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  • *Biological Evolution  (23)
  • American Association for the Advancement of Science (AAAS)  (23)
  • 2005-2009  (23)
  • 2006  (23)
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Keywords
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  • American Association for the Advancement of Science (AAAS)  (23)
Years
  • 2005-2009  (23)
Year
  • 11
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    Late-Neoproterozoic deep-ocean oxygenation and the rise of animal life (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-13
    Description: Because animals require oxygen, an increase in late-Neoproterozoic oxygen concentrations has been suggested as a stimulus for their evolution. The iron content of deep-sea sediments shows that the deep ocean was anoxic and ferruginous before and during the Gaskiers glaciation 580 million years ago and that it became oxic afterward. The first known members of the Ediacara biota arose shortly after the Gaskiers glaciation, suggesting a causal link between their evolution and this oxygenation event. A prolonged stable oxic environment may have permitted the emergence of bilateral motile animals some 25 million years later.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Canfield, Don E -- Poulton, Simon W -- Narbonne, Guy M -- New York, N.Y. -- Science. 2007 Jan 5;315(5808):92-5. Epub 2006 Dec 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nordic Center for Earth Evolution (NordCEE) and Institute of Biology, University of Southern Denmark, Campusvej 55, 5230 Odense M, Denmark. dec@biology.sdu.dk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17158290" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atmosphere ; *Biological Evolution ; *Fossils ; Geologic Sediments/chemistry ; Ice Cover ; Iron/analysis ; Newfoundland and Labrador ; Oxidation-Reduction ; Oxygen/*analysis ; Seawater/*chemistry ; Sulfates/analysis ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 12
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    Science communication. Public acceptance of evolution (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-08-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Jon D -- Scott, Eugenie C -- Okamoto, Shinji -- New York, N.Y. -- Science. 2006 Aug 11;313(5788):765-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Michigan State University, East Lansing, MI 48824-1115, USA. jdmiller@msu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16902112" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Age Factors ; *Attitude ; *Biological Evolution ; Educational Status ; Europe ; Female ; Genetics ; Humans ; Japan ; Male ; Politics ; *Public Opinion ; Public Policy ; Religion ; Religion and Science ; Sex Factors ; Surveys and Questionnaires ; United States
    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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  • 13
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    Finding good in the bad and vice versa (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johns, David -- New York, N.Y. -- Science. 2006 Mar 10;311(5766):1376.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16527949" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Confidentiality ; Korea ; *Religion and Science ; Science/education/standards ; *Scientific Misconduct ; United States
    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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  • 14
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    Out of the tropics: evolutionary dynamics of the latitudinal diversity gradient (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-10-07
    Description: The evolutionary dynamics underlying the latitudinal gradient in biodiversity have been controversial for over a century. Using a spatially explicit approach that incorporates not only origination and extinction but immigration, a global analysis of genera and subgenera of marine bivalves over the past 11 million years supports an "out of the tropics" model, in which taxa preferentially originate in the tropics and expand toward the poles without losing their tropical presence. The tropics are thus both a cradle and a museum of biodiversity, contrary to the conceptual dichotomy dominant since 1974; a tropical diversity crisis would thus have profound evolutionary effects at all latitudes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jablonski, David -- Roy, Kaustuv -- Valentine, James W -- New York, N.Y. -- Science. 2006 Oct 6;314(5796):102-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, USA. djablons@uchicago.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17023653" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; *Bivalvia/classification ; *Fossils ; Geography ; Models, Biological ; Phylogeny ; Population Dynamics ; *Tropical Climate
    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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  • 15
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    Genomics and the irreducible nature of eukaryote cells (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-20
    Description: Large-scale comparative genomics in harness with proteomics has substantiated fundamental features of eukaryote cellular evolution. The evolutionary trajectory of modern eukaryotes is distinct from that of prokaryotes. Data from many sources give no direct evidence that eukaryotes evolved by genome fusion between archaea and bacteria. Comparative genomics shows that, under certain ecological settings, sequence loss and cellular simplification are common modes of evolution. Subcellular architecture of eukaryote cells is in part a physical-chemical consequence of molecular crowding; subcellular compartmentation with specialized proteomes is required for the efficient functioning of proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kurland, C G -- Collins, L J -- Penny, D -- New York, N.Y. -- Science. 2006 May 19;312(5776):1011-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbial Ecology, Lund University, Lund, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16709776" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Cell Compartmentation ; *Eukaryotic Cells ; Evolution, Molecular ; *Genomics ; Phagocytosis ; Prokaryotic Cells ; Proteome ; Selection, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Genomic evolution of Hox gene clusters (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-30
    Description: The family of Hox genes, which number 4 to 48 per genome depending on the animal, control morphologies on the main body axis of nearly all metazoans. The conventional wisdom is that Hox genes are arranged in chromosomal clusters in colinear order with their expression patterns on the body axis. However, recent evidence has shown that Hox gene clusters are fragmented, reduced, or expanded in many animals-findings that correlate with interesting morphological changes in evolution. Hox gene clusters also contain many noncoding RNAs, such as intergenic regulatory transcripts and evolutionarily conserved microRNAs, some of whose developmental functions have recently been explored.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lemons, Derek -- McGinnis, William -- R37 HD028315/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2006 Sep 29;313(5795):1918-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Cell and Developmental Biology, University of California San Diego, La Jolla, CA 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17008523" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Patterning/genetics ; Evolution, Molecular ; Gene Dosage ; Gene Expression Regulation, Developmental ; Gene Order ; *Genes, Homeobox ; Humans ; Invertebrates/*genetics ; MicroRNAs/genetics ; *Multigene Family ; RNA, Untranslated/genetics ; Transcription Factors/*genetics/physiology ; Vertebrates/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    The effect of oxygen on biochemical networks and the evolution of complex life (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-25
    Description: The evolution of oxygenic photosynthesis and ensuing oxygenation of Earth's atmosphere represent a major transition in the history of life. Although many organisms retreated to anoxic environments, others evolved to use oxygen as a high-potential redox couple while concomitantly mitigating its toxicity. To understand the changes in biochemistry and enzymology that accompanied adaptation to O2, we integrated network analysis with information on enzyme evolution to infer how oxygen availability changed the architecture of metabolic networks. Our analysis revealed the existence of four discrete groups of networks of increasing complexity, with transitions between groups being contingent on the presence of key metabolites, including molecular oxygen, which was required for transition into the largest networks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raymond, Jason -- Segre, Daniel -- New York, N.Y. -- Science. 2006 Mar 24;311(5768):1764-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Microbial Systems Division, Biosciences Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16556842" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Aerobiosis ; Anaerobiosis ; Animals ; *Biological Evolution ; Coenzyme A/metabolism ; Computational Biology ; Computer Simulation ; Databases, Genetic ; Enzymes/metabolism ; Eukaryotic Cells ; *Evolution, Molecular ; Gene Duplication ; *Metabolism ; Monte Carlo Method ; Oxidation-Reduction ; Oxygen/*metabolism ; Photosynthesis ; Phylogeny ; Sulfur/metabolism ; Thermodynamics
    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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  • 18
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    Parietal-eye phototransduction components and their potential evolutionary implications (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-03-18
    Description: The parietal-eye photoreceptor is unique because it has two antagonistic light signaling pathways in the same cell-a hyperpolarizing pathway maximally sensitive to blue light and a depolarizing pathway maximally sensitive to green light. Here, we report the molecular components of these two pathways. We found two opsins in the same cell: the blue-sensitive pinopsin and a previously unidentified green-sensitive opsin, which we name parietopsin. Signaling components included gustducin-alpha and Galphao, but not rod or cone transducin-alpha. Single-cell recordings demonstrated that Go mediates the depolarizing response. Gustducin-alpha resembles transducin-alpha functionally and likely mediates the hyperpolarizing response. The parietopsin-Go signaling pair provides clues about how rod and cone phototransduction might have evolved.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Su, Chih-Ying -- Luo, Dong-Gen -- Terakita, Akihisa -- Shichida, Yoshinori -- Liao, Hsi-Wen -- Kazmi, Manija A -- Sakmar, Thomas P -- Yau, King-Wai -- EY06837/EY/NEI NIH HHS/ -- R01 DC006904/DC/NIDCD NIH HHS/ -- R01 DC006904-01/DC/NIDCD NIH HHS/ -- R01 DC006904-02/DC/NIDCD NIH HHS/ -- R01 EY006837/EY/NEI NIH HHS/ -- R01 EY006837-16A1/EY/NEI NIH HHS/ -- R01 EY006837-17/EY/NEI NIH HHS/ -- R01 EY006837-18/EY/NEI NIH HHS/ -- R01 EY006837-19/EY/NEI NIH HHS/ -- R01 EY014596/EY/NEI NIH HHS/ -- R01 EY014596-01/EY/NEI NIH HHS/ -- R01 EY014596-02/EY/NEI NIH HHS/ -- R01 EY014596-03/EY/NEI NIH HHS/ -- R01 EY014596-04/EY/NEI NIH HHS/ -- R37 EY006837/EY/NEI NIH HHS/ -- R37 EY006837-15S1/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2006 Mar 17;311(5767):1617-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. chih-ying.su@yale.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16543463" target="_blank"〉PubMed〈/a〉
    Keywords: 3',5'-Cyclic-GMP Phosphodiesterases/metabolism ; Amino Acid Sequence ; Animals ; *Biological Evolution ; Cell Line ; Cyclic GMP/metabolism ; GTP-Binding Protein alpha Subunits/genetics/physiology ; Humans ; Lizards/genetics/*physiology ; Molecular Sequence Data ; *Ocular Physiological Phenomena ; Patch-Clamp Techniques ; Photoreceptor Cells, Vertebrate/chemistry/*physiology ; Rod Opsins/analysis/genetics/*physiology ; Transducin/genetics/physiology ; *Vision, Ocular
    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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  • 19
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    Rapid temporal reversal in predator-driven natural selection (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-11-18
    Description: As the environment changes, will species be able to adapt? By conducting experiments in natural environments, biologists can study how evolutionary processes such as natural selection operate through time. We predicted that the introduction of a terrestrial predator would first select for longer-legged lizards, which are faster, but as the lizards shifted onto high twigs to avoid the predator, selection would reverse toward favoring the shorter-legged individuals better able to locomote there. Our experimental studies on 12 islets confirmed these predictions within a single generation, thus demonstrating the rapidity with which evolutionary forces can change during times of environmental flux.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Losos, Jonathan B -- Schoener, Thomas W -- Langerhans, R Brian -- Spiller, David A -- New York, N.Y. -- Science. 2006 Nov 17;314(5802):1111.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Box 1137, Washington University, St. Louis, MO 63130 USA. jlosos@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17110568" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bahamas ; *Biological Evolution ; Brazil ; Ecosystem ; Environment ; Lizards/*anatomy & histology/physiology ; *Predatory Behavior ; *Selection, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 20
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    Costly punishment across human societies (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-06-24
    Description: Recent behavioral experiments aimed at understanding the evolutionary foundations of human cooperation have suggested that a willingness to engage in costly punishment, even in one-shot situations, may be part of human psychology and a key element in understanding our sociality. However, because most experiments have been confined to students in industrialized societies, generalizations of these insights to the species have necessarily been tentative. Here, experimental results from 15 diverse populations show that (i) all populations demonstrate some willingness to administer costly punishment as unequal behavior increases, (ii) the magnitude of this punishment varies substantially across populations, and (iii) costly punishment positively covaries with altruistic behavior across populations. These findings are consistent with models of the gene-culture coevolution of human altruism and further sharpen what any theory of human cooperation needs to explain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Henrich, Joseph -- McElreath, Richard -- Barr, Abigail -- Ensminger, Jean -- Barrett, Clark -- Bolyanatz, Alexander -- Cardenas, Juan Camilo -- Gurven, Michael -- Gwako, Edwins -- Henrich, Natalie -- Lesorogol, Carolyn -- Marlowe, Frank -- Tracer, David -- Ziker, John -- New York, N.Y. -- Science. 2006 Jun 23;312(5781):1767-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, Emory University, 1557 Dickey Drive, Atlanta, GA 30322, USA. jhenric@emory.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16794075" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Age Factors ; *Altruism ; *Biological Evolution ; Cooperative Behavior ; Cross-Cultural Comparison ; *Cultural Evolution ; Educational Status ; Female ; Games, Experimental ; Humans ; Male ; Melanesia ; *Punishment ; Regression Analysis ; Sex Factors ; Siberia ; Social Behavior ; Socioeconomic Factors ; South America ; United States
    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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