie, A -- Muchoney, D -- Walther, B A -- Mooney, H A -- New York, N.Y. -- Science. 2008 Aug 22;321(5892):1044-5. doi: 10.1126/science.1162055.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Council of Scientific and Industrial Research (CSIR), Natural Resources and Environment, Post Office Box 395, Pretoria 0001, South Africa. bscholes@csir.co.za〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18719268" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; Ecosystem ; Environment ; International Agencies ; *International Cooperation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 74
    Publication Date: 2008-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Browman, Howard I -- Law, Richard -- Marshall, C Tara -- New York, N.Y. -- Science. 2008 Apr 4;320(5872):47-50; author reply 47-50. doi: 10.1126/science.320.5872.47b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18388275" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Ecosystem ; *Fisheries ; *Fishes ; Phenotype
    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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  • 75
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guest, James -- New York, N.Y. -- Science. 2008 May 2;320(5876):621-3. doi: 10.1126/science.1155285.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biology, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK. james.guest@ncl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451290" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/growth & development/*physiology ; Ecology ; Ecosystem ; Geologic Sediments ; Reproduction
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  • 76
    Publication Date: 2008-10-04
    Description: Host-microbe symbioses play a critical role in the evolution of biological diversity and complexity. In a notably intricate system, southern pine beetles use symbiotic fungi to help overcome host-tree defenses and to provide nutrition for their larvae. We show that this beetle-fungal mutualism is chemically mediated by a bacterially produced polyunsaturated peroxide. The molecule's selective toxicity toward the beetle's fungal antagonist, combined with the prevalence and localization of its bacterial source, indicates an insect-microbe association that is both mutualistic and coevolved. This unexpected finding in a well-studied system indicates that mutualistic associations between insects and antibiotic-producing bacteria are more common than currently recognized and that identifying their small-molecule mediators can provide a powerful search strategy for therapeutically useful antimicrobial compounds.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761720/" 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/PMC2761720/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scott, Jarrod J -- Oh, Dong-Chan -- Yuceer, M Cetin -- Klepzig, Kier D -- Clardy, Jon -- Currie, Cameron R -- R01 CA024487/CA/NCI NIH HHS/ -- R01 CA024487-29/CA/NCI NIH HHS/ -- R01 CA024487-30/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2008 Oct 3;322(5898):63. doi: 10.1126/science.1160423.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bacteriology, University of Wisconsin-Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18832638" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates/chemistry/*metabolism/pharmacology ; Actinobacteria/isolation & purification/*metabolism ; Agaricus ; Animals ; Antibiosis ; Antifungal Agents/*biosynthesis/chemistry/pharmacology ; Ascomycota/*physiology ; Basidiomycota/*physiology ; Beetles/growth & development/*microbiology/physiology ; Biological Evolution ; Larva/growth & development/microbiology ; Peroxides/chemistry/*metabolism/pharmacology ; Pinus/microbiology ; Symbiosis
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  • 77
    Publication Date: 2008-02-09
    Description: Most prior studies have found that substituting biofuels for gasoline will reduce greenhouse gases because biofuels sequester carbon through the growth of the feedstock. These analyses have failed to count the carbon emissions that occur as farmers worldwide respond to higher prices and convert forest and grassland to new cropland to replace the grain (or cropland) diverted to biofuels. By using a worldwide agricultural model to estimate emissions from land-use change, we found that corn-based ethanol, instead of producing a 20% savings, nearly doubles greenhouse emissions over 30 years and increases greenhouse gases for 167 years. Biofuels from switchgrass, if grown on U.S. corn lands, increase emissions by 50%. This result raises concerns about large biofuel mandates and highlights the value of using waste products.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Searchinger, Timothy -- Heimlich, Ralph -- Houghton, R A -- Dong, Fengxia -- Elobeid, Amani -- Fabiosa, Jacinto -- Tokgoz, Simla -- Hayes, Dermot -- Yu, Tun-Hsiang -- New York, N.Y. -- Science. 2008 Feb 29;319(5867):1238-40. doi: 10.1126/science.1151861. Epub 2008 Feb 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Woodrow Wilson School, Princeton University, Princeton, NJ 08544, USA. tsearchi@princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18258860" target="_blank"〉PubMed〈/a〉
    Keywords: *Carbon Dioxide/analysis/metabolism ; *Crops, Agricultural/economics/growth & development ; Ecosystem ; *Energy-Generating Resources ; Environment ; *Ethanol/metabolism ; Greenhouse Effect ; Time Factors ; Trees ; United States ; *Zea mays/growth & development/metabolism
    Print ISSN: 0036-8075
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  • 78
    Publication Date: 2008-11-22
    Description: Paleoecological evidence from the past 8000 years in the Galapagos Islands shows that six presumed introduced or doubtfully native species (Ageratum conyzoides, Borreria laevis/Diodia radula-type, Brickellia diffusa, Cuphea carthagenensis, Hibiscus diversifolius, and Ranunculus flagelliformis) are in fact native to the archipelago. Fossil pollen and macrofossils from four sites in the highlands of Santa Cruz Island reveal that all were present thousands of years before the advent of human impact, refuting their classification as introduced species. These findings have substantial implications not only for conservation in Galapagos but for the management of introduced species and pantropical weeds in general.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Leeuwen, Jacqueline F N -- Froyd, Cynthia A -- van der Knaap, W O -- Coffey, Emily E -- Tye, Alan -- Willis, Katherine J -- New York, N.Y. -- Science. 2008 Nov 21;322(5905):1206. doi: 10.1126/science.1163454.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Plant Sciences and Oeschger Centre for Climate Change Research, University of Bern, Altenbergrain 21, CH-3013 Bern, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19023075" target="_blank"〉PubMed〈/a〉
    Keywords: Angiosperms ; *Conservation of Natural Resources ; Ecology/methods ; Ecosystem ; Ecuador ; *Fossils ; Humans ; *Pollen
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  • 79
    Publication Date: 2008-10-25
    Description: The fossil record is the only direct source of data for studying modes (patterns) and rates of morphological change over long periods of time. Determining modes and rates is important for understanding macroevolutionary processes, but just how modes and rates vary within a taxon, and why, remain largely unaddressed. We examined patterns of morphological change in the shell of the Mesozoic marine bivalve genus Buchia over its geographic and temporal range. Most modes conformed to either random walks or stasis, and both modes and rates showed variability between locations. For example, stasis was more common in deeper marine environments, whereas random walks occurred more often at the highest paleolatitudes studied. These results indicate that the environment can play an important role in shaping patterns of evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grey, Melissa -- Haggart, James W -- Smith, Paul L -- New York, N.Y. -- Science. 2008 Nov 21;322(5905):1238-41. doi: 10.1126/science.1162046. Epub 2008 Oct 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Ocean Sciences, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada. mgrey@eos.ubc.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18948502" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Bivalvia/anatomy & histology ; Ecosystem ; *Fossils
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  • 80
    Publication Date: 2008-04-26
    Description: We report a molecular phylogeny for a nonavian dinosaur, extending our knowledge of trait evolution within nonavian dinosaurs into the macromolecular level of biological organization. Fragments of collagen alpha1(I) and alpha2(I) proteins extracted from fossil bones of Tyrannosaurus rex and Mammut americanum (mastodon) were analyzed with a variety of phylogenetic methods. Despite missing sequence data, the mastodon groups with elephant and the T. rex groups with birds, consistent with predictions based on genetic and morphological data for mastodon and on morphological data for T. rex. Our findings suggest that molecular data from long-extinct organisms may have the potential for resolving relationships at critical areas in the vertebrate evolutionary tree that have, so far, been phylogenetically intractable.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Organ, Chris L -- Schweitzer, Mary H -- Zheng, Wenxia -- Freimark, Lisa M -- Cantley, Lewis C -- Asara, John M -- F32 GM075490/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2008 Apr 25;320(5875):499. doi: 10.1126/science.1154284.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard University, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18436782" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Bayes Theorem ; Biological Evolution ; Birds/classification/genetics ; Bone and Bones ; Collagen Type I/*chemistry/genetics ; Dinosaurs/anatomy & histology/*classification/*genetics ; Elephants/anatomy & histology/*classification/*genetics ; Fossils ; Likelihood Functions ; Molecular Sequence Data ; *Phylogeny ; Sequence Alignment
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trumbore, Susan E -- Czimczik, Claudia I -- New York, N.Y. -- Science. 2008 Sep 12;321(5895):1455-6. doi: 10.1126/science.1160232.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth System Science, University of California, Irvine, CA 92697, USA. setrumbo@uci.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18787159" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atmosphere/chemistry ; Bacteria/metabolism ; Biomass ; Carbon/*analysis/metabolism ; Ecosystem ; Fungi/metabolism ; Greenhouse Effect ; Plants/metabolism ; Soil/*analysis ; Soil Microbiology ; Temperature ; Time Factors
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  • 82
    Publication Date: 2008-02-09
    Description: Urban areas are hot spots that drive environmental change at multiple scales. Material demands of production and human consumption alter land use and cover, biodiversity, and hydrosystems locally to regionally, and urban waste discharge affects local to global biogeochemical cycles and climate. For urbanites, however, global environmental changes are swamped by dramatic changes in the local environment. Urban ecology integrates natural and social sciences to study these radically altered local environments and their regional and global effects. Cities themselves present both the problems and solutions to sustainability challenges of an increasingly urbanized world.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grimm, Nancy B -- Faeth, Stanley H -- Golubiewski, Nancy E -- Redman, Charles L -- Wu, Jianguo -- Bai, Xuemei -- Briggs, John M -- New York, N.Y. -- Science. 2008 Feb 8;319(5864):756-60. doi: 10.1126/science.1150195.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Life Sciences, Arizona State University, Tempe, AZ 85287-4501, USA. nbgrimm@asu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18258902" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Cities ; Climate ; Ecosystem ; *Environment ; Environmental Pollution ; Human Activities ; Humans ; *Urbanization
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  • 83
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-06-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pain, Elisabeth -- New York, N.Y. -- Science. 2008 Jun 13;320(5882):1517. doi: 10.1126/science.320.5882.1517.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18556565" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; *Ecology/education ; Ecosystem ; Humans ; Interdisciplinary Communication ; Male ; Physical Phenomena ; Physics ; *Trees ; Tropical Climate
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  • 84
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-06-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pain, Elisabeth -- New York, N.Y. -- Science. 2008 Jun 13;320(5882):1515. doi: 10.1126/science.320.5882.1515.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18556563" target="_blank"〉PubMed〈/a〉
    Keywords: *Career Choice ; *Ecology ; Ecosystem ; Female ; Humans ; *Research ; *Trees ; Tropical Climate
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2008 Nov 14;322(5904):1044-5. doi: 10.1126/science.322.5904.1044.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19008425" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Biodiversity ; Biomass ; Cellulose ; Costs and Cost Analysis ; Ecosystem ; *Energy-Generating Resources/economics ; *Ethanol ; Minnesota ; *Poaceae/growth & development
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  • 86
    Publication Date: 2008-01-26
    Description: Theory on the evolution of ornamental male traits by sexual selection assumes consistency in selection over time. Temporal variation in female choice could dampen sexual selection, but scant information exists on the degree to which individual female preferences are flexible. Here we show that in lark buntings sexual selection on male traits varied dramatically across years and, in some cases, exhibited reversals in the direction of selection for a single trait. We show that these shifts are probably because of flexibility in mate choice by individual females and that they parallel shifts in the male traits that predict female reproductive success in a given year. Plasticity in choice and concomitant reversals in mating patterns across time may weaken the strength of sexual selection and could maintain genetic variation underlying multiple sexual ornaments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chaine, Alexis S -- Lyon, Bruce E -- New York, N.Y. -- Science. 2008 Jan 25;319(5862):459-62. doi: 10.1126/science.1149167.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95064, USA. alexis.chaine@ecoex-moulis.cnrs.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18218896" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; Behavior, Animal ; Biological Evolution ; Body Size ; *Feathers/anatomy & histology ; Female ; Male ; *Mating Preference, Animal ; Phenotype ; Pigmentation ; Selection, Genetic ; *Songbirds/anatomy & histology/physiology ; Time Factors ; Wings, Animal/anatomy & histology
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  • 87
    Publication Date: 2008-11-22
    Description: The marine dinoflagellates commonly responsible for toxic red tides are parasitized by other dinoflagellate species. Using culture-independent environmental ribosomal RNA sequences and fluorescence markers, we identified host-specific infections among several species. Each parasitoid produces 60 to 400 offspring, leading to extraordinarily rapid control of the host's population. During 3 consecutive years of observation in a natural estuary, all dinoflagellates observed were chronically infected, and a given host species was infected by a single genetically distinct parasite year after year. Our observations in natural ecosystems suggest that although bloom-forming dinoflagellates may escape control by grazing organisms, they eventually succumb to parasite attack.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chambouvet, Aurelie -- Morin, Pascal -- Marie, Dominique -- Guillou, Laure -- New York, N.Y. -- Science. 2008 Nov 21;322(5905):1254-7. doi: 10.1126/science.1164387.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Station Biologique, CNRS, UMR 7144, Place Georges Teissier, 29682 Roscoff Cedex, France; and Laboratoire Adaptation et Diversite en Milieu Marin, Universite Pierre et Marie Curie, Paris 6, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19023082" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atlantic Ocean ; Biodiversity ; Dinoflagellida/*parasitology/physiology ; Ecosystem ; Marine Toxins ; Molecular Sequence Data ; Pest Control, Biological
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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holmes, Jonathan A -- New York, N.Y. -- Science. 2008 May 9;320(5877):752-3. doi: 10.1126/science.1158105.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Change Research Centre, Department of Geography, University College London, London WC1E 6BT, UK. j.holmes@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18467577" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Biological Evolution ; *Desert Climate ; *Ecosystem
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  • 89
    Publication Date: 2008-06-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Porter, John R -- Chirinda, Ngonidzashe -- Felby, Claus -- Olesen, Jorgen E -- New York, N.Y. -- Science. 2008 Jun 13;320(5882):1421-2; author reply 1421-2. doi: 10.1126/science.320.5882.1421.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18556534" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomass ; Crops, Agricultural ; Ecosystem ; *Energy-Generating Resources ; Plant Development ; *Plants
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  • 90
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-08-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2008 Aug 22;321(5892):1028-9. doi: 10.1126/science.321.5892.1028b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18719257" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; *Genome ; Genomics ; Invertebrates/classification/cytology/*genetics/physiology ; *Sequence Analysis, DNA
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  • 91
    Publication Date: 2008-05-24
    Description: Virtually all nonequilibrium electron transfers on Earth are driven by a set of nanobiological machines composed largely of multimeric protein complexes associated with a small number of prosthetic groups. These machines evolved exclusively in microbes early in our planet's history yet, despite their antiquity, are highly conserved. Hence, although there is enormous genetic diversity in nature, there remains a relatively stable set of core genes coding for the major redox reactions essential for life and biogeochemical cycles. These genes created and coevolved with biogeochemical cycles and were passed from microbe to microbe primarily by horizontal gene transfer. A major challenge in the coming decades is to understand how these machines evolved, how they work, and the processes that control their activity on both molecular and planetary scales.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Falkowski, Paul G -- Fenchel, Tom -- Delong, Edward F -- New York, N.Y. -- Science. 2008 May 23;320(5879):1034-9. doi: 10.1126/science.1153213.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Biophysics and Molecular Ecology Program, Institute of Marine and Coastal Sciences and Department of Earth and Planetary Sciences, Rutgers University, New Brunswick, NJ 08901, USA. falko@marine.rutgers.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18497287" target="_blank"〉PubMed〈/a〉
    Keywords: Archaea/genetics/*metabolism ; Archaeal Proteins/chemistry/genetics/metabolism ; Atmosphere ; Bacteria/genetics/*metabolism ; Bacterial Proteins/chemistry/genetics/metabolism ; *Biological Evolution ; *Earth (Planet) ; Ecosystem ; Elements ; Gene Transfer, Horizontal ; Genes, Archaeal ; Genes, Bacterial ; Genetic Variation ; Geological Phenomena ; Geology ; *Metabolic Networks and Pathways ; Oxidation-Reduction ; Photosynthesis ; Thermodynamics
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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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  • 92
    Publication Date: 2008-11-15
    Description: Analyses of the KNM-WT 15000 Homo erectus juvenile male partial skeleton from Kenya concluded that this species had a tall thin body shape due to specialized locomotor and climatic adaptations. Moreover, it was concluded that H. erectus pelves were obstetrically restricted to birthing a small-brained altricial neonate. Here we describe a nearly complete early Pleistocene adult female H. erectus pelvis from the Busidima Formation of Gona, Afar, Ethiopia. This obstetrically capacious pelvis demonstrates that pelvic shape in H. erectus was evolving in response to increasing fetal brain size. This pelvis indicates that neither adaptations to tropical environments nor endurance running were primary selective factors in determining pelvis morphology in H. erectus during the early Pleistocene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simpson, Scott W -- Quade, Jay -- Levin, Naomi E -- Butler, Robert -- Dupont-Nivet, Guillaume -- Everett, Melanie -- Semaw, Sileshi -- New York, N.Y. -- Science. 2008 Nov 14;322(5904):1089-92. doi: 10.1126/science.1163592.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy, Case Western Reserve University School of Medicine, Cleveland, OH 44106-4930, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19008443" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; Animals, Newborn ; Biological Evolution ; Body Height ; Body Size ; Brain/anatomy & histology/embryology ; Environment ; Ethiopia ; Female ; *Fossils ; Hominidae/*anatomy & histology/physiology ; Humans ; Locomotion ; Lumbar Vertebrae/*anatomy & histology ; Parturition ; Pelvic Bones/*anatomy & histology ; Pelvis/anatomy & histology ; Sacrum/anatomy & histology
    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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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-06-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2008 Jun 27;320(5884):1716-7. doi: 10.1126/science.320.5884.1716.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18583591" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Birds/*classification/*genetics ; Flight, Animal ; *Genome ; *Genomics ; Invertebrates/classification/genetics ; *Phylogeny ; Plants/classification/genetics ; Sequence Analysis, DNA
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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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  • 94
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2008 May 2;320(5876):598-9. doi: 10.1126/science.320.5876.598b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18451274" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Canada ; China ; Ecosystem ; *Food Chain ; *Fossils ; Plants
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
    Publication Date: 2008-08-30
    Description: Experimental estimates of the effects of selection on genes determining adaptive traits add to our understanding of the mechanisms of evolution. We measured selection on genotypes of the Ectodysplasin locus, which underlie differences in lateral plates in threespine stickleback fish. A derived allele (low) causing reduced plate number has been fixed repeatedly after marine stickleback colonized freshwater from the sea, where the ancestral allele (complete) predominates. We transplanted marine sticklebacks carrying both alleles to freshwater ponds and tracked genotype frequencies over a generation. The low allele increased in frequency once lateral plates developed, most likely via a growth advantage. Opposing selection at the larval stage and changing dominance for fitness throughout life suggest either that the gene affects additional traits undergoing selection or that linked loci also are affecting fitness.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barrett, Rowan D H -- Rogers, Sean M -- Schluter, Dolph -- New York, N.Y. -- Science. 2008 Oct 10;322(5899):255-7. doi: 10.1126/science.1159978. Epub 2008 Aug 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zoology Department and Biodiversity Research Centre, University of British Columbia, 6270 University Boulevard, Vancouver, BC V6T 1Z4, Canada. rbarrett@zoology.ubc.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18755942" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Body Size ; Bone Development/*genetics ; Bone and Bones/anatomy & histology ; Ecosystem ; Ectodysplasins/*genetics ; Fresh Water ; Gene Frequency ; Genotype ; Microsatellite Repeats ; Oceans and Seas ; Reproduction ; Seawater ; *Selection, Genetic ; Sexual Maturation ; Smegmamorpha/*anatomy & histology/*genetics/growth & development
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
    Publication Date: 2008-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, Robert -- New York, N.Y. -- Science. 2008 Dec 19;322(5909):1778. doi: 10.1126/science.322.5909.1778.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19095913" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; Democratic Republic of the Congo ; Ecosystem ; Female ; *Gorilla gorilla/genetics ; Habituation, Psychophysiologic ; Male ; Population Density ; Violence
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
    Publication Date: 2008-12-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, Robert -- New York, N.Y. -- Science. 2008 Dec 5;322(5907):1456-7. doi: 10.1126/science.322.5907.1456.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19056950" target="_blank"〉PubMed〈/a〉
    Keywords: *Ambystoma mexicanum/genetics/growth & development/physiology ; Animals ; Biological Evolution ; Conservation of Natural Resources ; Ecosystem ; Gene Expression ; Mexico ; *Models, Animal ; Population Density ; Population Dynamics ; Regeneration
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-06-17
    Description: The study of past forest change provides a necessary historical context for evaluating the outcome of human-induced climate change and biological invasions. Retrospective analyses based on fossil and genetic data greatly advance our understanding of tree colonization, adaptation, and extinction in response to past climatic change. For instance, these analyses reveal cryptic refugia near or north of continental ice sheets, leading to reevaluation of postglacial tree migration rates. Species extinctions appear to have occurred primarily during periods of high climatic variability. Transoceanic dispersal and colonization in the tropics were widespread at geological time scales, inconsistent with the idea that tropical forests are particularly resistant to biological invasions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Petit, Remy J -- Hu, Feng Sheng -- Dick, Christopher W -- New York, N.Y. -- Science. 2008 Jun 13;320(5882):1450-2. doi: 10.1126/science.1155457.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INRA, UMR1202 Biodiversity, Genes and Communities, 69 Route d'Arcachon, F-33612 Cestas, France. petit@pierroton.inra.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18556547" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Biological Evolution ; *Climate ; *Ecosystem ; Extinction, Biological ; Fossils ; Genetic Speciation ; Time ; *Trees/genetics/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-02-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bagla, Pallava -- New York, N.Y. -- Science. 2008 Feb 22;319(5866):1027. doi: 10.1126/science.319.5866.1027a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18292314" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Conservation of Natural Resources ; Ecosystem ; India ; Population Density ; Population Dynamics ; *Tigers
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
    Publication Date: 2008-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whitfield, John -- New York, N.Y. -- Science. 2008 Dec 19;322(5909):1786-7. doi: 10.1126/science.322.5909.1786.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19095921" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Birds ; Climate ; Ecosystem ; Fisheries ; *Fishes ; *Food Chain ; Humans ; North Sea ; Nutritive Value ; Oceans and Seas ; Pacific Ocean ; Population Dynamics ; Predatory Behavior ; *Sea Lions ; Seawater ; Temperature
    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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