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  • *Biological Evolution  (374)
  • Models, Biological  (272)
  • American Association for the Advancement of Science (AAAS)  (626)
  • American Institute of Physics (AIP)
  • Copernicus
  • 2005-2009  (626)
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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-09-26
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2847887/" 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/PMC2847887/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hedrick, Stephen M -- R01 AI021372/AI/NIAID NIH HHS/ -- R01 AI021372-26/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 25;325(5948):1623-4. doi: 10.1126/science.325_1623a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of California, San Diego, La Jolla, CA 92093-0377, USA. shedrick@ucsd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19779174" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Immune System/*physiology ; *Immunity ; Immunity, Innate ; Invertebrates/*immunology ; Selection, Genetic ; Vertebrates/*immunology
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-05-09
    Description: Understanding of plant-pathogen coevolution in natural systems continues to develop as new theories at the population and species level are increasingly informed by studies unraveling the molecular basis of interactions between individual plants and their pathogens. The next challenge lies in further integration of these approaches to develop a comprehensive picture of how life history traits of both players interact with the environment to shape evolutionary trajectories.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2689373/" 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/PMC2689373/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burdon, Jeremy J -- Thrall, Peter H -- R01 GM074265-01A2/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 May 8;324(5928):755-6. doi: 10.1126/science.1171663.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Commonwealth Scientific and Industrial Research Organization (CSIRO)-Plant Industry, Post Office Box 1600, Canberra, ACT 2601, Australia. Jeremy.Burdon@csiro.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19423818" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Ecosystem ; Fungal Proteins/genetics/metabolism ; Fungi/genetics/*pathogenicity/physiology ; *Host-Pathogen Interactions ; Immunity, Innate ; Plant Diseases/immunology/*microbiology ; Plant Proteins/genetics/metabolism ; Plants/genetics/immunology/metabolism/*microbiology
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  • 3
    Publication Date: 2009-06-23
    Description: The pace of Late Triassic (LT) biodiversity loss is uncertain, yet it could help to decipher causal mechanisms of mass extinction. We investigated relative abundance distributions (RADs) of six LT plant assemblages from the Kap Stewart Group, East Greenland, to determine the pace of collapse of LT primary productivity. RADs displayed not simply decreases in the number of taxa, but decreases in the number of common taxa. Likelihood tests rejected a hypothesis of continuously declining diversity. Instead, the RAD shift occurred over the upper two-to-four fossil plant assemblages and most likely over the last three (final 13 meters), coinciding with increased atmospheric carbon dioxide concentration and global warming. Thus, although the LT event did not induce mass extinction of plant families, it accompanied major and abrupt change in their ecology and diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McElwain, Jennifer C -- Wagner, Peter J -- Hesselbo, Stephen P -- New York, N.Y. -- Science. 2009 Jun 19;324(5934):1554-6. doi: 10.1126/science.1171706.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UCD School of Biology and Environmental Science, University College Dublin, National University of Ireland, Belfield, Dublin 4, Ireland. jennifer.mcelwain@ucd.ie〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19541995" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; Biological Evolution ; *Extinction, Biological ; *Fossils ; Greenland ; Likelihood Functions ; Models, Biological ; *Plants/genetics
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-04-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):162-3. doi: 10.1126/science.324.5924.162a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359553" target="_blank"〉PubMed〈/a〉
    Keywords: Asthma/etiology/genetics/immunology ; *Biological Evolution ; *Curriculum ; Disease Susceptibility ; Drug Resistance ; *Education, Medical ; Endemic Diseases ; Humans ; Immunity, Innate ; Immunoglobulin E/immunology ; Malaria/epidemiology/immunology ; Schistosomiasis/epidemiology/immunology
    Print ISSN: 0036-8075
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Dec 18;326(5960):1612. doi: 10.1126/science.326.5960.1612.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019263" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animals ; *Biological Evolution ; DNA-Binding Proteins/genetics/physiology ; Drosophila Proteins/genetics/physiology ; Drosophila melanogaster/*genetics/growth & development/physiology ; *Enhancer Elements, Genetic ; *Gene Expression Regulation, Developmental ; Mutation ; Paired Box Transcription Factors/genetics ; Pigmentation/genetics ; Regulatory Sequences, Nucleic Acid ; Smegmamorpha/anatomy & histology/*genetics/growth & development
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  • 6
    Publication Date: 2009-04-11
    Description: The nuclear factor kappaB (NF-kappaB) transcription factor regulates cellular stress responses and the immune response to infection. NF-kappaB activation results in oscillations in nuclear NF-kappaB abundance. To define the function of these oscillations, we treated cells with repeated short pulses of tumor necrosis factor-alpha at various intervals to mimic pulsatile inflammatory signals. At all pulse intervals that were analyzed, we observed synchronous cycles of NF-kappaB nuclear translocation. Lower frequency stimulations gave repeated full-amplitude translocations, whereas higher frequency pulses gave reduced translocation, indicating a failure to reset. Deterministic and stochastic mathematical models predicted how negative feedback loops regulate both the resetting of the system and cellular heterogeneity. Altering the stimulation intervals gave different patterns of NF-kappaB-dependent gene expression, which supports the idea that oscillation frequency has a functional role.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2785900/" 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/PMC2785900/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ashall, Louise -- Horton, Caroline A -- Nelson, David E -- Paszek, Pawel -- Harper, Claire V -- Sillitoe, Kate -- Ryan, Sheila -- Spiller, David G -- Unitt, John F -- Broomhead, David S -- Kell, Douglas B -- Rand, David A -- See, Violaine -- White, Michael R H -- BB/C007158/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/C008219/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/C520471/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/D010748/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E004210/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/E012965/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/F005938/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBC0071581/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBC0082191/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBC5204711/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBD0107481/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBF0059381/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0500346/Medical Research Council/United Kingdom -- G0500346(73596)/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):242-6. doi: 10.1126/science.1164860.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Cell Imaging, School of Biological Sciences, Bioscience Research Building, Crown Street, Liverpool, L69 7ZB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359585" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Animals ; Cell Line ; Cell Line, Tumor ; Cell Nucleus/metabolism ; Cytoplasm/metabolism ; Feedback, Physiological ; *Gene Expression ; Humans ; I-kappa B Proteins/metabolism ; Mice ; Models, Biological ; Models, Statistical ; NF-kappa B/*metabolism ; Phosphorylation ; Recombinant Fusion Proteins/metabolism ; Stochastic Processes ; Transcription Factor RelA/*metabolism ; *Transcription, Genetic ; Transfection ; Tumor Necrosis Factor-alpha/*metabolism
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-03-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sheps, Jonathan A -- New York, N.Y. -- Science. 2009 Mar 27;323(5922):1679-80. doi: 10.1126/science.1172428.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Genetics and Developmental Biology, BC Cancer Research Centre, British Columbia Cancer Agency, Vancouver, BC V5Z 1L3 Canada. jsheps@bccrc.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325102" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Biological Transport ; Crystallography, X-Ray ; Drug Design ; Lipid Bilayers/chemistry ; Models, Biological ; Oligopeptides/chemistry/metabolism ; P-Glycoprotein/*chemistry/*metabolism ; Peptides, Cyclic/*chemistry/*metabolism ; Protein Binding ; Protein Conformation ; Stereoisomerism
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-08-22
    Description: Actin filaments and microtubules polymerize and depolymerize by adding and removing subunits at polymer ends, and these dynamics drive cytoplasmic organization, cell division, and cell motility. Since Wegner proposed the treadmilling theory for actin in 1976, it has largely been assumed that the chemical state of the bound nucleotide determines the rates of subunit addition and removal. This chemical kinetics view is difficult to reconcile with observations revealing multiple structural states of the polymer that influence polymerization dynamics but that are not strictly coupled to the bound nucleotide state. We refer to these phenomena as "structural plasticity" and discuss emerging evidence that they play a central role in polymer dynamics and function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2864651/" 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/PMC2864651/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kueh, Hao Yuan -- Mitchison, Timothy J -- GM 23928/GM/NIGMS NIH HHS/ -- R01 GM023928/GM/NIGMS NIH HHS/ -- R01 GM023928-31/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Aug 21;325(5943):960-3. doi: 10.1126/science.1168823.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Systems Biology, Harvard Medical School, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19696342" target="_blank"〉PubMed〈/a〉
    Keywords: Actin Cytoskeleton/*chemistry/metabolism/ultrastructure ; Actin Depolymerizing Factors/metabolism ; Actins/*chemistry/metabolism ; Adenosine Triphosphate/metabolism ; Guanosine Diphosphate/metabolism ; Guanosine Triphosphate/metabolism ; Kinetics ; Microfilament Proteins/metabolism ; Microtubules/*chemistry/metabolism/ultrastructure ; Models, Biological ; Tubulin/*chemistry/metabolism
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Sep 11;325(5946):1332. doi: 10.1126/science.325_1332.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19745128" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*history ; History, 20th Century ; History, 21st Century ; United States
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  • 10
    Publication Date: 2009-12-08
    Description: The genome of Mycoplasma pneumoniae is among the smallest found in self-replicating organisms. To study the basic principles of bacterial proteome organization, we used tandem affinity purification-mass spectrometry (TAP-MS) in a proteome-wide screen. The analysis revealed 62 homomultimeric and 116 heteromultimeric soluble protein complexes, of which the majority are novel. About a third of the heteromultimeric complexes show higher levels of proteome organization, including assembly into larger, multiprotein complex entities, suggesting sequential steps in biological processes, and extensive sharing of components, implying protein multifunctionality. Incorporation of structural models for 484 proteins, single-particle electron microscopy, and cellular electron tomograms provided supporting structural details for this proteome organization. The data set provides a blueprint of the minimal cellular machinery required for life.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuhner, Sebastian -- van Noort, Vera -- Betts, Matthew J -- Leo-Macias, Alejandra -- Batisse, Claire -- Rode, Michaela -- Yamada, Takuji -- Maier, Tobias -- Bader, Samuel -- Beltran-Alvarez, Pedro -- Castano-Diez, Daniel -- Chen, Wei-Hua -- Devos, Damien -- Guell, Marc -- Norambuena, Tomas -- Racke, Ines -- Rybin, Vladimir -- Schmidt, Alexander -- Yus, Eva -- Aebersold, Ruedi -- Herrmann, Richard -- Bottcher, Bettina -- Frangakis, Achilleas S -- Russell, Robert B -- Serrano, Luis -- Bork, Peer -- Gavin, Anne-Claude -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1235-40. doi: 10.1126/science.1176343.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Meyerhofstrasse 1, D-69117 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965468" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/*analysis/isolation & purification/metabolism ; Computational Biology ; *Genome, Bacterial ; Mass Spectrometry/methods ; Metabolic Networks and Pathways ; Microscopy, Electron ; Models, Biological ; Models, Molecular ; Multiprotein Complexes/*analysis/metabolism ; Mycoplasma pneumoniae/*chemistry/*genetics/metabolism/ultrastructure ; Pattern Recognition, Automated ; Protein Interaction Mapping ; *Proteome ; Systems Biology
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-09-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1196-9. doi: 10.1126/science.325_1196.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729633" target="_blank"〉PubMed〈/a〉
    Keywords: Altruism ; Animals ; Bacteriophages/physiology ; *Biological Evolution ; Competitive Behavior ; *Cooperative Behavior ; Dictyostelium/physiology ; Family ; Game Theory ; Games, Experimental ; Humans ; Mutation ; Pseudomonas aeruginosa/physiology ; Punishment ; Quorum Sensing ; Reward ; Selection, Genetic ; *Social Behavior ; Warfare
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  • 12
    Publication Date: 2009-10-08
    Description: Hominid fossils predating the emergence of Australopithecus have been sparse and fragmentary. The evolution of our lineage after the last common ancestor we shared with chimpanzees has therefore remained unclear. Ardipithecus ramidus, recovered in ecologically and temporally resolved contexts in Ethiopia's Afar Rift, now illuminates earlier hominid paleobiology and aspects of extant African ape evolution. More than 110 specimens recovered from 4.4-million-year-old sediments include a partial skeleton with much of the skull, hands, feet, limbs, and pelvis. This hominid combined arboreal palmigrade clambering and careful climbing with a form of terrestrial bipedality more primitive than that of Australopithecus. Ar. ramidus had a reduced canine/premolar complex and a little-derived cranial morphology and consumed a predominantly C3 plant-based diet (plants using the C3 photosynthetic pathway). Its ecological habitat appears to have been largely woodland-focused. Ar. ramidus lacks any characters typical of suspension, vertical climbing, or knuckle-walking. Ar. ramidus indicates that despite the genetic similarities of living humans and chimpanzees, the ancestor we last shared probably differed substantially from any extant African ape. Hominids and extant African apes have each become highly specialized through very different evolutionary pathways. This evidence also illuminates the origins of orthogrady, bipedality, ecology, diet, and social behavior in earliest Hominidae and helps to define the basal hominid adaptation, thereby accentuating the derived nature of Australopithecus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, Tim D -- Asfaw, Berhane -- Beyene, Yonas -- Haile-Selassie, Yohannes -- Lovejoy, C Owen -- Suwa, Gen -- WoldeGabriel, Giday -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):75-86.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human Evolution Research Center and Department of Integrative Biology, 3101 Valley Life Sciences Building, University of California, Berkeley, CA 94720, USA. timwhite@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19810190" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bone and Bones/anatomy & histology ; Dentition ; Diet ; Ecosystem ; Environment ; Ethiopia ; *Fossils ; Geologic Sediments ; Geological Phenomena ; *Hominidae/anatomy & histology/classification/genetics/physiology ; Humans ; Locomotion ; Paleodontology ; Pan troglodytes/genetics ; Phylogeny ; Skeleton ; Skull/anatomy & histology ; Social Behavior ; Tooth/anatomy & histology
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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-07-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2009 Jul 3;325(5936):24-6. doi: 10.1126/science.325_24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19574364" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Animals ; *Biological Evolution ; Central Nervous System/anatomy & histology/physiology ; Cnidaria/cytology/genetics/physiology ; Ctenophora/cytology/physiology ; Ion Channels/physiology ; Nerve Net/anatomy & histology/physiology ; Nervous System/*anatomy & histology ; *Nervous System Physiological Phenomena ; Neurons/*cytology/*physiology ; Phylogeny ; Porifera/cytology/genetics/physiology ; Synapses/physiology
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  • 14
    Publication Date: 2009-09-26
    Description: To explore the mechanisms and evolution of cell-cycle control, we analyzed the position and conservation of large numbers of phosphorylation sites for the cyclin-dependent kinase Cdk1 in the budding yeast Saccharomyces cerevisiae. We combined specific chemical inhibition of Cdk1 with quantitative mass spectrometry to identify the positions of 547 phosphorylation sites on 308 Cdk1 substrates in vivo. Comparisons of these substrates with orthologs throughout the ascomycete lineage revealed that the position of most phosphorylation sites is not conserved in evolution; instead, clusters of sites shift position in rapidly evolving disordered regions. We propose that the regulation of protein function by phosphorylation often depends on simple nonspecific mechanisms that disrupt or enhance protein-protein interactions. The gain or loss of phosphorylation sites in rapidly evolving regions could facilitate the evolution of kinase-signaling circuits.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2813701/" 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/PMC2813701/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holt, Liam J -- Tuch, Brian B -- Villen, Judit -- Johnson, Alexander D -- Gygi, Steven P -- Morgan, David O -- GM037049/GM/NIGMS NIH HHS/ -- GM50684/GM/NIGMS NIH HHS/ -- HG3456/HG/NHGRI NIH HHS/ -- R01 GM069901/GM/NIGMS NIH HHS/ -- R01 GM069901-06/GM/NIGMS NIH HHS/ -- R01 HG003456/HG/NHGRI NIH HHS/ -- R01 HG003456-06/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 25;325(5948):1682-6. doi: 10.1126/science.1172867.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Physiology and Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19779198" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Ascomycota/chemistry/genetics/metabolism ; *Biological Evolution ; CDC2 Protein Kinase/antagonists & inhibitors/*metabolism ; *Cell Cycle ; Cell Physiological Processes ; Computational Biology ; *Evolution, Molecular ; Molecular Sequence Data ; Phosphopeptides/chemistry/*metabolism ; Phosphorylation ; Phylogeny ; Protein Conformation ; Protein Structure, Tertiary ; Saccharomyces cerevisiae/chemistry/genetics/metabolism ; Saccharomyces cerevisiae Proteins/chemistry/*metabolism ; *Signal Transduction ; Substrate Specificity
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  • 15
    Publication Date: 2009-12-08
    Description: Although the nematode Caenorhabditis elegans produces self-fertile hermaphrodites, it descended from a male/female species, so hermaphroditism provides a model for the origin of novel traits. In the related species C. remanei, which has only male and female sexes, lowering the activity of tra-2 by RNA interference created XX animals that made spermatids as well as oocytes, but their spermatids could not activate without the addition of male seminal fluid. However, by lowering the expression of both tra-2 and swm-1, a gene that regulates sperm activation in C. elegans, we produced XX animals with active sperm that were self-fertile. Thus, the evolution of hermaphroditism in Caenorhabditis probably required two steps: a mutation in the sex-determination pathway that caused XX spermatogenesis and a mutation that allowed these spermatids to self-activate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baldi, Chris -- Cho, Soochin -- Ellis, Ronald E -- New York, N.Y. -- Science. 2009 Nov 13;326(5955):1002-5. doi: 10.1126/science.1176013.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School of Biomedical Sciences, University of Medicine and Dentistry of New Jersey, Stratford, NJ 08084, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965511" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; *Biological Evolution ; Caenorhabditis/anatomy & histology/classification/*genetics/*physiology ; Caenorhabditis elegans/anatomy & histology/classification/*genetics/*physiology ; Caenorhabditis elegans Proteins/genetics/physiology ; Crosses, Genetic ; Disorders of Sex Development/genetics ; Female ; Genes, Helminth ; Germ Cells/physiology ; Male ; Membrane Proteins/genetics/physiology ; Molecular Sequence Data ; *Mutation ; Oogenesis ; Ovulation ; Phylogeny ; Reproduction ; Selection, Genetic ; Sex Determination Processes ; Spermatids/physiology ; Spermatogenesis
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-08-15
    Description: Dynamin-related proteins (DRPs) can generate forces to remodel membranes. In cells, DRPs require additional proteins [DRP-associated proteins (DAPs)] to conduct their functions. To dissect the mechanistic role of a DAP, we used the yeast mitochondrial division machine as a model, which requires the DRP Dnm1, and two other proteins, Mdv1 and Fis1. Mdv1 played a postmitochondrial targeting role in division by specifically interacting and coassembling with the guanosine triphosphate-bound form of Dnm1. This regulated interaction nucleated and promoted the self-assembly of Dnm1 into helical structures, which drive membrane scission. The nucleation of DRP assembly probably represents a general regulatory strategy for this family of filament-forming proteins, similar to F-actin regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lackner, Laura L -- Horner, Jennifer S -- Nunnari, Jodi -- 1F32GM078749/GM/NIGMS NIH HHS/ -- R01 GM062942/GM/NIGMS NIH HHS/ -- R01GM062942/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Aug 14;325(5942):874-7. doi: 10.1126/science.1176921.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, University of California, Davis, CA 95616, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19679814" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/*metabolism ; GTP Phosphohydrolases/chemistry/genetics/*metabolism ; Guanosine Triphosphate/analogs & derivatives/metabolism ; Intracellular Membranes/physiology ; Kinetics ; Liposomes/metabolism ; Mitochondria/*physiology ; Mitochondrial Proteins/chemistry/genetics/*metabolism ; Models, Biological ; Protein Binding ; Protein Conformation ; Protein Structure, Secondary ; Saccharomyces cerevisiae Proteins/chemistry/genetics/*metabolism
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  • 17
    Publication Date: 2009-09-05
    Description: Hou et al. (Reports, 31 October 2008, p. 736) presented a model for energy uptake and allocation over an organism's growth and development. However, their model does not account for allocation to reproduction (essential to adults) and growth without assimilation (essential to embryos) and is therefore only applicable to organisms growing with abundant food in the juvenile stage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sousa, Tania -- Marques, Goncalo M -- Domingos, Tiago -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1206; author reply 1206. doi: 10.1126/science.1169523.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environment and Energy Section, DEM, and IN+ Center for Innovation Technology and Policy Research, Instituto Superior Tecnico, Lisboa, Portugal.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basal Metabolism ; Biomass ; Birds/embryology/growth & development/*metabolism ; Embryo, Mammalian/metabolism ; Embryo, Nonmammalian/metabolism ; Embryonic Development ; Energy Intake ; *Energy Metabolism ; Food ; *Growth ; Mammals/embryology/growth & development/*metabolism ; Models, Biological ; Oxygen Consumption ; Reproduction
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  • 18
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2009 Oct 9;326(5950):224-5. doi: 10.1126/science.326_224.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19815751" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Asia ; *Biological Evolution ; Emigration and Immigration ; Europe ; *Fossils ; *Hominidae/anatomy & histology/classification ; Humans ; Terminology as Topic
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  • 19
    Publication Date: 2009-09-19
    Description: Insect wings are complex structures that deform dramatically in flight. We analyzed the aerodynamic consequences of wing deformation in locusts using a three-dimensional computational fluid dynamics simulation based on detailed wing kinematics. We validated the simulation against smoke visualizations and digital particle image velocimetry on real locusts. We then used the validated model to explore the effects of wing topography and deformation, first by removing camber while keeping the same time-varying twist distribution, and second by removing camber and spanwise twist. The full-fidelity model achieved greater power economy than the uncambered model, which performed better than the untwisted model, showing that the details of insect wing topography and deformation are important aerodynamically. Such details are likely to be important in engineering applications of flapping flight.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, John -- Walker, Simon M -- Bomphrey, Richard J -- Taylor, Graham K -- Thomas, Adrian L R -- 204513/European Research Council/International -- New York, N.Y. -- Science. 2009 Sep 18;325(5947):1549-52. doi: 10.1126/science.1175928.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Engineering and Information Technology, University of New South Wales, Australian Defence Force Academy, Canberra, Australian Capital Territory 2600, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19762645" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomechanical Phenomena ; Computer Simulation ; Flight, Animal/*physiology ; Grasshoppers/*anatomy & histology/*physiology ; Models, Biological ; Movement ; Wings, Animal/*anatomy & histology/*physiology
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  • 20
    Publication Date: 2009-12-19
    Description: The evolution of cis regulatory elements (enhancers) of developmentally regulated genes plays a large role in the evolution of animal morphology. However, the mutational path of enhancer evolution--the number, origin, effect, and order of mutations that alter enhancer function--has not been elucidated. Here, we localized a suite of substitutions in a modular enhancer of the ebony locus responsible for adaptive melanism in a Ugandan Drosophila population. We show that at least five mutations with varied effects arose recently from a combination of standing variation and new mutations and combined to create an allele of large phenotypic effect. We underscore how enhancers are distinct macromolecular entities, subject to fundamentally different, and generally more relaxed, functional constraints relative to protein sequences.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3363996/" 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/PMC3363996/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rebeiz, Mark -- Pool, John E -- Kassner, Victoria A -- Aquadro, Charles F -- Carroll, Sean B -- F32GM78972/GM/NIGMS NIH HHS/ -- F32HG004182/HG/NHGRI NIH HHS/ -- GM036431/GM/NIGMS NIH HHS/ -- R01 GM036431/GM/NIGMS NIH HHS/ -- R01 GM036431-22/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Dec 18;326(5960):1663-7. doi: 10.1126/science.1178357.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Laboratory of Molecular Biology, University of Wisconsin, Madison, WI 53706, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019281" target="_blank"〉PubMed〈/a〉
    Keywords: Abdomen ; Adaptation, Biological ; Alleles ; Animals ; Animals, Genetically Modified ; *Biological Evolution ; DNA-Binding Proteins/*genetics ; Drosophila Proteins/*genetics ; Drosophila melanogaster/*genetics/growth & development/physiology ; *Enhancer Elements, Genetic ; Evolution, Molecular ; Gene Expression Regulation, Developmental ; Haplotypes ; Molecular Sequence Data ; Mutation ; Pigmentation/*genetics ; Polymorphism, Genetic ; Uganda
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-08-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Redfield, Rosemary J -- New York, N.Y. -- Science. 2009 Aug 21;325(5943):946. doi: 10.1126/science.325_946a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19696335" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/genetics ; *Bacterial Physiological Phenomena ; *Biological Evolution ; *Meiosis ; *Recombination, Genetic
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  • 22
    Publication Date: 2009-04-18
    Description: Colonization of the land by plants most likely occurred in a stepwise fashion starting in the Mid-Ordovician. The earliest flora of bryophyte-like plants appears to have been cosmopolitan and dominated the planet, relatively unchanged, for some 30 million years. It is represented by fossilized dispersed cryptospores and fragmentary plant remains. In the Early Silurian, cryptospore abundance and diversity diminished abruptly as trilete spores appeared, became abundant, and underwent rapid diversification. This change coincides approximately with the appearance of vascular plant megafossils and probably represents the origin and adaptive radiation of vascular plants. We have obtained a diverse trilete spore occurrence from the Late Ordovician that suggests that vascular plants originated and diversified earlier than previously hypothesized, in Gondwana, before migrating elsewhere and secondarily diversifying.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steemans, Philippe -- Herisse, Alain Le -- Melvin, John -- Miller, Merrell A -- Paris, Florentin -- Verniers, Jacques -- Wellman, Charles H -- New York, N.Y. -- Science. 2009 Apr 17;324(5925):353. doi: 10.1126/science.1169659.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Palaeobotany, B-18, University of Liege, 4000 Liege, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19372423" target="_blank"〉PubMed〈/a〉
    Keywords: Biodiversity ; *Biological Evolution ; *Fossils ; Geologic Sediments ; Plant Physiological Phenomena ; *Plants ; Saudi Arabia ; *Spores
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  • 23
    Publication Date: 2009-02-07
    Description: Evolution may be dominated by biotic factors, as in the Red Queen model, or abiotic factors, as in the Court Jester model, or a mixture of both. The two models appear to operate predominantly over different geographic and temporal scales: Competition, predation, and other biotic factors shape ecosystems locally and over short time spans, but extrinsic factors such as climate and oceanographic and tectonic events shape larger-scale patterns regionally and globally, and through thousands and millions of years. Paleobiological studies suggest that species diversity is driven largely by abiotic factors such as climate, landscape, or food supply, and comparative phylogenetic approaches offer new insights into clade dynamics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benton, Michael J -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):728-32. doi: 10.1126/science.1157719.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK. mike.benton@bristol.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197051" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; Climate ; Fossils ; *Genetic Speciation ; Geography ; Geological Phenomena ; Logistic Models ; Models, Biological ; Phylogeny ; Time
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  • 24
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-02-07
    Description: Ever since the integration of Mendelian genetics into evolutionary biology in the early 20th century, evolutionary geneticists have for the most part treated genes and mutations as generic entities. However, recent observations indicate that all genes are not equal in the eyes of evolution. Evolutionarily relevant mutations tend to accumulate in hotspot genes and at specific positions within genes. Genetic evolution is constrained by gene function, the structure of genetic networks, and population biology. The genetic basis of evolution may be predictable to some extent, and further understanding of this predictability requires incorporation of the specific functions and characteristics of genes into evolutionary theory.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3184636/" 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/PMC3184636/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stern, David L -- Orgogozo, Virginie -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):746-51. doi: 10.1126/science.1158997.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Howard Hughes Medical Institute, Princeton University, Princeton, NJ 08544, USA. dstern@princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197055" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arabidopsis/genetics ; *Biological Evolution ; Drosophila/genetics ; Epistasis, Genetic ; *Evolution, Molecular ; Gene Regulatory Networks ; *Genes ; Genetic Speciation ; Genetic Variation ; *Mutation ; Phenotype ; Plants/genetics ; Population Dynamics ; Selection, Genetic
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  • 25
    Publication Date: 2009-04-11
    Description: Picoeukaryotes are a taxonomically diverse group of organisms less than 2 micrometers in diameter. Photosynthetic marine picoeukaryotes in the genus Micromonas thrive in ecosystems ranging from tropical to polar and could serve as sentinel organisms for biogeochemical fluxes of modern oceans during climate change. These broadly distributed primary producers belong to an anciently diverged sister clade to land plants. Although Micromonas isolates have high 18S ribosomal RNA gene identity, we found that genomes from two isolates shared only 90% of their predicted genes. Their independent evolutionary paths were emphasized by distinct riboswitch arrangements as well as the discovery of intronic repeat elements in one isolate, and in metagenomic data, but not in other genomes. Divergence appears to have been facilitated by selection and acquisition processes that actively shape the repertoire of genes that are mutually exclusive between the two isolates differently than the core genes. Analyses of the Micromonas genomes offer valuable insights into ecological differentiation and the dynamic nature of early plant evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worden, Alexandra Z -- Lee, Jae-Hyeok -- Mock, Thomas -- Rouze, Pierre -- Simmons, Melinda P -- Aerts, Andrea L -- Allen, Andrew E -- Cuvelier, Marie L -- Derelle, Evelyne -- Everett, Meredith V -- Foulon, Elodie -- Grimwood, Jane -- Gundlach, Heidrun -- Henrissat, Bernard -- Napoli, Carolyn -- McDonald, Sarah M -- Parker, Micaela S -- Rombauts, Stephane -- Salamov, Aasf -- Von Dassow, Peter -- Badger, Jonathan H -- Coutinho, Pedro M -- Demir, Elif -- Dubchak, Inna -- Gentemann, Chelle -- Eikrem, Wenche -- Gready, Jill E -- John, Uwe -- Lanier, William -- Lindquist, Erika A -- Lucas, Susan -- Mayer, Klaus F X -- Moreau, Herve -- Not, Fabrice -- Otillar, Robert -- Panaud, Olivier -- Pangilinan, Jasmyn -- Paulsen, Ian -- Piegu, Benoit -- Poliakov, Aaron -- Robbens, Steven -- Schmutz, Jeremy -- Toulza, Eve -- Wyss, Tania -- Zelensky, Alexander -- Zhou, Kemin -- Armbrust, E Virginia -- Bhattacharya, Debashish -- Goodenough, Ursula W -- Van de Peer, Yves -- Grigoriev, Igor V -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):268-72. doi: 10.1126/science.1167222.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Monterey Bay Aquarium Research Institute, Moss Landing, CA 95039 USA. azworden@mbari.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359590" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; *Biological Evolution ; Chlorophyta/classification/cytology/*genetics/physiology ; DNA Transposable Elements ; Ecosystem ; Gene Expression Regulation ; Genes ; Genetic Variation ; *Genome ; Introns ; Meiosis/genetics ; Molecular Sequence Data ; Oceans and Seas ; Photosynthesis/genetics ; Phylogeny ; Phytoplankton/classification/genetics ; Plants/*genetics ; RNA, Untranslated ; Repetitive Sequences, Nucleic Acid ; Sequence Analysis, DNA ; Transcription Factors/genetics
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  • 26
    Publication Date: 2009-08-01
    Description: After a long history of overexploitation, increasing efforts to restore marine ecosystems and rebuild fisheries are under way. Here, we analyze current trends from a fisheries and conservation perspective. In 5 of 10 well-studied ecosystems, the average exploitation rate has recently declined and is now at or below the rate predicted to achieve maximum sustainable yield for seven systems. Yet 63% of assessed fish stocks worldwide still require rebuilding, and even lower exploitation rates are needed to reverse the collapse of vulnerable species. Combined fisheries and conservation objectives can be achieved by merging diverse management actions, including catch restrictions, gear modification, and closed areas, depending on local context. Impacts of international fleets and the lack of alternatives to fishing complicate prospects for rebuilding fisheries in many poorer regions, highlighting the need for a global perspective on rebuilding marine resources.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worm, Boris -- Hilborn, Ray -- Baum, Julia K -- Branch, Trevor A -- Collie, Jeremy S -- Costello, Christopher -- Fogarty, Michael J -- Fulton, Elizabeth A -- Hutchings, Jeffrey A -- Jennings, Simon -- Jensen, Olaf P -- Lotze, Heike K -- Mace, Pamela M -- McClanahan, Tim R -- Minto, Coilin -- Palumbi, Stephen R -- Parma, Ana M -- Ricard, Daniel -- Rosenberg, Andrew A -- Watson, Reg -- Zeller, Dirk -- New York, N.Y. -- Science. 2009 Jul 31;325(5940):578-85. doi: 10.1126/science.1173146.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biology Department, Dalhousie University, Halifax, NS B3H 4J1, Canada. bworm@dal.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19644114" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; Biomass ; *Conservation of Natural Resources ; *Ecosystem ; *Fisheries/methods ; *Fishes/anatomy & histology ; Internationality ; Marine Biology ; Models, Biological ; Oceans and Seas ; Population Dynamics
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevenson, P A -- New York, N.Y. -- Science. 2009 Jan 30;323(5914):594-5. doi: 10.1126/science.1169280.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Biology II, Faculty for Biosciences, Psychology and Pharmacology, Leipzig University, Talstrasse 33, 04103 Leipzig, Germany. stevenson@rz.unileipzig.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19179520" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Migration ; Animals ; *Behavior, Animal ; Crowding ; *Flight, Animal ; Grasshoppers/anatomy & histology/*physiology ; Models, Biological ; Nervous System Physiological Phenomena ; Population Density ; Serotonin/*physiology ; Social Behavior
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  • 28
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stewart, Murray -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1195-6. doi: 10.1126/science.1183273.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, UK. ms@mrc-lmb.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965455" target="_blank"〉PubMed〈/a〉
    Keywords: Active Transport, Cell Nucleus ; Cell Nucleus/*metabolism ; Cytoplasm/metabolism ; Karyopherins/chemistry/metabolism ; MicroRNAs/chemistry/*metabolism ; Models, Biological ; Nuclear Pore/metabolism ; Nucleic Acid Conformation ; RNA Processing, Post-Transcriptional ; RNA, Small Nuclear/chemistry/*metabolism ; RNA, Transfer/chemistry/*metabolism ; Receptors, Cytoplasmic and Nuclear/chemistry/metabolism ; ran GTP-Binding Protein/metabolism
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  • 29
    Publication Date: 2009-11-07
    Description: The head and mouthpart structures of 11 species of Eurasian scorpionflies represent three extinct and closely related families during a 62-million-year interval from the late Middle Jurassic to the late Early Cretaceous. These taxa had elongate, siphonate (tubular) proboscides and fed on ovular secretions of extinct gymnosperms. Five potential ovulate host-plant taxa co-occur with these insects: a seed fern, conifer, ginkgoopsid, pentoxylalean, and gnetalean. The presence of scorpionfly taxa suggests that siphonate proboscides fed on gymnosperm pollination drops and likely engaged in pollination mutualisms with gymnosperms during the mid-Mesozoic, long before the similar and independent coevolution of nectar-feeding flies, moths, and beetles on angiosperms. All three scorpionfly families became extinct during the later Early Cretaceous, coincident with global gymnosperm-to-angiosperm turnover.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2944650/" 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/PMC2944650/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ren, Dong -- Labandeira, Conrad C -- Santiago-Blay, Jorge A -- Rasnitsyn, Alexandr -- Shih, ChungKun -- Bashkuev, Alexei -- Logan, M Amelia V -- Hotton, Carol L -- Dilcher, David -- Z99 LM999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2009 Nov 6;326(5954):840-7. doi: 10.1126/science.1178338.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Life Sciences, Capital Normal University, Beijing 100048, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19892981" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Asia ; *Biological Evolution ; Extinction, Biological ; Feeding Behavior ; *Fossils ; Gymnosperms/anatomy & histology/classification/*physiology ; Head/anatomy & histology ; Insects/*anatomy & histology/chemistry/classification/*physiology ; Mouth/anatomy & histology ; *Pollination
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-02-07
    Description: Biologists have long been fascinated by the exceptionally high diversity displayed by some evolutionary groups. Adaptive radiation in such clades is not only spectacular, but is also an extremely complex process influenced by a variety of ecological, genetic, and developmental factors and strongly dependent on historical contingencies. Using modeling approaches, we identify 10 general patterns concerning the temporal, spatial, and genetic/morphological properties of adaptive radiation. Some of these are strongly supported by empirical work, whereas for others, empirical support is more tentative. In almost all cases, more data are needed. Future progress in our understanding of adaptive radiation will be most successful if theoretical and empirical approaches are integrated, as has happened in other areas of evolutionary biology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gavrilets, Sergey -- Losos, Jonathan B -- GM56693/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):732-7. doi: 10.1126/science.1157966.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, National Institute for Mathematical and Biological Synthesis, University of Tennessee, Knoxville, TN 37996, USA. sergey@tiem.utk.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197052" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Biodiversity ; *Biological Evolution ; Ecosystem ; Fossils ; *Genetic Speciation ; Genetic Variation ; Models, Biological ; Phylogeny ; Selection, Genetic
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-08
    Description: The extracellular matrix (ECM) and ECM proteins are important in phenomena as diverse as developmental patterning, stem cell niches, cancer, and genetic diseases. The ECM has many effects beyond providing structural support. ECM proteins typically include multiple, independently folded domains whose sequences and arrangement are highly conserved. Some of these domains bind adhesion receptors such as integrins that mediate cell-matrix adhesion and also transduce signals into cells. However, ECM proteins also bind soluble growth factors and regulate their distribution, activation, and presentation to cells. As organized, solid-phase ligands, ECM proteins can integrate complex, multivalent signals to cells in a spatially patterned and regulated fashion. These properties need to be incorporated into considerations of the functions of the ECM.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3536535/" 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/PMC3536535/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hynes, Richard O -- P01 HL066105/HL/NHLBI NIH HHS/ -- R01 CA017007/CA/NCI NIH HHS/ -- U54 CA126515/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1216-9. doi: 10.1126/science.1176009.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. rohynes@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965464" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Adhesion ; *Cell Physiological Processes ; Extracellular Matrix/*physiology ; Extracellular Matrix Proteins/chemistry/*metabolism ; Humans ; Intercellular Signaling Peptides and Proteins/metabolism ; Models, Biological ; Protein Binding ; Protein Interaction Domains and Motifs ; Protein Structure, Tertiary ; Signal Transduction ; Transforming Growth Factor beta/metabolism
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  • 32
    Publication Date: 2009-04-25
    Description: Determining proper responsiveness to incoming signals is fundamental to all biological systems. We demonstrate that intracellular signaling nodes can tune a signaling network's response threshold away from the basal median effective concentration established by ligand-receptor interactions. Focusing on the bistable kinase network that governs progesterone-induced meiotic entry in Xenopus oocytes, we characterized glycogen synthase kinase-3beta (GSK-3beta) as a dampener of progesterone responsiveness. GSK-3beta engages the meiotic kinase network through a double-negative feedback loop; this specific feedback architecture raises the progesterone threshold in correspondence with the strength of double-negative signaling. We also identified a marker of nutritional status, l-leucine, which lowers the progesterone threshold, indicating that oocytes integrate additional signals into their cell-fate decisions by modulating progesterone responsiveness.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2880456/" 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/PMC2880456/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Justman, Quincey A -- Serber, Zach -- Ferrell, James E Jr -- El-Samad, Hana -- Shokat, Kevan M -- AI49006/AI/NIAID NIH HHS/ -- GM46383/GM/NIGMS NIH HHS/ -- R01 AI044009/AI/NIAID NIH HHS/ -- R01 AI044009-10/AI/NIAID NIH HHS/ -- R01 GM046383/GM/NIGMS NIH HHS/ -- R01 GM046383-19/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Apr 24;324(5926):509-12. doi: 10.1126/science.1169498.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate Group in Biophysics, University of California, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19390045" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Enzyme Activation ; Feedback, Physiological ; Glycogen Synthase Kinase 3/*metabolism ; Leucine/metabolism ; *MAP Kinase Signaling System/physiology ; Meiosis/physiology ; Mitogen-Activated Protein Kinases/metabolism ; Models, Biological ; Oocytes/*cytology/*metabolism ; Oogenesis/*physiology ; Phosphorylation ; Progesterone/*physiology ; Xenopus
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  • 33
    Publication Date: 2009-12-08
    Description: Environmental perturbations during mass extinctions were likely manifested differently in epicontinental seas than in open-ocean-facing habitats of comparable depth. Here, we present a dissection of origination and extinction in epicontinental seas versus open-ocean-facing coastal regions in the Permian through Cretaceous periods, an interval through which both settings are well represented in the fossil record. Results demonstrate that extinction rates were significantly higher in open-ocean settings than in epicontinental seas during major mass extinctions but not at other times and that origination rates were significantly higher in open-ocean settings for a protracted interval from the Late Jurassic through the Late Cretaceous. These patterns are manifested even when other paleogeographic and environmental variables are held fixed, indicating that epicontinental seas and open-ocean-facing coastlines carry distinct macroevolutionary signatures.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Arnold I -- Foote, Michael -- New York, N.Y. -- Science. 2009 Nov 20;326(5956):1106-9. doi: 10.1126/science.1180061.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geology, University of Cincinnati, Post Office Box 210013, Cincinnati, OH 45221, USA. arnold.miller@uc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965428" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bivalvia ; *Ecosystem ; Environment ; *Extinction, Biological ; Geologic Sediments ; Geological Phenomena ; Kinetics ; Oceans and Seas
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  • 34
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Friedman, William E -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1652-3. doi: 10.1126/science.1176526.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO 80309, USA. ned@colorado.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19556491" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/*cytology/*metabolism ; *Biological Evolution ; Cell Nucleus/ultrastructure ; Cell Nucleus Division ; Flowers/*cytology/metabolism ; Germ Cells/*cytology/metabolism ; Indoleacetic Acids/*metabolism
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  • 35
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugden, Andrew -- Ash, Caroline -- Hanson, Brooks -- Zahn, Laura -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):727. doi: 10.1126/science.323.5915.727.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197050" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; Evolution, Molecular ; *Genetic Speciation
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  • 36
    Publication Date: 2009-09-19
    Description: Metabolic pathways have traditionally been described in terms of biochemical reactions and metabolites. With the use of structural genomics and systems biology, we generated a three-dimensional reconstruction of the central metabolic network of the bacterium Thermotoga maritima. The network encompassed 478 proteins, of which 120 were determined by experiment and 358 were modeled. Structural analysis revealed that proteins forming the network are dominated by a small number (only 182) of basic shapes (folds) performing diverse but mostly related functions. Most of these folds are already present in the essential core (approximately 30%) of the network, and its expansion by nonessential proteins is achieved with relatively few additional folds. Thus, integration of structural data with networks analysis generates insight into the function, mechanism, and evolution of biological networks.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2833182/" 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/PMC2833182/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Ying -- Thiele, Ines -- Weekes, Dana -- Li, Zhanwen -- Jaroszewski, Lukasz -- Ginalski, Krzysztof -- Deacon, Ashley M -- Wooley, John -- Lesley, Scott A -- Wilson, Ian A -- Palsson, Bernhard -- Osterman, Andrei -- Godzik, Adam -- P20 GM076221/GM/NIGMS NIH HHS/ -- P20 GM076221-03/GM/NIGMS NIH HHS/ -- U54 GM074898/GM/NIGMS NIH HHS/ -- U54 GM074898-05/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 18;325(5947):1544-9. doi: 10.1126/science.1174671.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Joint Center for Molecular Modeling (JCMM), Burnham Institute for Medical Research, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19762644" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/*chemistry/*metabolism ; Computational Biology ; Computer Simulation ; Enzymes/*chemistry/*metabolism ; Evolution, Molecular ; Genes, Bacterial ; Genome, Bacterial ; *Metabolic Networks and Pathways ; Models, Biological ; Models, Molecular ; Protein Conformation ; Protein Folding ; Protein Structure, Tertiary ; Systems Biology ; Thermotoga maritima/chemistry/genetics/*metabolism
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  • 37
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-01-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugden, Andrew -- Hanson, Brooks -- Pennisi, Elizabeth -- Culotta, Elizabeth -- New York, N.Y. -- Science. 2009 Jan 9;323(5911):185. doi: 10.1126/science.1169716.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131596" target="_blank"〉PubMed〈/a〉
    Keywords: *Anniversaries and Special Events ; *Biological Evolution ; Great Britain ; History, 19th Century ; History, 20th Century
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  • 38
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2009 Dec 18;326(5960):1598-9. doi: 10.1126/science.326.5960.1598-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019252" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bone and Bones/anatomy & histology ; Ethiopia ; Female ; *Fossils ; Geography ; *Hominidae/anatomy & histology/classification/physiology ; Humans ; Locomotion ; Posture ; Skeleton ; Walking
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  • 39
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rieppel, Olivier -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):154-5. doi: 10.1126/science.1177446.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rowe Family Curator of Evolutionary Biology, Department of Geology, Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605-2496, USA. orieppel@fieldmuseum.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19589988" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Patterning ; Bone and Bones/embryology ; Embryo, Nonmammalian/anatomy & histology ; Embryonic Development ; Muscle, Skeletal/embryology ; Musculoskeletal Development ; Ribs/embryology ; Scapula/embryology ; Turtles/*anatomy & histology/*embryology
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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1334-6. doi: 10.1126/science.326.5958.1334.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965730" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Biological Evolution ; Climate Change ; Cultural Evolution ; Ecosystem ; Evolution, Planetary ; Extinction, Biological ; Genetic Engineering ; *Genome, Human ; Human Activities ; Humans ; Mutation ; *Selection, Genetic
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  • 41
    Publication Date: 2009-12-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2009 Dec 11;326(5959):1478-9. doi: 10.1126/science.326.5959.1478.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007881" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; *Biological Evolution ; Diabetes Mellitus/epidemiology/etiology ; *Diet/history ; Dietary Carbohydrates ; Energy Intake ; Ethnic Groups ; Fossils ; History, Ancient ; Hominidae ; Humans ; Hypertension/epidemiology/etiology ; Meat ; Obesity/epidemiology/etiology
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  • 42
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2009 Aug 7;325(5941):666-8. doi: 10.1126/science.325_666.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661396" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Archaea/classification/genetics/physiology ; *Bacteria/classification/genetics ; Bacterial Physiological Phenomena ; *Biological Evolution ; Cell Nucleus/genetics/metabolism ; *Eukaryotic Cells/cytology/metabolism/physiology ; Gene Transfer, Horizontal ; Genes, Archaeal ; Genes, Bacterial ; Genes, Mitochondrial ; *Genome ; Mitochondria/physiology ; Organelles/physiology ; *Prokaryotic Cells/cytology/metabolism/physiology ; Symbiosis
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  • 43
    Publication Date: 2009-01-20
    Description: Successful cell division requires that chromosomes attach to opposite poles of the mitotic spindle (bi-orientation). Aurora B kinase regulates chromosome-spindle attachments by phosphorylating kinetochore substrates that bind microtubules. Centromere tension stabilizes bi-oriented attachments, but how physical forces are translated into signaling at individual centromeres is unknown. Using fluorescence resonance energy transfer-based biosensors to measure localized phosphorylation dynamics in living cells, we found that phosphorylation of an Aurora B substrate at the kinetochore depended on its distance from the kinase at the inner centromere. Furthermore, repositioning Aurora B closer to the kinetochore prevented stabilization of bi-oriented attachments and activated the spindle checkpoint. Thus, centromere tension can be sensed by increased spatial separation of Aurora B from kinetochore substrates, which reduces phosphorylation and stabilizes kinetochore microtubules.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2713345/" 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/PMC2713345/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Dan -- Vader, Gerben -- Vromans, Martijn J M -- Lampson, Michael A -- Lens, Susanne M A -- GM083988/GM/NIGMS NIH HHS/ -- R01 GM083988/GM/NIGMS NIH HHS/ -- R01 GM083988-01/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 6;323(5919):1350-3. doi: 10.1126/science.1167000. Epub 2009 Jan 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19150808" target="_blank"〉PubMed〈/a〉
    Keywords: Aurora Kinase B ; Aurora Kinases ; Autoantigens/metabolism ; Biosensing Techniques ; Cell Line, Tumor ; Centromere/enzymology/*metabolism ; Chromatids/metabolism ; Chromosomal Proteins, Non-Histone/metabolism ; Chromosomes, Human/*metabolism ; Fluorescence Resonance Energy Transfer ; HeLa Cells ; Humans ; Kinetochores/*metabolism ; Microtubules/*metabolism ; Mitosis ; Models, Biological ; Phosphorylation ; Protein-Serine-Threonine Kinases/*metabolism ; Recombinant Fusion Proteins/metabolism ; Spindle Apparatus/*metabolism
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  • 44
    Publication Date: 2009-07-11
    Description: John Nash showed that within a complex system, individuals are best off if they make the best decision that they can, taking into account the decisions of the other individuals. Here, we investigate whether similar principles influence the evolution of signaling networks in multicellular animals. Specifically, by analyzing a set of metazoan species we observed a striking negative correlation of genomically encoded tyrosine content with biological complexity (as measured by the number of cell types in each organism). We discuss how this observed tyrosine loss correlates with the expansion of tyrosine kinases in the evolution of the metazoan lineage and how it may relate to the optimization of signaling systems in multicellular animals. We propose that this phenomenon illustrates genome-wide adaptive evolution to accommodate beneficial genetic perturbation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3066034/" 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/PMC3066034/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tan, Chris Soon Heng -- Pasculescu, Adrian -- Lim, Wendell A -- Pawson, Tony -- Bader, Gary D -- Linding, Rune -- R01 GM055040/GM/NIGMS NIH HHS/ -- R01 GM055040-11/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Sep 25;325(5948):1686-8. doi: 10.1126/science.1174301. Epub 2009 Jul 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto M5G 1X5, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19589966" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animals ; *Biological Evolution ; *Evolution, Molecular ; Fungal Proteins/chemistry/metabolism ; Glycosylation ; Humans ; Methylation ; Mutation ; Phosphorylation ; Phosphotyrosine/metabolism ; Protein Structure, Tertiary ; Protein-Tyrosine Kinases/*metabolism ; Proteins/*chemistry/*metabolism ; *Selection, Genetic ; *Signal Transduction ; Substrate Specificity ; Tyrosine/*metabolism
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  • 45
    Publication Date: 2009-07-11
    Description: The turtle shell offers a fascinating case study of vertebrate evolution, based on the modification of a common body plan. The carapace is formed from ribs, which encapsulate the scapula; this stands in contrast to the typical amniote body plan and serves as a key to understanding turtle evolution. Comparative analyses of musculoskeletal development between the Chinese soft-shelled turtle and other amniotes revealed that initial turtle development conforms to the amniote pattern; however, during embryogenesis, lateral rib growth results in a shift of elements. In addition, some limb muscles establish new turtle-specific attachments associated with carapace formation. We propose that the evolutionary origin of the turtle body plan results from heterotopy based on folding and novel connectivities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nagashima, Hiroshi -- Sugahara, Fumiaki -- Takechi, Masaki -- Ericsson, Rolf -- Kawashima-Ohya, Yoshie -- Narita, Yuichi -- Kuratani, Shigeru -- New York, N.Y. -- Science. 2009 Jul 10;325(5937):193-6. doi: 10.1126/science.1173826.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Evolutionary Morphology, RIKEN Center for Developmental Biology, 2-2-3 Minatojima-minami, Kobe 650-0047, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19590000" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Patterning ; Chick Embryo ; Embryo, Nonmammalian/anatomy & histology ; Embryonic Development ; Mice ; Muscle Development ; Muscle, Skeletal/anatomy & histology/*embryology ; Musculoskeletal Development ; Ribs/anatomy & histology/*embryology ; Scapula/anatomy & histology/*embryology ; Turtles/*anatomy & histology/*embryology
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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-06-27
    Description: The investigation and study of cancer stem cells (CSCs) have received enormous attention over the past 5 to 10 years but remain topics of considerable controversy. Opinions about the validity of the CSC hypothesis, the biological properties of CSCs, and the relevance of CSCs to cancer therapy differ widely. In the following commentary, we discuss the nature of the debate, the parameters by which CSCs can or cannot be defined, and the identification of new potential therapeutic targets elucidated by considering cancer as a problem in stem cell biology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2873047/" 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/PMC2873047/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, Jeffrey M -- Jordan, Craig T -- R01 CA122206/CA/NCI NIH HHS/ -- R01 CA122206-02/CA/NCI NIH HHS/ -- R01-CA122206/CA/NCI NIH HHS/ -- R37 CA016303/CA/NCI NIH HHS/ -- R37 CA016303-36/CA/NCI NIH HHS/ -- R37-CA16303/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1670-3. doi: 10.1126/science.1171837.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19556499" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; Mice ; Models, Biological ; Neoplasm Transplantation ; Neoplasms/genetics/metabolism/*pathology/therapy ; Neoplastic Stem Cells/cytology/*physiology ; Transcription, Genetic
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  • 47
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-09-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, Mark O -- New York, N.Y. -- Science. 2009 Sep 25;325(5948):1635-6. doi: 10.1126/science.1180331.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Proteomic Mass Spectrometry Group, Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, UK. moc@sanger.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19779182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; *Biological Evolution ; CDC2 Protein Kinase/antagonists & inhibitors/metabolism ; *Evolution, Molecular ; Fungi/metabolism ; Phosphorylation ; Protein Binding ; Protein Folding ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/metabolism ; Protein-Tyrosine Kinases/metabolism ; Proteins/*chemistry/*metabolism ; Serine/metabolism ; *Signal Transduction ; Threonine/metabolism ; Tyrosine/metabolism
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  • 48
    Publication Date: 2009-02-07
    Description: Male animals of many species deploy conditional reproductive strategies that contain distinct alternative phenotypes. Such facultatively expressed male tactics are assumed to be due to a single developmental threshold mechanism switching between the expression of two alternative phenotypes. However, we discovered a clade of dung beetles that commonly expresses two threshold mechanisms, resulting in three alternative phenotypes (male trimorphism). Once recognized, we found trimorphism in other beetle families that involves different types of male weapons. Evidence that insects assumed to be dimorphic can express three facultative male forms suggests that we need to adjust how we think about animal mating systems and the evolution of conditional strategies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rowland, J Mark -- Emlen, Douglas J -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):773-6. doi: 10.1126/science.1167345.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of New Mexico, Albuquerque, NM 87131, USA. rowland@unm.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197062" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beetles/*anatomy & histology/classification/genetics/physiology ; Behavior, Animal ; *Biological Evolution ; Body Size ; Female ; Genetic Speciation ; Male ; Phenotype ; Phylogeny ; Reproduction ; Sexual Behavior, Animal
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  • 49
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mank, Judith E -- New York, N.Y. -- Science. 2009 Dec 18;326(5960):1639-40. doi: 10.1126/science.1184680.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Oxford, Edward Grey Institute, Oxford OX1 3PS, UK. judith.mank@zoo.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019275" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Biological Evolution ; Ecosystem ; Female ; Fishes/anatomy & histology/genetics ; Gene Flow ; *Genetic Speciation ; Geography ; Male ; *Mating Preference, Animal ; *Models, Biological ; Selection, Genetic
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  • 50
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-04-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tobalske, Bret W -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):190-1. doi: 10.1126/science.1172839.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Field Research Station at Fort Missoula, Division of Biological Sciences, University of Montana, Missoula, MT 59812, USA. bret.tobalske@mso.umt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359571" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomechanical Phenomena ; Birds/anatomy & histology/*physiology ; Body Size ; Chiroptera/anatomy & histology/*physiology ; Flight, Animal/*physiology ; Insects/anatomy & histology/*physiology ; Models, Biological ; Motion ; Movement ; Nervous System Physiological Phenomena ; Rotation ; Torque ; Wings, Animal/anatomy & histology/*physiology
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  • 51
    Publication Date: 2009-10-08
    Description: The femur and pelvis of Ardipithecus ramidus have characters indicative of both upright bipedal walking and movement in trees. Consequently, bipedality in Ar. ramidus was more primitive than in later Australopithecus. Compared with monkeys and Early Miocene apes such as Proconsul, the ilium in Ar. ramidus is mediolaterally expanded, and its sacroiliac joint is located more posteriorly. These changes are shared with some Middle and Late Miocene apes as well as with African apes and later hominids. However, in contrast to extant apes, bipedality in Ar. ramidus was facilitated by craniocaudal shortening of the ilium and enhanced lordotic recurvature of the lower spine. Given the predominant absence of derived traits in other skeletal regions of Ar. ramidus, including the forelimb, these adaptations were probably acquired shortly after divergence from our last common ancestor with chimpanzees. They therefore bear little or no functional relationship to the highly derived suspension, vertical climbing, knuckle-walking, and facultative bipedality of extant African apes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lovejoy, C Owen -- Suwa, Gen -- Spurlock, Linda -- Asfaw, Berhane -- White, Tim D -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):71e1-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, School of Biomedical Sciences, Kent State University, Kent, OH 44242-0001, USA. olovejoy@aol.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19810197" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Ethiopia ; Femur/*anatomy & histology ; *Fossils ; Hominidae/*anatomy & histology/*physiology ; Ilium/anatomy & histology ; Ischium/anatomy & histology ; Locomotion ; Pelvic Bones/*anatomy & histology ; Pelvis/anatomy & histology ; Posture ; Pubic Bone/anatomy & histology ; Ribs/anatomy & histology ; Spine/anatomy & histology ; Thorax/anatomy & histology ; *Walking
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  • 52
    Publication Date: 2009-12-08
    Description: The thiol group of the amino acid cysteine can be modified to regulate protein activity. The Escherichia coli periplasm is an oxidizing environment in which most cysteine residues are involved in disulfide bonds. However, many periplasmic proteins contain single cysteine residues, which are vulnerable to oxidation to sulfenic acids and then irreversibly modified to sulfinic and sulfonic acids. We discovered that DsbG and DsbC, two thioredoxin-related proteins, control the global sulfenic acid content of the periplasm and protect single cysteine residues from oxidation. DsbG interacts with the YbiS protein and, along with DsbC, regulates oxidation of its catalytic cysteine residue. Thus, a potentially widespread mechanism controls sulfenic acid modification in the cellular environment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Depuydt, Matthieu -- Leonard, Stephen E -- Vertommen, Didier -- Denoncin, Katleen -- Morsomme, Pierre -- Wahni, Khadija -- Messens, Joris -- Carroll, Kate S -- Collet, Jean-Francois -- New York, N.Y. -- Science. 2009 Nov 20;326(5956):1109-11. doi: 10.1126/science.1179557.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉de Duve Institute, Universite catholique de Louvain, B-1200 Brussels, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965429" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Catalytic Domain ; Cysteine/chemistry/*metabolism ; Disulfides/chemistry/metabolism ; Escherichia coli/genetics/*metabolism ; Escherichia coli Proteins/chemistry/genetics/*metabolism ; Models, Biological ; Molecular Sequence Data ; Oxidation-Reduction ; Oxidoreductases/chemistry/genetics/*metabolism ; Periplasm/*metabolism ; Periplasmic Proteins/chemistry/genetics/*metabolism ; Protein Binding ; Protein Disulfide-Isomerases/chemistry/genetics/*metabolism ; Proteomics ; Substrate Specificity ; Sulfenic Acids/metabolism
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  • 53
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 2009 Dec 18;326(5960):1598. doi: 10.1126/science.326.5960.1598-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019251" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bone and Bones/anatomy & histology ; Female ; *Fossils ; *Hominidae/anatomy & histology/physiology ; Locomotion ; Pan troglodytes/anatomy & histology
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  • 54
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-05-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Travis, John -- New York, N.Y. -- Science. 2009 May 1;324(5927):580-2. doi: 10.1126/science.324_580.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19407173" target="_blank"〉PubMed〈/a〉
    Keywords: Allergy and Immunology/history ; Animals ; Antibody Formation ; *Biological Evolution ; DNA Transposable Elements ; Genes, RAG-1 ; History, 19th Century ; History, 20th Century ; History, 21st Century ; Humans ; *Immune System/physiology ; *Immunity ; *Immunity, Innate ; Recombination, Genetic ; Selection, Genetic
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  • 55
    Publication Date: 2009-03-21
    Description: As the largest predators of the Cambrian seas, the anomalocaridids had an important impact in structuring the first complex marine animal communities, but many aspects of anomalocaridid morphology, diversity, ecology, and affinity remain unclear owing to a paucity of specimens. Here we describe the anomalocaridid Hurdia, based on several hundred specimens from the Burgess Shale in Canada. Hurdia possesses a general body architecture similar to those of Anomalocaris and Laggania, including the presence of exceptionally well-preserved gills, but differs from those anomalocaridids by possessing a prominent anterior carapace structure. These features amplify and clarify the diversity of known anomalocaridid morphology and provide insight into the origins of important arthropod features, such as the head shield and respiratory exites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Daley, Allison C -- Budd, Graham E -- Caron, Jean-Bernard -- Edgecombe, Gregory D -- Collins, Desmond -- New York, N.Y. -- Science. 2009 Mar 20;323(5921):1597-600. doi: 10.1126/science.1169514.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, Palaeobiology, Uppsala University, Villavagen 16, Uppsala SE-752 36, Sweden. allison.daley@geo.uu.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19299617" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arthropods/*anatomy & histology/classification ; *Biological Evolution ; Canada ; Extremities/anatomy & histology ; *Fossils ; Geologic Sediments ; Invertebrates/*anatomy & histology/classification ; Mouth/anatomy & histology
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  • 56
    Publication Date: 2009-01-24
    Description: Regeneration of injured neurons can restore function, but most neurons regenerate poorly or not at all. The failure to regenerate in some cases is due to a lack of activation of cell-intrinsic regeneration pathways. These pathways might be targeted for the development of therapies that can restore neuron function after injury or disease. Here, we show that the DLK-1 mitogen-activated protein (MAP) kinase pathway is essential for regeneration in Caenorhabditis elegans motor neurons. Loss of this pathway eliminates regeneration, whereas activating it improves regeneration. Further, these proteins also regulate the later step of growth cone migration. We conclude that after axon injury, activation of this MAP kinase cascade is required to switch the mature neuron from an aplastic state to a state capable of growth.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2729122/" 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/PMC2729122/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hammarlund, Marc -- Nix, Paola -- Hauth, Linda -- Jorgensen, Erik M -- Bastiani, Michael -- 1R21NS060275/NS/NINDS NIH HHS/ -- NS034307/NS/NINDS NIH HHS/ -- R21 NS060275-02/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):802-6. doi: 10.1126/science.1165527. Epub 2009 Jan 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Utah, 257 South 1400 East, Salt Lake City, UT 84112-0840, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19164707" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Axons/*physiology/ultrastructure ; Axotomy ; Caenorhabditis elegans/genetics/*physiology ; Caenorhabditis elegans Proteins/genetics/*metabolism ; Growth Cones/physiology ; MAP Kinase Kinase 4/genetics/metabolism ; MAP Kinase Kinase Kinases/genetics/*metabolism ; *MAP Kinase Signaling System ; Mitogen-Activated Protein Kinases/genetics/metabolism ; Models, Biological ; Motor Neurons/*physiology ; Mutation ; Nerve Regeneration/physiology ; RNA Interference ; gamma-Aminobutyric Acid/metabolism
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  • 57
    Publication Date: 2009-11-26
    Description: Expression of the Escherichia coli tryptophanase operon depends on ribosome stalling during translation of the upstream TnaC leader peptide, a process for which interactions between the TnaC nascent chain and the ribosomal exit tunnel are critical. We determined a 5.8 angstrom-resolution cryo-electron microscopy and single-particle reconstruction of a ribosome stalled during translation of the tnaC leader gene. The nascent chain was extended within the exit tunnel, making contacts with ribosomal components at distinct sites. Upon stalling, two conserved residues within the peptidyltransferase center adopted conformations that preclude binding of release factors. We propose a model whereby interactions within the tunnel are relayed to the peptidyltransferase center to inhibit translation. Moreover, we show that nascent chains adopt distinct conformations within the ribosomal exit tunnel.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2920484/" 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/PMC2920484/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seidelt, Birgit -- Innis, C Axel -- Wilson, Daniel N -- Gartmann, Marco -- Armache, Jean-Paul -- Villa, Elizabeth -- Trabuco, Leonardo G -- Becker, Thomas -- Mielke, Thorsten -- Schulten, Klaus -- Steitz, Thomas A -- Beckmann, Roland -- GM022778/GM/NIGMS NIH HHS/ -- P41 RR005969/RR/NCRR NIH HHS/ -- P41 RR005969-19/RR/NCRR NIH HHS/ -- P41-RR05969/RR/NCRR NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1412-5. doi: 10.1126/science.1177662. Epub 2009 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gene Center and Center for Integrated Protein Science Munich (CIPSM), Department for Chemistry and Biochemistry, University of Munich, Feodor-Lynen-Strasse 25, 81377 Munich, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19933110" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Cryoelectron Microscopy ; Escherichia coli/*genetics/metabolism ; Escherichia coli Proteins/*chemistry/genetics/*metabolism/ultrastructure ; Gene Expression Regulation, Bacterial ; Image Processing, Computer-Assisted ; Models, Biological ; Models, Molecular ; Operon ; Peptidyl Transferases/metabolism ; *Protein Biosynthesis ; Protein Conformation ; RNA-Binding Proteins/chemistry/metabolism/ultrastructure ; Ribosomal Proteins/chemistry/metabolism/ultrastructure ; Ribosomes/*metabolism/ultrastructure ; Tryptophanase/biosynthesis/*genetics
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  • 58
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-10-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, Thomas -- Ruf, Irina -- New York, N.Y. -- Science. 2009 Oct 9;326(5950):243-4. doi: 10.1126/science.1181131.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Steinmann-Institut fur Geologie, Mineralogie und Palaontologie, Universitat Bonn, Nussallee 8, 53115 Bonn, Germany. tmartin@uni-bonn.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19815765" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Ear Ossicles/anatomy & histology/embryology ; *Ear, Middle/anatomy & histology/embryology ; *Fossils ; *Mammals/anatomy & histology/classification/embryology ; Osteogenesis
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  • 59
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanson, Brooks -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):60-1. doi: 10.1126/science.326_60a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19797652" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Ecosystem ; *Fossils ; *Hominidae/anatomy & histology/genetics/physiology ; Humans ; Pan troglodytes/genetics
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  • 60
    Publication Date: 2009-12-19
    Description: Acute exposure to ionizing radiation can cause lethal damage to the gastrointestinal (GI) tract, a condition called the GI syndrome. Whether the target cells affected by radiation to cause the GI syndrome are derived from the epithelium or endothelium and whether the target cells die by apoptosis or other mechanisms are controversial issues. Studying mouse models, we found that selective deletion of the proapoptotic genes Bak1 and Bax from the GI epithelium or from endothelial cells did not protect mice from developing the GI syndrome after sub-total-body gamma irradiation. In contrast, selective deletion of p53 from the GI epithelium, but not from endothelial cells, sensitized irradiated mice to the GI syndrome. Transgenic mice overexpressing p53 in all tissues were protected from the GI syndrome after irradiation. These results suggest that the GI syndrome is caused by the death of GI epithelial cells and that these epithelial cells die by a mechanism that is regulated by p53 but independent of apoptosis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2897160/" 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/PMC2897160/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kirsch, David G -- Santiago, Philip M -- di Tomaso, Emmanuelle -- Sullivan, Julie M -- Hou, Wu-Shiun -- Dayton, Talya -- Jeffords, Laura B -- Sodha, Pooja -- Mercer, Kim L -- Cohen, Rhianna -- Takeuchi, Osamu -- Korsmeyer, Stanley J -- Bronson, Roderick T -- Kim, Carla F -- Haigis, Kevin M -- Jain, Rakesh K -- Jacks, Tyler -- K08 CA 114176/CA/NCI NIH HHS/ -- K08 CA114176/CA/NCI NIH HHS/ -- K08 CA114176-05/CA/NCI NIH HHS/ -- P01 CA080124/CA/NCI NIH HHS/ -- P01 CA080124-01A1/CA/NCI NIH HHS/ -- P01 CA80124/CA/NCI NIH HHS/ -- P30 CA014051/CA/NCI NIH HHS/ -- P30 CA014051-38/CA/NCI NIH HHS/ -- P30 DK043351/DK/NIDDK NIH HHS/ -- P30-CA14051/CA/NCI NIH HHS/ -- RC1 AI078521/AI/NIAID NIH HHS/ -- RC1 AI078521-01/AI/NIAID NIH HHS/ -- RC1-AI078521/AI/NIAID NIH HHS/ -- U19-AI06775/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Jan 29;327(5965):593-6. doi: 10.1126/science.1166202. Epub 2009 Dec 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019247" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Cell Death ; Epithelial Cells/cytology/physiology/radiation effects ; Gamma Rays/*adverse effects ; Gene Deletion ; Genes, p53 ; Intestinal Diseases/etiology/pathology/*physiopathology ; Intestinal Mucosa/pathology/physiopathology/*radiation effects ; Intestine, Small/pathology/physiopathology/*radiation effects ; Mesoderm/cytology ; Mice ; Mice, Transgenic ; Models, Biological ; Radiation Dosage ; Radiation Injuries/etiology/pathology/*physiopathology ; Tumor Suppressor Protein p53/*physiology ; bcl-2 Homologous Antagonist-Killer Protein/genetics/metabolism ; bcl-2-Associated X Protein/genetics/metabolism
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  • 61
    Publication Date: 2009-12-17
    Description: The molecular mechanisms underlying major phenotypic changes that have evolved repeatedly in nature are generally unknown. Pelvic loss in different natural populations of threespine stickleback fish has occurred through regulatory mutations deleting a tissue-specific enhancer of the Pituitary homeobox transcription factor 1 (Pitx1) gene. The high prevalence of deletion mutations at Pitx1 may be influenced by inherent structural features of the locus. Although Pitx1 null mutations are lethal in laboratory animals, Pitx1 regulatory mutations show molecular signatures of positive selection in pelvic-reduced populations. These studies illustrate how major expression and morphological changes can arise from single mutational leaps in natural populations, producing new adaptive alleles via recurrent regulatory alterations in a key developmental control gene.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3109066/" 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/PMC3109066/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, Yingguang Frank -- Marks, Melissa E -- Jones, Felicity C -- Villarreal, Guadalupe Jr -- Shapiro, Michael D -- Brady, Shannon D -- Southwick, Audrey M -- Absher, Devin M -- Grimwood, Jane -- Schmutz, Jeremy -- Myers, Richard M -- Petrov, Dmitri -- Jonsson, Bjarni -- Schluter, Dolph -- Bell, Michael A -- Kingsley, David M -- P50 HG002568/HG/NHGRI NIH HHS/ -- P50 HG002568-09/HG/NHGRI NIH HHS/ -- P50 HG02568/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2010 Jan 15;327(5963):302-5. doi: 10.1126/science.1182213. Epub 2009 Dec 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology and Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007865" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Biological Evolution ; Chromosome Fragile Sites ; Chromosome Mapping ; Crosses, Genetic ; DNA, Intergenic ; *Enhancer Elements, Genetic ; Fish Proteins/*genetics ; Molecular Sequence Data ; Mutation ; Paired Box Transcription Factors/*genetics ; Pelvis/anatomy & histology ; Selection, Genetic ; *Sequence Deletion ; Smegmamorpha/*anatomy & histology/*genetics/growth & development
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  • 62
    Publication Date: 2009-03-07
    Description: How environmental change affects species abundances depends on both the food web within which species interact and their potential to evolve. Using field experiments, we investigated both ecological and evolutionary responses of pea aphids (Acyrthosiphon pisum), a common agricultural pest, to increased frequency of episodic heat shocks. One predator species ameliorated the decrease in aphid population growth with increasing heat shocks, whereas a second predator did not, with this contrast caused by behavioral differences between predators. We also compared aphid strains with stably inherited differences in heat tolerance caused by bacterial endosymbionts and showed the potential for rapid evolution for heat-shock tolerance. Our results illustrate how ecological and evolutionary complexities should be incorporated into predictions of the consequences of environmental change for species' populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harmon, Jason P -- Moran, Nancy A -- Ives, Anthony R -- New York, N.Y. -- Science. 2009 Mar 6;323(5919):1347-50. doi: 10.1126/science.1167396.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology, University of Wisconsin, Madison, WI 53706, USA. jharmon@wisc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19265021" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aphids/genetics/microbiology/*physiology ; Beetles/*physiology ; Biological Evolution ; Buchnera/genetics/physiology ; *Ecosystem ; *Food Chain ; *Hot Temperature ; Models, Biological ; Population Density ; Population Dynamics ; Population Growth ; Predatory Behavior ; Symbiosis
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  • 63
    Publication Date: 2009-04-11
    Description: Flying animals exhibit remarkable capabilities for both generating maneuvers and stabilizing their course and orientation after perturbation. Here we show that flapping fliers ranging in size from fruit flies to large birds benefit from substantial damping of angular velocity through a passive mechanism termed flapping counter-torque (FCT). Our FCT model predicts that isometrically scaled animals experience similar damping on a per-wingbeat time scale, resulting in similar turning dynamics in wingbeat time regardless of body size. The model also shows how animals may simultaneously specialize in both maneuverability and stability (at the cost of efficiency) and provides a framework for linking morphology, wing kinematics, maneuverability, and flight dynamics across a wide range of flying animals spanning insects, bats, and birds.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hedrick, Tyson L -- Cheng, Bo -- Deng, Xinyan -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):252-5. doi: 10.1126/science.1168431.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA. thedrick@bio.unc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359586" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomechanical Phenomena ; Birds/anatomy & histology/*physiology ; Body Size ; Chiroptera/anatomy & histology/*physiology ; Flight, Animal ; Insects/anatomy & histology/*physiology ; Mathematical Concepts ; Models, Biological ; Motion ; Movement ; Nervous System Physiological Phenomena ; Rotation ; Torque ; Wings, Animal/anatomy & histology/*physiology
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  • 64
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alberts, Bruce -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):17. doi: 10.1126/science.1182387.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19797627" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Genes ; *Hominidae/genetics ; Humans
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  • 65
    Publication Date: 2009-02-07
    Description: Morphological diversity within closely related species is an essential aspect of evolution and adaptation. Mutations in the Melanocortin 1 receptor (Mc1r) gene contribute to pigmentary diversity in natural populations of fish, birds, and many mammals. However, melanism in the gray wolf, Canis lupus, is caused by a different melanocortin pathway component, the K locus, that encodes a beta-defensin protein that acts as an alternative ligand for Mc1r. We show that the melanistic K locus mutation in North American wolves derives from past hybridization with domestic dogs, has risen to high frequency in forested habitats, and exhibits a molecular signature of positive selection. The same mutation also causes melanism in the coyote, Canis latrans, and in Italian gray wolves, and hence our results demonstrate how traits selected in domesticated species can influence the morphological diversity of their wild relatives.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2903542/" 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/PMC2903542/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Tovi M -- vonHoldt, Bridgett M -- Candille, Sophie I -- Musiani, Marco -- Greco, Claudia -- Stahler, Daniel R -- Smith, Douglas W -- Padhukasahasram, Badri -- Randi, Ettore -- Leonard, Jennifer A -- Bustamante, Carlos D -- Ostrander, Elaine A -- Tang, Hua -- Wayne, Robert K -- Barsh, Gregory S -- P01 DK068384/DK/NIDDK NIH HHS/ -- P01 DK068384-050001/DK/NIDDK NIH HHS/ -- R01 GM068882/GM/NIGMS NIH HHS/ -- R01 GM068882-04/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 6;323(5919):1339-43. doi: 10.1126/science.1165448. Epub 2009 Feb 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Genetics and Pediatrics, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197024" target="_blank"〉PubMed〈/a〉
    Keywords: Agouti Signaling Protein/genetics ; Animals ; *Biological Evolution ; Coyotes/genetics ; Dogs/genetics ; *Ecosystem ; Gene Flow ; Hair Color/*genetics ; Haplotypes ; Linkage Disequilibrium ; Melanins/metabolism ; Molecular Sequence Data ; *Mutation ; Phenotype ; Phylogeny ; Pigmentation/*genetics ; Polymorphism, Single Nucleotide ; Receptor, Melanocortin, Type 1/genetics ; Selection, Genetic ; Sequence Deletion ; Wolves/*genetics ; beta-Defensins/*genetics
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-09-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merila, Juha -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1212-3. doi: 10.1126/science.1179326.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ecological Genetics Research Unit, Department of Biological and Environmental Sciences, Post Office Box 65, FI-00014 University of Helsinki, Finland. juha.merila@helsinki.fi〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729644" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Animals ; *Biological Evolution ; *Climatic Processes ; Cold Temperature ; Dehydration ; Drosophila/*genetics/*physiology ; Ecosystem ; *Genetic Variation ; Species Specificity ; Tropical Climate
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  • 67
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Silverstein, Arthur M -- New York, N.Y. -- Science. 2009 Jul 24;325(5939):393. doi: 10.1126/science.325_393b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19628841" target="_blank"〉PubMed〈/a〉
    Keywords: Antibody Diversity ; *Biological Evolution ; Immune System/*physiology
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  • 68
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-04-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):162-3. doi: 10.1126/science.324.5924.162b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359554" target="_blank"〉PubMed〈/a〉
    Keywords: Autistic Disorder/*genetics/physiopathology ; *Biological Evolution ; Brain/physiopathology ; Emotions ; Gene Deletion ; Gene Dosage ; Gene Duplication ; Humans ; Schizophrenia/*genetics/physiopathology ; Social Behavior
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Apr 3;324(5923):28-31. doi: 10.1126/science.324.5923.28.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19342565" target="_blank"〉PubMed〈/a〉
    Keywords: *Angiosperms/anatomy & histology/classification/genetics ; Biodiversity ; *Biological Evolution ; *Flowers/anatomy & histology ; Fossils ; Gene Duplication ; Genes, Plant ; Genetic Variation ; Genome, Plant ; Gymnosperms/classification/genetics ; Phylogeny ; Pollen ; Seeds/anatomy & histology ; Time
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  • 70
    Publication Date: 2009-02-07
    Description: The long-term effects of mass extinctions on spatial and evolutionary dynamics have been poorly studied. Here we show that the evolutionary consequences of the end-Cretaceous [Cretaceous/Paleogene (K/Pg)] mass extinction persist in present-day biogeography. The geologic ages of genera of living marine bivalves show a significant break from a smooth exponential distribution, corresponding to the K/Pg boundary. The break reflects a permanent increase in origination rates, intermediate between the Mesozoic rate and the post-extinction recovery pulse. This global rate shift is most clearly seen today in tropical bioprovinces and weakens toward the poles. Coupled with the modern geographic distributions of taxa originating before and after the K/Pg boundary, this spatial pattern indicates that tropical origination rates after the K/Pg event have left a permanent mark on the taxonomic and biogeographic structure of the modern biota, despite the complex Cenozoic history of marine environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krug, Andrew Z -- Jablonski, David -- Valentine, James W -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):767-71. doi: 10.1126/science.1164905.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue Chicago, IL 60637, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197060" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biodiversity ; *Biological Evolution ; *Bivalvia/classification/genetics ; Databases, Factual ; *Ecosystem ; *Extinction, Biological ; Fossils ; *Genetic Speciation ; Geography ; Seawater ; Time ; Tropical Climate
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-04-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Archibald, John M -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):191-2. doi: 10.1126/science.1172972.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Canadian Institute for Advanced Research, Program in Integrated Microbial Biodiversity, Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia B3H 1X5, Canada. john.archibald@dal.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359572" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Chlorophyta/classification/cytology/*genetics/physiology ; Gene Transfer, Horizontal ; Genes ; *Genome ; Introns ; Meiosis/genetics ; Photosynthesis/*genetics ; Plants/*genetics ; Sequence Analysis, DNA ; Transcription Factors/genetics
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):706-8. doi: 10.1126/science.323.5915.706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197037" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; *Biological Evolution ; Cooperative Behavior ; Ecosystem ; Female ; *Genes, Insect ; Genetic Variation ; Insects/genetics/*physiology ; Male ; Reproduction ; Selection, Genetic ; Social Behavior
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-17
    Description: Classification was a key practice of the natural history sciences in the early 19th century, but leading taxonomists disagreed over basic matters, such as how many species the British flora contained. In this arena, the impact of Charles Darwin's ideas was surprisingly limited. For taxonomists like Darwin's friend, Joseph Dalton Hooker, the priority was to establish a reputation as a philosophical naturalist, and to do so Hooker embarked on a survey of global vegetation patterns. He believed that taxonomic "splitters" hindered his ambition to create natural laws for botany (and hence establish it as a prestigious science) by generating a multitude of redundant synonyms for every plant variety. Despite the fact that Darwin's ideas apparently promised a justification for splitting, they also offered a philosophical justification for Hooker's taxonomic practice, and so he enthusiastically championed his friend.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Endersby, Jim -- New York, N.Y. -- Science. 2009 Dec 11;326(5959):1496-9. doi: 10.1126/science.1165915.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of History, University of Sussex, Falmer, Brighton BN1 9SH, UK. j.j.endersby@sussex.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007893" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Botany/*history ; Classification ; Genetic Speciation ; Great Britain ; History, 19th Century ; History, 20th Century ; Natural History/history ; Plants/anatomy & histology/*classification ; Selection, Genetic
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  • 74
    Publication Date: 2009-04-25
    Description: To understand the biology and evolution of ruminants, the cattle genome was sequenced to about sevenfold coverage. The cattle genome contains a minimum of 22,000 genes, with a core set of 14,345 orthologs shared among seven mammalian species of which 1217 are absent or undetected in noneutherian (marsupial or monotreme) genomes. Cattle-specific evolutionary breakpoint regions in chromosomes have a higher density of segmental duplications, enrichment of repetitive elements, and species-specific variations in genes associated with lactation and immune responsiveness. Genes involved in metabolism are generally highly conserved, although five metabolic genes are deleted or extensively diverged from their human orthologs. The cattle genome sequence thus provides a resource for understanding mammalian evolution and accelerating livestock genetic improvement for milk and meat production.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2943200/" 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/PMC2943200/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bovine Genome Sequencing and Analysis Consortium -- Elsik, Christine G -- Tellam, Ross L -- Worley, Kim C -- Gibbs, Richard A -- Muzny, Donna M -- Weinstock, George M -- Adelson, David L -- Eichler, Evan E -- Elnitski, Laura -- Guigo, Roderic -- Hamernik, Debora L -- Kappes, Steve M -- Lewin, Harris A -- Lynn, David J -- Nicholas, Frank W -- Reymond, Alexandre -- Rijnkels, Monique -- Skow, Loren C -- Zdobnov, Evgeny M -- Schook, Lawrence -- Womack, James -- Alioto, Tyler -- Antonarakis, Stylianos E -- Astashyn, Alex -- Chapple, Charles E -- Chen, Hsiu-Chuan -- Chrast, Jacqueline -- Camara, Francisco -- Ermolaeva, Olga -- Henrichsen, Charlotte N -- Hlavina, Wratko -- Kapustin, Yuri -- Kiryutin, Boris -- Kitts, Paul -- Kokocinski, Felix -- Landrum, Melissa -- Maglott, Donna -- Pruitt, Kim -- Sapojnikov, Victor -- Searle, Stephen M -- Solovyev, Victor -- Souvorov, Alexandre -- Ucla, Catherine -- Wyss, Carine -- Anzola, Juan M -- Gerlach, Daniel -- Elhaik, Eran -- Graur, Dan -- Reese, Justin T -- Edgar, Robert C -- McEwan, John C -- Payne, Gemma M -- Raison, Joy M -- Junier, Thomas -- Kriventseva, Evgenia V -- Eyras, Eduardo -- Plass, Mireya -- Donthu, Ravikiran -- Larkin, Denis M -- Reecy, James -- Yang, Mary Q -- Chen, Lin -- Cheng, Ze -- Chitko-McKown, Carol G -- Liu, George E -- Matukumalli, Lakshmi K -- Song, Jiuzhou -- Zhu, Bin -- Bradley, Daniel G -- Brinkman, Fiona S L -- Lau, Lilian P L -- Whiteside, Matthew D -- Walker, Angela -- Wheeler, Thomas T -- Casey, Theresa -- German, J Bruce -- Lemay, Danielle G -- Maqbool, Nauman J -- Molenaar, Adrian J -- Seo, Seongwon -- Stothard, Paul -- Baldwin, Cynthia L -- Baxter, Rebecca -- Brinkmeyer-Langford, Candice L -- Brown, Wendy C -- Childers, Christopher P -- Connelley, Timothy -- Ellis, Shirley A -- Fritz, Krista -- Glass, Elizabeth J -- Herzig, Carolyn T A -- Iivanainen, Antti -- Lahmers, Kevin K -- Bennett, Anna K -- Dickens, C Michael -- Gilbert, James G R -- Hagen, Darren E -- Salih, Hanni -- Aerts, Jan -- Caetano, Alexandre R -- Dalrymple, Brian -- Garcia, Jose Fernando -- Gill, Clare A -- Hiendleder, Stefan G -- Memili, Erdogan -- Spurlock, Diane -- Williams, John L -- Alexander, Lee -- Brownstein, Michael J -- Guan, Leluo -- Holt, Robert A -- Jones, Steven J M -- Marra, Marco A -- Moore, Richard -- Moore, Stephen S -- Roberts, Andy -- Taniguchi, Masaaki -- Waterman, Richard C -- Chacko, Joseph -- Chandrabose, Mimi M -- Cree, Andy -- Dao, Marvin Diep -- Dinh, Huyen H -- Gabisi, Ramatu Ayiesha -- Hines, Sandra -- Hume, Jennifer -- Jhangiani, Shalini N -- Joshi, Vandita -- Kovar, Christie L -- Lewis, Lora R -- Liu, Yih-Shin -- Lopez, John -- Morgan, Margaret B -- Nguyen, Ngoc Bich -- Okwuonu, Geoffrey O -- Ruiz, San Juana -- Santibanez, Jireh -- Wright, Rita A -- Buhay, Christian -- Ding, Yan -- Dugan-Rocha, Shannon -- Herdandez, Judith -- Holder, Michael -- Sabo, Aniko -- Egan, Amy -- Goodell, Jason -- Wilczek-Boney, Katarzyna -- Fowler, Gerald R -- Hitchens, Matthew Edward -- Lozado, Ryan J -- Moen, Charles -- Steffen, David -- Warren, James T -- Zhang, Jingkun -- Chiu, Readman -- Schein, Jacqueline E -- Durbin, K James -- Havlak, Paul -- Jiang, Huaiyang -- Liu, Yue -- Qin, Xiang -- Ren, Yanru -- Shen, Yufeng -- Song, Henry -- Bell, Stephanie Nicole -- Davis, Clay -- Johnson, Angela Jolivet -- Lee, Sandra -- Nazareth, Lynne V -- Patel, Bella Mayurkumar -- Pu, Ling-Ling -- Vattathil, Selina -- Williams, Rex Lee Jr -- Curry, Stacey -- Hamilton, Cerissa -- Sodergren, Erica -- Wheeler, David A -- Barris, Wes -- Bennett, Gary L -- Eggen, Andre -- Green, Ronnie D -- Harhay, Gregory P -- Hobbs, Matthew -- Jann, Oliver -- Keele, John W -- Kent, Matthew P -- Lien, Sigbjorn -- McKay, Stephanie D -- McWilliam, Sean -- Ratnakumar, Abhirami -- Schnabel, Robert D -- Smith, Timothy -- Snelling, Warren M -- Sonstegard, Tad S -- Stone, Roger T -- Sugimoto, Yoshikazu -- Takasuga, Akiko -- Taylor, Jeremy F -- Van Tassell, Curtis P -- Macneil, Michael D -- Abatepaulo, Antonio R R -- Abbey, Colette A -- Ahola, Virpi -- Almeida, Iassudara G -- Amadio, Ariel F -- Anatriello, Elen -- Bahadue, Suria M -- Biase, Fernando H -- Boldt, Clayton R -- Carroll, Jeffery A -- Carvalho, Wanessa A -- Cervelatti, Eliane P -- Chacko, Elsa -- Chapin, Jennifer E -- Cheng, Ye -- Choi, Jungwoo -- Colley, Adam J -- de Campos, Tatiana A -- De Donato, Marcos -- Santos, Isabel K F de Miranda -- de Oliveira, Carlo J F -- Deobald, Heather -- Devinoy, Eve -- Donohue, Kaitlin E -- Dovc, Peter -- Eberlein, Annett -- Fitzsimmons, Carolyn J -- Franzin, Alessandra M -- Garcia, Gustavo R -- Genini, Sem -- Gladney, Cody J -- Grant, Jason R -- Greaser, Marion L -- Green, Jonathan A -- Hadsell, Darryl L -- Hakimov, Hatam A -- Halgren, Rob -- Harrow, Jennifer L -- Hart, Elizabeth A -- Hastings, Nicola -- Hernandez, Marta -- Hu, Zhi-Liang -- Ingham, Aaron -- Iso-Touru, Terhi -- Jamis, Catherine -- Jensen, Kirsty -- Kapetis, Dimos -- Kerr, Tovah -- Khalil, Sari S -- Khatib, Hasan -- Kolbehdari, Davood -- Kumar, Charu G -- Kumar, Dinesh -- Leach, Richard -- Lee, Justin C-M -- Li, Changxi -- Logan, Krystin M -- Malinverni, Roberto -- Marques, Elisa -- Martin, William F -- Martins, Natalia F -- Maruyama, Sandra R -- Mazza, Raffaele -- McLean, Kim L -- Medrano, Juan F -- Moreno, Barbara T -- More, Daniela D -- Muntean, Carl T -- Nandakumar, Hari P -- Nogueira, Marcelo F G -- Olsaker, Ingrid -- Pant, Sameer D -- Panzitta, Francesca -- Pastor, Rosemeire C P -- Poli, Mario A -- Poslusny, Nathan -- Rachagani, Satyanarayana -- Ranganathan, Shoba -- Razpet, Andrej -- Riggs, Penny K -- Rincon, Gonzalo -- Rodriguez-Osorio, Nelida -- Rodriguez-Zas, Sandra L -- Romero, Natasha E -- Rosenwald, Anne -- Sando, Lillian -- Schmutz, Sheila M -- Shen, Libing -- Sherman, Laura -- Southey, Bruce R -- Lutzow, Ylva Strandberg -- Sweedler, Jonathan V -- Tammen, Imke -- Telugu, Bhanu Prakash V L -- Urbanski, Jennifer M -- Utsunomiya, Yuri T -- Verschoor, Chris P -- Waardenberg, Ashley J -- Wang, Zhiquan -- Ward, Robert -- Weikard, Rosemarie -- Welsh, Thomas H Jr -- White, Stephen N -- Wilming, Laurens G -- Wunderlich, Kris R -- Yang, Jianqi -- Zhao, Feng-Qi -- 062023/Wellcome Trust/United Kingdom -- 077198/Wellcome Trust/United Kingdom -- BBS/B/13438/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBS/B/13446/Biotechnology and Biological Sciences Research Council/United Kingdom -- P30 DA018310/DA/NIDA NIH HHS/ -- U54 HG003273/HG/NHGRI NIH HHS/ -- U54 HG003273-04/HG/NHGRI NIH HHS/ -- U54 HG003273-04S1/HG/NHGRI NIH HHS/ -- U54 HG003273-05/HG/NHGRI NIH HHS/ -- U54 HG003273-05S1/HG/NHGRI NIH HHS/ -- U54 HG003273-05S2/HG/NHGRI NIH HHS/ -- U54 HG003273-06/HG/NHGRI NIH HHS/ -- U54 HG003273-06S1/HG/NHGRI NIH HHS/ -- U54 HG003273-06S2/HG/NHGRI NIH HHS/ -- U54 HG003273-07/HG/NHGRI NIH HHS/ -- U54 HG003273-08/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 24;324(5926):522-8. doi: 10.1126/science.1169588.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19390049" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Animals ; Animals, Domestic ; *Biological Evolution ; Cattle ; Evolution, Molecular ; Female ; Genetic Variation ; *Genome ; Humans ; Male ; MicroRNAs/genetics ; Molecular Sequence Data ; Proteins/genetics ; Sequence Analysis, DNA ; Species Specificity ; Synteny
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  • 75
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2009 Sep 11;325(5946):1330-3. doi: 10.1126/science.325_1330.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19745127" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological/*genetics ; Agouti Signaling Protein/genetics ; Animals ; Behavior, Animal ; *Biological Evolution ; Crosses, Genetic ; Ecosystem ; Epistasis, Genetic ; Hair Color/*genetics ; Mice ; Mutation ; Peromyscus/*genetics/physiology ; Pigmentation/genetics ; *Quantitative Trait Loci ; Receptor, Melanocortin, Type 1/genetics ; Serine Endopeptidases/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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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-11-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2009 Oct 30;326(5953):655. doi: 10.1126/science.326_655a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19900909" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; China ; *Fossils ; Hominidae ; Humans
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  • 77
    Publication Date: 2009-10-10
    Description: The definitive mammalian middle ear (DMME) is defined by the loss of embryonic Meckel's cartilage and disconnection of the middle ear from the mandible in adults. It is a major feature distinguishing living mammals from nonmammalian vertebrates. We report a Cretaceous trechnotherian mammal with an ossified Meckel's cartilage in the adult, showing that homoplastic evolution of the DMME occurred in derived therian mammals, besides the known cases of eutriconodonts. The mandible with ossified Meckel's cartilage appears to be paedomorphic. Reabsorption of embryonic Meckel's cartilage to disconnect the ear ossicles from the mandible is patterned by a network of genes and signaling pathways. This fossil suggests that developmental heterochrony and gene patterning are major mechanisms in homplastic evolution of the DMME.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ji, Qiang -- Luo, Zhe-Xi -- Zhang, Xingliao -- Yuan, Chong-Xi -- Xu, Li -- New York, N.Y. -- Science. 2009 Oct 9;326(5950):278-81. doi: 10.1126/science.1178501.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19815774" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Cartilage/embryology/physiology ; Chondrogenesis ; Dentition ; Ear Ossicles/anatomy & histology/embryology ; *Ear, Middle/anatomy & histology/embryology ; Embryo, Mammalian/anatomy & histology ; *Fossils ; Gene Expression Regulation, Developmental ; Intercellular Signaling Peptides and Proteins/metabolism ; *Mammals/anatomy & histology/classification/embryology/genetics ; Mandible/anatomy & histology ; Mice ; Mice, Mutant Strains ; *Osteogenesis ; Phylogeny ; Signal Transduction
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 78
    Publication Date: 2009-11-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2009 Oct 23;326(5952):510-1. doi: 10.1126/science.326_510b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19900871" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*education ; Curriculum ; Hong Kong ; *Religion and Science
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 79
    Publication Date: 2009-02-21
    Description: Embryogenesis depends on self-regulatory interactions between spatially separated signaling centers, but few of these are well understood. Limb development is regulated by epithelial-mesenchymal (e-m) feedback loops between sonic hedgehog (SHH) and fibroblast growth factor (FGF) signaling involving the bone morphogenetic protein (BMP) antagonist Gremlin1 (GREM1). By combining mouse molecular genetics with mathematical modeling, we showed that BMP4 first initiates and SHH then propagates e-m feedback signaling through differential transcriptional regulation of Grem1 to control digit specification. This switch occurs by linking a fast BMP4/GREM1 module to the slower SHH/GREM1/FGF e-m feedback loop. This self-regulatory signaling network results in robust regulation of distal limb development that is able to compensate for variations by interconnectivity among the three signaling pathways.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Benazet, Jean-Denis -- Bischofberger, Mirko -- Tiecke, Eva -- Goncalves, Alexandre -- Martin, James F -- Zuniga, Aimee -- Naef, Felix -- Zeller, Rolf -- 2R01DE12324-12/DE/NIDCR NIH HHS/ -- R01DE16329/DE/NIDCR NIH HHS/ -- New York, N.Y. -- Science. 2009 Feb 20;323(5917):1050-3. doi: 10.1126/science.1168755.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Genetics, Department of Biomedicine, University of Basel, Mattenstrasse 28, CH-4058 Basel, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19229034" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Body Patterning ; Bone Morphogenetic Protein 4/genetics/metabolism ; Epithelium/embryology/metabolism ; *Feedback, Physiological ; Fibroblast Growth Factors/genetics/metabolism ; Forelimb/*embryology ; Hedgehog Proteins/genetics/metabolism ; Intercellular Signaling Peptides and Proteins/genetics/metabolism ; Limb Buds/embryology/metabolism ; Mesoderm/metabolism ; Mice ; Models, Biological ; *Signal Transduction ; Toes/embryology
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  • 80
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-10-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clark, James -- New York, N.Y. -- Science. 2009 Oct 16;326(5951):373-4. doi: 10.1126/science.1181276.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, George Washington University, Washington, DC 20052, USA. jclark@gwu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19833946" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Size ; China ; *Dinosaurs/anatomy & histology/classification ; *Fossils
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):709-11. doi: 10.1126/science.323.5915.709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197038" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaeology ; Art/*history ; *Biological Evolution ; *Creativity ; *Cultural Evolution ; History, Ancient ; Hominidae ; Humans ; Language ; Social Behavior ; *Symbolism ; Tool Use Behavior
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  • 82
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-01-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, Michael -- New York, N.Y. -- Science. 2009 Jan 30;323(5914):569. doi: 10.1126/science.323.5914.569.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19179497" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Cultural Evolution ; Engraving and Engravings/*history ; History, Ancient ; Humans ; South Africa ; *Symbolism
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  • 83
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-06-27
    Description: Competitive interactions between cells are the basis of many homeostatic processes in biology. Some of the best-described cases of competition between cells occur in Drosophila: cell competition, whereby somatic cells within a growing epithelium compete with one another for contribution to the adult, and stem cell competition, in which germline or somatic stem cells vie for residency in the niche. Both types of competition are conserved physiological processes, with much to tell us about how cellular neighborhoods influence cell behavior, and have importance to stem cell biology, regeneration and transplantation, and cancer.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2736143/" 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/PMC2736143/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnston, Laura A -- GMO78464/PHS HHS/ -- HD42770/HD/NICHD NIH HHS/ -- R01 GM078464/GM/NIGMS NIH HHS/ -- R01 GM078464-01/GM/NIGMS NIH HHS/ -- R01 GM078464-02/GM/NIGMS NIH HHS/ -- R01 GM078464-03/GM/NIGMS NIH HHS/ -- R01 HD042770/HD/NICHD NIH HHS/ -- R01 HD042770-02/HD/NICHD NIH HHS/ -- R01 HD042770-03/HD/NICHD NIH HHS/ -- R01 HD042770-04/HD/NICHD NIH HHS/ -- R01 HD042770-05/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1679-82. doi: 10.1126/science.1163862.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Development, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA. lj180@columbia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19556501" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; *Cell Communication ; *Cell Physiological Phenomena ; *Cell Proliferation ; Drosophila/cytology ; Homeostasis ; Models, Biological ; Signal Transduction ; Stem Cell Niche/physiology ; Stem Cells/cytology/*physiology
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  • 84
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-06-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clement, Pierre -- Quessada, Marie-Pierre -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1644. doi: 10.1126/science.324_1644a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉LEPS-LIRDHIST, Universite Lyon 1, Villeurbanne 69622, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19556487" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*education ; Europe ; *Faculty ; Religion ; *Religion and Science
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  • 85
    Publication Date: 2009-12-17
    Description: Cells have self-organizing properties that control their behavior in complex tissues. Contact between cells expressing either B-type Eph receptors or their transmembrane ephrin ligands initiates bidirectional signals that regulate cell positioning. However, simultaneously investigating how information is processed in two interacting cell types remains a challenge. We implemented a proteomic strategy to systematically determine cell-specific signaling networks underlying EphB2- and ephrin-B1-controlled cell sorting. Quantitative mass spectrometric analysis of mixed populations of EphB2- and ephrin-B1-expressing cells that were labeled with different isotopes revealed cell-specific tyrosine phosphorylation events. Functional associations between these phosphotyrosine signaling networks and cell sorting were established with small interfering RNA screening. Data-driven network modeling revealed that signaling between mixed EphB2- and ephrin-B1-expressing cells is asymmetric and that the distinct cell types use different tyrosine kinases and targets to process signals induced by cell-cell contact. We provide systems- and cell-specific network models of contact-initiated signaling between two distinct cell types.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jorgensen, Claus -- Sherman, Andrew -- Chen, Ginny I -- Pasculescu, Adrian -- Poliakov, Alexei -- Hsiung, Marilyn -- Larsen, Brett -- Wilkinson, David G -- Linding, Rune -- Pawson, Tony -- MC_U117532048/Medical Research Council/United Kingdom -- MOP-6849/Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2009 Dec 11;326(5959):1502-9. doi: 10.1126/science.1176615.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Samuel Lunenfeld Research Institute (SLRI), Mount Sinai Hospital, Toronto M5G 1X5, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007894" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/metabolism ; Algorithms ; Cell Line ; Ephrin-B1/genetics/*metabolism ; Humans ; Ligands ; Mass Spectrometry ; Models, Biological ; PDZ Domains ; Phosphorylation ; Protein Binding ; Protein Interaction Domains and Motifs ; Protein-Tyrosine Kinases/metabolism ; Proteomics ; RNA, Small Interfering ; Receptor, EphB2/genetics/*metabolism ; *Signal Transduction ; Tyrosine/metabolism ; src Homology Domains
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  • 86
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pradeu, Thomas -- New York, N.Y. -- Science. 2009 Jul 24;325(5939):393. doi: 10.1126/science.325_393a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19628842" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Immune System/*physiology ; Immunity ; Immunity, Innate
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  • 87
    Publication Date: 2009-02-07
    Description: The Bacteria and Archaea are the most genetically diverse superkingdoms of life, and techniques for exploring that diversity are only just becoming widespread. Taxonomists classify these organisms into species in much the same way as they classify eukaryotes, but differences in their biology-including horizontal gene transfer between distantly related taxa and variable rates of homologous recombination-mean that we still do not understand what a bacterial species is. This is not merely a semantic question; evolutionary theory should be able to explain why species exist at all levels of the tree of life, and we need to be able to define species for practical applications in industry, agriculture, and medicine. Recent studies have emphasized the need to combine genetic diversity and distinct ecology in an attempt to define species in a coherent and convincing fashion. The resulting data may help to discriminate among the many theories of prokaryotic species that have been produced to date.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fraser, Christophe -- Alm, Eric J -- Polz, Martin F -- Spratt, Brian G -- Hanage, William P -- 089472/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2009 Feb 6;323(5915):741-6. doi: 10.1126/science.1159388.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Infectious Disease Epidemiology, Imperial College London, London W2 1PG, UK. c.fraser@imperial.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19197054" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/*classification/*genetics ; *Biodiversity ; Biological Evolution ; *Ecosystem ; Extinction, Biological ; Genes, Bacterial ; *Genetic Speciation ; *Genetic Variation ; Models, Biological ; Models, Genetic ; Recombination, Genetic ; Selection, Genetic
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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):33-5. doi: 10.1126/science.326_33.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19797635" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Biological Evolution ; Climate ; Competitive Behavior ; Conservation of Natural Resources ; *Ecosystem ; Environment ; Food Chain ; Plants ; Predatory Behavior ; Trees
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  • 89
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-04-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Friedman, Matt -- New York, N.Y. -- Science. 2009 Apr 17;324(5925):341-2. doi: 10.1126/science.1172783.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Committee on Evolutionary Biology, University of Chicago, 1025 East 57th Street, Chicago, IL 60637, USA. mattf@uchicago.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19372416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Fishes/anatomy & histology/growth & development/physiology ; Forelimb/*anatomy & histology/growth & development/physiology ; *Fossils ; Humerus/*anatomy & histology/growth & development/physiology ; Locomotion ; Muscle, Skeletal/physiology ; Phylogeny ; Vertebrates/*anatomy & histology/growth & development/physiology
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  • 90
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2009 Aug 7;325(5941):663. doi: 10.1126/science.325_663a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661392" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ape Diseases/parasitology ; *Biological Evolution ; Erythrocytes/*parasitology ; Genetic Speciation ; Genetic Variation ; Malaria/parasitology/veterinary ; Malaria Vaccines ; Malaria, Falciparum/*parasitology ; Mutation ; Pan troglodytes/*virology ; Phylogeny ; Plasmodium/classification/*genetics/immunology/pathogenicity ; Plasmodium falciparum/classification/*genetics/pathogenicity
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  • 91
    Publication Date: 2009-04-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2009 Apr 3;324(5923):25. doi: 10.1126/science.324.5923.25a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19342560" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*education ; Curriculum/standards ; Education/standards ; Fossils ; Religion and Science ; Teaching/standards ; Texas ; Textbooks as Topic
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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-01-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2009 Jan 23;323(5913):451. doi: 10.1126/science.323.5913.451b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19164718" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*education ; Education/*legislation & jurisprudence ; Louisiana ; Religion and Science ; Teaching/*legislation & jurisprudence
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-06-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2009 Jun 5;324(5932):1254-6. doi: 10.1126/science.324_1254.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498143" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Female ; Host-Parasite Interactions ; Humans ; Male ; Mating Preference, Animal ; *Meiosis ; Models, Biological ; Mutation ; Recombination, Genetic ; *Reproduction ; *Sex
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  • 94
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):36-40. doi: 10.1126/science.326_36.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19797636" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bone and Bones/anatomy & histology ; Ethiopia ; Female ; *Fossils ; *Hominidae/anatomy & histology/classification/physiology ; Humans ; Locomotion ; Pan troglodytes ; Posture ; Skeleton ; Skull/anatomy & histology ; Walking
    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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  • 95
    Publication Date: 2009-06-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2009 Jun 12;324(5933):1385. doi: 10.1126/science.324_1385.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19520935" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*education ; Education/standards ; Religion and Science ; Texas ; Textbooks as Topic/*standards
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  • 96
    Publication Date: 2009-10-08
    Description: The highly fragmented and distorted skull of the adult skeleton ARA-VP-6/500 includes most of the dentition and preserves substantial parts of the face, vault, and base. Anatomical comparisons and micro-computed tomography-based analysis of this and other remains reveal pre-Australopithecus hominid craniofacial morphology and structure. The Ardipithecus ramidus skull exhibits a small endocranial capacity (300 to 350 cubic centimeters), small cranial size relative to body size, considerable midfacial projection, and a lack of modern African ape-like extreme lower facial prognathism. Its short posterior cranial base differs from that of both Pan troglodytes and P. paniscus. Ar. ramidus lacks the broad, anteriorly situated zygomaxillary facial skeleton developed in later Australopithecus. This combination of features is apparently shared by Sahelanthropus, showing that the Mio-Pliocene hominid cranium differed substantially from those of both extant apes and Australopithecus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suwa, Gen -- Asfaw, Berhane -- Kono, Reiko T -- Kubo, Daisuke -- Lovejoy, C Owen -- White, Tim D -- New York, N.Y. -- Science. 2009 Oct 2;326(5949):68e1-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University Museum, University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan. suwa@um.u-tokyo.ac.jp〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19810194" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Dentition ; Ethiopia ; Facial Bones/anatomy & histology ; *Fossils ; Hominidae/*anatomy & histology/classification ; Humans ; Pan paniscus/anatomy & histology ; Pan troglodytes/anatomy & histology ; Skull/*anatomy & histology/radiography ; Species Specificity ; X-Ray Microtomography
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  • 97
    Publication Date: 2009-09-05
    Description: We demonstrate that the model of energy allocation during ontogeny of Hou et al. (Reports, 31 October 2008, p. 736) fails to account for the observed elevation of metabolic rate in growing organisms compared with similarly sized adults of different species. The basic model assumptions of the three-quarter power scaling for resting metabolism and constancy of the mass-specific maintenance metabolism need to be reassessed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Makarieva, Anastassia M -- Gorshkov, Victor G -- Li, Bai-Lian -- New York, N.Y. -- Science. 2009 Sep 4;325(5945):1206; author reply 1206. doi: 10.1126/science.1171303.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Theoretical Physics Division, Petersburg Nuclear Physics Institute, Gatchina, St. Petersburg, Russia. elba@peterlink.ru〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19729641" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basal Metabolism ; Birds/growth & development/*metabolism ; Body Weight ; *Energy Metabolism ; *Growth ; Mammals/growth & development/*metabolism ; Models, Biological ; Species Specificity
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  • 98
    Publication Date: 2009-09-19
    Description: Retroviruses can leave a "fossil record" in their hosts' genomes in the form of endogenous retroviruses. Foamy viruses, complex retroviruses that infect mammals, have been notably absent from this record. We have found an endogenous foamy virus within the genomes of sloths and show that foamy viruses were infecting mammals more than 100 million years ago and codiverged with their hosts across an entire geological era. Our analysis highlights the role of evolutionary constraint in maintaining viral genome structure and indicates that accessory genes and mammalian mechanisms of innate immunity are the products of macroevolutionary conflict played out over a geological time scale.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Katzourakis, Aris -- Gifford, Robert J -- Tristem, Michael -- Gilbert, M Thomas P -- Pybus, Oliver G -- New York, N.Y. -- Science. 2009 Sep 18;325(5947):1512. doi: 10.1126/science.1174149.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zoology Department, University of Oxford, Oxford OX1 3PS, UK. aris.katzourakis@zoo.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19762636" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; *Biological Evolution ; Endogenous Retroviruses/classification/*genetics ; *Evolution, Molecular ; Genome ; Genome, Viral ; Immunity, Innate ; Molecular Sequence Data ; Phylogeny ; Retroviridae Infections/veterinary/virology ; Sloths/classification/*genetics/immunology/*virology ; Spumavirus/classification/*genetics ; Time
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  • 99
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tylianakis, Jason M -- New York, N.Y. -- Science. 2009 Mar 6;323(5919):1300-1. doi: 10.1126/science.1170909.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Canterbury, Christchurch 8020, New Zealand. jason.tylianakis@canterbury.ac.nz〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19265009" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; Aphids/microbiology/*physiology ; Beetles/*physiology ; *Biological Evolution ; Climate ; *Ecosystem ; *Food Chain ; *Hot Temperature ; Population Density ; Population Dynamics ; Predatory Behavior ; Symbiosis
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  • 100
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-01-10
    Description: Charles Darwin's theory of natural selection has been hailed as one of the most innovative contributions to modern science. When first proposed in 1859, however, it was widely rejected by his contemporaries, even by those who accepted the general idea of evolution. This article identifies those aspects of Darwin's work that led him to develop this revolutionary theory, including his studies of biogeography and animal breeding, and his recognition of the role played by the struggle for existence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowler, Peter J -- New York, N.Y. -- Science. 2009 Jan 9;323(5911):223-6. doi: 10.1126/science.1160332.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Philosophy and Anthropological Studies, Queen's University of Belfast, University Road Belfast, Belfast, Northern Ireland, BT7 1NN, UK. p.bowler@qub.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19131623" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; Animals ; *Biological Evolution ; Breeding/history ; Genetic Speciation ; Genetic Variation ; Geography ; History, 19th Century ; Humans ; Phylogeny ; *Selection, Genetic ; Sociology/history
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