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  • *Biological Evolution  (374)
  • Binding Sites
  • American Association for the Advancement of Science (AAAS)  (591)
  • 2005-2009  (591)
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  • 1
    Publication Date: 2009-03-17
    Description: The three-dimensional molecular structure of DNA, specifically the shape of the backbone and grooves of genomic DNA, can be dramatically affected by nucleotide changes, which can cause differences in protein-binding affinity and phenotype. We developed an algorithm to measure constraint on the basis of similarity of DNA topography among multiple species, using hydroxyl radical cleavage patterns to interrogate the solvent-accessible surface area of DNA. This algorithm found that 12% of bases in the human genome are evolutionarily constrained-double the number detected by nucleotide sequence-based algorithms. Topography-informed constrained regions correlated with functional noncoding elements, including enhancers, better than did regions identified solely on the basis of nucleotide sequence. These results support the idea that the molecular shape of DNA is under selection and can identify evolutionary history.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2749491/" 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/PMC2749491/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parker, Stephen C J -- Hansen, Loren -- Abaan, Hatice Ozel -- Tullius, Thomas D -- Margulies, Elliott H -- R01 HG003541/HG/NHGRI NIH HHS/ -- R01 HG003541-03/HG/NHGRI NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 17;324(5925):389-92. doi: 10.1126/science.1169050. Epub 2009 Mar 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bioinformatics Program, Boston University, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286520" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Amino Acid Motifs ; Base Sequence ; Binding Sites ; Conserved Sequence ; DNA/*chemistry/genetics ; Deoxyribonuclease I/metabolism ; Early Growth Response Protein 1/genetics/metabolism ; Evolution, Molecular ; *Genome, Human ; Humans ; Mutant Proteins/metabolism ; Nucleic Acid Conformation ; Phenotype ; Polymorphism, Single Nucleotide ; Selection, Genetic
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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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
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 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
    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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  • 4
    Publication Date: 2009-12-08
    Description: Simocyclinones are bifunctional antibiotics that inhibit bacterial DNA gyrase by preventing DNA binding to the enzyme. We report the crystal structure of the complex formed between the N-terminal domain of the Escherichia coli gyrase A subunit and simocyclinone D8, revealing two binding pockets that separately accommodate the aminocoumarin and polyketide moieties of the antibiotic. These are close to, but distinct from, the quinolone-binding site, consistent with our observations that several mutations in this region confer resistance to both agents. Biochemical studies show that the individual moieties of simocyclinone D8 are comparatively weak inhibitors of gyrase relative to the parent compound, but their combination generates a more potent inhibitor. Our results should facilitate the design of drug molecules that target these unexploited binding pockets.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Edwards, Marcus J -- Flatman, Ruth H -- Mitchenall, Lesley A -- Stevenson, Clare E M -- Le, Tung B K -- Clarke, Thomas A -- McKay, Adam R -- Fiedler, Hans-Peter -- Buttner, Mark J -- Lawson, David M -- Maxwell, Anthony -- Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1415-8. doi: 10.1126/science.1179123.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, John Innes Centre, Colney, Norwich NR4 7UH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965760" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Anti-Bacterial Agents/chemistry/metabolism/pharmacology ; Binding Sites ; Coumarins/chemistry/metabolism/pharmacology ; Crystallography, X-Ray ; DNA Gyrase/*chemistry/genetics/*metabolism ; DNA, Bacterial/metabolism ; Drug Resistance, Bacterial ; Escherichia coli/drug effects/*enzymology/genetics ; Glycosides/chemistry/metabolism/pharmacology ; Ligands ; Models, Molecular ; Molecular Sequence Data ; Molecular Weight ; Mutagenesis, Site-Directed ; Mutation ; Protein Multimerization ; Protein Structure, Tertiary ; Topoisomerase II Inhibitors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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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
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2009-06-13
    Description: Rotavirus outer-layer protein VP7 is a principal target of protective antibodies. Removal of free calcium ions (Ca2+) dissociates VP7 trimers into monomers, releasing VP7 from the virion, and initiates penetration-inducing conformational changes in the other outer-layer protein, VP4. We report the crystal structure at 3.4 angstrom resolution of VP7 bound with the Fab fragment of a neutralizing monoclonal antibody. The Fab binds across the outer surface of the intersubunit contact, which contains two Ca2+ sites. Mutations that escape neutralization by other antibodies suggest that the same region bears the epitopes of most neutralizing antibodies. The monovalent Fab is sufficient to neutralize infectivity. We propose that neutralizing antibodies against VP7 act by stabilizing the trimer, thereby inhibiting the uncoating trigger for VP4 rearrangement. A disulfide-linked trimer is a potential subunit immunogen.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2995306/" 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/PMC2995306/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aoki, Scott T -- Settembre, Ethan C -- Trask, Shane D -- Greenberg, Harry B -- Harrison, Stephen C -- Dormitzer, Philip R -- AI-21362/AI/NIAID NIH HHS/ -- CA-13202/CA/NCI NIH HHS/ -- DK-56339/DK/NIDDK NIH HHS/ -- R37 CA013202/CA/NCI NIH HHS/ -- R37 CA013202-38/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Jun 12;324(5933):1444-7. doi: 10.1126/science.1170481.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Medicine, Children's Hospital, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19520960" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antibodies, Monoclonal/chemistry/immunology/metabolism ; Antibodies, Viral/chemistry/*immunology/metabolism ; Antigens, Viral/*chemistry/genetics/*immunology/metabolism ; Binding Sites ; Binding Sites, Antibody ; Calcium/metabolism ; Capsid Proteins/*chemistry/genetics/*immunology/metabolism ; Crystallography, X-Ray ; Epitopes/immunology ; Immunoglobulin Fab Fragments/chemistry/*immunology/metabolism ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Neutralization Tests ; Protein Folding ; Protein Multimerization ; Protein Structure, Tertiary ; Protein Subunits ; Recombinant Proteins/chemistry ; Rotavirus/*chemistry/immunology ; Serotyping
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2009-03-28
    Description: P-glycoprotein (P-gp) detoxifies cells by exporting hundreds of chemically unrelated toxins but has been implicated in multidrug resistance (MDR) in the treatment of cancers. Substrate promiscuity is a hallmark of P-gp activity, thus a structural description of poly-specific drug-binding is important for the rational design of anticancer drugs and MDR inhibitors. The x-ray structure of apo P-gp at 3.8 angstroms reveals an internal cavity of approximately 6000 angstroms cubed with a 30 angstrom separation of the two nucleotide-binding domains. Two additional P-gp structures with cyclic peptide inhibitors demonstrate distinct drug-binding sites in the internal cavity capable of stereoselectivity that is based on hydrophobic and aromatic interactions. Apo and drug-bound P-gp structures have portals open to the cytoplasm and the inner leaflet of the lipid bilayer for drug entry. The inward-facing conformation represents an initial stage of the transport cycle that is competent for drug binding.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2720052/" 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/PMC2720052/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aller, Stephen G -- Yu, Jodie -- Ward, Andrew -- Weng, Yue -- Chittaboina, Srinivas -- Zhuo, Rupeng -- Harrell, Patina M -- Trinh, Yenphuong T -- Zhang, Qinghai -- Urbatsch, Ina L -- Chang, Geoffrey -- F32 GM078914/GM/NIGMS NIH HHS/ -- F32 GM078914-03/GM/NIGMS NIH HHS/ -- GM073197/GM/NIGMS NIH HHS/ -- GM078914/GM/NIGMS NIH HHS/ -- GM61905/GM/NIGMS NIH HHS/ -- P50 GM073197/GM/NIGMS NIH HHS/ -- P50 GM073197-050002/GM/NIGMS NIH HHS/ -- R01 GM061905/GM/NIGMS NIH HHS/ -- R01 GM061905-09/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 27;323(5922):1718-22. doi: 10.1126/science.1168750.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Scripps Research Institute, 10550 North Torrey Pines Road, CB105, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19325113" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/metabolism ; Amino Acid Sequence ; Animals ; Apoproteins/chemistry/metabolism ; Binding Sites ; Cell Membrane/chemistry ; Crystallography, X-Ray ; Hydrophobic and Hydrophilic Interactions ; Lipid Bilayers/chemistry ; Mice ; Models, Molecular ; Molecular Sequence Data ; P-Glycoprotein/antagonists & inhibitors/*chemistry/*metabolism ; Peptides, Cyclic/*chemistry/*metabolism ; Protein Binding ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Stereoisomerism ; Verapamil/metabolism/pharmacology
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  • 8
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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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  • 9
    Publication Date: 2009-04-18
    Description: Genes are not simply turned on or off, but instead their expression is fine-tuned to meet the needs of a cell. How genes are modulated so precisely is not well understood. The glucocorticoid receptor (GR) regulates target genes by associating with specific DNA binding sites, the sequences of which differ between genes. Traditionally, these binding sites have been viewed only as docking sites. Using structural, biochemical, and cell-based assays, we show that GR binding sequences, differing by as little as a single base pair, differentially affect GR conformation and regulatory activity. We therefore propose that DNA is a sequence-specific allosteric ligand of GR that tailors the activity of the receptor toward specific target genes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2777810/" 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/PMC2777810/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meijsing, Sebastiaan H -- Pufall, Miles A -- So, Alex Y -- Bates, Darren L -- Chen, Lin -- Yamamoto, Keith R -- GM08537/GM/NIGMS NIH HHS/ -- R01 CA020535/CA/NCI NIH HHS/ -- R01 CA020535-31/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 17;324(5925):407-10. doi: 10.1126/science.1164265.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, 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/19372434" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Cell Line, Tumor ; Crystallography, X-Ray ; DNA/*chemistry/*metabolism ; Humans ; Ligands ; Models, Molecular ; Mutation ; Protein Conformation ; Protein Isoforms/chemistry/metabolism ; Protein Multimerization ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Rats ; Receptors, Glucocorticoid/chemistry/genetics/*metabolism ; Transcriptional Activation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 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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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 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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  • 12
    Publication Date: 2009-05-16
    Description: Sequence preferences of DNA binding proteins are a primary mechanism by which cells interpret the genome. Despite the central importance of these proteins in physiology, development, and evolution, comprehensive DNA binding specificities have been determined experimentally for only a few proteins. Here, we used microarrays containing all 10-base pair sequences to examine the binding specificities of 104 distinct mouse DNA binding proteins representing 22 structural classes. Our results reveal a complex landscape of binding, with virtually every protein analyzed possessing unique preferences. Roughly half of the proteins each recognized multiple distinctly different sequence motifs, challenging our molecular understanding of how proteins interact with their DNA binding sites. This complexity in DNA recognition may be important in gene regulation and in the evolution of transcriptional regulatory networks.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905877/" 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/PMC2905877/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Badis, Gwenael -- Berger, Michael F -- Philippakis, Anthony A -- Talukder, Shaheynoor -- Gehrke, Andrew R -- Jaeger, Savina A -- Chan, Esther T -- Metzler, Genita -- Vedenko, Anastasia -- Chen, Xiaoyu -- Kuznetsov, Hanna -- Wang, Chi-Fong -- Coburn, David -- Newburger, Daniel E -- Morris, Quaid -- Hughes, Timothy R -- Bulyk, Martha L -- R01 HG003985/HG/NHGRI NIH HHS/ -- R01 HG003985-01/HG/NHGRI NIH HHS/ -- R01 HG003985-02/HG/NHGRI NIH HHS/ -- R01 HG003985-03/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1720-3. doi: 10.1126/science.1162327. Epub 2009 May 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, University of Toronto, Toronto, ON M5S 3E1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19443739" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; DNA/chemistry/*metabolism ; Electrophoretic Mobility Shift Assay ; Gene Expression Regulation ; Gene Regulatory Networks ; Humans ; Mice ; Protein Array Analysis ; Protein Binding ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/chemistry/metabolism ; Transcription Factors/*chemistry/*metabolism
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  • 13
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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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  • 14
    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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  • 15
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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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  • 16
    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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  • 17
    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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  • 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: 2009-12-19
    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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  • 20
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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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  • 21
    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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  • 22
    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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  • 23
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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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  • 24
    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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  • 25
    Publication Date: 2009-11-07
    Description: The LKB1 tumor suppressor is a protein kinase that controls the activity of adenosine monophosphate-activated protein kinase (AMPK). LKB1 activity is regulated by the pseudokinase STRADalpha and the scaffolding protein MO25alpha through an unknown, phosphorylation-independent, mechanism. We describe the structure of the core heterotrimeric LKB1-STRADalpha-MO25alpha complex, revealing an unusual allosteric mechanism of LKB1 activation. STRADalpha adopts a closed conformation typical of active protein kinases and binds LKB1 as a pseudosubstrate. STRADalpha and MO25alpha promote the active conformation of LKB1, which is stabilized by MO25alpha interacting with the LKB1 activation loop. This previously undescribed mechanism of kinase activation may be relevant to understanding the evolution of other pseudokinases. The structure also reveals how mutations found in Peutz-Jeghers syndrome and in various sporadic cancers impair LKB1 function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3518268/" 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/PMC3518268/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zeqiraj, Elton -- Filippi, Beatrice Maria -- Deak, Maria -- Alessi, Dario R -- van Aalten, Daan M F -- 087590/Wellcome Trust/United Kingdom -- C33794/A10969/Cancer Research UK/United Kingdom -- G0900138/Medical Research Council/United Kingdom -- MC_U127070193/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2009 Dec 18;326(5960):1707-11. doi: 10.1126/science.1178377. Epub 2009 Nov 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Microbiology, College of Life Sciences, University of Dundee, Dundee DD1 5EH, Scotland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19892943" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases/metabolism ; Adaptor Proteins, Vesicular Transport/*chemistry/metabolism ; Allosteric Regulation ; Amino Acid Sequence ; Binding Sites ; Calcium-Binding Proteins/*chemistry/metabolism ; Crystallography, X-Ray ; Enzyme Activation ; Humans ; Models, Molecular ; Molecular Sequence Data ; Multiprotein Complexes/chemistry/metabolism ; Mutant Proteins/chemistry/metabolism ; Mutation ; Phosphorylation ; Protein Binding ; Protein Conformation ; Protein Interaction Domains and Motifs ; Protein Structure, Tertiary ; Protein-Serine-Threonine Kinases/*chemistry/metabolism
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  • 26
    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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    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-06-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gebhardt, J Christof M -- Rief, Matthias -- New York, N.Y. -- Science. 2009 Jun 5;324(5932):1278-80. doi: 10.1126/science.1175874.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Physik Department E22, Technische Universitat Munchen, James-Franck-Strasse, 85748 Munchen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498156" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins/*metabolism ; Binding Sites ; Blood Coagulation/physiology ; Hemostasis/*physiology ; Humans ; *Mechanical Phenomena ; Optical Tweezers ; Protein Conformation ; Protein Folding ; Protein Multimerization ; Protein Structure, Tertiary ; Stress, Mechanical ; von Willebrand Factor/*chemistry/*metabolism
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  • 29
    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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  • 30
    Publication Date: 2009-06-27
    Description: In the central domain of fission yeast centromeres, the kinetochore is assembled on CENP-A(Cnp1) nucleosomes. Normally, small interfering RNAs generated from flanking outer repeat transcripts direct histone H3 lysine 9 methyltransferase Clr4 to homologous loci to form heterochromatin. Outer repeats, RNA interference (RNAi), and centromeric heterochromatin are required to establish CENP-A(Cnp1) chromatin. We demonstrated that tethering Clr4 via DNA-binding sites at euchromatic loci induces heterochromatin assembly, with or without active RNAi. This synthetic heterochromatin completely substitutes for outer repeats on plasmid-based minichromosomes, promoting de novo CENP-A(Cnp1) and kinetochore assembly, to allow their mitotic segregation, even with RNAi inactive. Thus, the role of outer repeats in centromere establishment is simply the provision of RNAi substrates to direct heterochromatin formation; H3K9 methylation-dependent heterochromatin is alone sufficient to form functional centromeres.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2949999/" 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/PMC2949999/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kagansky, Alexander -- Folco, Hernan Diego -- Almeida, Ricardo -- Pidoux, Alison L -- Boukaba, Abdelhalim -- Simmer, Femke -- Urano, Takeshi -- Hamilton, Georgina L -- Allshire, Robin C -- 065061/Wellcome Trust/United Kingdom -- 065061/Z/Wellcome Trust/United Kingdom -- G0301153/Medical Research Council/United Kingdom -- G0301153(69173)/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2009 Jun 26;324(5935):1716-9. doi: 10.1126/science.1172026.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Centre for Cell Biology, School of Biological Sciences, The University of Edinburgh, 6.34 Swann Building, Edinburgh EH9 3JR, Scotland, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19556509" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Cell Cycle Proteins/metabolism ; Centromere/chemistry/*metabolism/ultrastructure ; *Chromatin Assembly and Disassembly ; Chromosomal Proteins, Non-Histone/metabolism ; Chromosome Segregation ; DNA-Binding Proteins/genetics/metabolism ; Heterochromatin/*metabolism ; Histones/metabolism ; Kinetochores/metabolism ; Methyltransferases/metabolism ; Mitosis ; *RNA Interference ; Recombinant Fusion Proteins/metabolism ; Saccharomyces cerevisiae Proteins/genetics/metabolism ; Schizosaccharomyces/genetics/*metabolism ; Schizosaccharomyces pombe Proteins/metabolism ; Transcription Factors/genetics/metabolism ; Transcription, Genetic
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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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    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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    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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    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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    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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    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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  • 37
    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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  • 38
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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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  • 39
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kampmann, Martin -- Blobel, Gunter -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1352-3. doi: 10.1126/science.1183690.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and The Rockefeller University, New York, NY 10065, USA. martin.kampmann@rockefeller.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965743" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Cryoelectron Microscopy ; Endoplasmic Reticulum/metabolism/ultrastructure ; Escherichia coli Proteins/chemistry/genetics/*metabolism/ultrastructure ; Gene Expression Regulation, Bacterial ; Membrane Proteins/chemistry/*metabolism/ultrastructure ; Operon ; Protein Biosynthesis ; Protein Multimerization ; Protein Sorting Signals ; Protein Transport ; Proteins/chemistry/*metabolism/ultrastructure ; RNA, Transfer/metabolism ; Ribosomes/*metabolism/ultrastructure ; Signal Recognition Particle/chemistry/metabolism/ultrastructure ; Transcription, Genetic ; Tryptophanase/chemistry/*genetics/metabolism
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  • 41
    Publication Date: 2009-12-19
    Description: Inward-rectifier potassium (K+) channels conduct K+ ions most efficiently in one direction, into the cell. Kir2 channels control the resting membrane voltage in many electrically excitable cells, and heritable mutations cause periodic paralysis and cardiac arrhythmia. We present the crystal structure of Kir2.2 from chicken, which, excluding the unstructured amino and carboxyl termini, is 90% identical to human Kir2.2. Crystals containing rubidium (Rb+), strontium (Sr2+), and europium (Eu3+) reveal binding sites along the ion conduction pathway that are both conductive and inhibitory. The sites correlate with extensive electrophysiological data and provide a structural basis for understanding rectification. The channel's extracellular surface, with large structured turrets and an unusual selectivity filter entryway, might explain the relative insensitivity of eukaryotic inward rectifiers to toxins. These same surface features also suggest a possible approach to the development of inhibitory agents specific to each member of the inward-rectifier K+ channel family.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2819303/" 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/PMC2819303/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tao, Xiao -- Avalos, Jose L -- Chen, Jiayun -- MacKinnon, Roderick -- P30 EB009998/EB/NIBIB NIH HHS/ -- R01 GM043949/GM/NIGMS NIH HHS/ -- R01 GM043949-10/GM/NIGMS NIH HHS/ -- R01 GM043949-11/GM/NIGMS NIH HHS/ -- R01 GM043949-12/GM/NIGMS NIH HHS/ -- R01 GM043949-13/GM/NIGMS NIH HHS/ -- R01 GM043949-14/GM/NIGMS NIH HHS/ -- R01 GM043949-15/GM/NIGMS NIH HHS/ -- R01 GM043949-16/GM/NIGMS NIH HHS/ -- R01 GM043949-17/GM/NIGMS NIH HHS/ -- R01 GM043949-18/GM/NIGMS NIH HHS/ -- R01 GM043949-19/GM/NIGMS NIH HHS/ -- R01 GM043949-20/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Dec 18;326(5960):1668-74. doi: 10.1126/science.1180310.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Neurobiology and Biophysics, Rockefeller University, Howard Hughes Medical Institute, 1230 York Avenue, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20019282" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Binding Sites ; Chickens ; Cloning, Molecular ; Crystallography, X-Ray ; Europium/metabolism ; Hydrogen Bonding ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Molecular Sequence Data ; Oocytes ; Patch-Clamp Techniques ; Potassium/metabolism ; Potassium Channel Blockers/pharmacology ; Potassium Channels, Inwardly Rectifying/antagonists & ; inhibitors/*chemistry/metabolism ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Subunits/chemistry ; Rubidium/metabolism ; Sequence Alignment ; Strontium/metabolism ; Xenopus laevis
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  • 42
    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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  • 43
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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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  • 44
    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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  • 45
    Publication Date: 2009-01-31
    Description: The molecular mechanism by which a mechanical stimulus is translated into a chemical response in biological systems is still unclear. We show that mechanical stretching of single cytoplasmic proteins can activate binding of other molecules. We used magnetic tweezers, total internal reflection fluorescence, and atomic force microscopy to investigate the effect of force on the interaction between talin, a protein that links liganded membrane integrins to the cytoskeleton, and vinculin, a focal adhesion protein that is activated by talin binding, leading to reorganization of the cytoskeleton. Application of physiologically relevant forces caused stretching of single talin rods that exposed cryptic binding sites for vinculin. Thus in the talin-vinculin system, molecular mechanotransduction can occur by protein binding after exposure of buried binding sites in the talin-vinculin system. Such protein stretching may be a more general mechanism for force transduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉del Rio, Armando -- Perez-Jimenez, Raul -- Liu, Ruchuan -- Roca-Cusachs, Pere -- Fernandez, Julio M -- Sheetz, Michael P -- New York, N.Y. -- Science. 2009 Jan 30;323(5914):638-41. doi: 10.1126/science.1162912.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, Columbia University, New York, NY 10027, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19179532" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Biophysical Phenomena ; Chickens ; Mechanotransduction, Cellular ; Microscopy, Fluorescence ; Models, Molecular ; Photobleaching ; Protein Binding ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Recombinant Proteins/chemistry/metabolism ; Talin/*chemistry/*metabolism ; Vinculin/*chemistry/*metabolism
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  • 46
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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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  • 47
    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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  • 48
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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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  • 49
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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〉Schwartz, Martin A -- New York, N.Y. -- Science. 2009 Jan 30;323(5914):588-9. doi: 10.1126/science.1169414.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Cardiovascular Research Center and Mellon Urological Cancer Research Institute, University of Virginia, Charlottesville, VA 22908, USA. maschwartz@virginia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19179515" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Cell Adhesion ; Fibronectins/chemistry/*metabolism ; Focal Adhesion Protein-Tyrosine Kinases/metabolism ; Humans ; Integrin alpha5beta1/chemistry/*metabolism ; *Mechanotransduction, Cellular ; Protein Binding ; Protein Folding ; Protein Structure, Tertiary ; Talin/chemistry/*metabolism ; Vinculin/*metabolism
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  • 50
    Publication Date: 2009-05-02
    Description: The plant hormone abscisic acid (ABA) acts as a developmental signal and as an integrator of environmental cues such as drought and cold. Key players in ABA signal transduction include the type 2C protein phosphatases (PP2Cs) ABI1 and ABI2, which act by negatively regulating ABA responses. In this study, we identify interactors of ABI1 and ABI2 which we have named regulatory components of ABA receptor (RCARs). In Arabidopsis, RCARs belong to a family with 14 members that share structural similarity with class 10 pathogen-related proteins. RCAR1 was shown to bind ABA, to mediate ABA-dependent inactivation of ABI1 or ABI2 in vitro, and to antagonize PP2C action in planta. Other RCARs also mediated ABA-dependent regulation of ABI1 and ABI2, consistent with a combinatorial assembly of receptor complexes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ma, Yue -- Szostkiewicz, Izabela -- Korte, Arthur -- Moes, Daniele -- Yang, Yi -- Christmann, Alexander -- Grill, Erwin -- New York, N.Y. -- Science. 2009 May 22;324(5930):1064-8. doi: 10.1126/science.1172408. Epub 2009 Apr 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lehrstuhl fur Botanik, Technische Universitat Munchen, Am Hochanger 4, D-85354 Freising, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19407143" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/*metabolism/pharmacology ; Amino Acid Sequence ; Arabidopsis/genetics/*metabolism/physiology ; Arabidopsis Proteins/antagonists & inhibitors/chemistry/genetics/*metabolism ; Binding Sites ; Carrier Proteins/chemistry/genetics/*metabolism ; Gene Expression Regulation, Plant ; Germination ; Molecular Sequence Data ; Phosphoprotein Phosphatases/antagonists & ; inhibitors/chemistry/genetics/*metabolism ; Plant Roots/growth & development ; Plant Stomata/physiology ; Plants, Genetically Modified ; Point Mutation ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Stereoisomerism ; Up-Regulation
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  • 51
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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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  • 52
    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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  • 53
    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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  • 54
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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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  • 55
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-12-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, Robert H -- New York, N.Y. -- Science. 2009 Dec 11;326(5959):1494-5. doi: 10.1126/science.1183842.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurology, Biochemistry and Molecular Pharmacology and Program in Neuroscience, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA. robert.brown@umassmed.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007892" target="_blank"〉PubMed〈/a〉
    Keywords: Amyotrophic Lateral Sclerosis/pathology/*physiopathology ; Animals ; Binding Sites ; Carrier Proteins/metabolism ; Disease Models, Animal ; Histone Deacetylases/metabolism ; Mice ; Mice, Transgenic ; MicroRNAs/genetics/*metabolism ; Muscle Cells/enzymology ; Muscle Denervation ; Muscle, Skeletal/innervation/metabolism ; Myostatin/genetics ; Neuromuscular Junction/*pathology/*physiology ; RNA Interference ; Sequence Analysis, RNA ; Signal Transduction
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  • 56
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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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  • 57
    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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    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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    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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    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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    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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    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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    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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  • 64
    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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    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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  • 67
    Publication Date: 2009-10-17
    Description: Chondroitin sulfate proteoglycans (CSPGs) present a barrier to axon regeneration. However, no specific receptor for the inhibitory effect of CSPGs has been identified. We showed that a transmembrane protein tyrosine phosphatase, PTPsigma, binds with high affinity to neural CSPGs. Binding involves the chondroitin sulfate chains and a specific site on the first immunoglobulin-like domain of PTPsigma. In culture, PTPsigma(-/-) neurons show reduced inhibition by CSPG. A PTPsigma fusion protein probe can detect cognate ligands that are up-regulated specifically at neural lesion sites. After spinal cord injury, PTPsigma gene disruption enhanced the ability of axons to penetrate regions containing CSPG. These results indicate that PTPsigma can act as a receptor for CSPGs and may provide new therapeutic approaches to neural regeneration.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2811318/" 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/PMC2811318/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shen, Yingjie -- Tenney, Alan P -- Busch, Sarah A -- Horn, Kevin P -- Cuascut, Fernando X -- Liu, Kai -- He, Zhigang -- Silver, Jerry -- Flanagan, John G -- R01 EY011559/EY/NEI NIH HHS/ -- R01 NS025713/NS/NINDS NIH HHS/ -- R37 HD029417/HD/NICHD NIH HHS/ -- R37 NS025713/NS/NINDS NIH HHS/ -- R37 NS025713-22/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 23;326(5952):592-6. doi: 10.1126/science.1178310. Epub 2009 Oct 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology and Program in Neuroscience, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19833921" target="_blank"〉PubMed〈/a〉
    Keywords: Aggrecans/metabolism ; Animals ; Astrocytes/metabolism ; Axons/physiology ; Binding Sites ; Cells, Cultured ; Chondroitin Sulfate Proteoglycans/chemistry/*metabolism ; Chondroitin Sulfates/metabolism ; Female ; Ganglia, Spinal/cytology/metabolism ; Ligands ; Mice ; *Nerve Regeneration ; Nerve Tissue Proteins/chemistry/*metabolism ; Neurites/physiology ; Neurons/*physiology ; Protein Binding ; Protein Interaction Domains and Motifs ; Proteoglycans/chemistry/*metabolism ; Receptor-Like Protein Tyrosine Phosphatases, Class ; 2/chemistry/genetics/*metabolism ; Recombinant Fusion Proteins/chemistry/metabolism ; Spinal Cord/metabolism/pathology ; Spinal Cord Injuries/*metabolism/pathology/physiopathology
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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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  • 69
    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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    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 71
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-04-11
    Description: Proteins mediate transmission of signals along intercellular and intracellular pathways and between the exterior and the interior of a cell. The dynamic properties of signaling proteins are crucial to their functions. We discuss emerging paradigms for the role of protein dynamics in signaling. A central tenet is that proteins fluctuate among many states on evolutionarily selected energy landscapes. Upstream signals remodel this landscape, causing signaling proteins to transmit information to downstream partners. New methods provide insight into the dynamic properties of signaling proteins at the atomic scale. The next stages in the signaling hierarchy-how multiple signals are integrated and how cellular signaling pathways are organized in space and time-present exciting challenges for the future, requiring bold multidisciplinary approaches.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2921701/" 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/PMC2921701/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smock, Robert G -- Gierasch, Lila M -- DP1 OD000945/OD/NIH HHS/ -- DP1 OD000945-03/OD/NIH HHS/ -- GM027616/GM/NIGMS NIH HHS/ -- OD000945/OD/NIH HHS/ -- R01 GM027616/GM/NIGMS NIH HHS/ -- R01 GM027616-30/GM/NIGMS NIH HHS/ -- T32 GM008515/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Apr 10;324(5924):198-203. doi: 10.1126/science.1169377.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Massachusetts, Amherst, MA 01003, USA. rsmock@student.umass.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19359576" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Intercellular Signaling Peptides and Proteins/*chemistry/*metabolism ; Intracellular Signaling Peptides and Proteins/antagonists & ; inhibitors/*chemistry/*metabolism ; Models, Molecular ; Motion ; PDZ Domains ; Protein Binding ; Protein Interaction Domains and Motifs ; Protein Multimerization ; Protein Structure, Tertiary ; *Signal Transduction ; Thermodynamics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 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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  • 73
    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
    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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  • 74
    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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  • 75
    Publication Date: 2009-11-26
    Description: The trimeric Sec61/SecY complex is a protein-conducting channel (PCC) for secretory and membrane proteins. Although Sec complexes can form oligomers, it has been suggested that a single copy may serve as an active PCC. We determined subnanometer-resolution cryo-electron microscopy structures of eukaryotic ribosome-Sec61 complexes. In combination with biochemical data, we found that in both idle and active states, the Sec complex is not oligomeric and interacts mainly via two cytoplasmic loops with the universal ribosomal adaptor site. In the active state, the ribosomal tunnel and a central pore of the monomeric PCC were occupied by the nascent chain, contacting loop 6 of the Sec complex. This provides a structural basis for the activity of a solitary Sec complex in cotranslational protein translocation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2920595/" 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/PMC2920595/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Becker, Thomas -- Bhushan, Shashi -- Jarasch, Alexander -- Armache, Jean-Paul -- Funes, Soledad -- Jossinet, Fabrice -- Gumbart, James -- Mielke, Thorsten -- Berninghausen, Otto -- Schulten, Klaus -- Westhof, Eric -- Gilmore, Reid -- Mandon, Elisabet C -- Beckmann, Roland -- GM35687/GM/NIGMS NIH HHS/ -- P41 RR005969/RR/NCRR NIH HHS/ -- P41 RR005969-19/RR/NCRR NIH HHS/ -- P41-RR05969/RR/NCRR NIH HHS/ -- R01-GM067887/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Dec 4;326(5958):1369-73. doi: 10.1126/science.1178535. Epub 2009 Oct 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gene Center Munich and Center for Integrated Protein Science, Department of Chemistry and Biochemistry, Ludwig-Maximilians-Universitat Munchen, Feodor-Lynen-Strasse 25, 81377 Munich, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19933108" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Cryoelectron Microscopy ; Dogs ; Image Processing, Computer-Assisted ; Membrane Proteins/*chemistry/*metabolism/ultrastructure ; Models, Molecular ; *Protein Biosynthesis ; Protein Conformation ; Protein Multimerization ; Protein Structure, Secondary ; *Protein Transport ; Proteins/chemistry/*metabolism/ultrastructure ; Ribosomes/*metabolism/ultrastructure ; Saccharomyces cerevisiae Proteins/*chemistry/*metabolism/ultrastructure
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  • 76
    Publication Date: 2009-12-08
    Description: The site on HIV-1 gp120 that binds to the CD4 receptor is vulnerable to antibodies. However, most antibodies that interact with this site cannot neutralize HIV-1. To understand the basis of this resistance, we determined co-crystal structures for two poorly neutralizing, CD4-binding site (CD4BS) antibodies, F105 and b13, in complexes with gp120. Both antibodies exhibited approach angles to gp120 similar to those of CD4 and a rare, broadly neutralizing CD4BS antibody, b12. Slight differences in recognition, however, resulted in substantial differences in F105- and b13-bound conformations relative to b12-bound gp120. Modeling and binding experiments revealed these conformations to be poorly compatible with the viral spike. This incompatibility, the consequence of slight differences in CD4BS recognition, renders HIV-1 resistant to all but the most accurately targeted antibodies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2862588/" 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/PMC2862588/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Lei -- Kwon, Young Do -- Zhou, Tongqing -- Wu, Xueling -- O'Dell, Sijy -- Cavacini, Lisa -- Hessell, Ann J -- Pancera, Marie -- Tang, Min -- Xu, Ling -- Yang, Zhi-Yong -- Zhang, Mei-Yun -- Arthos, James -- Burton, Dennis R -- Dimitrov, Dimiter S -- Nabel, Gary J -- Posner, Marshall R -- Sodroski, Joseph -- Wyatt, Richard -- Mascola, John R -- Kwong, Peter D -- Z99 AI999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2009 Nov 20;326(5956):1123-7. doi: 10.1126/science.1175868.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965434" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antibodies, Neutralizing/chemistry/*immunology/metabolism ; Antigens, CD4/chemistry/*metabolism ; Binding Sites ; Binding Sites, Antibody ; Crystallography, X-Ray ; Epitopes ; HIV Antibodies/*chemistry/*immunology/metabolism ; HIV Envelope Protein gp120/*chemistry/*immunology/metabolism ; Hiv-1 ; Humans ; Hydrophobic and Hydrophilic Interactions ; *Immune Evasion ; Models, Molecular ; Molecular Sequence Data ; Peptide Fragments/chemistry/immunology/metabolism ; Protein Conformation
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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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    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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    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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  • 80
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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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  • 81
    Publication Date: 2009-04-25
    Description: CRM1 mediates nuclear export of numerous unrelated cargoes, which may carry a short leucine-rich nuclear export signal or export signatures that include folded domains. How CRM1 recognizes such a variety of cargoes has been unknown up to this point. Here we present the crystal structure of the SPN1.CRM1.RanGTP export complex at 2.5 angstrom resolution (where SPN1 is snurportin1 and RanGTP is guanosine 5' triphosphate-bound Ran). SPN1 is a nuclear import adapter for cytoplasmically assembled, m(3)G-capped spliceosomal U snRNPs (small nuclear ribonucleoproteins). The structure shows how CRM1 can specifically return the cargo-free form of SPN1 to the cytoplasm. The extensive contact area includes five hydrophobic residues at the SPN1 amino terminus that dock into a hydrophobic cleft of CRM1, as well as numerous hydrophilic contacts of CRM1 to m(3)G cap-binding domain and carboxyl-terminal residues of SPN1. The structure suggests that RanGTP promotes cargo-binding to CRM1 solely through long-range conformational changes in the exportin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Monecke, Thomas -- Guttler, Thomas -- Neumann, Piotr -- Dickmanns, Achim -- Gorlich, Dirk -- Ficner, Ralf -- New York, N.Y. -- Science. 2009 May 22;324(5930):1087-91. doi: 10.1126/science.1173388. Epub 2009 Apr 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Abteilung fur Molekulare Strukturbiologie, Institut fur Mikrobiologie und Genetik, GZMB, Georg-August-Universitat Gottingen, Justus-von-Liebig-Weg 11, 37077 Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19389996" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Crystallography, X-Ray ; Guanosine Triphosphate/metabolism ; Humans ; Hydrophobic and Hydrophilic Interactions ; Karyopherins/*chemistry/metabolism ; Mice ; Models, Molecular ; Protein Binding ; Protein Conformation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; RNA Cap-Binding Proteins/*chemistry/metabolism ; Receptors, Cytoplasmic and Nuclear/*chemistry/metabolism ; beta Karyopherins/metabolism ; ran GTP-Binding Protein/*chemistry/metabolism
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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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  • 83
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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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  • 84
    Publication Date: 2009-03-17
    Description: Transcriptional feedback loops constitute the molecular circuitry of the plant circadian clock. In Arabidopsis, a core loop is established between CCA1 and TOC1. Although CCA1 directly represses TOC1, the TOC1 protein has no DNA binding domains, which suggests that it cannot directly regulate CCA1. We established a functional genomic strategy that led to the identification of CHE, a TCP transcription factor that binds specifically to the CCA1 promoter. CHE is a clock component partially redundant with LHY in the repression of CCA1. The expression of CHE is regulated by CCA1, thus adding a CCA1/CHE feedback loop to the Arabidopsis circadian network. Because CHE and TOC1 interact, and CHE binds to the CCA1 promoter, a molecular linkage between TOC1 and CCA1 gene regulation is established.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4259050/" 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/PMC4259050/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pruneda-Paz, Jose L -- Breton, Ghislain -- Para, Alessia -- Kay, Steve A -- GM56006/GM/NIGMS NIH HHS/ -- GM67837/GM/NIGMS NIH HHS/ -- R01 GM056006/GM/NIGMS NIH HHS/ -- R01 GM067837/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2009 Mar 13;323(5920):1481-5. doi: 10.1126/science.1167206.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Cell and Developmental Biology, Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19286557" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis/genetics/metabolism/*physiology ; Arabidopsis Proteins/chemistry/*genetics/*metabolism ; Binding Sites ; Biological Clocks/*genetics ; Cell Nucleus/metabolism ; Circadian Rhythm/*genetics ; DNA-Binding Proteins/genetics/metabolism ; Feedback, Physiological ; *Gene Expression Regulation, Plant ; Genes, Plant ; Genomics ; Molecular Sequence Data ; Plants, Genetically Modified ; Promoter Regions, Genetic ; Repressor Proteins/chemistry/*genetics/*metabolism ; Transcription Factors/*genetics/metabolism ; Transcription, Genetic
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  • 85
    Publication Date: 2009-06-06
    Description: Von Willebrand factor (VWF) is secreted as ultralarge multimers that are cleaved in the A2 domain by the metalloprotease ADAMTS13 to give smaller multimers. Cleaved VWF is activated by hydrodynamic forces found in arteriolar bleeding to promote hemostasis, whereas uncleaved VWF is activated at lower, physiologic shear stresses and causes thrombosis. Single-molecule experiments demonstrate that elongational forces in the range experienced by VWF in the vasculature unfold the A2 domain, and only the unfolded A2 domain is cleaved by ADAMTS13. In shear flow, tensile force on a VWF multimer increases with the square of multimer length and is highest at the middle, providing an efficient mechanism for homeostatic regulation of VWF size distribution by force-induced A2 unfolding and cleavage by ADAMTS13, as well as providing a counterbalance for VWF-mediated platelet aggregation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2753189/" 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/PMC2753189/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Xiaohui -- Halvorsen, Kenneth -- Zhang, Cheng-Zhong -- Wong, Wesley P -- Springer, Timothy A -- HL-48675/HL/NHLBI NIH HHS/ -- P01 HL048675/HL/NHLBI NIH HHS/ -- P01 HL048675-16/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2009 Jun 5;324(5932):1330-4. doi: 10.1126/science.1170905.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Immune Disease Institute, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498171" target="_blank"〉PubMed〈/a〉
    Keywords: ADAM Proteins/*metabolism ; Binding Sites ; Blood Coagulation/physiology ; *Hemostasis ; Humans ; Kinetics ; *Mechanical Phenomena ; Optical Tweezers ; Platelet Aggregation ; Protein Conformation ; Protein Folding ; Protein Multimerization ; Protein Structure, Tertiary ; Stress, Mechanical ; Thermodynamics ; von Willebrand Factor/*chemistry/*metabolism
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  • 86
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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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  • 87
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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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  • 88
    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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  • 89
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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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  • 90
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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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  • 91
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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
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  • 92
    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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  • 93
    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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  • 94
    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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  • 95
    Publication Date: 2009-12-08
    Description: The respiratory syncytial virus (RSV) is an important human pathogen, yet neither a vaccine nor effective therapies are available to treat infection. To help elucidate the replication mechanism of this RNA virus, we determined the three-dimensional (3D) crystal structure at 3.3 A resolution of a decameric, annular ribonucleoprotein complex of the RSV nucleoprotein (N) bound to RNA. This complex mimics one turn of the viral helical nucleocapsid complex, which serves as template for viral RNA synthesis. The RNA wraps around the protein ring, with seven nucleotides contacting each N subunit, alternating rows of four and three stacked bases that are exposed and buried within a protein groove, respectively. Combined with electron microscopy data, this structure provides a detailed model for the RSV nucleocapsid, in which the bases are accessible for readout by the viral polymerase. Furthermore, the nucleoprotein structure highlights possible key sites for drug targeting.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tawar, Rajiv G -- Duquerroy, Stephane -- Vonrhein, Clemens -- Varela, Paloma F -- Damier-Piolle, Laurence -- Castagne, Nathalie -- MacLellan, Kirsty -- Bedouelle, Hugues -- Bricogne, Gerard -- Bhella, David -- Eleouet, Jean-Francois -- Rey, Felix A -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1279-83. doi: 10.1126/science.1177634.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Pasteur, Unite de Virologie Structurale, Departement de Virologie and CNRS Unite de Recherche Associee (URA) 3015, 25 Rue du Dr Roux, 75724 Paris Cedex 15, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965480" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Cryoelectron Microscopy ; Crystallography, X-Ray ; Image Processing, Computer-Assisted ; Models, Molecular ; Molecular Sequence Data ; Nucleic Acid Conformation ; Nucleocapsid Proteins/*chemistry/metabolism ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; RNA, Viral/*chemistry/metabolism ; Respiratory Syncytial Viruses/*chemistry/metabolism
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  • 96
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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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  • 97
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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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  • 98
    Publication Date: 2009-06-06
    Description: Since Darwin, intergroup hostilities have figured prominently in explanations of the evolution of human social behavior. Yet whether ancestral humans were largely "peaceful" or "warlike" remains controversial. I ask a more precise question: If more cooperative groups were more likely to prevail in conflicts with other groups, was the level of intergroup violence sufficient to influence the evolution of human social behavior? Using a model of the evolutionary impact of between-group competition and a new data set that combines archaeological evidence on causes of death during the Late Pleistocene and early Holocene with ethnographic and historical reports on hunter-gatherer populations, I find that the estimated level of mortality in intergroup conflicts would have had substantial effects, allowing the proliferation of group-beneficial behaviors that were quite costly to the individual altruist.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowles, Samuel -- New York, N.Y. -- Science. 2009 Jun 5;324(5932):1293-8. doi: 10.1126/science.1168112.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501, USA. samuel.bowles@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19498163" target="_blank"〉PubMed〈/a〉
    Keywords: *Altruism ; Anthropology, Cultural ; Archaeology ; *Biological Evolution ; Cooperative Behavior ; *Cultural Evolution ; Female ; Genetic Variation ; Humans ; Male ; Microsatellite Repeats ; Models, Theoretical ; *Social Behavior ; *Warfare
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  • 99
    Publication Date: 2009-12-17
    Description: Characterizing the evolutionary history of early dinosaurs is central to understanding their rise and diversification in the Late Triassic. However, fossils from basal lineages are rare. A new theropod dinosaur from New Mexico is a representative of the early North American diversification. Known from several nearly complete skeletons, it reveals a mosaic of plesiomorphic and derived features that clarify early saurischian dinosaur evolution and provide evidence for the antiquity of novel avian character systems including skeletal pneumaticity. The taxon further reveals latitudinal differences among saurischian assemblages during the Late Triassic, demonstrates that the theropod fauna from the Late Triassic of North America was not endemic, and suggests that intercontinental dispersal was prevalent during this time.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nesbitt, Sterling J -- Smith, Nathan D -- Irmis, Randall B -- Turner, Alan H -- Downs, Alex -- Norell, Mark A -- New York, N.Y. -- Science. 2009 Dec 11;326(5959):1530-3. doi: 10.1126/science.1180350.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Paleontology, American Museum of Natural History, New York, NY 10024, USA. nesbitt@jsg.utexas.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007898" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bone and Bones/*anatomy & histology ; Bones of Lower Extremity/anatomy & histology ; Bones of Upper Extremity/anatomy & histology ; *Dinosaurs/anatomy & histology/classification ; *Fossils ; New Mexico ; Phylogeny ; Skeleton ; Skull/anatomy & histology ; Spine/anatomy & histology
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  • 100
    Publication Date: 2009-08-22
    Description: Elongation factor P (EF-P) is an essential protein that stimulates the formation of the first peptide bond in protein synthesis. Here we report the crystal structure of EF-P bound to the Thermus thermophilus 70S ribosome along with the initiator transfer RNA N-formyl-methionyl-tRNA(i) (fMet-tRNA(i)(fMet)) and a short piece of messenger RNA (mRNA) at a resolution of 3.5 angstroms. EF-P binds to a site located between the binding site for the peptidyl tRNA (P site) and the exiting tRNA (E site). It spans both ribosomal subunits with its amino-terminal domain positioned adjacent to the aminoacyl acceptor stem and its carboxyl-terminal domain positioned next to the anticodon stem-loop of the P site-bound initiator tRNA. Domain II of EF-P interacts with the ribosomal protein L1, which results in the largest movement of the L1 stalk that has been observed in the absence of ratcheting of the ribosomal subunits. EF-P facilitates the proper positioning of the fMet-tRNA(i)(fMet) for the formation of the first peptide bond during translation initiation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3296453/" 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/PMC3296453/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blaha, Gregor -- Stanley, Robin E -- Steitz, Thomas A -- GM22778/GM/NIGMS NIH HHS/ -- P01 GM022778/GM/NIGMS NIH HHS/ -- P01 GM022778-36/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2009 Aug 21;325(5943):966-70. doi: 10.1126/science.1175800.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biophysics, Yale University, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19696344" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/chemistry/metabolism ; Binding Sites ; Crystallography, X-Ray ; Models, Molecular ; *Peptide Chain Initiation, Translational ; Peptide Elongation Factors/*chemistry/*metabolism ; Protein Conformation ; Protein Structure, Tertiary ; RNA, Bacterial/chemistry/metabolism ; RNA, Messenger/chemistry/metabolism ; RNA, Transfer, Met/chemistry/metabolism ; Ribosomal Proteins/metabolism ; Ribosome Subunits, Large, Bacterial/metabolism ; Ribosome Subunits, Small, Bacterial/metabolism ; Ribosomes/*metabolism ; Thermus thermophilus/chemistry/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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