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  • Molecular Sequence Data  (65)
  • *Climate Change  (50)
  • American Association for the Advancement of Science (AAAS)  (115)
  • Elsevier
  • 2010-2014  (115)
  • 1980-1984
  • 1925-1929
  • 2013  (115)
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  • 2010-2014  (115)
  • 1980-1984
  • 1925-1929
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  • 1
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    Genetic and molecular basis of drug resistance and species-specific drug action in schistosome parasites (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-23
    Description: Oxamniquine resistance evolved in the human blood fluke (Schistosoma mansoni) in Brazil in the 1970s. We crossed parental parasites differing ~500-fold in drug response, determined drug sensitivity and marker segregation in clonally derived second-generation progeny, and identified a single quantitative trait locus (logarithm of odds = 31) on chromosome 6. A sulfotransferase was identified as the causative gene by using RNA interference knockdown and biochemical complementation assays, and we subsequently demonstrated independent origins of loss-of-function mutations in field-derived and laboratory-selected resistant parasites. These results demonstrate the utility of linkage mapping in a human helminth parasite, while crystallographic analyses of protein-drug interactions illuminate the mode of drug action and provide a framework for rational design of oxamniquine derivatives that kill both S. mansoni and S. haematobium, the two species responsible for 〉99% of schistosomiasis cases worldwide.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4136436/" 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/PMC4136436/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Valentim, Claudia L L -- Cioli, Donato -- Chevalier, Frederic D -- Cao, Xiaohang -- Taylor, Alexander B -- Holloway, Stephen P -- Pica-Mattoccia, Livia -- Guidi, Alessandra -- Basso, Annalisa -- Tsai, Isheng J -- Berriman, Matthew -- Carvalho-Queiroz, Claudia -- Almeida, Marcio -- Aguilar, Hector -- Frantz, Doug E -- Hart, P John -- LoVerde, Philip T -- Anderson, Timothy J C -- 098051/Wellcome Trust/United Kingdom -- 5R21-AI072704/AI/NIAID NIH HHS/ -- 5R21-AI096277/AI/NIAID NIH HHS/ -- C06 RR013556/RR/NCRR NIH HHS/ -- HHSN272201000005I/PHS HHS/ -- R01 AI097576/AI/NIAID NIH HHS/ -- R01-AI097576/AI/NIAID NIH HHS/ -- R21 AI072704/AI/NIAID NIH HHS/ -- R21 AI096277/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1385-9. doi: 10.1126/science.1243106. Epub 2013 Nov 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Biochemistry and Pathology, University of Texas Health Science Center, San Antonio, TX 78229, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24263136" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Drug Resistance/*genetics ; Gene Knockdown Techniques ; Genetic Linkage ; Helminth Proteins/*genetics ; Humans ; Molecular Sequence Data ; Mutation ; Oxamniquine/*pharmacology ; Phylogeny ; Protein Conformation ; Quantitative Trait Loci ; RNA Interference ; Schistosoma mansoni/*drug effects/*genetics ; Schistosomicides/*pharmacology ; Sulfotransferases/chemistry/classification/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Stepwise evolution of essential centromere function in a Drosophila neogene (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-08
    Description: Evolutionarily young genes that serve essential functions represent a paradox; they must perform a function that either was not required until after their birth or was redundant with another gene. How young genes rapidly acquire essential function is largely unknown. We traced the evolutionary steps by which the Drosophila gene Umbrea acquired an essential role in chromosome segregation in D. melanogaster since the gene's origin less than 15 million years ago. Umbrea neofunctionalization occurred via loss of an ancestral heterochromatin-localizing domain, followed by alterations that rewired its protein interaction network and led to species-specific centromere localization. Our evolutionary cell biology approach provides temporal and mechanistic detail about how young genes gain essential function. Such innovations may constantly alter the repertoire of centromeric proteins in eukaryotes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4119826/" 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/PMC4119826/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ross, Benjamin D -- Rosin, Leah -- Thomae, Andreas W -- Hiatt, Mary Alice -- Vermaak, Danielle -- de la Cruz, Aida Flor A -- Imhof, Axel -- Mellone, Barbara G -- Malik, Harmit S -- R01 GM074108/GM/NIGMS NIH HHS/ -- R01GM074108/GM/NIGMS NIH HHS/ -- T32HG000035/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Jun 7;340(6137):1211-4. doi: 10.1126/science.1234393.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular and Cellular Biology Program, University of Washington, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23744945" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Centromere/genetics/*physiology ; Chromosomal Proteins, Non-Histone/*genetics ; Drosophila/*genetics ; Drosophila Proteins/*genetics ; *Evolution, Molecular ; Gene Duplication ; Genes, Insect/*physiology ; Molecular Sequence Data
    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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    FtsZ protofilaments use a hinge-opening mechanism for constrictive force generation (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-28
    Description: The essential bacterial protein FtsZ is a guanosine triphosphatase that self-assembles into a structure at the division site termed the "Z ring". During cytokinesis, the Z ring exerts a constrictive force on the membrane by using the chemical energy of guanosine triphosphate hydrolysis. However, the structural basis of this constriction remains unresolved. Here, we present the crystal structure of a guanosine diphosphate-bound Mycobacterium tuberculosis FtsZ protofilament, which exhibits a curved conformational state. The structure reveals a longitudinal interface that is important for function. The protofilament curvature highlights a hydrolysis-dependent conformational switch at the T3 loop that leads to longitudinal bending between subunits, which could generate sufficient force to drive cytokinesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816583/" 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/PMC3816583/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Ying -- Hsin, Jen -- Zhao, Lingyun -- Cheng, Yiwen -- Shang, Weina -- Huang, Kerwyn Casey -- Wang, Hong-Wei -- Ye, Sheng -- 1F32GM100677-01A1/GM/NIGMS NIH HHS/ -- DP2 OD006466/OD/NIH HHS/ -- DP2OD006466/OD/NIH HHS/ -- F32 GM100677/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):392-5. doi: 10.1126/science.1239248.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Life Sciences Institute, Zhejiang University, Hangzhou, 310058 Zhejiang, P.R. China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23888039" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/*chemistry/genetics/*metabolism ; Cell Membrane/physiology ; Crystallography, X-Ray ; *Cytokinesis ; Cytoskeletal Proteins/*chemistry/genetics/*metabolism ; Escherichia coli/chemistry ; Guanosine Diphosphate/chemistry/metabolism ; Guanosine Triphosphate/metabolism ; Hydrolysis ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Molecular Dynamics Simulation ; Molecular Sequence Data ; Mycobacterium tuberculosis/*chemistry/physiology ; Point Mutation ; Protein Conformation ; Protein Multimerization ; Protein Subunits/chemistry/metabolism ; Staphylococcus aureus/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Voltage-gated sodium channel in grasshopper mice defends against bark scorpion toxin (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-26
    Description: Painful venoms are used to deter predators. Pain itself, however, can signal damage and thus serves an important adaptive function. Evolution to reduce general pain responses, although valuable for preying on venomous species, is rare, likely because it comes with the risk of reduced response to tissue damage. Bark scorpions capitalize on the protective pain pathway of predators by inflicting intensely painful stings. However, grasshopper mice regularly attack and consume bark scorpions, grooming only briefly when stung. Bark scorpion venom induces pain in many mammals (house mice, rats, humans) by activating the voltage-gated Na(+) channel Nav1.7, but has no effect on Nav1.8. Grasshopper mice Nav1.8 has amino acid variants that bind bark scorpion toxins and inhibit Na(+) currents, blocking action potential propagation and inducing analgesia. Thus, grasshopper mice have solved the predator-pain problem by using a toxin bound to a nontarget channel to block transmission of the pain signals the venom itself is initiating.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4172297/" 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/PMC4172297/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rowe, Ashlee H -- Xiao, Yucheng -- Rowe, Matthew P -- Cummins, Theodore R -- Zakon, Harold H -- NS 053422/NS/NINDS NIH HHS/ -- R01 NS053422/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):441-6. doi: 10.1126/science.1236451.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Neurobiology, The University of Texas at Austin, Austin, TX 78712, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159039" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials/drug effects/physiology ; Amino Acid Sequence ; Animals ; Arvicolinae/*metabolism ; *Food Chain ; Formaldehyde/pharmacology ; Mice ; Molecular Sequence Data ; NAV1.7 Voltage-Gated Sodium Channel/chemistry/genetics/*metabolism ; NAV1.8 Voltage-Gated Sodium Channel/chemistry/genetics/*metabolism ; Pain/chemically induced/*metabolism ; *Predatory Behavior ; Protein Structure, Tertiary ; Scorpion Venoms
    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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    Deciphering the glycosylome of dystroglycanopathies using haploid screens for lassa virus entry (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-23
    Description: Glycosylated alpha-dystroglycan (alpha-DG) serves as cellular entry receptor for multiple pathogens, and defects in its glycosylation cause hereditary Walker-Warburg syndrome (WWS). At least eight proteins are critical to glycosylate alpha-DG, but many genes mutated in WWS remain unknown. To identify modifiers of alpha-DG, we performed a haploid screen for Lassa virus entry, a hemorrhagic fever virus causing thousands of deaths annually that hijacks glycosylated alpha-DG to enter cells. In complementary screens, we profiled cells for absence of alpha-DG carbohydrate chains or biochemically related glycans. This revealed virus host factors and a suite of glycosylation units, including all known Walker-Warburg genes and five additional factors critical for the modification of alpha-DG. Our findings accentuate the complexity of this posttranslational feature and point out genes defective in dystroglycanopathies.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3919138/" 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/PMC3919138/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jae, Lucas T -- Raaben, Matthijs -- Riemersma, Moniek -- van Beusekom, Ellen -- Blomen, Vincent A -- Velds, Arno -- Kerkhoven, Ron M -- Carette, Jan E -- Topaloglu, Haluk -- Meinecke, Peter -- Wessels, Marja W -- Lefeber, Dirk J -- Whelan, Sean P -- van Bokhoven, Hans -- Brummelkamp, Thijn R -- AI057159/AI/NIAID NIH HHS/ -- AI081842/AI/NIAID NIH HHS/ -- R01 AI081842/AI/NIAID NIH HHS/ -- U54 AI057159/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2013 Apr 26;340(6131):479-83. doi: 10.1126/science.1233675. Epub 2013 Mar 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23519211" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Line ; Dystroglycans/*metabolism ; Female ; Glycosylation ; Haploidy ; Host-Pathogen Interactions/*genetics ; Humans ; Infant ; Lassa Fever/*genetics/virology ; Lassa virus/*physiology ; Male ; Membrane Proteins/*genetics ; Molecular Sequence Data ; Mutation ; Pedigree ; Proteome/*metabolism ; *Virus Internalization ; Walker-Warburg Syndrome/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Varied response of western Pacific hydrology to climate forcings over the last glacial period (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-08
    Description: Atmospheric deep convection in the west Pacific plays a key role in the global heat and moisture budgets, yet its response to orbital and abrupt climate change events is poorly resolved. Here, we present four absolutely dated, overlapping stalagmite oxygen isotopic records from northern Borneo that span most of the last glacial cycle. The records suggest that northern Borneo's hydroclimate shifted in phase with precessional forcing but was only weakly affected by glacial-interglacial changes in global climate boundary conditions. Regional convection likely decreased during Heinrich events, but other Northern Hemisphere abrupt climate change events are notably absent. The new records suggest that the deep tropical Pacific hydroclimate variability may have played an important role in shaping the global response to the largest abrupt climate change events.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carolin, Stacy A -- Cobb, Kim M -- Adkins, Jess F -- Clark, Brian -- Conroy, Jessica L -- Lejau, Syria -- Malang, Jenny -- Tuen, Andrew A -- New York, N.Y. -- Science. 2013 Jun 28;340(6140):1564-6. doi: 10.1126/science.1233797. Epub 2013 Jun 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA. stacy.carolin@gatech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23744779" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere ; Borneo ; *Climate Change ; Convection ; *Ice Cover ; Oxygen Isotopes/analysis ; Pacific Ocean ; *Tropical Climate
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    The genome of the ctenophore Mnemiopsis leidyi and its implications for cell type evolution (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-18
    Description: An understanding of ctenophore biology is critical for reconstructing events that occurred early in animal evolution. Toward this goal, we have sequenced, assembled, and annotated the genome of the ctenophore Mnemiopsis leidyi. Our phylogenomic analyses of both amino acid positions and gene content suggest that ctenophores rather than sponges are the sister lineage to all other animals. Mnemiopsis lacks many of the genes found in bilaterian mesodermal cell types, suggesting that these cell types evolved independently. The set of neural genes in Mnemiopsis is similar to that of sponges, indicating that sponges may have lost a nervous system. These results present a newly supported view of early animal evolution that accounts for major losses and/or gains of sophisticated cell types, including nerve and muscle cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3920664/" 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/PMC3920664/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ryan, Joseph F -- Pang, Kevin -- Schnitzler, Christine E -- Nguyen, Anh-Dao -- Moreland, R Travis -- Simmons, David K -- Koch, Bernard J -- Francis, Warren R -- Havlak, Paul -- NISC Comparative Sequencing Program -- Smith, Stephen A -- Putnam, Nicholas H -- Haddock, Steven H D -- Dunn, Casey W -- Wolfsberg, Tyra G -- Mullikin, James C -- Martindale, Mark Q -- Baxevanis, Andreas D -- ZIA HG000140-13/Intramural NIH HHS/ -- ZIA HG000140-14/Intramural NIH HHS/ -- ZIA HG000140-15/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1242592. doi: 10.1126/science.1242592.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genome Technology Branch, Division of Intramural Research, National Human Genome Research Institute, 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/24337300" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Evolution ; Cell Lineage/*genetics ; Ctenophora/classification/*cytology/*genetics ; *Genome ; Mesoderm/cytology ; Molecular Sequence Data ; Muscle Development/genetics ; Neurogenesis/genetics ; Phylogeny
    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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  • 8
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    Environmental science. Water in the balance (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Famiglietti, James S -- Rodell, Matthew -- New York, N.Y. -- Science. 2013 Jun 14;340(6138):1300-1. doi: 10.1126/science.1236460.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UC Center for Hydrologic Modeling, University of California, Irvine, CA 92697, USA. jfamigli@uci.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23766323" target="_blank"〉PubMed〈/a〉
    Keywords: Agricultural Irrigation ; *Climate Change ; Environmental Monitoring/*methods ; Floods ; Germany ; *Groundwater ; United States ; *Water Supply
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Identification of wheat gene Sr35 that confers resistance to Ug99 stem rust race group (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-03
    Description: Wheat stem rust, caused by Puccinia graminis f. sp. tritici (Pgt), is a devastating disease that can cause severe yield losses. A previously uncharacterized Pgt race, designated Ug99, has overcome most of the widely used resistance genes and is threatening major wheat production areas. Here, we demonstrate that the Sr35 gene from Triticum monococcum is a coiled-coil, nucleotide-binding, leucine-rich repeat gene that confers near immunity to Ug99 and related races. This gene is absent in the A-genome diploid donor and in polyploid wheat but is effective when transferred from T. monococcum to polyploid wheat. The cloning of Sr35 opens the door to the use of biotechnological approaches to control this devastating disease and to analyses of the molecular interactions that define the wheat-rust pathosystem.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4748951/" 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/PMC4748951/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saintenac, Cyrille -- Zhang, Wenjun -- Salcedo, Andres -- Rouse, Matthew N -- Trick, Harold N -- Akhunov, Eduard -- Dubcovsky, Jorge -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Aug 16;341(6147):783-6. doi: 10.1126/science.1239022. Epub 2013 Jun 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Pathology, Kansas State University, Manhattan, KS 66506, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23811222" target="_blank"〉PubMed〈/a〉
    Keywords: Alternative Splicing ; Amino Acid Sequence ; *Basidiomycota/pathogenicity ; Cloning, Molecular ; Disease Resistance/genetics ; *Genes, Plant ; Haplotypes ; Molecular Sequence Annotation ; Molecular Sequence Data ; Mutation ; Phylogeny ; Plant Diseases/genetics/*immunology/microbiology ; Plant Proteins/chemistry/genetics ; Plant Stems/microbiology ; Plants, Genetically Modified ; Polymorphism, Single Nucleotide ; Polyploidy ; Sequence Analysis, DNA ; Triticum/*genetics/immunology/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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  • 10
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    Influence of HLA-C expression level on HIV control (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-06
    Description: A variant upstream of human leukocyte antigen C (HLA-C) shows the most significant genome-wide effect on HIV control in European Americans and is also associated with the level of HLA-C expression. We characterized the differential cell surface expression levels of all common HLA-C allotypes and tested directly for effects of HLA-C expression on outcomes of HIV infection in 5243 individuals. Increasing HLA-C expression was associated with protection against multiple outcomes independently of individual HLA allelic effects in both African and European Americans, regardless of their distinct HLA-C frequencies and linkage relationships with HLA-B and HLA-A. Higher HLA-C expression was correlated with increased likelihood of cytotoxic T lymphocyte responses and frequency of viral escape mutation. In contrast, high HLA-C expression had a deleterious effect in Crohn's disease, suggesting a broader influence of HLA expression levels in human disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3784322/" 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/PMC3784322/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Apps, Richard -- Qi, Ying -- Carlson, Jonathan M -- Chen, Haoyan -- Gao, Xiaojiang -- Thomas, Rasmi -- Yuki, Yuko -- Del Prete, Greg Q -- Goulder, Philip -- Brumme, Zabrina L -- Brumme, Chanson J -- John, Mina -- Mallal, Simon -- Nelson, George -- Bosch, Ronald -- Heckerman, David -- Stein, Judy L -- Soderberg, Kelly A -- Moody, M Anthony -- Denny, Thomas N -- Zeng, Xue -- Fang, Jingyuan -- Moffett, Ashley -- Lifson, Jeffrey D -- Goedert, James J -- Buchbinder, Susan -- Kirk, Gregory D -- Fellay, Jacques -- McLaren, Paul -- Deeks, Steven G -- Pereyra, Florencia -- Walker, Bruce -- Michael, Nelson L -- Weintrob, Amy -- Wolinsky, Steven -- Liao, Wilson -- Carrington, Mary -- 5-M01-RR-00722/RR/NCRR NIH HHS/ -- HHSN261200800001E/CA/NCI NIH HHS/ -- HHSN261200800001E/PHS HHS/ -- K08 AR057763/AR/NIAMS NIH HHS/ -- K08AR057763/AR/NIAMS NIH HHS/ -- K24 AI069994/AI/NIAID NIH HHS/ -- K24AI069994/AI/NIAID NIH HHS/ -- N02-CP-55504/CP/NCI NIH HHS/ -- P30 AI027763/AI/NIAID NIH HHS/ -- P30 AI027767/AI/NIAID NIH HHS/ -- P30 AI027767-24/AI/NIAID NIH HHS/ -- P30 MH62246/MH/NIMH NIH HHS/ -- PG/09/077/27964/British Heart Foundation/United Kingdom -- R01 AI046995/AI/NIAID NIH HHS/ -- R01 AI060460/AI/NIAID NIH HHS/ -- R01 AI087145/AI/NIAID NIH HHS/ -- R01 AR065174/AR/NIAMS NIH HHS/ -- R01-AI046995/AI/NIAID NIH HHS/ -- R01-AI060460/AI/NIAID NIH HHS/ -- R01-DA-04334/DA/NIDA NIH HHS/ -- R01-DA-12568/DA/NIDA NIH HHS/ -- R01-DA04334/DA/NIDA NIH HHS/ -- R01-DA12568/DA/NIDA NIH HHS/ -- R24 AI067039/AI/NIAID NIH HHS/ -- U01-AI-067854/AI/NIAID NIH HHS/ -- U01-AI-35039/AI/NIAID NIH HHS/ -- U01-AI-35040/AI/NIAID NIH HHS/ -- U01-AI-35041/AI/NIAID NIH HHS/ -- U01-AI-35042/AI/NIAID NIH HHS/ -- U01-AI-35043/AI/NIAID NIH HHS/ -- U01-AI-37613/AI/NIAID NIH HHS/ -- U01-AI-37984/AI/NIAID NIH HHS/ -- UL1 RR024131/RR/NCRR NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2013 Apr 5;340(6128):87-91. doi: 10.1126/science.1232685.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer and Inflammation Program, Laboratory of Experimental Immunology, Science Applications International Corporation-Frederick, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23559252" target="_blank"〉PubMed〈/a〉
    Keywords: African Americans/genetics ; Alleles ; Amino Acid Sequence ; Anti-Retroviral Agents/therapeutic use ; Crohn Disease/genetics/immunology ; *Gene Expression Regulation ; HIV/genetics/*immunology ; HIV Infections/drug therapy/*genetics/*immunology ; HLA-C Antigens/*genetics ; Humans ; Immunodominant Epitopes/genetics ; Molecular Sequence Data ; Mutation ; Peptide Fragments/immunology ; Polymorphism, Single Nucleotide ; T-Lymphocytes, Cytotoxic/*immunology ; Viral Load/genetics
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  • 11
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    Mechanism of eukaryotic RNA polymerase III transcription termination (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-03
    Description: Gene expression in organisms involves many factors and is tightly controlled. Although much is known about the initial phase of transcription by RNA polymerase III (Pol III), the enzyme that synthesizes the majority of RNA molecules in eukaryotic cells, termination is poorly understood. Here, we show that the extensive structure of Pol III-synthesized transcripts dictates the release of elongation complexes at the end of genes. The poly-T termination signal, which does not cause termination in itself, causes catalytic inactivation and backtracking of Pol III, thus committing the enzyme to termination and transporting it to the nearest RNA secondary structure, which facilitates Pol III release. Similarity between termination mechanisms of Pol III and bacterial RNA polymerase suggests that hairpin-dependent termination may date back to the common ancestor of multisubunit RNA polymerases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3760304/" 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/PMC3760304/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nielsen, Soren -- Yuzenkova, Yulia -- Zenkin, Nikolay -- 202994/European Research Council/International -- BB/F013558/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/J006378/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2013 Jun 28;340(6140):1577-80. doi: 10.1126/science.1237934.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Bacterial Cell Biology, Institute for Cell and Molecular Biosciences, Newcastle University, Baddiley-Clark Building, Richardson Road, Newcastle upon Tyne, NE2 4AX, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23812715" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Molecular Sequence Data ; Nucleic Acid Conformation ; Poly T/metabolism ; Poly U/metabolism ; RNA Polymerase III/*metabolism ; RNA, Ribosomal, 5S/chemistry/genetics ; RNA, Transfer, Tyr/chemistry/genetics ; Saccharomyces cerevisiae/*enzymology/genetics ; *Transcription Termination, Genetic
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  • 12
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    Climate change conversations (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shakhashiri, Bassam Z -- Bell, Jerry A -- New York, N.Y. -- Science. 2013 Apr 5;340(6128):9. doi: 10.1126/science.1238241.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23559223" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; *Information Dissemination ; Science/*trends
    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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  • 13
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    China's food security soiled by contamination (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Yaolin -- Wen, Cheng -- Liu, Xingjian -- New York, N.Y. -- Science. 2013 Mar 22;339(6126):1382-3. doi: 10.1126/science.339.6126.1382-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23520093" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Crops, Agricultural/*growth & development ; *Food Supply
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Science and regulation. End the deadlock on governance of geoengineering research (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parson, Edward A -- Keith, David W -- New York, N.Y. -- Science. 2013 Mar 15;339(6125):1278-9. doi: 10.1126/science.1232527.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Emmett Center for Climate Change and Law, UCLA School of Law, Los Angeles, CA 90095, USA. parson@law.ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23493699" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Earth Sciences/*standards ; *Government Regulation ; Research/*standards ; *Social Control, Informal
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Genomic diversity and evolution of the head crest in the rock pigeon (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-02
    Description: The geographic origins of breeds and the genetic basis of variation within the widely distributed and phenotypically diverse domestic rock pigeon (Columba livia) remain largely unknown. We generated a rock pigeon reference genome and additional genome sequences representing domestic and feral populations. We found evidence for the origins of major breed groups in the Middle East and contributions from a racing breed to North American feral populations. We identified the gene EphB2 as a strong candidate for the derived head crest phenotype shared by numerous breeds, an important trait in mate selection in many avian species. We also found evidence that this trait evolved just once and spread throughout the species, and that the crest originates early in development by the localized molecular reversal of feather bud polarity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3778192/" 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/PMC3778192/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shapiro, Michael D -- Kronenberg, Zev -- Li, Cai -- Domyan, Eric T -- Pan, Hailin -- Campbell, Michael -- Tan, Hao -- Huff, Chad D -- Hu, Haofu -- Vickrey, Anna I -- Nielsen, Sandra C A -- Stringham, Sydney A -- Hu, Hao -- Willerslev, Eske -- Gilbert, M Thomas P -- Yandell, Mark -- Zhang, Guojie -- Wang, Jun -- GO RC2HG005619/HG/NHGRI NIH HHS/ -- R01 GM104390/GM/NIGMS NIH HHS/ -- R01 HG004694/HG/NHGRI NIH HHS/ -- R01HG004694/HG/NHGRI NIH HHS/ -- R44 HG006579/HG/NHGRI NIH HHS/ -- RC2 HG005619/HG/NHGRI NIH HHS/ -- T32 GM007464/GM/NIGMS NIH HHS/ -- T32 HD007491/HD/NICHD NIH HHS/ -- T32GM007464/GM/NIGMS NIH HHS/ -- T32HD07491/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2013 Mar 1;339(6123):1063-7. doi: 10.1126/science.1230422. Epub 2013 Jan 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Utah, Salt Lake City, UT 84112, USA. mike.shapiro@utah.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23371554" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Animals, Domestic/anatomy & histology/classification/genetics ; Animals, Wild/anatomy & histology/classification/genetics ; Breeding ; Columbidae/anatomy & histology/*classification/*genetics ; *Evolution, Molecular ; Feathers/anatomy & histology ; *Genetic Variation ; Genome ; Head/*anatomy & histology ; Models, Genetic ; Molecular Sequence Data ; Phylogeny ; Polymorphism, Single Nucleotide ; *Quantitative Trait, Heritable ; Receptor, EphB2/genetics ; Sequence Analysis, DNA
    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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  • 16
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    Natural systems in changing climates. Once and future climate change. Introduction (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ash, Caroline -- Culotta, Elizabeth -- Fahrenkamp-Uppenbrink, Julia -- Malakoff, David -- Smith, Jesse -- Sugden, Andrew -- Vignieri, Sacha -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):472-3. doi: 10.1126/science.341.6145.472.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908216" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Forecasting ; Humans
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Ecosystem services: nature's balance sheet (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Aspinall, Richard -- Gregory, Peter -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):421. doi: 10.1126/science.342.6157.421-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159029" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Climate Change ; *Conservation of Natural Resources ; *Decision Support Techniques ; *Ecosystem ; *Models, Economic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Paleoclimatology. How to make a great ice age, again and again and again (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- New York, N.Y. -- Science. 2013 Aug 9;341(6146):599. doi: 10.1126/science.341.6146.599.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23929957" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate ; *Climate Change ; *Computer Simulation ; *Ice Cover ; *Paleontology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
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    Highly variable El Nino-Southern Oscillation throughout the Holocene (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-01-05
    Description: The El Nino-Southern Oscillation (ENSO) drives large changes in global climate patterns from year to year, yet its sensitivity to continued anthropogenic greenhouse forcing is uncertain. We analyzed fossil coral reconstructions of ENSO spanning the past 7000 years from the Northern Line Islands, located in the center of action for ENSO. The corals document highly variable ENSO activity, with no evidence for a systematic trend in ENSO variance, which is contrary to some models that exhibit a response to insolation forcing over this same period. Twentieth-century ENSO variance is significantly higher than average fossil coral ENSO variance but is not unprecedented. Our results suggest that forced changes in ENSO, whether natural or anthropogenic, may be difficult to detect against a background of large internal variability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cobb, Kim M -- Westphal, Niko -- Sayani, Hussein R -- Watson, Jordan T -- Di Lorenzo, Emanuele -- Cheng, H -- Edwards, R L -- Charles, Christopher D -- New York, N.Y. -- Science. 2013 Jan 4;339(6115):67-70. doi: 10.1126/science.1228246.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA. kcobb@eas.gatech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23288537" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthozoa/*growth & development ; *Climate Change ; *Fossils ; Islands
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  • 20
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    The missing mountain water: slower westerlies decrease orographic enhancement in the Pacific Northwest USA (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-03
    Description: Trends in streamflow timing and volume in the Pacific Northwest United States have been attributed to increased temperatures, because trends in precipitation at lower-elevation stations were negligible. We demonstrate that observed streamflow declines are probably associated with declines in mountain precipitation, revealing previously unexplored differential trends. Lower-troposphere winter (November to March) westerlies are strongly correlated with high-elevation precipitation but weakly correlated with low-elevation precipitation. Decreases in lower-tropospheric winter westerlies across the region from 1950 to 2012 are hypothesized to have reduced orographic precipitation enhancement, yielding differential trends in precipitation across elevations and contributing to the decline in annual streamflow. Climate projections show weakened lower-troposphere zonal flow across the region under enhanced greenhouse forcing, highlighting an additional stressor that is relevant for climate change impacts on hydrology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Luce, C H -- Abatzoglou, J T -- Holden, Z A -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1360-4. doi: 10.1126/science.1242335. Epub 2013 Nov 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. Forest Service Research and Development, 322 East Front Street, Boise, ID 83702, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24292627" target="_blank"〉PubMed〈/a〉
    Keywords: *Altitude ; *Climate Change ; Greenhouse Effect ; Northwestern United States ; *Rivers ; *Water Resources
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  • 21
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    Identification of a colonial chordate histocompatibility gene (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-28
    Description: Histocompatibility is the basis by which multicellular organisms of the same species distinguish self from nonself. Relatively little is known about the mechanisms underlying histocompatibility reactions in lower organisms. Botryllus schlosseri is a colonial urochordate, a sister group of vertebrates, that exhibits a genetically determined natural transplantation reaction, whereby self-recognition between colonies leads to formation of parabionts with a common vasculature, whereas rejection occurs between incompatible colonies. Using genetically defined lines, whole-transcriptome sequencing, and genomics, we identified a single gene that encodes self-nonself and determines "graft" outcomes in this organism. This gene is significantly up-regulated in colonies poised to undergo fusion and/or rejection, is highly expressed in the vasculature, and is functionally linked to histocompatibility outcomes. These findings establish a platform for advancing the science of allorecognition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3810301/" 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/PMC3810301/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Voskoboynik, Ayelet -- Newman, Aaron M -- Corey, Daniel M -- Sahoo, Debashis -- Pushkarev, Dmitry -- Neff, Norma F -- Passarelli, Benedetto -- Koh, Winston -- Ishizuka, Katherine J -- Palmeri, Karla J -- Dimov, Ivan K -- Keasar, Chen -- Fan, H Christina -- Mantalas, Gary L -- Sinha, Rahul -- Penland, Lolita -- Quake, Stephen R -- Weissman, Irving L -- 1R01AG037968/AG/NIA NIH HHS/ -- 1R56AI089968/AI/NIAID NIH HHS/ -- K12 HL087746/HL/NHLBI NIH HHS/ -- K99 CA151673/CA/NCI NIH HHS/ -- K99CA151673-01A1/CA/NCI NIH HHS/ -- R01 AG037968/AG/NIA NIH HHS/ -- R01 GM100315/GM/NIGMS NIH HHS/ -- R01GM100315/GM/NIGMS NIH HHS/ -- R56 AI089968/AI/NIAID NIH HHS/ -- T32 CA009302/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):384-7. doi: 10.1126/science.1238036.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. ayeletv@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23888037" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Genes ; Genome ; Genotype ; Histocompatibility/*genetics ; Immune Tolerance ; Molecular Sequence Data ; Sequence Analysis, DNA ; Transcriptome ; Up-Regulation ; Urochordata/*genetics/*immunology/physiology
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    PINK1-phosphorylated mitofusin 2 is a Parkin receptor for culling damaged mitochondria (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-27
    Description: Senescent and damaged mitochondria undergo selective mitophagic elimination through mechanisms requiring two Parkinson's disease factors, the mitochondrial kinase PINK1 (PTEN-induced putative kinase protein 1; PTEN is phosphatase and tensin homolog) and the cytosolic ubiquitin ligase Parkin. The nature of the PINK-Parkin interaction and the identity of key factors directing Parkin to damaged mitochondria are unknown. We show that the mitochondrial outer membrane guanosine triphosphatase mitofusin (Mfn) 2 mediates Parkin recruitment to damaged mitochondria. Parkin bound to Mfn2 in a PINK1-dependent manner; PINK1 phosphorylated Mfn2 and promoted its Parkin-mediated ubiqitination. Ablation of Mfn2 in mouse cardiac myocytes prevented depolarization-induced translocation of Parkin to the mitochondria and suppressed mitophagy. Accumulation of morphologically and functionally abnormal mitochondria induced respiratory dysfunction in Mfn2-deficient mouse embryonic fibroblasts and cardiomyocytes and in Parkin-deficient Drosophila heart tubes, causing dilated cardiomyopathy. Thus, Mfn2 functions as a mitochondrial receptor for Parkin and is required for quality control of cardiac mitochondria.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3774525/" 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/PMC3774525/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Yun -- Dorn, Gerald W 2nd -- R01 HL059888/HL/NHLBI NIH HHS/ -- R21 HL107276/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2013 Apr 26;340(6131):471-5. doi: 10.1126/science.1231031.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Pharmacogenomics, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23620051" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Autophagy ; Cardiomyopathies/enzymology ; Drosophila melanogaster ; Fibroblasts/ultrastructure ; GTP Phosphohydrolases/genetics/*metabolism ; HEK293 Cells ; Humans ; Mice ; Mice, Mutant Strains ; Mitochondria/enzymology ; Mitochondria, Heart/*enzymology ; Molecular Sequence Data ; Myocytes, Cardiac/*enzymology/ultrastructure ; Phosphorylation ; Protein Kinases/*metabolism ; Ubiquitin-Protein Ligases/*metabolism ; Ubiquitination
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    Following gene duplication, paralog interference constrains transcriptional circuit evolution (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-05
    Description: Most models of gene duplication assume that the ancestral functions of the preduplication gene are independent and can therefore be neatly partitioned between descendant paralogs. However, many gene products, such as transcriptional regulators, are components within cooperative assemblies; here, we show that a natural consequence of duplication and divergence of such proteins can be competitive interference between the paralogs. Our example is based on the duplication of the essential MADS-box transcriptional regulator Mcm1, which is found in all fungi and regulates a large set of genes. We show that a set of historical amino acid sequence substitutions minimized paralog interference in contemporary species and, in doing so, increased the molecular complexity of this gene regulatory network. We propose that paralog interference is a common constraint on gene duplicate evolution, and its resolution, which can generate additional regulatory complexity, is needed to stabilize duplicated genes in the genome.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3911913/" 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/PMC3911913/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baker, Christopher R -- Hanson-Smith, Victor -- Johnson, Alexander D -- F32 GM108299/GM/NIGMS NIH HHS/ -- R01 GM037049/GM/NIGMS NIH HHS/ -- R01 GM057049/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Oct 4;342(6154):104-8. doi: 10.1126/science.1240810.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbiology, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24092741" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arginine/genetics ; Candida albicans/genetics ; *Evolution, Molecular ; *Gene Duplication ; *Gene Regulatory Networks ; Kluyveromyces/genetics ; Minichromosome Maintenance 1 Protein/*genetics ; Molecular Sequence Data ; Saccharomyces cerevisiae/genetics ; Sequence Deletion ; *Transcription, Genetic
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    Climate change. What role for short-lived climate pollutants in mitigation policy? (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shoemaker, J K -- Schrag, D P -- Molina, M J -- Ramanathan, V -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1323-4. doi: 10.1126/science.1240162.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24337280" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; *Environmental Policy ; Environmental Pollutants/*standards ; Fluorocarbons/standards ; Methane/standards ; Ozone/standards ; Soot/standards ; Time Factors
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  • 25
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    Ecosystem services: accounting standards (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Obst, Carl -- Edens, Bram -- Hein, Lars -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):420. doi: 10.1126/science.342.6157.420-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Melbourne Sustainable Society Institute, University of Melbourne, Victoria, 3010 Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159027" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Climate Change ; *Conservation of Natural Resources ; *Decision Support Techniques ; *Ecosystem ; *Models, Economic
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    Expanding the fluorine chemistry of living systems using engineered polyketide synthase pathways (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-07
    Description: Organofluorines represent a rapidly expanding proportion of molecules that are used in pharmaceuticals, diagnostics, agrochemicals, and materials. Despite the prevalence of fluorine in synthetic compounds, the known biological scope is limited to a single pathway that produces fluoroacetate. Here, we demonstrate that this pathway can be exploited as a source of fluorinated building blocks for introduction of fluorine into natural-product scaffolds. Specifically, we have constructed pathways involving two polyketide synthase systems, and we show that fluoroacetate can be used to incorporate fluorine into the polyketide backbone in vitro. We further show that fluorine can be inserted site-selectively and introduced into polyketide products in vivo. These results highlight the prospects for the production of complex fluorinated natural products using synthetic biology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4057101/" 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/PMC4057101/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walker, Mark C -- Thuronyi, Benjamin W -- Charkoudian, Louise K -- Lowry, Brian -- Khosla, Chaitan -- Chang, Michelle C Y -- 1 DP2 OD008696/OD/NIH HHS/ -- 1 T32 GMO66698/PHS HHS/ -- 1S10RR023679-01/RR/NCRR NIH HHS/ -- F32 CA137994/CA/NCI NIH HHS/ -- R01 GM087934/GM/NIGMS NIH HHS/ -- S10 RR16634-01/RR/NCRR NIH HHS/ -- T32 GM066698/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Sep 6;341(6150):1089-94. doi: 10.1126/science.1242345.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720-1460, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24009388" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/chemistry/genetics/metabolism ; Base Sequence ; Biological Products/chemistry/*metabolism ; Burkholderia/enzymology ; Coenzyme A Ligases/chemistry/genetics/metabolism ; Escherichia coli ; Fluoroacetates/chemistry/*metabolism ; Metabolic Networks and Pathways ; Molecular Sequence Data ; Polyketide Synthases/chemistry/genetics/*metabolism ; Polyketides/chemistry/*metabolism ; Protein Engineering ; Protein Structure, Tertiary ; Streptomyces coelicolor/enzymology
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    Insect morphological diversification through the modification of wing serial homologs (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-16
    Description: Fossil insects living some 300 million years ago show winglike pads on all thoracic and abdominal segments, which suggests their serial homology. It remains unclear whether winglike structures in nonwinged segments have been lost or modified through evolution. Here, we identified a ventral lateral part of the body wall on the first thoracic segment, the hypomeron, and pupal dorsolateral denticular outgrowths as wing serial homologs in the mealworm beetle Tenebrio molitor. Both domains transform into winglike structures under Hox RNA interference conditions. Gene expression and functional analyses revealed central roles for the key wing selector genes, vestigial and scalloped, in the hypomeron and the denticular outgrowth formation. We propose that modification, rather than loss, of dorsal appendages has provided an additional diversifying mechanism of insect body plan.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ohde, Takahiro -- Yaginuma, Toshinobu -- Niimi, Teruyuki -- New York, N.Y. -- Science. 2013 Apr 26;340(6131):495-8. doi: 10.1126/science.1234219. Epub 2013 Mar 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa, Nagoya, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23493422" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Genes, Homeobox/genetics ; Genes, Insect/genetics/physiology ; Larva/anatomy & histology/genetics/growth & development ; Molecular Sequence Data ; RNA Interference ; Tenebrio/*anatomy & histology/genetics/*growth & development ; Wings, Animal/*anatomy & histology/*growth & development
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    Climate change and infectious diseases: from evidence to a predictive framework (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: Scientists have long predicted large-scale responses of infectious diseases to climate change, giving rise to a polarizing debate, especially concerning human pathogens for which socioeconomic drivers and control measures can limit the detection of climate-mediated changes. Climate change has already increased the occurrence of diseases in some natural and agricultural systems, but in many cases, outcomes depend on the form of climate change and details of the host-pathogen system. In this review, we highlight research progress and gaps that have emerged during the past decade and develop a predictive framework that integrates knowledge from ecophysiology and community ecology with modeling approaches. Future work must continue to anticipate and monitor pathogen biodiversity and disease trends in natural ecosystems and identify opportunities to mitigate the impacts of climate-driven disease emergence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altizer, Sonia -- Ostfeld, Richard S -- Johnson, Pieter T J -- Kutz, Susan -- Harvell, C Drew -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):514-9. doi: 10.1126/science.1239401.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Odum School of Ecology, University of Georgia, Athens, GA 30602, USA. saltizer@uga.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908230" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biodiversity ; *Climate Change ; Communicable Diseases/*epidemiology/transmission ; Extinction, Biological ; Health ; Host-Parasite Interactions ; *Host-Pathogen Interactions ; Humans ; Prognosis
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    Distinguishable epidemics of multidrug-resistant Salmonella Typhimurium DT104 in different hosts (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-14
    Description: The global epidemic of multidrug-resistant Salmonella Typhimurium DT104 provides an important example, both in terms of the agent and its resistance, of a widely disseminated zoonotic pathogen. Here, with an unprecedented national collection of isolates collected contemporaneously from humans and animals and including a sample of internationally derived isolates, we have used whole-genome sequencing to dissect the phylogenetic associations of the bacterium and its antimicrobial resistance genes through the course of an epidemic. Contrary to current tenets supporting a single homogeneous epidemic, we demonstrate that the bacterium and its resistance genes were largely maintained within animal and human populations separately and that there was limited transmission, in either direction. We also show considerable variation in the resistance profiles, in contrast to the largely stable bacterial core genome, which emphasizes the critical importance of integrated genotypic data sets in understanding the ecology of bacterial zoonoses and antimicrobial resistance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4012302/" 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/PMC4012302/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mather, A E -- Reid, S W J -- Maskell, D J -- Parkhill, J -- Fookes, M C -- Harris, S R -- Brown, D J -- Coia, J E -- Mulvey, M R -- Gilmour, M W -- Petrovska, L -- de Pinna, E -- Kuroda, M -- Akiba, M -- Izumiya, H -- Connor, T R -- Suchard, M A -- Lemey, P -- Mellor, D J -- Haydon, D T -- Thomson, N R -- 098051/Wellcome Trust/United Kingdom -- 260864/European Research Council/International -- AI107034/AI/NIAID NIH HHS/ -- HG006139/HG/NHGRI NIH HHS/ -- R01 AI107034/AI/NIAID NIH HHS/ -- R01 GM086887/GM/NIGMS NIH HHS/ -- R01 HG006139/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2013 Sep 27;341(6153):1514-7. doi: 10.1126/science.1240578. Epub 2013 Sep 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton CB10 1SA, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24030491" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drug Resistance, Multiple, Bacterial/*genetics ; Epidemics ; Genome, Bacterial ; *Host-Pathogen Interactions ; Humans ; Molecular Sequence Data ; Phylogeny ; Salmonella Infections/epidemiology/*microbiology ; Salmonella Infections, Animal/epidemiology/*microbiology ; Salmonella typhimurium/*classification/drug effects/genetics ; Zoonoses/*microbiology
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    Structural basis for molecular recognition at serotonin receptors (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-03-23
    Description: Serotonin or 5-hydroxytryptamine (5-HT) regulates a wide spectrum of human physiology through the 5-HT receptor family. We report the crystal structures of the human 5-HT1B G protein-coupled receptor bound to the agonist antimigraine medications ergotamine and dihydroergotamine. The structures reveal similar binding modes for these ligands, which occupy the orthosteric pocket and an extended binding pocket close to the extracellular loops. The orthosteric pocket is formed by residues conserved in the 5-HT receptor family, clarifying the family-wide agonist activity of 5-HT. Compared with the structure of the 5-HT2B receptor, the 5-HT1B receptor displays a 3 angstrom outward shift at the extracellular end of helix V, resulting in a more open extended pocket that explains subtype selectivity. Together with docking and mutagenesis studies, these structures provide a comprehensive structural basis for understanding receptor-ligand interactions and designing subtype-selective serotonergic drugs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3644373/" 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/PMC3644373/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Chong -- Jiang, Yi -- Ma, Jinming -- Wu, Huixian -- Wacker, Daniel -- Katritch, Vsevolod -- Han, Gye Won -- Liu, Wei -- Huang, Xi-Ping -- Vardy, Eyal -- McCorvy, John D -- Gao, Xiang -- Zhou, X Edward -- Melcher, Karsten -- Zhang, Chenghai -- Bai, Fang -- Yang, Huaiyu -- Yang, Linlin -- Jiang, Hualiang -- Roth, Bryan L -- Cherezov, Vadim -- Stevens, Raymond C -- Xu, H Eric -- P50 GM073197/GM/NIGMS NIH HHS/ -- R01 DA027170/DA/NIDA NIH HHS/ -- R01 DA27170/DA/NIDA NIH HHS/ -- R01 DK071662/DK/NIDDK NIH HHS/ -- R01 MH061887/MH/NIMH NIH HHS/ -- R01 MH61887/MH/NIMH NIH HHS/ -- U19 MH082441/MH/NIMH NIH HHS/ -- U19 MH82441/MH/NIMH NIH HHS/ -- U54 GM094618/GM/NIGMS NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 May 3;340(6132):610-4. doi: 10.1126/science.1232807. Epub 2013 Mar 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23519210" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; Dihydroergotamine/chemistry/*metabolism ; Ergotamine/chemistry/*metabolism ; Humans ; Hydrogen Bonding ; Hydrophobic and Hydrophilic Interactions ; Ligands ; Lysergic Acid Diethylamide/chemistry/metabolism ; Models, Molecular ; Molecular Docking Simulation ; Molecular Sequence Data ; Mutagenesis ; Norfenfluramine/chemistry/metabolism ; Pindolol/analogs & derivatives/chemistry/metabolism ; Propranolol/chemistry/metabolism ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Receptor, Serotonin, 5-HT1B/*chemistry/genetics/*metabolism ; Serotonin 5-HT1 Receptor Agonists/*chemistry/*metabolism ; Tryptamines/chemistry/metabolism
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    Conserved regulation of cardiac calcium uptake by peptides encoded in small open reading frames (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-24
    Description: Small open reading frames (smORFs) are short DNA sequences that are able to encode small peptides of less than 100 amino acids. Study of these elements has been neglected despite thousands existing in our genomes. We and others previously showed that peptides as short as 11 amino acids are translated and provide essential functions during insect development. Here, we describe two peptides of less than 30 amino acids regulating calcium transport, and hence influencing regular muscle contraction, in the Drosophila heart. These peptides seem conserved for more than 550 million years in a range of species from flies to humans, in which they have been implicated in cardiac pathologies. Such conservation suggests that the mechanisms for heart regulation are ancient and that smORFs may be a fundamental genome component that should be studied systematically.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Magny, Emile G -- Pueyo, Jose Ignacio -- Pearl, Frances M G -- Cespedes, Miguel Angel -- Niven, Jeremy E -- Bishop, Sarah A -- Couso, Juan Pablo -- 087516/Wellcome Trust/United Kingdom -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2013 Sep 6;341(6150):1116-20. doi: 10.1126/science.1238802. Epub 2013 Aug 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Life Sciences, University of Sussex, Falmer, Brighton, East Sussex BN1 9QG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23970561" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Calcium/*metabolism ; Conserved Sequence ; Drosophila Proteins/chemistry/genetics/metabolism/*physiology ; Drosophila melanogaster ; Evolution, Molecular ; Ion Transport ; Molecular Sequence Data ; Muscle Proteins/chemistry/genetics/*physiology ; Muscle, Skeletal/*metabolism ; *Myocardial Contraction ; Myocardium/*metabolism ; Open Reading Frames ; Peptides/chemistry/genetics/*physiology ; Protein Structure, Secondary ; Transaldolase/genetics/metabolism
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    Climate change. Climate's dark forcings (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Andreae, Meinrat O -- Ramanathan, V -- New York, N.Y. -- Science. 2013 Apr 19;340(6130):280-1. doi: 10.1126/science.1235731.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biogeochemistry Department, Max Planck Institute for Chemistry, 55020 Mainz, Germany. m.andreae@mpic.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23599469" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere/*analysis ; *Climate Change ; Seasons ; Soot/*chemistry
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    Geoengineering: guidance exists (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-05-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Corden, Pierce S -- New York, N.Y. -- Science. 2013 May 3;340(6132):548. doi: 10.1126/science.340.6132.548-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23641091" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Earth Sciences/*standards ; *Government Regulation ; Research/*standards ; *Social Control, Informal
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A conserved mechanism for centromeric nucleosome recognition by centromere protein CENP-C (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-01
    Description: Chromosome segregation during mitosis requires assembly of the kinetochore complex at the centromere. Kinetochore assembly depends on specific recognition of the histone variant CENP-A in the centromeric nucleosome by centromere protein C (CENP-C). We have defined the determinants of this recognition mechanism and discovered that CENP-C binds a hydrophobic region in the CENP-A tail and docks onto the acidic patch of histone H2A and H2B. We further found that the more broadly conserved CENP-C motif uses the same mechanism for CENP-A nucleosome recognition. Our findings reveal a conserved mechanism for protein recruitment to centromeres and a histone recognition mode whereby a disordered peptide binds the histone tail through hydrophobic interactions facilitated by nucleosome docking.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3763809/" 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/PMC3763809/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kato, Hidenori -- Jiang, Jiansheng -- Zhou, Bing-Rui -- Rozendaal, Marieke -- Feng, Hanqiao -- Ghirlando, Rodolfo -- Xiao, T Sam -- Straight, Aaron F -- Bai, Yawen -- R01 GM074728/GM/NIGMS NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- ZIA AI000960-07/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 May 31;340(6136):1110-3. doi: 10.1126/science.1235532.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Biochemistry and Molecular Biology, National Cancer Institute, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23723239" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Autoantigens/metabolism ; Binding Sites ; Centromere/*metabolism ; Chromosomal Proteins, Non-Histone/genetics/*metabolism ; Conserved Sequence ; Drosophila ; Histones/*metabolism ; Humans ; Hydrophobic and Hydrophilic Interactions ; Molecular Sequence Data ; Nucleosomes/*metabolism ; Protein Structure, Secondary
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    Erythropoietin derived by chemical synthesis (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-18
    Description: Erythropoietin is a signaling glycoprotein that controls the fundamental process of erythropoiesis, orchestrating the production and maintenance of red blood cells. As administrated clinically, erythropoietin has a polypeptide backbone with complex dishomogeneity in its carbohydrate domains. Here we describe the total synthesis of homogeneous erythropoietin with consensus carbohydrate domains incorporated at all of the native glycosylation sites. The oligosaccharide sectors were built by total synthesis and attached stereospecifically to peptidyl fragments of the wild-type primary sequence, themselves obtained by solid-phase peptide synthesis. The glycopeptidyl constructs were joined by chemical ligation, followed by metal-free dethiylation, and subsequently folded. This homogeneous erythropoietin glycosylated at the three wild-type aspartates with N-linked high-mannose sialic acid-containing oligosaccharides and O-linked glycophorin exhibits Procrit-level in vivo activity in mice.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4080428/" 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/PMC4080428/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Ping -- Dong, Suwei -- Shieh, Jae-Hung -- Peguero, Elizabeth -- Hendrickson, Ronald -- Moore, Malcolm A S -- Danishefsky, Samuel J -- HL025848/HL/NHLBI NIH HHS/ -- P30 CA008748/CA/NCI NIH HHS/ -- R01 GM109760/GM/NIGMS NIH HHS/ -- R01 HL025848/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1357-60. doi: 10.1126/science.1245095.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Bioorganic Chemistry, Sloan-Kettering Institute for Cancer Research, 1275 York Avenue, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24337294" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Aspartic Acid/chemistry ; Cells, Cultured ; Consensus Sequence ; Dose-Response Relationship, Drug ; Erythrocyte Count ; Erythropoietin/*administration & dosage/*chemical synthesis/chemistry ; Glycophorin/chemistry ; Glycosylation ; Injections, Subcutaneous ; Mannose/chemistry ; Mice ; Mice, Inbred C57BL ; Molecular Sequence Data ; N-Acetylneuraminic Acid/chemistry ; Oligosaccharides/chemistry ; Reticulocytes/drug effects
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    Antiviral RNA interference in mammalian cells (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-12
    Description: In antiviral RNA interference (RNAi), the DICER enzyme processes virus-derived double-stranded RNA (dsRNA) into small interfering RNAs (siRNAs) that guide ARGONAUTE proteins to silence complementary viral RNA. As a counterdefense, viruses deploy viral suppressors of RNAi (VSRs). Well-established in plants and invertebrates, the existence of antiviral RNAi remains unknown in mammals. Here, we show that undifferentiated mouse cells infected with encephalomyocarditis virus (EMCV) or Nodamura virus (NoV) accumulate ~22-nucleotide RNAs with all the signature features of siRNAs. These derive from viral dsRNA replication intermediates, incorporate into AGO2, are eliminated in Dicer knockout cells, and decrease in abundance upon cell differentiation. Furthermore, genetically ablating a NoV-encoded VSR that antagonizes DICER during authentic infections reduces NoV accumulation, which is rescued in RNAi-deficient mouse cells. We conclude that antiviral RNAi operates in mammalian cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3853215/" 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/PMC3853215/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maillard, P V -- Ciaudo, C -- Marchais, A -- Li, Y -- Jay, F -- Ding, S W -- Voinnet, Olivier -- R01 AI052447/AI/NIAID NIH HHS/ -- R01 GM094396/GM/NIGMS NIH HHS/ -- RC1 GM091896/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Oct 11;342(6155):235-8. doi: 10.1126/science.1241930.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Swiss Federal Institute of Technology Zurich (ETH-Z), Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24115438" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argonaute Proteins/genetics/metabolism ; Base Sequence ; Cardiovirus Infections/*immunology ; Cell Line ; DEAD-box RNA Helicases/genetics/metabolism ; Encephalomyocarditis virus/genetics/*physiology ; Gene Knockout Techniques ; Mice ; Molecular Sequence Data ; Nodaviridae/genetics/*physiology ; RNA Interference/*immunology ; RNA Virus Infections/*immunology ; RNA, Double-Stranded/genetics/*immunology/metabolism ; RNA, Small Interfering/genetics/*immunology/metabolism ; RNA, Viral/genetics/*immunology/metabolism ; Ribonuclease III/genetics/metabolism ; Virus Replication
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    The human THAP9 gene encodes an active P-element DNA transposase (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-01-26
    Description: The human genome contains ~50 genes that were derived from transposable elements or transposons, and many are now integral components of cellular gene expression programs. The human THAP9 gene is related to the Drosophila P-element transposase. Here, we show that human THAP9 can mobilize Drosophila P-elements in both Drosophila and human cells. Chimeric proteins formed between the Drosophila P-element transposase N-terminal THAP DNA binding domain and the C-terminal regions of human THAP9 can also mobilize Drosophila P elements. Our results indicate that human THAP9 is an active DNA transposase that, although "domesticated," still retains the catalytic activity to mobilize P transposable elements across species.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3779457/" 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/PMC3779457/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Majumdar, Sharmistha -- Singh, Anita -- Rio, Donald C -- R01 GM048862/GM/NIGMS NIH HHS/ -- R01 GM094890/GM/NIGMS NIH HHS/ -- R01 GM097352/GM/NIGMS NIH HHS/ -- R01 GM104385/GM/NIGMS NIH HHS/ -- R01GM094890/GM/NIGMS NIH HHS/ -- R01GM104385/GM/NIGMS NIH HHS/ -- R01GM48862/GM/NIGMS NIH HHS/ -- R01GM61987/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jan 25;339(6118):446-8. doi: 10.1126/science.1231789.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720-3204, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23349291" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; *DNA Transposable Elements ; Drosophila/genetics ; Genome, Human ; HEK293 Cells ; Humans ; Molecular Sequence Data ; Recombinant Fusion Proteins/metabolism ; Sequence Analysis, DNA ; Transfection ; Transposases/chemistry/*genetics/*metabolism
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    Climate change. Dr. Cool (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2013 Oct 18;342(6156):307-9. doi: 10.1126/science.342.6156.307.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24136948" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; *Cold Temperature ; Earth Sciences/history/*methods ; Engineering/history/*methods ; History, 20th Century ; History, 21st Century ; Ozone/chemistry ; Sulfuric Acids/chemistry ; Volatilization
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    The gene Sr33, an ortholog of barley Mla genes, encodes resistance to wheat stem rust race Ug99 (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-03
    Description: Wheat stem rust, caused by the fungus Puccinia graminis f. sp. tritici, afflicts bread wheat (Triticum aestivum). New virulent races collectively referred to as "Ug99" have emerged, which threaten global wheat production. The wheat gene Sr33, introgressed from the wild relative Aegilops tauschii into bread wheat, confers resistance to diverse stem rust races, including the Ug99 race group. We cloned Sr33, which encodes a coiled-coil, nucleotide-binding, leucine-rich repeat protein. Sr33 is orthologous to the barley (Hordeum vulgare) Mla mildew resistance genes that confer resistance to Blumeria graminis f. sp. hordei. The wheat Sr33 gene functions independently of RAR1, SGT1, and HSP90 chaperones. Haplotype analysis from diverse collections of Ae. tauschii placed the origin of Sr33 resistance near the southern coast of the Caspian Sea.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Periyannan, Sambasivam -- Moore, John -- Ayliffe, Michael -- Bansal, Urmil -- Wang, Xiaojing -- Huang, Li -- Deal, Karin -- Luo, Mingcheng -- Kong, Xiuying -- Bariana, Harbans -- Mago, Rohit -- McIntosh, Robert -- Dodds, Peter -- Dvorak, Jan -- Lagudah, Evans -- New York, N.Y. -- Science. 2013 Aug 16;341(6147):786-8. doi: 10.1126/science.1239028. Epub 2013 Jun 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Commonwealth Scientific and Industrial Research Organization (CSIRO) Plant Industry, Canberra, ACT 2601, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23811228" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Basidiomycota/pathogenicity ; Cloning, Molecular ; Disease Resistance/genetics ; *Genes, Plant ; Haplotypes ; Hordeum/genetics ; Hybridization, Genetic ; Molecular Chaperones/genetics/metabolism ; Molecular Sequence Data ; Mutation ; Plant Diseases/genetics/*immunology/microbiology ; Plant Proteins/chemistry/genetics/metabolism ; Plant Stems/microbiology ; Plants, Genetically Modified ; Poaceae/*genetics ; Synteny ; Triticum/*genetics/*microbiology
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    Climate science. For researchers, IPCC leaves a deep impression (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2013 Oct 4;342(6154):24. doi: 10.1126/science.342.6154.24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24092708" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Computer Simulation ; Humans ; Models, Theoretical ; *Research Report
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    Structural basis for kinesin-1:cargo recognition (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-23
    Description: Kinesin-mediated cargo transport is required for many cellular functions and plays a key role in pathological processes. Structural information on how kinesins recognize their cargoes is required for a molecular understanding of this fundamental and ubiquitous process. Here, we present the crystal structure of the tetratricopeptide repeat domain of kinesin light chain 2 in complex with a cargo peptide harboring a "tryptophan-acidic" motif derived from SKIP (SifA-kinesin interacting protein), a critical host determinant in Salmonella pathogenesis and a regulator of lysosomal positioning. Structural data together with biophysical, biochemical, and cellular assays allow us to propose a framework for intracellular transport based on the binding by kinesin-1 of W-acidic cargo motifs through a combination of electrostatic interactions and sequence-specific elements, providing direct molecular evidence of the mechanisms for kinesin-1:cargo recognition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3693442/" 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/PMC3693442/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pernigo, Stefano -- Lamprecht, Anneri -- Steiner, Roberto A -- Dodding, Mark P -- 097316/Wellcome Trust/United Kingdom -- British Heart Foundation/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2013 Apr 19;340(6130):356-9. doi: 10.1126/science.1234264. Epub 2013 Mar 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Randall Division of Cell and Molecular Biophysics, King's College London, London SE1 1UL, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23519214" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; Bacterial Proteins/*chemistry/metabolism ; Crystallography, X-Ray ; Glycoproteins/*chemistry/metabolism ; HeLa Cells ; Humans ; Mice ; Microtubule-Associated Proteins/*chemistry/genetics/metabolism ; Molecular Sequence Data ; Mutation ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Tryptophan/chemistry/genetics/metabolism
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    Ecology. Understanding lakes near and far (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hampton, Stephanie E -- New York, N.Y. -- Science. 2013 Nov 15;342(6160):815-6. doi: 10.1126/science.1244732.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara, CA 93101, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24233716" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; *Lakes ; Microalgae ; Plankton ; Satellite Imagery ; *Water Pollution
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    Wetlands. Can coastal marshes rise above it all? (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):480-1. doi: 10.1126/science.341.6145.480.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908219" target="_blank"〉PubMed〈/a〉
    Keywords: Atlantic Ocean ; *Climate Change ; *Conservation of Natural Resources ; Rhode Island ; *Seawater ; *Wetlands
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    Preferential recognition of avian-like receptors in human influenza A H7N9 viruses (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-07
    Description: The 2013 outbreak of avian-origin H7N9 influenza in eastern China has raised concerns about its ability to transmit in the human population. The hemagglutinin glycoprotein of most human H7N9 viruses carries Leu(226), a residue linked to adaptation of H2N2 and H3N2 pandemic viruses to human receptors. However, glycan array analysis of the H7 hemagglutinin reveals negligible binding to humanlike alpha2-6-linked receptors and strong preference for a subset of avian-like alpha2-3-linked glycans recognized by all avian H7 viruses. Crystal structures of H7N9 hemagglutinin and six hemagglutinin-glycan complexes have elucidated the structural basis for preferential recognition of avian-like receptors. These findings suggest that the current human H7N9 viruses are poorly adapted for efficient human-to-human transmission.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3954636/" 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/PMC3954636/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xu, Rui -- de Vries, Robert P -- Zhu, Xueyong -- Nycholat, Corwin M -- McBride, Ryan -- Yu, Wenli -- Paulson, James C -- Wilson, Ian A -- GM62116/GM/NIGMS NIH HHS/ -- P41GM103393/GM/NIGMS NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- R56 AI099275/AI/NIAID NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Dec 6;342(6163):1230-5. doi: 10.1126/science.1243761.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24311689" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Binding Sites ; Birds ; Carbohydrate Conformation ; Crystallography, X-Ray ; Hemagglutinin Glycoproteins, Influenza Virus/*chemistry/*metabolism ; Humans ; Influenza A Virus, H7N9 Subtype/*metabolism/*pathogenicity ; Influenza in Birds/transmission/virology ; Influenza, Human/transmission/virology ; Ligands ; Microarray Analysis ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Polysaccharides/chemistry/*metabolism ; Receptors, Virus/chemistry/*metabolism ; Recombinant Proteins/chemistry/metabolism
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    Climate change. Hansen's retirement from NASA spurs look at his legacy (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-05-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- New York, N.Y. -- Science. 2013 May 3;340(6132):540-1. doi: 10.1126/science.340.6132.540.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23641087" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; History, 20th Century ; History, 21st Century ; Public Policy ; United States ; United States National Aeronautics and Space Administration/*organization & ; administration
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Pandoraviruses: amoeba viruses with genomes up to 2.5 Mb reaching that of parasitic eukaryotes (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-23
    Description: Ten years ago, the discovery of Mimivirus, a virus infecting Acanthamoeba, initiated a reappraisal of the upper limits of the viral world, both in terms of particle size (〉0.7 micrometers) and genome complexity (〉1000 genes), dimensions typical of parasitic bacteria. The diversity of these giant viruses (the Megaviridae) was assessed by sampling a variety of aquatic environments and their associated sediments worldwide. We report the isolation of two giant viruses, one off the coast of central Chile, the other from a freshwater pond near Melbourne (Australia), without morphological or genomic resemblance to any previously defined virus families. Their micrometer-sized ovoid particles contain DNA genomes of at least 2.5 and 1.9 megabases, respectively. These viruses are the first members of the proposed "Pandoravirus" genus, a term reflecting their lack of similarity with previously described microorganisms and the surprises expected from their future study.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Philippe, Nadege -- Legendre, Matthieu -- Doutre, Gabriel -- Coute, Yohann -- Poirot, Olivier -- Lescot, Magali -- Arslan, Defne -- Seltzer, Virginie -- Bertaux, Lionel -- Bruley, Christophe -- Garin, Jerome -- Claverie, Jean-Michel -- Abergel, Chantal -- New York, N.Y. -- Science. 2013 Jul 19;341(6143):281-6. doi: 10.1126/science.1239181.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural and Genomic Information Laboratory, UMR 7256 CNRS Aix-Marseille Universite, 163 Avenue de Luminy, Case 934, 13288 Marseille cedex 9, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23869018" target="_blank"〉PubMed〈/a〉
    Keywords: Amoeba/*virology ; Base Sequence ; *Evolution, Molecular ; Fresh Water/virology ; *Genome, Viral ; Mimiviridae/*classification/*genetics/isolation & purification/ultrastructure ; Molecular Sequence Data ; Phylogeny ; Proteomics ; Seawater/virology
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    Climate events synchronize the dynamics of a resident vertebrate community in the high Arctic (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-01-19
    Description: Recently accumulated evidence has documented a climate impact on the demography and dynamics of single species, yet the impact at the community level is poorly understood. Here, we show that in Svalbard in the high Arctic, extreme weather events synchronize population fluctuations across an entire community of resident vertebrate herbivores and cause lagged correlations with the secondary consumer, the arctic fox. This synchronization is mainly driven by heavy rain on snow that encapsulates the vegetation in ice and blocks winter forage availability for herbivores. Thus, indirect and bottom-up climate forcing drives the population dynamics across all overwintering vertebrates. Icing is predicted to become more frequent in the circumpolar Arctic and may therefore strongly affect terrestrial ecosystem characteristics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hansen, Brage B -- Grotan, Vidar -- Aanes, Ronny -- Saether, Bernt-Erik -- Stien, Audun -- Fuglei, Eva -- Ims, Rolf A -- Yoccoz, Nigel G -- Pedersen, Ashild O -- New York, N.Y. -- Science. 2013 Jan 18;339(6117):313-5. doi: 10.1126/science.1226766.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Conservation Biology, Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway. brage.b.hansen@ntnu.no〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23329044" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Arvicolinae/*physiology ; *Climate Change ; Foxes/*physiology ; Galliformes/*physiology ; Herbivory ; Ice Cover ; Population Dynamics ; Rain ; Reindeer/*physiology ; Snow
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Land use. Managing forests and fire in changing climates (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stephens, S L -- Agee, J K -- Fule, P Z -- North, M P -- Romme, W H -- Swetnam, T W -- Turner, M G -- New York, N.Y. -- Science. 2013 Oct 4;342(6154):41-2. doi: 10.1126/science.1240294.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of California, Berkeley, CA 94720, USA. sstephens@berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24092714" target="_blank"〉PubMed〈/a〉
    Keywords: California ; *Climate Change ; Disasters/*prevention & control/statistics & numerical data ; Fires/*prevention & control/statistics & numerical data ; *Policy Making ; *Trees
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    A call for integrative thinking (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rapport, David J -- Maffi, Luisa -- New York, N.Y. -- Science. 2013 Mar 1;339(6123):1032. doi: 10.1126/science.339.6123.1032-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23449575" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; *Ice Cover
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A secreted PTEN phosphatase that enters cells to alter signaling and survival (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-08
    Description: Phosphatase and tensin homolog on chromosome ten (PTEN) is a tumor suppressor and an antagonist of the phosphoinositide-3 kinase (PI3K) pathway. We identified a 576-amino acid translational variant of PTEN, termed PTEN-Long, that arises from an alternative translation start site 519 base pairs upstream of the ATG initiation sequence, adding 173 N-terminal amino acids to the normal PTEN open reading frame. PTEN-Long is a membrane-permeable lipid phosphatase that is secreted from cells and can enter other cells. As an exogenous agent, PTEN-Long antagonized PI3K signaling and induced tumor cell death in vitro and in vivo. By providing a means to restore a functional tumor-suppressor protein to tumor cells, PTEN-Long may have therapeutic uses.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3935617/" 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/PMC3935617/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hopkins, Benjamin D -- Fine, Barry -- Steinbach, Nicole -- Dendy, Meaghan -- Rapp, Zachary -- Shaw, Jacquelyn -- Pappas, Kyrie -- Yu, Jennifer S -- Hodakoski, Cindy -- Mense, Sarah -- Klein, Joshua -- Pegno, Sarah -- Sulis, Maria-Luisa -- Goldstein, Hannah -- Amendolara, Benjamin -- Lei, Liang -- Maurer, Matthew -- Bruce, Jeffrey -- Canoll, Peter -- Hibshoosh, Hanina -- Parsons, Ramon -- 2T32 CA09503/CA/NCI NIH HHS/ -- CA082783/CA/NCI NIH HHS/ -- CA097403/CA/NCI NIH HHS/ -- P01 CA097403/CA/NCI NIH HHS/ -- R01 CA082783/CA/NCI NIH HHS/ -- R01 CA155117/CA/NCI NIH HHS/ -- R01 NS066955/NS/NINDS NIH HHS/ -- R01 NS073610/NS/NINDS NIH HHS/ -- R01NS066955/NS/NINDS NIH HHS/ -- T32 CA009503/CA/NCI NIH HHS/ -- T32 GM008224/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):399-402. doi: 10.1126/science.1234907. Epub 2013 Jun 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, 1470 Madison Avenue, New York, NY 10029, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23744781" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line, Tumor ; *Cell Survival ; Embryonic Stem Cells ; Glioblastoma/drug therapy/metabolism/pathology ; HEK293 Cells ; Humans ; Mice ; Mice, Nude ; Molecular Sequence Data ; Mutation ; PTEN Phosphohydrolase/*chemistry/genetics/*metabolism/pharmacology ; Peptide Chain Initiation, Translational ; Phosphatidylinositol 3-Kinase/*metabolism ; Phosphorylation ; Proto-Oncogene Proteins c-akt/metabolism ; RNA, Messenger/genetics/metabolism ; *Signal Transduction/drug effects ; Xenograft Model Antitumor Assays
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    Widespread production of extracellular superoxide by heterotrophic bacteria (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-05-04
    Description: Superoxide and other reactive oxygen species (ROS) originate from several natural sources and profoundly influence numerous elemental cycles, including carbon and trace metals. In the deep ocean, the permanent absence of light precludes currently known ROS sources, yet ROS production mysteriously occurs. Here, we show that taxonomically and ecologically diverse heterotrophic bacteria from aquatic and terrestrial environments are a vast, unrecognized, and light-independent source of superoxide, and perhaps other ROS derived from superoxide. Superoxide production by a model bacterium within the ubiquitous Roseobacter clade involves an extracellular oxidoreductase that is stimulated by the reduced form of nicotinamide adenine dinucleotide (NADH), suggesting a surprising homology with eukaryotic organisms. The consequences of ROS cycling in immense aphotic zones representing key sites of nutrient regeneration and carbon export must now be considered, including potential control of carbon remineralization and metal bioavailability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Diaz, Julia M -- Hansel, Colleen M -- Voelker, Bettina M -- Mendes, Chantal M -- Andeer, Peter F -- Zhang, Tong -- New York, N.Y. -- Science. 2013 Jun 7;340(6137):1223-6. doi: 10.1126/science.1237331. Epub 2013 May 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23641059" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Carbon Cycle ; *Heterotrophic Processes ; Mercury/*metabolism ; Molecular Sequence Data ; NAD/metabolism ; Oxidoreductases/metabolism ; Phylogeny ; Roseobacter/classification/*metabolism ; Superoxides/*metabolism
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    Structural reorganization of the Toll-like receptor 8 dimer induced by agonistic ligands (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-23
    Description: Toll-like receptor 7 (TLR7) and TLR8 recognize single-stranded RNA and initiate innate immune responses. Several synthetic agonists of TLR7-TLR8 display novel therapeutic potential; however, the molecular basis for ligand recognition and activation of signaling by TLR7 or TLR8 is largely unknown. In this study, the crystal structures of unliganded and ligand-induced activated human TLR8 dimers were elucidated. Ligand recognition was mediated by a dimerization interface formed by two protomers. Upon ligand stimulation, the TLR8 dimer was reorganized such that the two C termini were brought into proximity. The loop between leucine-rich repeat 14 (LRR14) and LRR15 was cleaved; however, the N- and C-terminal halves remained associated and contributed to ligand recognition and dimerization. Thus, ligand binding induces reorganization of the TLR8 dimer, which enables downstream signaling processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanji, Hiromi -- Ohto, Umeharu -- Shibata, Takuma -- Miyake, Kensuke -- Shimizu, Toshiyuki -- New York, N.Y. -- Science. 2013 Mar 22;339(6126):1426-9. doi: 10.1126/science.1229159.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23520111" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Crystallography, X-Ray ; Humans ; Hydrogen Bonding ; Imidazoles/chemistry/*metabolism ; Ligands ; Models, Molecular ; Molecular Sequence Data ; Mutant Proteins/chemistry/metabolism ; Protein Binding ; Protein Conformation ; Protein Multimerization ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Quinolines/chemistry/*metabolism ; Signal Transduction ; Thiazoles/chemistry/*metabolism ; Toll-Like Receptor 8/*agonists/*chemistry/metabolism
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    Climate change impacts (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McNutt, Marcia -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):435. doi: 10.1126/science.1243256.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908191" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Forecasting ; Humans
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    Mechanisms of age-dependent response to winter temperature in perennial flowering of Arabis alpina (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-01
    Description: Perennial plants live for more than 1 year and flower only after an extended vegetative phase. We used Arabis alpina, a perennial relative of annual Arabidopsis thaliana, to study how increasing age and exposure to winter cold (vernalization) coordinate to establish competence to flower. We show that the APETALA2 transcription factor, a target of microRNA miR172, prevents flowering before vernalization. Additionally, miR156 levels decline as A. alpina ages, causing increased production of SPL (SQUAMOSA PROMOTER BINDING PROTEIN LIKE) transcription factors and ensuring that flowering occurs in response to cold. The age at which plants respond to vernalization can be altered by manipulating miR156 levels. Although miR156 and miR172 levels are uncoupled in A. alpina, miR156 abundance represents the timer controlling age-dependent flowering responses to cold.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bergonzi, Sara -- Albani, Maria C -- Ver Loren van Themaat, Emiel -- Nordstrom, Karl J V -- Wang, Renhou -- Schneeberger, Korbinian -- Moerland, Perry D -- Coupland, George -- New York, N.Y. -- Science. 2013 May 31;340(6136):1094-7. doi: 10.1126/science.1234116.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Plant Breeding Research, Cologne, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23723236" target="_blank"〉PubMed〈/a〉
    Keywords: Arabis/genetics/*physiology ; *Cold Temperature ; Flowers/genetics/*physiology ; Gene Expression Regulation, Plant ; MicroRNAs/metabolism ; Molecular Sequence Data ; Phylogeny ; Plant Proteins/genetics/metabolism ; *Seasons ; Time Factors ; Transcription Factors/classification/metabolism
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    Amplifying genetic logic gates (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-03-30
    Description: Organisms must process information encoded via developmental and environmental signals to survive and reproduce. Researchers have also engineered synthetic genetic logic to realize simpler, independent control of biological processes. We developed a three-terminal device architecture, termed the transcriptor, that uses bacteriophage serine integrases to control the flow of RNA polymerase along DNA. Integrase-mediated inversion or deletion of DNA encoding transcription terminators or a promoter modulates transcription rates. We realized permanent amplifying AND, NAND, OR, XOR, NOR, and XNOR gates actuated across common control signal ranges and sequential logic supporting autonomous cell-cell communication of DNA encoding distinct logic-gate states. The single-layer digital logic architecture developed here enables engineering of amplifying logic gates to control transcription rates within and across diverse organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonnet, Jerome -- Yin, Peter -- Ortiz, Monica E -- Subsoontorn, Pakpoom -- Endy, Drew -- New York, N.Y. -- Science. 2013 May 3;340(6132):599-603. doi: 10.1126/science.1232758. Epub 2013 Mar 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering, Y2E2-269B, 473 Via Ortega, Stanford, CA 94305-4201, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539178" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteriophage M13/genetics ; DNA, Bacterial/genetics ; DNA-Directed RNA Polymerases/metabolism ; Escherichia coli/genetics ; *Gene Regulatory Networks ; *Genetic Engineering ; Integrases/genetics/metabolism ; Logic ; Molecular Sequence Data ; Plasmids ; Promoter Regions, Genetic ; Recombination, Genetic ; Sequence Deletion ; Sequence Inversion ; Transcription Termination, Genetic ; *Transcription, Genetic
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    Networks of bZIP protein-protein interactions diversified over a billion years of evolution (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-05-11
    Description: Differences in biomolecular sequence and function underlie dramatic ranges of appearance and behavior among species. We studied the basic region-leucine zipper (bZIP) transcription factors and quantified bZIP dimerization networks for five metazoan and two single-cell species, measuring interactions in vitro for 2891 protein pairs. Metazoans have a higher proportion of heteromeric bZIP interactions and more network complexity than the single-cell species. The metazoan bZIP interactomes have broadly similar structures, but there has been extensive rewiring of connections compared to the last common ancestor, and each species network is highly distinct. Many metazoan bZIP orthologs and paralogs have strikingly different interaction specificities, and some differences arise from minor sequence changes. Our data show that a shifting landscape of biochemical functions related to signaling and gene expression contributes to species diversity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4115154/" 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/PMC4115154/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reinke, Aaron W -- Baek, Jiyeon -- Ashenberg, Orr -- Keating, Amy E -- GM067681/GM/NIGMS NIH HHS/ -- R01 GM067681/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 May 10;340(6133):730-4. doi: 10.1126/science.1233465.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts Institute of Technology, Department of Biology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23661758" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Basic-Leucine Zipper Transcription Factors/chemistry/genetics/*metabolism ; Conserved Sequence ; *Evolution, Molecular ; Humans ; *Metabolic Networks and Pathways ; Molecular Sequence Data ; Protein Multimerization
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    Evidence for a common mechanism of SIRT1 regulation by allosteric activators (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-03-09
    Description: A molecule that treats multiple age-related diseases would have a major impact on global health and economics. The SIRT1 deacetylase has drawn attention in this regard as a target for drug design. Yet controversy exists around the mechanism of sirtuin-activating compounds (STACs). We found that specific hydrophobic motifs found in SIRT1 substrates such as PGC-1alpha and FOXO3a facilitate SIRT1 activation by STACs. A single amino acid in SIRT1, Glu(230), located in a structured N-terminal domain, was critical for activation by all previously reported STAC scaffolds and a new class of chemically distinct activators. In primary cells reconstituted with activation-defective SIRT1, the metabolic effects of STACs were blocked. Thus, SIRT1 can be directly activated through an allosteric mechanism common to chemically diverse STACs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3799917/" 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/PMC3799917/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hubbard, Basil P -- Gomes, Ana P -- Dai, Han -- Li, Jun -- Case, April W -- Considine, Thomas -- Riera, Thomas V -- Lee, Jessica E -- E, Sook Yen -- Lamming, Dudley W -- Pentelute, Bradley L -- Schuman, Eli R -- Stevens, Linda A -- Ling, Alvin J Y -- Armour, Sean M -- Michan, Shaday -- Zhao, Huizhen -- Jiang, Yong -- Sweitzer, Sharon M -- Blum, Charles A -- Disch, Jeremy S -- Ng, Pui Yee -- Howitz, Konrad T -- Rolo, Anabela P -- Hamuro, Yoshitomo -- Moss, Joel -- Perni, Robert B -- Ellis, James L -- Vlasuk, George P -- Sinclair, David A -- P01 AG027916/AG/NIA NIH HHS/ -- R01 AG019719/AG/NIA NIH HHS/ -- R01 AG028730/AG/NIA NIH HHS/ -- R37 AG028730/AG/NIA NIH HHS/ -- ZIA HL000659-20/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 Mar 8;339(6124):1216-9. doi: 10.1126/science.1231097.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23471411" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation ; Amino Acid Motifs ; Amino Acid Sequence ; Amino Acid Substitution ; Animals ; Cells, Cultured ; Enzyme Activation ; Forkhead Transcription Factors/chemistry/genetics ; Glutamic Acid/chemistry/genetics ; Heterocyclic Compounds with 4 or More Rings/chemistry/pharmacology ; Humans ; Hydrophobic and Hydrophilic Interactions ; Mice ; Molecular Sequence Data ; Myoblasts/drug effects/enzymology ; Protein Structure, Tertiary ; Sirtuin 1/*chemistry/genetics/*metabolism ; Stilbenes/chemistry/*pharmacology ; Substrate Specificity
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    Structure of the integral membrane protein CAAX protease Ste24p (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-30
    Description: Posttranslational lipidation provides critical modulation of the functions of some proteins. Isoprenoids (i.e., farnesyl or geranylgeranyl groups) are attached to cysteine residues in proteins containing C-terminal CAAX sequence motifs (where A is an aliphatic residue and X is any residue). Isoprenylation is followed by cleavage of the AAX amino acid residues and, in some cases, by additional proteolytic cuts. We determined the crystal structure of the CAAX protease Ste24p, a zinc metalloprotease catalyzing two proteolytic steps in the maturation of yeast mating pheromone a-factor. The Ste24p core structure is a ring of seven transmembrane helices enclosing a voluminous cavity containing the active site and substrate-binding groove. The cavity is accessible to the external milieu by means of gaps between splayed transmembrane helices. We hypothesize that cleavage proceeds by means of a processive mechanism of substrate insertion, translocation, and ejection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4136949/" 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/PMC4136949/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pryor, Edward E Jr -- Horanyi, Peter S -- Clark, Kathleen M -- Fedoriw, Nadia -- Connelly, Sara M -- Koszelak-Rosenblum, Mary -- Zhu, Guangyu -- Malkowski, Michael G -- Wiener, Michael C -- Dumont, Mark E -- P30 CA044579/CA/NCI NIH HHS/ -- U54 GM094611/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Mar 29;339(6127):1600-4. doi: 10.1126/science.1232048.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Membrane Protein Structural Biology Consortium, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539602" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Catalytic Domain ; Cell Membrane/*enzymology ; Crystallography, X-Ray ; Membrane Proteins/*chemistry ; Metalloendopeptidases/*chemistry ; Molecular Sequence Data ; Protein Structure, Secondary ; Saccharomyces cerevisiae Proteins/*chemistry ; Substrate Specificity
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    Environmental science. Global change and mercury (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krabbenhoft, David P -- Sunderland, Elsie M -- New York, N.Y. -- Science. 2013 Sep 27;341(6153):1457-8. doi: 10.1126/science.1242838.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. Geological Survey, 8505 Research Way, Middleton, WI 53562, USA. dpkrabbe@usgs.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24072910" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere/*chemistry ; *Climate Change ; Environmental Exposure ; Gases/analysis ; Humans ; *International Cooperation ; Mercury/*analysis ; Oceans and Seas ; Seawater/*chemistry
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Climate change. Losing arable land, China faces stark choice: adapt or go hungry (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Larson, Christina -- New York, N.Y. -- Science. 2013 Feb 8;339(6120):644-5. doi: 10.1126/science.339.6120.644.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23393241" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/methods ; China ; *Climate Change ; Crops, Agricultural/*growth & development ; *Food Supply ; Oryza/growth & development ; Triticum/growth & development
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Annually resolved ice core records of tropical climate variability over the past ~1800 years (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-04-06
    Description: Ice cores from low latitudes can provide a wealth of unique information about past climate in the tropics, but they are difficult to recover and few exist. Here, we report annually resolved ice core records from the Quelccaya ice cap (5670 meters above sea level) in Peru that extend back ~1800 years and provide a high-resolution record of climate variability there. Oxygen isotopic ratios (delta(18)O) are linked to sea surface temperatures in the tropical eastern Pacific, whereas concentrations of ammonium and nitrate document the dominant role played by the migration of the Intertropical Convergence Zone in the region of the tropical Andes. Quelccaya continues to retreat and thin. Radiocarbon dates on wetland plants exposed along its retreating margins indicate that it has not been smaller for at least six millennia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, L G -- Mosley-Thompson, E -- Davis, M E -- Zagorodnov, V S -- Howat, I M -- Mikhalenko, V N -- Lin, P-N -- New York, N.Y. -- Science. 2013 May 24;340(6135):945-50. doi: 10.1126/science.1234210. Epub 2013 Apr 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Byrd Polar Research Center, The Ohio State University, Columbus, OH 43210, USA. thompson.3@osu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23558172" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; *Ice Cover ; Nitrates/analysis ; Oxygen Isotopes/analysis ; Peru ; Plants ; Quaternary Ammonium Compounds/analysis ; *Tropical Climate ; Wetlands
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    Abrupt shifts in Horn of Africa hydroclimate since the Last Glacial Maximum (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-10-12
    Description: The timing and abruptness of the initiation and termination of the Early Holocene African Humid Period are subjects of ongoing debate, with direct consequences for our understanding of abrupt climate change, paleoenvironments, and early human cultural development. Here, we provide proxy evidence from the Horn of Africa region that documents abrupt transitions into and out of the African Humid Period in northeast Africa. Similar and generally synchronous abrupt transitions at other East African sites suggest that rapid shifts in hydroclimate are a regionally coherent feature. Our analysis suggests that the termination of the African Humid Period in the Horn of Africa occurred within centuries, underscoring the nonlinearity of the region's hydroclimate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tierney, Jessica E -- deMenocal, Peter B -- New York, N.Y. -- Science. 2013 Nov 15;342(6160):843-6. doi: 10.1126/science.1240411. Epub 2013 Oct 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02540, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24114782" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Eastern ; *Climate Change ; *Humidity ; *Ice Cover ; Paleontology ; *Tropical Climate
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    Ancient DNA reveals key stages in the formation of central European mitochondrial genetic diversity (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-10-12
    Description: The processes that shaped modern European mitochondrial DNA (mtDNA) variation remain unclear. The initial peopling by Palaeolithic hunter-gatherers ~42,000 years ago and the immigration of Neolithic farmers into Europe ~8000 years ago appear to have played important roles but do not explain present-day mtDNA diversity. We generated mtDNA profiles of 364 individuals from prehistoric cultures in Central Europe to perform a chronological study, spanning the Early Neolithic to the Early Bronze Age (5500 to 1550 calibrated years before the common era). We used this transect through time to identify four marked shifts in genetic composition during the Neolithic period, revealing a key role for Late Neolithic cultures in shaping modern Central European genetic diversity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4039305/" 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/PMC4039305/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brandt, Guido -- Haak, Wolfgang -- Adler, Christina J -- Roth, Christina -- Szecsenyi-Nagy, Anna -- Karimnia, Sarah -- Moller-Rieker, Sabine -- Meller, Harald -- Ganslmeier, Robert -- Friederich, Susanne -- Dresely, Veit -- Nicklisch, Nicole -- Pickrell, Joseph K -- Sirocko, Frank -- Reich, David -- Cooper, Alan -- Alt, Kurt W -- Genographic Consortium -- R01 GM100233/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Oct 11;342(6155):257-61. doi: 10.1126/science.1241844.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Anthropology, Johannes Gutenberg University of Mainz, Mainz, Germany. brandtg@uni-mainz.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24115443" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/history ; Base Sequence ; DNA, Mitochondrial/*genetics/history ; Europe ; *Genetic Drift ; *Genetic Variation ; History, Ancient ; Humans ; Molecular Sequence Data ; Population/*genetics ; Transients and Migrants
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    Environmental science. Pollutants capture the high ground in the Himalayas (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-03-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Qiu, Jane -- New York, N.Y. -- Science. 2013 Mar 1;339(6123):1030-1. doi: 10.1126/science.339.6123.1030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23449574" target="_blank"〉PubMed〈/a〉
    Keywords: Aerosols ; *Air Pollutants ; *Air Pollution ; *Altitude ; *Climate Change ; *Dust ; *Ice Cover ; Nepal ; *Soot
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    H7N9 influenza viruses are transmissible in ferrets by respiratory droplet (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-23
    Description: A newly emerged H7N9 virus has caused 132 human infections with 37 deaths in China since 18 February 2013. Control measures in H7N9 virus-positive live poultry markets have reduced the number of infections; however, the character of the virus, including its pandemic potential, remains largely unknown. We systematically analyzed H7N9 viruses isolated from birds and humans. The viruses were genetically closely related and bound to human airway receptors; some also maintained the ability to bind to avian airway receptors. The viruses isolated from birds were nonpathogenic in chickens, ducks, and mice; however, the viruses isolated from humans caused up to 30% body weight loss in mice. Most importantly, one virus isolated from humans was highly transmissible in ferrets by respiratory droplet. Our findings indicate nothing to reduce the concern that these viruses can transmit between humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Qianyi -- Shi, Jianzhong -- Deng, Guohua -- Guo, Jing -- Zeng, Xianying -- He, Xijun -- Kong, Huihui -- Gu, Chunyang -- Li, Xuyong -- Liu, Jinxiong -- Wang, Guojun -- Chen, Yan -- Liu, Liling -- Liang, Libin -- Li, Yuanyuan -- Fan, Jun -- Wang, Jinliang -- Li, Wenhui -- Guan, Lizheng -- Li, Qimeng -- Yang, Huanliang -- Chen, Pucheng -- Jiang, Li -- Guan, Yuntao -- Xin, Xiaoguang -- Jiang, Yongping -- Tian, Guobin -- Wang, Xiurong -- Qiao, Chuanling -- Li, Chengjun -- Bu, Zhigao -- Chen, Hualan -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):410-4. doi: 10.1126/science.1240532. Epub 2013 Jul 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150001, People's Republic of China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23868922" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chickens/virology ; Columbidae/virology ; Ducks/virology ; Ferrets/*virology ; Genes, Viral ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/genetics/metabolism ; Humans ; Influenza A virus/genetics/isolation & purification/*pathogenicity/physiology ; Influenza in Birds/virology ; Influenza, Human/*transmission/*virology ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Mutation ; Orthomyxoviridae Infections/*transmission/*virology ; Receptors, Cell Surface/metabolism ; Receptors, Virus/metabolism ; Respiratory System/*virology ; Virus Replication
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    The structural basis of ZMPSTE24-dependent laminopathies (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-30
    Description: Mutations in the nuclear membrane zinc metalloprotease ZMPSTE24 lead to diseases of lamin processing (laminopathies), such as the premature aging disease progeria and metabolic disorders. ZMPSTE24 processes prelamin A, a component of the nuclear lamina intermediate filaments, by cleaving it at two sites. Failure of this processing results in accumulation of farnesylated, membrane-associated prelamin A. The 3.4 angstrom crystal structure of human ZMPSTE24 has a seven transmembrane alpha-helical barrel structure, surrounding a large, water-filled, intramembrane chamber, capped by a zinc metalloprotease domain with the catalytic site facing into the chamber. The 3.8 angstrom structure of a complex with a CSIM tetrapeptide showed that the mode of binding of the substrate resembles that of an insect metalloprotease inhibitor in thermolysin. Laminopathy-associated mutations predicted to reduce ZMPSTE24 activity map to the zinc metalloprotease peptide-binding site and to the bottom of the chamber.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Quigley, Andrew -- Dong, Yin Yao -- Pike, Ashley C W -- Dong, Liang -- Shrestha, Leela -- Berridge, Georgina -- Stansfeld, Phillip J -- Sansom, Mark S P -- Edwards, Aled M -- Bountra, Chas -- von Delft, Frank -- Bullock, Alex N -- Burgess-Brown, Nicola A -- Carpenter, Elisabeth P -- 092809/Wellcome Trust/United Kingdom -- Canadian Institutes of Health Research/Canada -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2013 Mar 29;339(6127):1604-7. doi: 10.1126/science.1231513.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural Genomics Consortium, University of Oxford, Oxford, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539603" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Catalytic Domain ; Crystallography, X-Ray ; Humans ; Lamin Type A ; Membrane Proteins/*chemistry/genetics ; Metabolism, Inborn Errors/genetics/*metabolism ; Metalloendopeptidases/*chemistry/genetics ; Molecular Sequence Data ; Nuclear Proteins/chemistry/genetics/*metabolism ; Progeria/genetics/metabolism ; Protein Conformation ; Protein Precursors/chemistry/genetics/*metabolism ; Substrate Specificity ; Thermolysin/chemistry
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    Functional lysine modification by an intrinsically reactive primary glycolytic metabolite (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: The posttranslational modification of proteins and their regulation by metabolites represent conserved mechanisms in biology. At the confluence of these two processes, we report that the primary glycolytic intermediate 1,3-bisphosphoglycerate (1,3-BPG) reacts with select lysine residues in proteins to form 3-phosphoglyceryl-lysine (pgK). This reaction, which does not require enzyme catalysis, but rather exploits the electrophilicity of 1,3-BPG, was found by proteomic profiling to be enriched on diverse classes of proteins and prominently in or around the active sites of glycolytic enzymes. pgK modifications inhibit glycolytic enzymes and, in cells exposed to high glucose, accumulate on these enzymes to create a potential feedback mechanism that contributes to the buildup and redirection of glycolytic intermediates to alternate biosynthetic pathways.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4005992/" 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/PMC4005992/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moellering, Raymond E -- Cravatt, Benjamin F -- CA087660/CA/NCI NIH HHS/ -- R37 CA087660/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):549-53. doi: 10.1126/science.1238327.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Skaggs Institute for Chemical Biology and Department of Chemical Physiology, The Scripps Research Institute, La Jolla, CA 92037, USA. rmoeller@scripps.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908237" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biomarkers, Tumor/chemistry/metabolism ; Catalysis ; Cell Line ; DNA-Binding Proteins/chemistry/metabolism ; Diphosphoglyceric Acids/*metabolism ; Glucose/metabolism ; Glyceraldehyde-3-Phosphate Dehydrogenase (Phosphorylating)/chemistry/metabolism ; Glycerophosphates/*metabolism ; *Glycolysis ; Humans ; Lysine/*analogs & derivatives/*metabolism ; Mice ; Molecular Sequence Data ; Phosphopyruvate Hydratase/chemistry/metabolism ; *Protein Processing, Post-Translational ; Proteins/chemistry/*metabolism ; Tumor Suppressor Proteins/chemistry/metabolism
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    H5N1 hybrid viruses bearing 2009/H1N1 virus genes transmit in guinea pigs by respiratory droplet (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-05-04
    Description: In the past, avian influenza viruses have crossed species barriers to trigger human pandemics by reassorting with mammal-infective viruses in intermediate livestock hosts. H5N1 viruses are able to infect pigs, and some of them have affinity for the mammalian type alpha-2,6-linked sialic acid airway receptor. Using reverse genetics, we systematically created 127 reassortant viruses between a duck isolate of H5N1, specifically retaining its hemagglutinin (HA) gene throughout, and a highly transmissible, human-infective H1N1 virus. We tested the virulence of the reassortants in mice as a correlate for virulence in humans and tested transmissibility in guinea pigs, which have both avian and mammalian types of airway receptor. Transmission studies showed that the H1N1 virus genes encoding acidic polymerase and nonstructural protein made the H5N1 virus transmissible by respiratory droplet between guinea pigs without killing them. Further experiments implicated other H1N1 genes in the enhancement of mammal-to-mammal transmission, including those that encode nucleoprotein, neuraminidase, and matrix, as well as mutations in H5 HA that improve affinity for humanlike airway receptors. Hence, avian H5N1 subtype viruses do have the potential to acquire mammalian transmissibility by reassortment in current agricultural scenarios.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Ying -- Zhang, Qianyi -- Kong, Huihui -- Jiang, Yongping -- Gao, Yuwei -- Deng, Guohua -- Shi, Jianzhong -- Tian, Guobin -- Liu, Liling -- Liu, Jinxiong -- Guan, Yuntao -- Bu, Zhigao -- Chen, Hualan -- New York, N.Y. -- Science. 2013 Jun 21;340(6139):1459-63. doi: 10.1126/science.1229455. Epub 2013 May 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, People's Republic of China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23641061" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Brain/virology ; Cell Line ; Ferrets ; Genes, Viral ; Guinea Pigs ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/genetics ; Humans ; Influenza A Virus, H1N1 Subtype/*genetics/pathogenicity ; Influenza A Virus, H5N1 Subtype/*genetics/pathogenicity ; Influenza, Human/transmission/virology ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Mutation ; Orthomyxoviridae Infections/*transmission/*virology ; Reassortant Viruses/*genetics/*pathogenicity ; Receptors, Cell Surface/metabolism ; Receptors, Virus/metabolism ; Respiratory System/*virology ; Reverse Genetics ; Ribonucleoproteins/metabolism ; Viral Proteins/genetics/metabolism ; Virus Replication
    Print ISSN: 0036-8075
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    Zircon U-Pb geochronology links the end-Triassic extinction with the Central Atlantic Magmatic Province (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-23
    Description: The end-Triassic extinction is characterized by major losses in both terrestrial and marine diversity, setting the stage for dinosaurs to dominate Earth for the next 136 million years. Despite the approximate coincidence between this extinction and flood basalt volcanism, existing geochronologic dates have insufficient resolution to confirm eruptive rates required to induce major climate perturbations. Here, we present new zircon uranium-lead (U-Pb) geochronologic constraints on the age and duration of flood basalt volcanism within the Central Atlantic Magmatic Province. This chronology demonstrates synchroneity between the earliest volcanism and extinction, tests and corroborates the existing astrochronologic time scale, and shows that the release of magma and associated atmospheric flux occurred in four pulses over about 600,000 years, indicating expansive volcanism even as the biologic recovery was under way.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blackburn, Terrence J -- Olsen, Paul E -- Bowring, Samuel A -- McLean, Noah M -- Kent, Dennis V -- Puffer, John -- McHone, Greg -- Rasbury, E Troy -- Et-Touhami, Mohammed -- New York, N.Y. -- Science. 2013 May 24;340(6135):941-5. doi: 10.1126/science.1234204. Epub 2013 Mar 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. tblackburn@ciw.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23519213" target="_blank"〉PubMed〈/a〉
    Keywords: Atlantic Ocean ; *Climate Change ; *Earth (Planet) ; *Lead ; *Silicates ; Time Factors ; *Uranium ; *Volcanic Eruptions ; *Zirconium
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    Multiple instances of ancient balancing selection shared between humans and chimpanzees (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-16
    Description: Instances in which natural selection maintains genetic variation in a population over millions of years are thought to be extremely rare. We conducted a genome-wide scan for long-lived balancing selection by looking for combinations of SNPs shared between humans and chimpanzees. In addition to the major histocompatibility complex, we identified 125 regions in which the same haplotypes are segregating in the two species, all but two of which are noncoding. In six cases, there is evidence for an ancestral polymorphism that persisted to the present in humans and chimpanzees. Regions with shared haplotypes are significantly enriched for membrane glycoproteins, and a similar trend is seen among shared coding polymorphisms. These findings indicate that ancient balancing selection has shaped human variation and point to genes involved in host-pathogen interactions as common targets.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3612375/" 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/PMC3612375/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leffler, Ellen M -- Gao, Ziyue -- Pfeifer, Susanne -- Segurel, Laure -- Auton, Adam -- Venn, Oliver -- Bowden, Rory -- Bontrop, Ronald -- Wall, Jeffrey D -- Sella, Guy -- Donnelly, Peter -- McVean, Gilean -- Przeworski, Molly -- 075491/Z/04/B/Wellcome Trust/United Kingdom -- 086084/Z/08/Z/Wellcome Trust/United Kingdom -- 090532/Wellcome Trust/United Kingdom -- 090532/Z/09/Z/Wellcome Trust/United Kingdom -- 095552/Wellcome Trust/United Kingdom -- 095552/Z/11/Z/Wellcome Trust/United Kingdom -- GM72861/GM/NIGMS NIH HHS/ -- HG005226/HG/NHGRI NIH HHS/ -- R01 GM072861/GM/NIGMS NIH HHS/ -- T32 GM007197/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Mar 29;339(6127):1578-82. doi: 10.1126/science.1234070. Epub 2013 Feb 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, University of Chicago, Chicago, IL 60637, USA. emleffler@uchicago.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23413192" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Genetic Association Studies ; Genome, Human/*genetics ; Haplotypes ; Host-Pathogen Interactions/*genetics ; Humans ; Molecular Sequence Data ; Pan troglodytes/*genetics ; Pedigree ; Polymorphism, Single Nucleotide ; *Selection, Genetic
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    A strategy for modulation of enzymes in the ubiquitin system (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-01-05
    Description: The ubiquitin system regulates virtually all aspects of cellular function. We report a method to target the myriad enzymes that govern ubiquitination of protein substrates. We used massively diverse combinatorial libraries of ubiquitin variants to develop inhibitors of four deubiquitinases (DUBs) and analyzed the DUB-inhibitor complexes with crystallography. We extended the selection strategy to the ubiquitin conjugating (E2) and ubiquitin ligase (E3) enzymes and found that ubiquitin variants can also enhance enzyme activity. Last, we showed that ubiquitin variants can bind selectively to ubiquitin-binding domains. Ubiquitin variants exhibit selective function in cells and thus enable orthogonal modulation of specific enzymatic steps in the ubiquitin system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3815447/" 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/PMC3815447/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ernst, Andreas -- Avvakumov, George -- Tong, Jiefei -- Fan, Yihui -- Zhao, Yanling -- Alberts, Philipp -- Persaud, Avinash -- Walker, John R -- Neculai, Ana-Mirela -- Neculai, Dante -- Vorobyov, Andrew -- Garg, Pankaj -- Beatty, Linda -- Chan, Pak-Kei -- Juang, Yu-Chi -- Landry, Marie-Claude -- Yeh, Christina -- Zeqiraj, Elton -- Karamboulas, Konstantina -- Allali-Hassani, Abdellah -- Vedadi, Masoud -- Tyers, Mike -- Moffat, Jason -- Sicheri, Frank -- Pelletier, Laurence -- Durocher, Daniel -- Raught, Brian -- Rotin, Daniela -- Yang, Jianhua -- Moran, Michael F -- Dhe-Paganon, Sirano -- Sidhu, Sachdev S -- 092076/Wellcome Trust/United Kingdom -- 092381/Wellcome Trust/United Kingdom -- 1R01NS072420-01/Canadian Institutes of Health Research/Canada -- MOP-102536/Canadian Institutes of Health Research/Canada -- MOP-111149/Canadian Institutes of Health Research/Canada -- MOP-13494/Canadian Institutes of Health Research/Canada -- MOP-57795/Canadian Institutes of Health Research/Canada -- R01 NS072420/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2013 Feb 1;339(6119):590-5. doi: 10.1126/science.1230161. Epub 2013 Jan 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23287719" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; *Combinatorial Chemistry Techniques ; Conserved Sequence ; Drug Design ; Endopeptidases/chemistry/*metabolism ; HEK293 Cells ; Humans ; Molecular Sequence Data ; Protease Inhibitors/chemistry/*isolation & purification/pharmacology ; Protein Conformation ; Protein Structure, Secondary ; Small Molecule Libraries ; Ubiquitin/chemistry/genetics/*metabolism ; Ubiquitin Thiolesterase/chemistry/*metabolism ; Ubiquitin-Conjugating Enzymes/chemistry/metabolism ; Ubiquitin-Protein Ligases/chemistry/metabolism ; Ubiquitination/*drug effects
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    The more parasites, the better? (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carlson, Colin J -- Cizauskas, Carrie A -- Burgio, Kevin R -- Clements, Christopher F -- Harris, Nyeema C -- New York, N.Y. -- Science. 2013 Nov 29;342(6162):1041. doi: 10.1126/science.342.6162.1041-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Science, Policy and Management, University of California, Berkeley, Berkeley, CA 94704, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24288315" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Climate Change ; Communicable Diseases/*epidemiology ; *Host-Pathogen Interactions ; Humans
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    Rational HIV immunogen design to target specific germline B cell receptors (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-03-30
    Description: Vaccine development to induce broadly neutralizing antibodies (bNAbs) against HIV-1 is a global health priority. Potent VRC01-class bNAbs against the CD4 binding site of HIV gp120 have been isolated from HIV-1-infected individuals; however, such bNAbs have not been induced by vaccination. Wild-type gp120 proteins lack detectable affinity for predicted germline precursors of VRC01-class bNAbs, making them poor immunogens to prime a VRC01-class response. We employed computation-guided, in vitro screening to engineer a germline-targeting gp120 outer domain immunogen that binds to multiple VRC01-class bNAbs and germline precursors, and elucidated germline binding crystallographically. When multimerized on nanoparticles, this immunogen (eOD-GT6) activates germline and mature VRC01-class B cells. Thus, eOD-GT6 nanoparticles have promise as a vaccine prime. In principle, germline-targeting strategies could be applied to other epitopes and pathogens.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3689846/" 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/PMC3689846/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jardine, Joseph -- Julien, Jean-Philippe -- Menis, Sergey -- Ota, Takayuki -- Kalyuzhniy, Oleksandr -- McGuire, Andrew -- Sok, Devin -- Huang, Po-Ssu -- MacPherson, Skye -- Jones, Meaghan -- Nieusma, Travis -- Mathison, John -- Baker, David -- Ward, Andrew B -- Burton, Dennis R -- Stamatatos, Leonidas -- Nemazee, David -- Wilson, Ian A -- Schief, William R -- 5T32AI007606-10/AI/NIAID NIH HHS/ -- AI081625/AI/NIAID NIH HHS/ -- AI33292/AI/NIAID NIH HHS/ -- AI84817/AI/NIAID NIH HHS/ -- P01 AI094419/AI/NIAID NIH HHS/ -- P30 AI027767-24/AI/NIAID NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- R01 AI073148/AI/NIAID NIH HHS/ -- R01 AI081625/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- R37 AI033292/AI/NIAID NIH HHS/ -- T32 CA080416/CA/NCI NIH HHS/ -- T32CA080416/CA/NCI NIH HHS/ -- UM1 AI100663/AI/NIAID NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2013 May 10;340(6133):711-6. doi: 10.1126/science.1234150. Epub 2013 Mar 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23539181" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/chemistry/genetics/*immunology ; Amino Acid Sequence ; Animals ; Antibodies, Neutralizing/immunology ; Antigens, CD4/immunology ; B-Lymphocytes/immunology ; Crystallography, X-Ray ; DNA Mutational Analysis ; Germ Cells/*immunology ; HIV Envelope Protein gp120/chemistry/genetics/*immunology ; HIV Infections/*prevention & control ; HIV-1/*immunology ; Humans ; Macaca ; Mice ; Models, Animal ; Molecular Sequence Data ; Nanoparticles ; Protein Engineering ; Protein Structure, Tertiary ; Receptors, Antigen, B-Cell/*immunology
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    Human evolution. How a fickle climate made us human (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):474-9. doi: 10.1126/science.341.6145.474.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908217" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Climate Change ; *Hominidae ; Humans ; Kenya ; *Paleontology ; Poaceae ; Rain
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    EMRE is an essential component of the mitochondrial calcium uniporter complex (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-16
    Description: The mitochondrial uniporter is a highly selective calcium channel in the organelle's inner membrane. Its molecular components include the EF-hand-containing calcium-binding proteins mitochondrial calcium uptake 1 (MICU1) and MICU2 and the pore-forming subunit mitochondrial calcium uniporter (MCU). We sought to achieve a full molecular characterization of the uniporter holocomplex (uniplex). Quantitative mass spectrometry of affinity-purified uniplex recovered MICU1 and MICU2, MCU and its paralog MCUb, and essential MCU regulator (EMRE), a previously uncharacterized protein. EMRE is a 10-kilodalton, metazoan-specific protein with a single transmembrane domain. In its absence, uniporter channel activity was lost despite intact MCU expression and oligomerization. EMRE was required for the interaction of MCU with MICU1 and MICU2. Hence, EMRE is essential for in vivo uniporter current and additionally bridges the calcium-sensing role of MICU1 and MICU2 with the calcium-conducting role of MCU.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4091629/" 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/PMC4091629/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sancak, Yasemin -- Markhard, Andrew L -- Kitami, Toshimori -- Kovacs-Bogdan, Erika -- Kamer, Kimberli J -- Udeshi, Namrata D -- Carr, Steven A -- Chaudhuri, Dipayan -- Clapham, David E -- Li, Andrew A -- Calvo, Sarah E -- Goldberger, Olga -- Mootha, Vamsi K -- DK080261/DK/NIDDK NIH HHS/ -- F32 HL107021/HL/NHLBI NIH HHS/ -- F32HL107021/HL/NHLBI NIH HHS/ -- P30 HD018655/HD/NICHD NIH HHS/ -- R24 DK080261/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1379-82. doi: 10.1126/science.1242993. Epub 2013 Nov 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Department of Systems Biology, Harvard Medical School, Boston, MA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24231807" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Calcium Channels/chemistry/genetics/*metabolism ; Calcium-Binding Proteins/genetics/*metabolism ; Cation Transport Proteins/genetics/*metabolism ; Cell Membrane/*metabolism ; EF Hand Motifs ; Gene Knockdown Techniques ; HEK293 Cells ; Humans ; Mitochondria/*metabolism ; Mitochondrial Membrane Transport Proteins/genetics/*metabolism ; Molecular Sequence Data ; Phylogeny ; Protein Structure, Tertiary ; Proteomics
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    The genetic basis for bacterial mercury methylation (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-02-09
    Description: Methylmercury is a potent neurotoxin produced in natural environments from inorganic mercury by anaerobic bacteria. However, until now the genes and proteins involved have remained unidentified. Here, we report a two-gene cluster, hgcA and hgcB, required for mercury methylation by Desulfovibrio desulfuricans ND132 and Geobacter sulfurreducens PCA. In either bacterium, deletion of hgcA, hgcB, or both genes abolishes mercury methylation. The genes encode a putative corrinoid protein, HgcA, and a 2[4Fe-4S] ferredoxin, HgcB, consistent with roles as a methyl carrier and an electron donor required for corrinoid cofactor reduction, respectively. Among bacteria and archaea with sequenced genomes, gene orthologs are present in confirmed methylators but absent in nonmethylators, suggesting a common mercury methylation pathway in all methylating bacteria and archaea sequenced to date.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Parks, Jerry M -- Johs, Alexander -- Podar, Mircea -- Bridou, Romain -- Hurt, Richard A Jr -- Smith, Steven D -- Tomanicek, Stephen J -- Qian, Yun -- Brown, Steven D -- Brandt, Craig C -- Palumbo, Anthony V -- Smith, Jeremy C -- Wall, Judy D -- Elias, Dwayne A -- Liang, Liyuan -- New York, N.Y. -- Science. 2013 Mar 15;339(6125):1332-5. doi: 10.1126/science.1230667. Epub 2013 Feb 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23393089" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/*genetics ; Corrinoids/genetics ; Desulfovibrio desulfuricans/*genetics/metabolism ; Environmental Pollutants/*metabolism ; Ferredoxins/genetics ; Gene Deletion ; Geobacter/*genetics/metabolism ; Mercury/*metabolism ; Methylation ; Molecular Sequence Data ; *Multigene Family
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    Climate science. The IPCC gains confidence in key forecast (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- New York, N.Y. -- Science. 2013 Oct 4;342(6154):23-4. doi: 10.1126/science.342.6154.23-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24092706" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Consensus ; Forecasting ; Global Warming ; Humans ; *Research Report
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    Molecular mechanism for plant steroid receptor activation by somatic embryogenesis co-receptor kinases (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-10
    Description: Brassinosteroids, which control plant growth and development, are sensed by the leucine-rich repeat (LRR) domain of the membrane receptor kinase BRASSINOSTEROID INSENSITIVE 1 (BRI1), but it is unknown how steroid binding at the cell surface activates the cytoplasmic kinase domain of the receptor. A family of somatic embryogenesis receptor kinases (SERKs) has been genetically implicated in mediating early brassinosteroid signaling events. We found a direct and steroid-dependent interaction between the BRI1 and SERK1 LRR domains by analysis of their complex crystal structure at 3.3 angstrom resolution. We show that the SERK1 LRR domain is involved in steroid sensing and, through receptor-co-receptor heteromerization, in the activation of the BRI1 signaling pathway. Our work reveals how known missense mutations in BRI1 and in SERKs modulate brassinosteroid signaling and the targeting mechanism of BRI1 receptor antagonists.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Santiago, Julia -- Henzler, Christine -- Hothorn, Michael -- New York, N.Y. -- Science. 2013 Aug 23;341(6148):889-92. doi: 10.1126/science.1242468. Epub 2013 Aug 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural Plant Biology Lab, Friedrich Miescher Laboratory of the Max Planck Society, Spemannstrasse 39, Tubingen 72076, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23929946" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Arabidopsis Proteins/chemistry/genetics/*metabolism ; Brassinosteroids/*metabolism ; Crystallography, X-Ray ; Molecular Sequence Data ; Mutation, Missense ; Protein Kinases/chemistry/genetics/*metabolism ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, Steroid/*agonists
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    Climate change impacts on global food security (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: Climate change could potentially interrupt progress toward a world without hunger. A robust and coherent global pattern is discernible of the impacts of climate change on crop productivity that could have consequences for food availability. The stability of whole food systems may be at risk under climate change because of short-term variability in supply. However, the potential impact is less clear at regional scales, but it is likely that climate variability and change will exacerbate food insecurity in areas currently vulnerable to hunger and undernutrition. Likewise, it can be anticipated that food access and utilization will be affected indirectly via collateral effects on household and individual incomes, and food utilization could be impaired by loss of access to drinking water and damage to health. The evidence supports the need for considerable investment in adaptation and mitigation actions toward a "climate-smart food system" that is more resilient to climate change influences on food security.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wheeler, Tim -- von Braun, Joachim -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):508-13. doi: 10.1126/science.1239402.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Walker Institute for Climate System Research, Department of Agriculture, University of Reading, Reading, UK. t.r.wheeler@reading.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908229" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Crops, Agricultural ; Decision Making ; *Food Supply ; Humans ; *Hunger
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Structural features for functional selectivity at serotonin receptors (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-03-23
    Description: Drugs active at G protein-coupled receptors (GPCRs) can differentially modulate either canonical or noncanonical signaling pathways via a phenomenon known as functional selectivity or biased signaling. We report biochemical studies showing that the hallucinogen lysergic acid diethylamide, its precursor ergotamine (ERG), and related ergolines display strong functional selectivity for beta-arrestin signaling at the 5-HT2B 5-hydroxytryptamine (5-HT) receptor, whereas they are relatively unbiased at the 5-HT1B receptor. To investigate the structural basis for biased signaling, we determined the crystal structure of the human 5-HT2B receptor bound to ERG and compared it with the 5-HT1B/ERG structure. Given the relatively poor understanding of GPCR structure and function to date, insight into different GPCR signaling pathways is important to better understand both adverse and favorable therapeutic activities.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3644390/" 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/PMC3644390/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wacker, Daniel -- Wang, Chong -- Katritch, Vsevolod -- Han, Gye Won -- Huang, Xi-Ping -- Vardy, Eyal -- McCorvy, John D -- Jiang, Yi -- Chu, Meihua -- Siu, Fai Yiu -- Liu, Wei -- Xu, H Eric -- Cherezov, Vadim -- Roth, Bryan L -- Stevens, Raymond C -- P50 GM073197/GM/NIGMS NIH HHS/ -- R01 DK071662/DK/NIDDK NIH HHS/ -- R01 MH061887/MH/NIMH NIH HHS/ -- R01 MH61887/MH/NIMH NIH HHS/ -- U19 MH082441/MH/NIMH NIH HHS/ -- U19 MH82441/MH/NIMH NIH HHS/ -- U54 GM094618/GM/NIGMS NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 May 3;340(6132):615-9. doi: 10.1126/science.1232808. Epub 2013 Mar 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23519215" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Arrestin/metabolism ; Arrestins/metabolism ; Binding Sites ; Crystallography, X-Ray ; Ergolines/chemistry/metabolism ; Ergotamine/chemistry/*metabolism ; HEK293 Cells ; Humans ; Ligands ; Lysergic Acid Diethylamide/chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Structure, Secondary ; Receptor, Serotonin, 5-HT1B/chemistry/*metabolism ; Receptor, Serotonin, 5-HT2B/*chemistry/*metabolism ; Receptors, Serotonin/chemistry/metabolism ; Signal Transduction
    Print ISSN: 0036-8075
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    Ecosystem services: the farmers' challenge (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graham, Andrea -- Ferrier, Helen -- Mitchell, Diane -- Jones, Ceris -- Bicknell, Philip -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):420-1. doi: 10.1126/science.342.6157.420-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Policy Services, Agriculture House, National Farmers' Union, Stoneleigh, Warwickshire, CV82TZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159028" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Climate Change ; *Conservation of Natural Resources ; *Decision Support Techniques ; *Ecosystem ; *Models, Economic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Geography. Tree line shifts (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):484. doi: 10.1126/science.341.6145.484.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908223" target="_blank"〉PubMed〈/a〉
    Keywords: Arizona ; Cactaceae ; *Climate Change ; History, 19th Century ; Photography/history ; Seedlings ; Sweden ; *Trees
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    Global change. The psst that pierced the sky is now churning the sea (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- New York, N.Y. -- Science. 2013 Feb 1;339(6119):500. doi: 10.1126/science.339.6119.500.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23371987" target="_blank"〉PubMed〈/a〉
    Keywords: Chlorofluorocarbons/*chemistry ; *Climate Change ; Environmental Monitoring ; *Ozone Depletion ; Seawater/*chemistry
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Geography. Tundra in turmoil (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-08-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):483-4. doi: 10.1126/science.341.6145.483.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908222" target="_blank"〉PubMed〈/a〉
    Keywords: Arctic Regions ; *Climate Change ; Humans ; *Introduced Species ; *Plants
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    Rapid adaptation to climate facilitates range expansion of an invasive plant (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-10-19
    Description: Adaptation to climate, evolving over contemporary time scales, could facilitate rapid range expansion across environmental gradients. Here, we examine local adaptation along a climatic gradient in the North American invasive plant Lythrum salicaria. We show that the evolution of earlier flowering is adaptive at the northern invasion front where it increases fitness as much as, or more than, the effects of enemy release and the evolution of increased competitive ability. However, early flowering decreases investment in vegetative growth, which reduces fitness by a factor of 3 in southern environments where the North American invasion commenced. Our results demonstrate that local adaptation can evolve quickly during range expansion, overcoming environmental constraints on propagule production.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colautti, Robert I -- Barrett, Spencer C H -- New York, N.Y. -- Science. 2013 Oct 18;342(6156):364-6. doi: 10.1126/science.1242121.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, Canada, M5S 3B2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24136968" target="_blank"〉PubMed〈/a〉
    Keywords: Acclimatization/genetics/*physiology ; *Climate Change ; Evolution, Molecular ; Genetic Fitness ; Lythrum/genetics/*physiology ; Plant Weeds/genetics/*physiology
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    Climate change. Out of the African Humid Period (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bard, Edouard -- New York, N.Y. -- Science. 2013 Nov 15;342(6160):808-9. doi: 10.1126/science.1246519.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College de France and CEREGE (Aix-Marseille University, CNRS, IRD, CdF), Aix-en-Provence F-13545, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24233711" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; *Humidity ; *Ice Cover ; *Tropical Climate
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    Multiplex genome engineering using CRISPR/Cas systems (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-01-05
    Description: Functional elucidation of causal genetic variants and elements requires precise genome editing technologies. The type II prokaryotic CRISPR (clustered regularly interspaced short palindromic repeats)/Cas adaptive immune system has been shown to facilitate RNA-guided site-specific DNA cleavage. We engineered two different type II CRISPR/Cas systems and demonstrate that Cas9 nucleases can be directed by short RNAs to induce precise cleavage at endogenous genomic loci in human and mouse cells. Cas9 can also be converted into a nicking enzyme to facilitate homology-directed repair with minimal mutagenic activity. Lastly, multiple guide sequences can be encoded into a single CRISPR array to enable simultaneous editing of several sites within the mammalian genome, demonstrating easy programmability and wide applicability of the RNA-guided nuclease technology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3795411/" 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/PMC3795411/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cong, Le -- Ran, F Ann -- Cox, David -- Lin, Shuailiang -- Barretto, Robert -- Habib, Naomi -- Hsu, Patrick D -- Wu, Xuebing -- Jiang, Wenyan -- Marraffini, Luciano A -- Zhang, Feng -- DP1 MH100706/MH/NIMH NIH HHS/ -- DP1MH100706/DP/NCCDPHP CDC HHS/ -- DP2 AI104556/AI/NIAID NIH HHS/ -- DP2AI104556/AI/NIAID NIH HHS/ -- R01 NS073124/NS/NINDS NIH HHS/ -- R01-CA133404/CA/NCI NIH HHS/ -- R01-GM34277/GM/NIGMS NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Feb 15;339(6121):819-23. doi: 10.1126/science.1231143. Epub 2013 Jan 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Broad Institute of MIT and Harvard, 7 Cambridge Center, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23287718" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Caspase 9/*chemistry/genetics ; DNA/chemistry/genetics ; *DNA Cleavage ; Genetic Engineering/*methods ; Genetic Loci ; Genome/*genetics ; Humans ; Inverted Repeat Sequences/*genetics ; Mice ; Microarray Analysis/*methods ; Molecular Sequence Data ; Mutagenesis ; RNA/chemistry/genetics ; Recombinational DNA Repair ; Streptococcus pyogenes/enzymology/genetics
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    Wnt stabilization of beta-catenin reveals principles for morphogen receptor-scaffold assemblies (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-04-13
    Description: Wnt signaling stabilizes beta-catenin through the LRP6 receptor signaling complex, which antagonizes the beta-catenin destruction complex. The Axin scaffold and associated glycogen synthase kinase-3 (GSK3) have central roles in both assemblies, but the transduction mechanism from the receptor to the destruction complex is contentious. We report that Wnt signaling is governed by phosphorylation regulation of the Axin scaffolding function. Phosphorylation by GSK3 kept Axin activated ("open") for beta-catenin interaction and poised for engagement of LRP6. Formation of the Wnt-induced LRP6-Axin signaling complex promoted Axin dephosphorylation by protein phosphatase-1 and inactivated ("closed") Axin through an intramolecular interaction. Inactivation of Axin diminished its association with beta-catenin and LRP6, thereby inhibiting beta-catenin phosphorylation and enabling activated LRP6 to selectively recruit active Axin for inactivation reiteratively. Our findings reveal mechanisms for scaffold regulation and morphogen signaling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3788643/" 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/PMC3788643/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Sung-Eun -- Huang, He -- Zhao, Ming -- Zhang, Xinjun -- Zhang, Aili -- Semonov, Mikhail V -- MacDonald, Bryan T -- Zhang, Xiaowu -- Garcia Abreu, Jose -- Peng, Leilei -- He, Xi -- P30 HD-18655/HD/NICHD NIH HHS/ -- P30 HD018655/HD/NICHD NIH HHS/ -- R00EB008737/EB/NIBIB NIH HHS/ -- R01 AR060359/AR/NIAMS NIH HHS/ -- R01 GM074241/GM/NIGMS NIH HHS/ -- R01EB015481/EB/NIBIB NIH HHS/ -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2013 May 17;340(6134):867-70. doi: 10.1126/science.1232389. Epub 2013 Apr 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉F. M. Kirby Center, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23579495" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Axin Protein/*metabolism ; Glycogen Synthase Kinase 3/metabolism ; HEK293 Cells ; HeLa Cells ; Humans ; Low Density Lipoprotein Receptor-Related Protein-6/*metabolism ; Molecular Sequence Data ; Phosphorylation ; Protein Stability ; Signal Transduction ; Wnt Proteins/*metabolism ; Xenopus ; beta Catenin/*metabolism
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    Ecosystem services: response (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-10-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bateman, Ian J -- Harwood, Amii R -- Mace, Georgina M -- Watson, Robert T -- Abson, David J -- Andrews, Barnaby -- Binner, Amy -- Crowe, Andrew -- Day, Brett H -- Dugdale, Steve -- Fezzi, Carlo -- Foden, Jo -- Hadley, David -- Haines-Young, Roy -- Hulme, Mark -- Kontoleon, Andreas -- Lovett, Andrew A -- Munday, Paul -- Pascual, Unai -- Paterson, James -- Perino, Grischa -- Sen, Antara -- Siriwardena, Gavin -- van Soest, Daan -- Termansen, Mette -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):421-2. doi: 10.1126/science.342.6157.421-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Social and Economic Research on the Global Environment, School of Environmental Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24159030" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; *Climate Change ; *Conservation of Natural Resources ; *Decision Support Techniques ; *Ecosystem ; *Models, Economic
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    Bringing ecosystem services into economic decision-making: land use in the United Kingdom (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-07-06
    Description: Landscapes generate a wide range of valuable ecosystem services, yet land-use decisions often ignore the value of these services. Using the example of the United Kingdom, we show the significance of land-use change not only for agricultural production but also for emissions and sequestration of greenhouse gases, open-access recreational visits, urban green space, and wild-species diversity. We use spatially explicit models in conjunction with valuation methods to estimate comparable economic values for these services, taking account of climate change impacts. We show that, although decisions that focus solely on agriculture reduce overall ecosystem service values, highly significant value increases can be obtained from targeted planning by incorporating all potential services and their values and that this approach also conserves wild-species diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bateman, Ian J -- Harwood, Amii R -- Mace, Georgina M -- Watson, Robert T -- Abson, David J -- Andrews, Barnaby -- Binner, Amy -- Crowe, Andrew -- Day, Brett H -- Dugdale, Steve -- Fezzi, Carlo -- Foden, Jo -- Hadley, David -- Haines-Young, Roy -- Hulme, Mark -- Kontoleon, Andreas -- Lovett, Andrew A -- Munday, Paul -- Pascual, Unai -- Paterson, James -- Perino, Grischa -- Sen, Antara -- Siriwardena, Gavin -- van Soest, Daan -- Termansen, Mette -- New York, N.Y. -- Science. 2013 Jul 5;341(6141):45-50. doi: 10.1126/science.1234379.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Social and Economic Research on the Global Environment (CSERGE), School of Environmental Sciences, University of East Anglia (UEA), Norwich Research Park, Norwich, UK. i.bateman@uea.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23828934" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture ; Animals ; Biodiversity ; *Climate Change ; *Conservation of Natural Resources ; Decision Making ; *Decision Support Techniques ; *Ecosystem ; Great Britain ; Marketing ; *Models, Economic
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    Structure of RSV fusion glycoprotein trimer bound to a prefusion-specific neutralizing antibody (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-27
    Description: The prefusion state of respiratory syncytial virus (RSV) fusion (F) glycoprotein is the target of most RSV-neutralizing activity in human sera, but its metastability has hindered characterization. To overcome this obstacle, we identified prefusion-specific antibodies that were substantially more potent than the prophylactic antibody palivizumab. The cocrystal structure for one of these antibodies, D25, in complex with the F glycoprotein revealed D25 to lock F in its prefusion state by binding to a quaternary epitope at the trimer apex. Electron microscopy showed that two other antibodies, AM22 and 5C4, also bound to the newly identified site of vulnerability, which we named antigenic site O. These studies should enable design of improved vaccine antigens and define new targets for passive prevention of RSV-induced disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4459498/" 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/PMC4459498/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McLellan, Jason S -- Chen, Man -- Leung, Sherman -- Graepel, Kevin W -- Du, Xiulian -- Yang, Yongping -- Zhou, Tongqing -- Baxa, Ulrich -- Yasuda, Etsuko -- Beaumont, Tim -- Kumar, Azad -- Modjarrad, Kayvon -- Zheng, Zizheng -- Zhao, Min -- Xia, Ningshao -- Kwong, Peter D -- Graham, Barney S -- ZIA AI005024-11/Intramural NIH HHS/ -- ZIA AI005061-10/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2013 May 31;340(6136):1113-7. doi: 10.1126/science.1234914. Epub 2013 Apr 25.〈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. mclellanja@niaid.nih.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23618766" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Monoclonal, Humanized/immunology ; Antibodies, Neutralizing/chemistry/*immunology ; Crystallography, X-Ray ; Female ; Glycoproteins/chemistry/*immunology ; HEK293 Cells ; Humans ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Neutralization Tests ; Palivizumab ; Protein Conformation ; Protein Multimerization ; Respiratory Syncytial Virus Vaccines/chemistry/*immunology ; Respiratory Syncytial Viruses/*immunology/physiology ; Viral Fusion Proteins/chemistry/*immunology ; Virus Internalization
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Climate change. What are climate models missing? (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stevens, Bjorn -- Bony, Sandrine -- New York, N.Y. -- Science. 2013 May 31;340(6136):1053-4. doi: 10.1126/science.1237554.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Meteorology, Hamburg Germany. bjorn.stevens@mpimet.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23723223" target="_blank"〉PubMed〈/a〉
    Keywords: *Air Movements ; *Atmosphere ; *Climate Change ; Earth (Planet) ; Global Warming ; *Models, Theoretical ; Rain ; Uncertainty
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Ecological consequences of sea-ice decline (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-03
    Description: After a decade with nine of the lowest arctic sea-ice minima on record, including the historically low minimum in 2012, we synthesize recent developments in the study of ecological responses to sea-ice decline. Sea-ice loss emerges as an important driver of marine and terrestrial ecological dynamics, influencing productivity, species interactions, population mixing, gene flow, and pathogen and disease transmission. Major challenges in the near future include assigning clearer attribution to sea ice as a primary driver of such dynamics, especially in terrestrial systems, and addressing pressures arising from human use of arctic coastal and near-shore areas as sea ice diminishes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Post, Eric -- Bhatt, Uma S -- Bitz, Cecilia M -- Brodie, Jedediah F -- Fulton, Tara L -- Hebblewhite, Mark -- Kerby, Jeffrey -- Kutz, Susan J -- Stirling, Ian -- Walker, Donald A -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):519-24. doi: 10.1126/science.1235225.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Polar Center, and Department of Biology, Pennsylvania State University, University Park, PA 16802, USA. esp10@psu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908231" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aquatic Organisms ; Arctic Regions ; *Climate Change ; Humans ; *Ice Cover ; Invertebrates ; Plant Development ; *Seawater ; Vertebrates
    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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  • 94
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    Changes in ecologically critical terrestrial climate conditions (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-08-03
    Description: Terrestrial ecosystems have encountered substantial warming over the past century, with temperatures increasing about twice as rapidly over land as over the oceans. Here, we review the likelihood of continued changes in terrestrial climate, including analyses of the Coupled Model Intercomparison Project global climate model ensemble. Inertia toward continued emissions creates potential 21st-century global warming that is comparable in magnitude to that of the largest global changes in the past 65 million years but is orders of magnitude more rapid. The rate of warming implies a velocity of climate change and required range shifts of up to several kilometers per year, raising the prospect of daunting challenges for ecosystems, especially in the context of extensive land use and degradation, changes in frequency and severity of extreme events, and interactions with other stresses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Diffenbaugh, Noah S -- Field, Christopher B -- New York, N.Y. -- Science. 2013 Aug 2;341(6145):486-92. doi: 10.1126/science.1237123.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Earth System Science, Stanford University, Stanford, CA 94305, USA. diffenbaugh@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23908225" target="_blank"〉PubMed〈/a〉
    Keywords: *Climate Change ; Ecology ; *Ecosystem ; Forecasting ; Global Warming ; Humans ; Models, Theoretical ; Temperature
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
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    2000 years of parallel societies in Stone Age Central Europe (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-10-12
    Description: Debate on the ancestry of Europeans centers on the interplay between Mesolithic foragers and Neolithic farmers. Foragers are generally believed to have disappeared shortly after the arrival of agriculture. To investigate the relation between foragers and farmers, we examined Mesolithic and Neolithic samples from the Blatterhohle site. Mesolithic mitochondrial DNA sequences were typical of European foragers, whereas the Neolithic sample included additional lineages that are associated with early farmers. However, isotope analyses separate the Neolithic sample into two groups: one with an agriculturalist diet and one with a forager and freshwater fish diet, the latter carrying mitochondrial DNA sequences typical of Mesolithic hunter-gatherers. This indicates that the descendants of Mesolithic people maintained a foraging lifestyle in Central Europe for more than 2000 years after the arrival of farming societies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bollongino, Ruth -- Nehlich, Olaf -- Richards, Michael P -- Orschiedt, Jorg -- Thomas, Mark G -- Sell, Christian -- Fajkosova, Zuzana -- Powell, Adam -- Burger, Joachim -- New York, N.Y. -- Science. 2013 Oct 25;342(6157):479-81. doi: 10.1126/science.1245049. Epub 2013 Oct 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Palaeogenetics Group, Institute of Anthropology, Johannes Gutenberg University, 55099 Mainz, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24114781" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/*history ; Animal Feed/*history ; Animals ; Animals, Domestic ; *Anthropology ; Base Sequence ; DNA, Mitochondrial/genetics/history ; Europe ; *Evolution, Molecular ; History, Ancient ; Humans ; Molecular Sequence Data
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    Population growth in a wild bird is buffered against phenological mismatch (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-04-27
    Description: Broad-scale environmental changes are altering patterns of natural selection in the wild, but few empirical studies have quantified the demographic cost of sustained directional selection in response to these changes. We tested whether population growth in a wild bird is negatively affected by climate change-induced phenological mismatch, using almost four decades of individual-level life-history data from a great tit population. In this population, warmer springs have generated a mismatch between the annual breeding time and the seasonal food peak, intensifying directional selection for earlier laying dates. Interannual variation in population mismatch has not, however, affected population growth. We demonstrated a mechanism contributing to this uncoupling, whereby fitness losses associated with mismatch are counteracted by fitness gains due to relaxed competition. These findings imply that natural populations may be able to tolerate considerable maladaptation driven by shifting climatic conditions without undergoing immediate declines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reed, Thomas E -- Grotan, Vidar -- Jenouvrier, Stephanie -- Saether, Bernt-Erik -- Visser, Marcel E -- New York, N.Y. -- Science. 2013 Apr 26;340(6131):488-91. doi: 10.1126/science.1232870.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Ecology, Netherlands Institute of Ecology, Wageningen, Netherlands. t.reed@nioo.knaw.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23620055" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Breeding ; *Climate Change ; Computer Simulation ; Female ; *Genetic Fitness ; Models, Biological ; Passeriformes/genetics/*physiology ; Population Growth ; *Selection, Genetic
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    Probing the limits of genetic recoding in essential genes (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-10-19
    Description: Engineering radically altered genetic codes will allow for genomically recoded organisms that have expanded chemical capabilities and are isolated from nature. We have previously reassigned the translation function of the UAG stop codon; however, reassigning sense codons poses a greater challenge because such codons are more prevalent, and their usage regulates gene expression in ways that are difficult to predict. To assess the feasibility of radically altering the genetic code, we selected a panel of 42 highly expressed essential genes for modification. Across 80 Escherichia coli strains, we removed all instances of 13 rare codons from these genes and attempted to shuffle all remaining codons. Our results suggest that the genome-wide removal of 13 codons is feasible; however, several genome design constraints were apparent, underscoring the importance of a strategy that rapidly prototypes and tests many designs in small pieces.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lajoie, M J -- Kosuri, S -- Mosberg, J A -- Gregg, C J -- Zhang, D -- Church, G M -- New York, N.Y. -- Science. 2013 Oct 18;342(6156):361-3. doi: 10.1126/science.1241460.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24136967" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/genetics ; Base Sequence ; Codon/*genetics ; Escherichia coli/*genetics/growth & development ; Frameshift Mutation ; *Genes, Essential ; Genes, Synthetic ; Genetic Engineering ; Genome, Bacterial/*genetics ; Molecular Sequence Data
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Supercomplex assembly determines electron flux in the mitochondrial electron transport chain (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-03
    Description: The textbook description of mitochondrial respiratory complexes (RCs) views them as free-moving entities linked by the mobile carriers coenzyme Q (CoQ) and cytochrome c (cyt c). This model (known as the fluid model) is challenged by the proposal that all RCs except complex II can associate in supercomplexes (SCs). The proposed SCs are the respirasome (complexes I, III, and IV), complexes I and III, and complexes III and IV. The role of SCs is unclear, and their existence is debated. By genetic modulation of interactions between complexes I and III and III and IV, we show that these associations define dedicated CoQ and cyt c pools and that SC assembly is dynamic and organizes electron flux to optimize the use of available substrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lapuente-Brun, Esther -- Moreno-Loshuertos, Raquel -- Acin-Perez, Rebeca -- Latorre-Pellicer, Ana -- Colas, Carmen -- Balsa, Eduardo -- Perales-Clemente, Ester -- Quiros, Pedro M -- Calvo, Enrique -- Rodriguez-Hernandez, M A -- Navas, Placido -- Cruz, Raquel -- Carracedo, Angel -- Lopez-Otin, Carlos -- Perez-Martos, Acisclo -- Fernandez-Silva, Patricio -- Fernandez-Vizarra, Erika -- Enriquez, Jose Antonio -- New York, N.Y. -- Science. 2013 Jun 28;340(6140):1567-70. doi: 10.1126/science.1230381.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23812712" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cells, Cultured ; Cytochromes c/*metabolism ; Electron Transport ; Electron Transport Complex I/genetics/*metabolism ; Electron Transport Complex III/genetics/*metabolism ; Electron Transport Complex IV/genetics/*metabolism ; Gene Knockdown Techniques ; HEK293 Cells ; Humans ; Mice ; Mice, Inbred C57BL ; Mitochondria/*enzymology ; Molecular Sequence Data ; Ubiquinone/*metabolism
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    Structural basis for hijacking of cellular LxxLL motifs by papillomavirus E6 oncoproteins (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-09
    Description: E6 viral oncoproteins are key players in epithelial tumors induced by papillomaviruses in vertebrates, including cervical cancer in humans. E6 proteins target many host proteins by specifically interacting with acidic LxxLL motifs. We solved the crystal structures of bovine (BPV1) and human (HPV16) papillomavirus E6 proteins bound to LxxLL peptides from the focal adhesion protein paxillin and the ubiquitin ligase E6AP, respectively. In both E6 proteins, two zinc domains and a linker helix form a basic-hydrophobic pocket, which captures helical LxxLL motifs in a way compatible with other interaction modes. Mutational inactivation of the LxxLL binding pocket disrupts the oncogenic activities of both E6 proteins. This work reveals the structural basis of both the multifunctionality and the oncogenicity of E6 proteins.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3899395/" 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/PMC3899395/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zanier, Katia -- Charbonnier, Sebastian -- Sidi, Abdellahi Ould M'hamed Ould -- McEwen, Alastair G -- Ferrario, Maria Giovanna -- Poussin-Courmontagne, Pierre -- Cura, Vincent -- Brimer, Nicole -- Babah, Khaled Ould -- Ansari, Tina -- Muller, Isabelle -- Stote, Roland H -- Cavarelli, Jean -- Vande Pol, Scott -- Trave, Gilles -- CA08093/CA/NCI NIH HHS/ -- CA120352/CA/NCI NIH HHS/ -- CA134737/CA/NCI NIH HHS/ -- P30 CA044579/CA/NCI NIH HHS/ -- R01 CA134737/CA/NCI NIH HHS/ -- R01CA134737/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2013 Feb 8;339(6120):694-8. doi: 10.1126/science.1229934.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biotechnologie et Signalisation Cellulaire UMR 7242, Ecole Superieure de Biotechnologie de Strasbourg, Boulevard Sebastien Brant, BP 10413, F-67412 Illkirch, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23393263" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Bovine papillomavirus 1 ; Crystallography, X-Ray ; Human papillomavirus 16 ; Humans ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Molecular Dynamics Simulation ; Molecular Sequence Data ; Oncogene Proteins, Viral/*chemistry/genetics/*metabolism ; Paxillin/*chemistry/metabolism ; Peptide Fragments/chemistry/metabolism ; Point Mutation ; *Protein Interaction Domains and Motifs ; Protein Structure, Secondary ; Repressor Proteins/*chemistry/genetics/*metabolism ; Ubiquitin-Protein Ligases/*chemistry/metabolism
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    Complete mitochondrial genomes of ancient canids suggest a European origin of domestic dogs (2013)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2013-11-16
    Description: The geographic and temporal origins of the domestic dog remain controversial, as genetic data suggest a domestication process in East Asia beginning 15,000 years ago, whereas the oldest doglike fossils are found in Europe and Siberia and date to 〉30,000 years ago. We analyzed the mitochondrial genomes of 18 prehistoric canids from Eurasia and the New World, along with a comprehensive panel of modern dogs and wolves. The mitochondrial genomes of all modern dogs are phylogenetically most closely related to either ancient or modern canids of Europe. Molecular dating suggests an onset of domestication there 18,800 to 32,100 years ago. These findings imply that domestic dogs are the culmination of a process that initiated with European hunter-gatherers and the canids with whom they interacted.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thalmann, O -- Shapiro, B -- Cui, P -- Schuenemann, V J -- Sawyer, S K -- Greenfield, D L -- Germonpre, M B -- Sablin, M V -- Lopez-Giraldez, F -- Domingo-Roura, X -- Napierala, H -- Uerpmann, H-P -- Loponte, D M -- Acosta, A A -- Giemsch, L -- Schmitz, R W -- Worthington, B -- Buikstra, J E -- Druzhkova, A -- Graphodatsky, A S -- Ovodov, N D -- Wahlberg, N -- Freedman, A H -- Schweizer, R M -- Koepfli, K-P -- Leonard, J A -- Meyer, M -- Krause, J -- Paabo, S -- Green, R E -- Wayne, R K -- New York, N.Y. -- Science. 2013 Nov 15;342(6160):871-4. doi: 10.1126/science.1243650.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Section of Genetics and Physiology, University of Turku, Itainen Pitkakatu 4, 20014 Turku, Finland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24233726" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Domestic/*genetics ; Base Sequence ; Breeding ; Dogs/*genetics ; Europe ; Genome, Mitochondrial/*genetics ; Molecular Sequence Data ; Phylogeny ; Wolves/genetics
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