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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-01-06
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin-Frankel, Jennifer -- New York, N.Y. -- Science. 2010 Dec 24;330(6012):1731. doi: 10.1126/science.330.6012.1731.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205643" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomy/*education ; *Biological Evolution ; Employment/*legislation & jurisprudence ; Kentucky ; *Religion and Science ; United States ; Universities/*legislation & jurisprudence
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-01-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Muddiman, David C -- New York, N.Y. -- Science. 2011 Jan 14;331(6014):160. doi: 10.1126/science.1201766.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, North Carolina State University, Raleigh, NC 27695, USA. dcmuddim@ncsu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21233376" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Chemistry/*history ; History, 20th Century ; History, 21st Century ; Nobel Prize ; Spectrometry, Mass, Electrospray Ionization/history ; United States
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 3
    Publikationsdatum: 2011-07-19
    Beschreibung: Until recently, large apex consumers were ubiquitous across the globe and had been for millions of years. The loss of these animals may be humankind's most pervasive influence on nature. Although such losses are widely viewed as an ethical and aesthetic problem, recent research reveals extensive cascading effects of their disappearance in marine, terrestrial, and freshwater ecosystems worldwide. This empirical work supports long-standing theory about the role of top-down forcing in ecosystems but also highlights the unanticipated impacts of trophic cascades on processes as diverse as the dynamics of disease, wildfire, carbon sequestration, invasive species, and biogeochemical cycles. These findings emphasize the urgent need for interdisciplinary research to forecast the effects of trophic downgrading on process, function, and resilience in global ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Estes, James A -- Terborgh, John -- Brashares, Justin S -- Power, Mary E -- Berger, Joel -- Bond, William J -- Carpenter, Stephen R -- Essington, Timothy E -- Holt, Robert D -- Jackson, Jeremy B C -- Marquis, Robert J -- Oksanen, Lauri -- Oksanen, Tarja -- Paine, Robert T -- Pikitch, Ellen K -- Ripple, William J -- Sandin, Stuart A -- Scheffer, Marten -- Schoener, Thomas W -- Shurin, Jonathan B -- Sinclair, Anthony R E -- Soule, Michael E -- Virtanen, Risto -- Wardle, David A -- New York, N.Y. -- Science. 2011 Jul 15;333(6040):301-6. doi: 10.1126/science.1205106.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95060, USA. jestes@ucsc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21764740" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biodiversity ; *Ecosystem ; *Extinction, Biological ; Feeding Behavior ; *Food Chain ; Humans ; Introduced Species ; Population Dynamics ; Predatory Behavior
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-02-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ebert, Dieter -- New York, N.Y. -- Science. 2011 Feb 4;331(6017):539-40. doi: 10.1126/science.1202092.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universitat Basel, Zoological Institute, Vesalgasse 1, 4059 Basel, Switzerland. dieter.ebert@unibas.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21292957" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adaptation, Physiological ; Animals ; *Biological Evolution ; Daphnia/*genetics/physiology ; *Ecosystem ; *Environment ; Evolution, Molecular ; *Gene Duplication ; *Genome ; Phenotype
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-07-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2011 Jul 29;333(6042):514-7. doi: 10.1126/science.333.6042.514.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21798909" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Afghan Campaign 2001- ; Art Therapy ; Brain/pathology ; Brain Injuries/*diagnosis/epidemiology/pathology/psychology/*therapy ; Comorbidity ; Humans ; Iraq War, 2003-2011 ; *Military Personnel ; Stress Disorders, Post-Traumatic/*diagnosis/epidemiology/psychology/*therapy ; United States ; United States Department of Defense ; User-Computer Interface ; Veterans
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1210-1. doi: 10.1126/science.333.6047.1210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885748" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Angiosperms/growth & development ; China ; *Ecosystem ; Eutrophication ; *Fresh Water/chemistry/microbiology ; *Harmful Algal Bloom ; Microcystis/*growth & development ; Potamogetonaceae/growth & development ; Water Pollutants, Chemical/*toxicity ; Water Pollution/economics/*prevention & control ; Water Supply
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1209. doi: 10.1126/science.333.6047.1209.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885747" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Actinobacteria/*isolation & purification ; *Archaea/isolation & purification/physiology ; Bacteroidetes/*isolation & purification ; China ; *Ecosystem ; Food Chain ; Hot Springs/*microbiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 8
    Publikationsdatum: 2011-07-09
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zarin, Debora -- New York, N.Y. -- Science. 2011 Jul 8;333(6039):145. doi: 10.1126/science.333.6039.145.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21737714" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Clinical Trials as Topic ; *Databases, Factual ; Internet ; National Library of Medicine (U.S.) ; *Registries ; United States
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-13
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2011 Aug 12;333(6044):817. doi: 10.1126/science.333.6044.817.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21835994" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; China/epidemiology ; *Ecosystem ; *Energy-Generating Resources ; *Environment ; Humans ; *Rivers ; Schistosomiasis/epidemiology/transmission ; Snails ; Water Movements
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-01-08
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iacopino, Vincent -- Allen, Scott A -- Keller, Allen S -- New York, N.Y. -- Science. 2011 Jan 7;331(6013):34-5. doi: 10.1126/science.1194437.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Physicians for Human Rights, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21212341" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Ethics, Medical ; *Ethics, Professional ; Ethics, Research ; Federal Government ; *Human Experimentation/ethics/legislation & jurisprudence ; Humans ; *Prisoners ; *Torture/ethics/legislation & jurisprudence/psychology ; United States ; United States Department of Defense
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 11
    Publikationsdatum: 2011-11-05
    Beschreibung: Climate change challenges organisms to adapt or move to track changes in environments in space and time. We used two measures of thermal shifts from analyses of global temperatures over the past 50 years to describe the pace of climate change that species should track: the velocity of climate change (geographic shifts of isotherms over time) and the shift in seasonal timing of temperatures. Both measures are higher in the ocean than on land at some latitudes, despite slower ocean warming. These indices give a complex mosaic of predicted range shifts and phenology changes that deviate from simple poleward migration and earlier springs or later falls. They also emphasize potential conservation concerns, because areas of high marine biodiversity often have greater velocities of climate change and seasonal shifts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burrows, Michael T -- Schoeman, David S -- Buckley, Lauren B -- Moore, Pippa -- Poloczanska, Elvira S -- Brander, Keith M -- Brown, Chris -- Bruno, John F -- Duarte, Carlos M -- Halpern, Benjamin S -- Holding, Johnna -- Kappel, Carrie V -- Kiessling, Wolfgang -- O'Connor, Mary I -- Pandolfi, John M -- Parmesan, Camille -- Schwing, Franklin B -- Sydeman, William J -- Richardson, Anthony J -- New York, N.Y. -- Science. 2011 Nov 4;334(6056):652-5. doi: 10.1126/science.1210288.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Scottish Association for Marine Science, Scottish Marine Institute, Oban, Argyll, PA37 1QA, Scotland, UK. michael.burrows@sams.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22053045" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biodiversity ; *Climate Change ; *Ecosystem ; Oceans and Seas ; Seasons
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 12
    Publikationsdatum: 2011-11-15
    Beschreibung: Intestinal epithelial stem cell identity and location have been the subject of substantial research. Cells in the +4 niche are slow-cycling and label-retaining, whereas a different stem cell niche located at the crypt base is occupied by crypt base columnar (CBC) cells. CBCs are distinct from +4 cells, and the relationship between them is unknown, though both give rise to all intestinal epithelial lineages. We demonstrate that Hopx, an atypical homeobox protein, is a specific marker of +4 cells. Hopx-expressing cells give rise to CBCs and all mature intestinal epithelial lineages. Conversely, CBCs can give rise to +4 Hopx-positive cells. These findings demonstrate a bidirectional lineage relationship between active and quiescent stem cells in their niches.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3705713/" 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/PMC3705713/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takeda, Norifumi -- Jain, Rajan -- LeBoeuf, Matthew R -- Wang, Qiaohong -- Lu, Min Min -- Epstein, Jonathan A -- R01 HL071546/HL/NHLBI NIH HHS/ -- U01 HL100405/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2011 Dec 9;334(6061):1420-4. doi: 10.1126/science.1213214. Epub 2011 Nov 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22075725" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Cycle ; Cell Differentiation ; Cell Lineage ; Cell Proliferation ; Cells, Cultured ; Epithelial Cells/*cytology ; Homeodomain Proteins/analysis/genetics ; Intestinal Mucosa/*cytology/drug effects ; Intestine, Small/*cytology/drug effects ; Mice ; Models, Biological ; Multipotent Stem Cells/*cytology/physiology ; Paneth Cells/cytology ; *Stem Cell Niche ; Tamoxifen/pharmacology
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-02-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agre, Peter -- New York, N.Y. -- Science. 2011 Jan 28;331(6016):416-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins Malaria Research Institute, Johns Hopkins Bloomberg School of Public Health, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21284129" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aquaporin 1/history ; Chemistry/history ; History, 20th Century ; History, 21st Century ; International Cooperation ; Nobel Prize ; *Science/history ; United States
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-11-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leshner, Alan I -- New York, N.Y. -- Science. 2011 Nov 11;334(6057):738. doi: 10.1126/science.1215299.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22076346" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Financing, Government ; *Policy ; *Research Support as Topic ; *Science ; United States
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 15
    Publikationsdatum: 2011-02-26
    Beschreibung: Metarhizium anisopliae infects mosquitoes through the cuticle and proliferates in the hemolymph. To allow M. anisopliae to combat malaria in mosquitoes with advanced malaria infections, we produced recombinant strains expressing molecules that target sporozoites as they travel through the hemolymph to the salivary glands. Eleven days after a Plasmodium-infected blood meal, mosquitoes were treated with M. anisopliae expressing salivary gland and midgut peptide 1 (SM1), which blocks attachment of sporozoites to salivary glands; a single-chain antibody that agglutinates sporozoites; or scorpine, which is an antimicrobial toxin. These reduced sporozoite counts by 71%, 85%, and 90%, respectively. M. anisopliae expressing scorpine and an [SM1](8):scorpine fusion protein reduced sporozoite counts by 98%, suggesting that Metarhizium-mediated inhibition of Plasmodium development could be a powerful weapon for combating malaria.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4153607/" 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/PMC4153607/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fang, Weiguo -- Vega-Rodriguez, Joel -- Ghosh, Anil K -- Jacobs-Lorena, Marcelo -- Kang, Angray -- St Leger, Raymond J -- 5R21A1079429-02/PHS HHS/ -- R01 AI031478/AI/NIAID NIH HHS/ -- R21 AI079429/AI/NIAID NIH HHS/ -- R21 AI088033/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2011 Feb 25;331(6020):1074-7. doi: 10.1126/science.1199115.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, University of Maryland, 4112 Plant Sciences Building, College Park, MD 20742, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21350178" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anopheles gambiae/*microbiology/*parasitology/physiology ; Antibodies, Protozoan/immunology ; Base Sequence ; Cloning, Molecular ; Defensins/genetics/metabolism ; Feeding Behavior ; Female ; Hemolymph/metabolism/microbiology/parasitology ; Humans ; Insect Vectors/*microbiology/*parasitology/physiology ; Malaria, Falciparum/transmission ; Metarhizium/*genetics/physiology ; Molecular Sequence Data ; Oligopeptides/genetics/metabolism ; Organisms, Genetically Modified ; Pest Control, Biological ; Plasmodium falciparum/*physiology ; Protozoan Proteins/immunology ; Salivary Glands/metabolism/parasitology ; Spores, Fungal/physiology ; Sporozoites/physiology ; Transformation, Genetic ; Transgenes
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-07-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- New York, N.Y. -- Science. 2011 Jul 1;333(6038):23-4. doi: 10.1126/science.333.6038.23.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21719652" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Advertising as Topic ; *Health Promotion ; Humans ; Peer Group ; *Product Labeling ; Psychology, Social ; *Smoking/adverse effects/prevention & control/psychology ; *Smoking Cessation/psychology ; United States ; United States Food and Drug Administration
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 17
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-07-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Charles, Dan -- New York, N.Y. -- Science. 2011 Jul 1;333(6038):28-9. doi: 10.1126/science.333.6038.28.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21719655" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Research ; Salmonella/pathogenicity/physiology ; *Space Flight ; *Spacecraft ; United States ; *United States National Aeronautics and Space Administration ; Weightlessness
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 18
    Publikationsdatum: 2011-09-10
    Beschreibung: Engineered fluorescent protein (FP) chimeras that modulate their fluorescence in response to changes in calcium ion (Ca(2+)) concentration are powerful tools for visualizing intracellular signaling activity. However, despite a decade of availability, the palette of single FP-based Ca(2+) indicators has remained limited to a single green hue. We have expanded this palette by developing blue, improved green, and red intensiometric indicators, as well as an emission ratiometric indicator with an 11,000% ratio change. This series enables improved single-color Ca(2+) imaging in neurons and transgenic Caenorhabditis elegans. In HeLa cells, Ca(2+) was imaged in three subcellular compartments, and, in conjunction with a cyan FP-yellow FP-based indicator, Ca(2+) and adenosine 5'-triphosphate were simultaneously imaged. This palette of indicators paints the way to a colorful new era of Ca(2+) imaging.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3560286/" 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/PMC3560286/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Yongxin -- Araki, Satoko -- Wu, Jiahui -- Teramoto, Takayuki -- Chang, Yu-Fen -- Nakano, Masahiro -- Abdelfattah, Ahmed S -- Fujiwara, Manabi -- Ishihara, Takeshi -- Nagai, Takeharu -- Campbell, Robert E -- 94487/Canadian Institutes of Health Research/Canada -- 99085/Canadian Institutes of Health Research/Canada -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2011 Sep 30;333(6051):1888-91. doi: 10.1126/science.1208592. Epub 2011 Sep 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21903779" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Triphosphate/metabolism ; Animals ; Animals, Genetically Modified ; Caenorhabditis elegans ; Calcium/*analysis ; *Calcium Signaling ; *Directed Molecular Evolution ; Fluorescence ; Fluorescence Resonance Energy Transfer ; Green Fluorescent Proteins/*chemistry/genetics ; HeLa Cells ; Humans ; Luminescent Proteins/*chemistry/genetics ; Molecular Sequence Data ; Neurons/metabolism ; *Protein Engineering ; Rats ; Recombinant Fusion Proteins/*chemistry ; Spectrometry, Fluorescence ; Transfection
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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- New York, N.Y. -- Science. 2011 Apr 15;332(6027):292. doi: 10.1126/science.332.6027.292.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21493831" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aquatic Organisms/*metabolism/*radiation effects ; *Ecosystem ; Food Chain ; Japan ; Pacific Ocean ; Phytoplankton/metabolism/radiation effects ; Radiation Dosage ; *Radioisotopes/pharmacokinetics/toxicity ; Seaweed/metabolism/radiation effects ; *Water Pollutants, Radioactive/pharmacokinetics/toxicity
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reardon, Sara -- New York, N.Y. -- Science. 2011 Mar 11;331(6022):1252. doi: 10.1126/science.331.6022.1252.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21393519" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Environmental Pollution/*adverse effects ; Follow-Up Studies ; *Health Status ; *Health Surveys ; Humans ; *Mental Health ; National Institute of Environmental Health Sciences (U.S.) ; Occupational Exposure/*adverse effects ; Petroleum/*toxicity ; Population Surveillance ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 21
    Publikationsdatum: 2011-03-12
    Beschreibung: Disruption of the circadian clock exacerbates metabolic diseases, including obesity and diabetes. We show that histone deacetylase 3 (HDAC3) recruitment to the genome displays a circadian rhythm in mouse liver. Histone acetylation is inversely related to HDAC3 binding, and this rhythm is lost when HDAC3 is absent. Although amounts of HDAC3 are constant, its genomic recruitment in liver corresponds to the expression pattern of the circadian nuclear receptor Rev-erbalpha. Rev-erbalpha colocalizes with HDAC3 near genes regulating lipid metabolism, and deletion of HDAC3 or Rev-erbalpha in mouse liver causes hepatic steatosis. Thus, genomic recruitment of HDAC3 by Rev-erbalpha directs a circadian rhythm of histone acetylation and gene expression required for normal hepatic lipid homeostasis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3389392/" 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/PMC3389392/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feng, Dan -- Liu, Tao -- Sun, Zheng -- Bugge, Anne -- Mullican, Shannon E -- Alenghat, Theresa -- Liu, X Shirley -- Lazar, Mitchell A -- DK19525/DK/NIDDK NIH HHS/ -- DK43806/DK/NIDDK NIH HHS/ -- DK45586/DK/NIDDK NIH HHS/ -- DK49210/DK/NIDDK NIH HHS/ -- HG4069/HG/NHGRI NIH HHS/ -- P30 DK019525/DK/NIDDK NIH HHS/ -- R01 DK045586/DK/NIDDK NIH HHS/ -- R37 DK043806/DK/NIDDK NIH HHS/ -- R37 DK043806-20/DK/NIDDK NIH HHS/ -- RC1 DK086239/DK/NIDDK NIH HHS/ -- RC1DK08623/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2011 Mar 11;331(6022):1315-9. doi: 10.1126/science.1198125.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21393543" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Binding Sites ; Chromatin Immunoprecipitation ; Chronobiology Disorders/genetics/metabolism ; *Circadian Clocks ; *Circadian Rhythm ; DNA/metabolism ; Epigenesis, Genetic ; Fatty Liver/*metabolism ; Gene Expression Regulation ; *Genome ; Histone Deacetylases/*metabolism ; Histones/metabolism ; Homeostasis ; *Lipid Metabolism ; Lipogenesis/genetics ; Liver/*metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Molecular Sequence Data ; Nuclear Receptor Co-Repressor 1/metabolism ; Nuclear Receptor Subfamily 1, Group D, Member 1/genetics/metabolism ; RNA Polymerase II/metabolism ; Up-Regulation
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-07-09
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosbash, Michael -- New York, N.Y. -- Science. 2011 Jul 8;333(6039):136. doi: 10.1126/science.1210374.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21737707" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/*economics ; Budgets ; Financing, Government ; National Institutes of Health (U.S.)/*economics/organization & administration ; *Research Support as Topic ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-12-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- New York, N.Y. -- Science. 2011 Dec 2;334(6060):1192-3. doi: 10.1126/science.334.6060.1192.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22144591" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bioterrorism ; Ferrets ; *Host Specificity ; Humans ; Influenza A Virus, H5N1 Subtype/*genetics/*pathogenicity ; Influenza in Birds/virology ; Influenza, Human/epidemiology/mortality/transmission/*virology ; International Cooperation ; Netherlands ; Orthomyxoviridae Infections/epidemiology/transmission/veterinary/*virology ; *Pandemics ; Poultry ; Publishing ; Serial Passage ; United States ; United States Dept. of Health and Human Services
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 24
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-01-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hrabowski, Freeman A 3rd -- New York, N.Y. -- Science. 2011 Jan 14;331(6014):125. doi: 10.1126/science.1202388.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21233350" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Education, Graduate ; Engineering/education/manpower ; Humans ; Mathematics/*education/manpower ; Mentors ; Minority Groups/*education ; Science/*education/manpower ; Social Support ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 25
    Publikationsdatum: 2011-11-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fischer, Joern -- Batary, Peter -- Bawa, Kamaljit S -- Brussaard, Lijbert -- Chappell, M Jahi -- Clough, Yann -- Daily, Gretchen C -- Dorrough, Josh -- Hartel, Tibor -- Jackson, Louise E -- Klein, Alexandra M -- Kremen, Claire -- Kuemmerle, Tobias -- Lindenmayer, David B -- Mooney, Harold A -- Perfecto, Ivette -- Philpott, Stacy M -- Tscharntke, Teja -- Vandermeer, John -- Wanger, Thomas Cherico -- Von Wehrden, Henrik -- New York, N.Y. -- Science. 2011 Nov 4;334(6056):593; author reply 594-5. doi: 10.1126/science.334.6056.593-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22053026" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Agriculture ; Animals ; *Biodiversity ; *Conservation of Natural Resources ; Crops, Agricultural/*growth & development ; *Ecosystem ; *Food
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 26
    Publikationsdatum: 2011-08-13
    Beschreibung: Estimates suggest that only one-tenth of the true fungal diversity has been described. Among numerous fungal lineages known only from environmental DNA sequences, Soil Clone Group 1 is the most ubiquitous. These globally distributed fungi may dominate below-ground fungal communities, but their placement in the fungal tree of life has been uncertain. Here, we report cultures of this group and describe the class, Archaeorhizomycetes, phylogenetically placed within subphylum Taphrinomycotina in the Ascomycota. Archaeorhizomycetes comprises hundreds of cryptically reproducing filamentous species that do not form recognizable mycorrhizal structures and have saprotrophic potential, yet are omnipresent in roots and rhizosphere soil and show ecosystem and host root habitat specificity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosling, Anna -- Cox, Filipa -- Cruz-Martinez, Karelyn -- Ihrmark, Katarina -- Grelet, Gwen-Aelle -- Lindahl, Bjorn D -- Menkis, Audrius -- James, Timothy Y -- New York, N.Y. -- Science. 2011 Aug 12;333(6044):876-9. doi: 10.1126/science.1206958.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Forest Mycology and Pathology, Uppsala BioCentre, SLU, Box 7026, 750 07 Uppsala, Sweden. anna.rosling@slu.se〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21836015" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Ascomycota/classification/genetics/growth & development/isolation & purification ; Coniferophyta/microbiology ; *Ecosystem ; Genes, Fungal ; Genes, rRNA ; Meristem/*microbiology ; Molecular Sequence Data ; *Mycorrhizae/classification/genetics ; Phylogeny ; Rhizosphere ; *Soil Microbiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-03-10
    Beschreibung: DNA transposons are mobile genetic elements that have shaped the genomes of eukaryotes for millions of years, yet their origins remain obscure. We discovered a virophage that, on the basis of genetic homology, likely represents an evolutionary link between double-stranded DNA viruses and Maverick/Polinton eukaryotic DNA transposons. The Mavirus virophage parasitizes the giant Cafeteria roenbergensis virus and encodes 20 predicted proteins, including a retroviral integrase and a protein-primed DNA polymerase B. On the basis of our data, we conclude that Maverick/Polinton transposons may have originated from ancient relatives of Mavirus, and thereby influenced the evolution of eukaryotic genomes, although we cannot rule out alternative evolutionary scenarios.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fischer, Matthias G -- Suttle, Curtis A -- New York, N.Y. -- Science. 2011 Apr 8;332(6026):231-4. doi: 10.1126/science.1199412. Epub 2011 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, 1365-2350 Health Sciences Mall, University of British Columbia, Vancouver V6T 1Z3, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21385722" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; *DNA Transposable Elements ; DNA Viruses/*genetics/*physiology ; DNA, Viral/genetics ; DNA-Directed DNA Polymerase/genetics ; *Evolution, Molecular ; Genome, Viral ; Integrases/chemistry/genetics ; Molecular Sequence Data ; Phylogeny ; Satellite Viruses/*genetics/*physiology ; Stramenopiles/virology ; Viral Proteins/chemistry/genetics ; Virus Replication
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 28
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-07-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fisher, Brendan -- Naidoo, Robin -- New York, N.Y. -- Science. 2011 Jul 15;333(6040):287; author reply 287-8. doi: 10.1126/science.333.6040.287-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21764731" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agriculture/*economics ; Animals ; *Chiroptera ; Crops, Agricultural/*economics ; *Ecosystem ; Pest Control, Biological/*economics ; Population Dynamics ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 29
    Publikationsdatum: 2011-05-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reganold, J P -- Jackson-Smith, D -- Batie, S S -- Harwood, R R -- Kornegay, J L -- Bucks, D -- Flora, C B -- Hanson, J C -- Jury, W A -- Meyer, D -- Schumacher, A Jr -- Sehmsdorf, H -- Shennan, C -- Thrupp, L A -- Willis, P -- New York, N.Y. -- Science. 2011 May 6;332(6030):670-1. doi: 10.1126/science.1202462.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Washington State University, Pullman, WA 99164, USA. reganold@wsu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21551050" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Agriculture/economics/legislation & jurisprudence/methods ; Conservation of Natural Resources ; Environment ; Policy ; Politics ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-03-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- New York, N.Y. -- Science. 2011 Mar 25;331(6024):1549. doi: 10.1126/science.331.6024.1549.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436440" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Advisory Committees ; *Breast Neoplasms/diagnosis/prevention & control/therapy ; Canada ; *Delivery of Health Care ; Developing Countries ; Female ; *Health Knowledge, Attitudes, Practice ; Health Services Accessibility ; History, 20th Century ; History, 21st Century ; Humans ; Mexico ; *Neoplasms/diagnosis/therapy ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-05-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huff, James -- New York, N.Y. -- Science. 2011 May 20;332(6032):916-7. doi: 10.1126/science.332.6032.916-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21596974" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Carcinogenicity Tests ; *Carcinogens/classification/toxicity ; Environmental Exposure ; Humans ; Neoplasms/*prevention & control ; Occupational Exposure ; Primary Prevention ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 32
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, Christopher -- New York, N.Y. -- Science. 2011 Aug 19;333(6045):936. doi: 10.1126/science.333.6045.936-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21852471" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biodiversity ; *Conservation of Natural Resources ; *Ecosystem ; *Introduced Species
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 33
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-03-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 2011 Mar 25;331(6024):1540-4. doi: 10.1126/science.331.6024.1540-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436435" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antineoplastic Agents/history/therapeutic use ; Biomedical Research/*history ; History, 20th Century ; History, 21st Century ; Humans ; National Cancer Institute (U.S.)/*history/legislation & jurisprudence ; Neoplasms/epidemiology/*history/therapy ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 34
    Publikationsdatum: 2011-04-30
    Beschreibung: Catastrophic ecological regime shifts may be announced in advance by statistical early warning signals such as slowing return rates from perturbation and rising variance. The theoretical background for these indicators is rich, but real-world tests are rare, especially for whole ecosystems. We tested the hypothesis that these statistics would be early warning signals for an experimentally induced regime shift in an aquatic food web. We gradually added top predators to a lake over 3 years to destabilize its food web. An adjacent lake was monitored simultaneously as a reference ecosystem. Warning signals of a regime shift were evident in the manipulated lake during reorganization of the food web more than a year before the food web transition was complete, corroborating theory for leading indicators of ecological regime shifts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carpenter, S R -- Cole, J J -- Pace, M L -- Batt, R -- Brock, W A -- Cline, T -- Coloso, J -- Hodgson, J R -- Kitchell, J F -- Seekell, D A -- Smith, L -- Weidel, B -- New York, N.Y. -- Science. 2011 May 27;332(6033):1079-82. doi: 10.1126/science.1203672. Epub 2011 Apr 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Limnology, University of Wisconsin, Madison, WI 53706, USA. srcarpen@wisc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21527677" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bass ; Biomass ; Chlorophyll/analysis ; *Ecosystem ; *Fishes ; *Food Chain ; *Fresh Water/chemistry ; Models, Biological ; Nonlinear Dynamics ; *Phytoplankton ; Population Dynamics ; *Zooplankton
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  • 35
    Publikationsdatum: 2011-05-14
    Beschreibung: We describe a general computational method for designing proteins that bind a surface patch of interest on a target macromolecule. Favorable interactions between disembodied amino acid residues and the target surface are identified and used to anchor de novo designed interfaces. The method was used to design proteins that bind a conserved surface patch on the stem of the influenza hemagglutinin (HA) from the 1918 H1N1 pandemic virus. After affinity maturation, two of the designed proteins, HB36 and HB80, bind H1 and H5 HAs with low nanomolar affinity. Further, HB80 inhibits the HA fusogenic conformational changes induced at low pH. The crystal structure of HB36 in complex with 1918/H1 HA revealed that the actual binding interface is nearly identical to that in the computational design model. Such designed binding proteins may be useful for both diagnostics and therapeutics.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3164876/" 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/PMC3164876/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fleishman, Sarel J -- Whitehead, Timothy A -- Ekiert, Damian C -- Dreyfus, Cyrille -- Corn, Jacob E -- Strauch, Eva-Maria -- Wilson, Ian A -- Baker, David -- AI057141/AI/NIAID NIH HHS/ -- AI058113/AI/NIAID NIH HHS/ -- GM080209/GM/NIGMS NIH HHS/ -- P01 AI058113/AI/NIAID NIH HHS/ -- P01 AI058113-07/AI/NIAID NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 May 13;332(6031):816-21. doi: 10.1126/science.1202617.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Washington, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21566186" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Algorithms ; Amino Acid Sequence ; Binding Sites ; Computational Biology ; *Computer Simulation ; Hemagglutinin Glycoproteins, Influenza Virus/chemistry/*metabolism ; Hydrogen Bonding ; Hydrogen-Ion Concentration ; Hydrophobic and Hydrophilic Interactions ; *Models, Molecular ; Molecular Sequence Data ; Mutation ; Peptide Library ; Protein Binding ; Protein Conformation ; *Protein Engineering ; Protein Interaction Domains and Motifs ; Protein Structure, Secondary ; Proteins/*chemistry/genetics/*metabolism ; Software
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  • 36
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nichols, Rodney W -- New York, N.Y. -- Science. 2011 Sep 9;333(6048):1381. doi: 10.1126/science.333.6048.1381-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21903795" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Budgets ; Financing, Government ; *International Cooperation ; United States ; *United States Agency for International Development
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 37
    Publikationsdatum: 2011-08-06
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hulme, Mike -- Mahony, Martin -- Beck, Silke -- Gorg, Christoph -- Hansjurgens, Bernd -- Hauck, Jennifer -- Nesshover, Carsten -- Paulsch, Axel -- Vandewalle, Marie -- Wittmer, Heidi -- Boschen, Stefan -- Bridgewater, Peter -- Diaw, Mariteuw Chimere -- Fabre, Pierre -- Figueroa, Aurelia -- Heong, Kong Luen -- Korn, Horst -- Leemans, Rik -- Lovbrand, Eva -- Hamid, Mohd Norowi -- Monfreda, Chad -- Pielke, Roger Jr -- Settele, Josef -- Winter, Marten -- Vadrot, Alice B M -- van den Hove, Sybille -- van der Sluijs, Jeroen P -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):697-8. doi: 10.1126/science.333.6043.697.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21817033" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Biodiversity ; *Ecosystem ; *Policy ; Policy Making
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  • 38
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-02-19
    Beschreibung: Dyneins are microtubule-based motor proteins that power ciliary beating, transport intracellular cargos, and help to construct the mitotic spindle. Evolved from ring-shaped hexameric AAA-family adenosine triphosphatases (ATPases), dynein's large size and complexity have posed challenges for understanding its structure and mechanism. Here, we present a 6 angstrom crystal structure of a functional dimer of two ~300-kilodalton motor domains of yeast cytoplasmic dynein. The structure reveals an unusual asymmetric arrangement of ATPase domains in the ring-shaped motor domain, the manner in which the mechanical element interacts with the ATPase ring, and an unexpected interaction between two coiled coils that create a base for the microtubule binding domain. The arrangement of these elements provides clues as to how adenosine triphosphate-driven conformational changes might be transmitted across the motor domain.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3169322/" 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/PMC3169322/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carter, Andrew P -- Cho, Carol -- Jin, Lan -- Vale, Ronald D -- MC_UP_A025_1011/Medical Research Council/United Kingdom -- R01 GM097312/GM/NIGMS NIH HHS/ -- R01 GM097312-01/GM/NIGMS NIH HHS/ -- R01 GM097312-02/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Mar 4;331(6021):1159-65. doi: 10.1126/science.1202393. Epub 2011 Feb 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular and Molecular Pharmacology, Howard Hughes Medical Institute, University of California-San Francisco, 600 16th Street, San Francisco, CA 94158, USA. cartera@mrc-lmb.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21330489" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Triphosphate/metabolism ; Allosteric Regulation ; Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; Cytoplasmic Dyneins/*chemistry/*metabolism ; Methionine/chemistry ; Microtubules/*metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Conformation ; Protein Folding ; Protein Multimerization ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/chemistry ; Saccharomyces cerevisiae Proteins/*chemistry/*metabolism
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  • 39
    facet.materialart.
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flueck, Werner T -- New York, N.Y. -- Science. 2011 Aug 26;333(6046):1092-3. doi: 10.1126/science.333.6046.1092-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21868651" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Ecosystem ; Entropy ; *Food Chain ; Photosynthesis ; Predatory Behavior ; Temperature
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 40
    Publikationsdatum: 2011-05-21
    Beschreibung: The transmission of information from DNA to RNA is a critical process. We compared RNA sequences from human B cells of 27 individuals to the corresponding DNA sequences from the same individuals and uncovered more than 10,000 exonic sites where the RNA sequences do not match that of the DNA. All 12 possible categories of discordances were observed. These differences were nonrandom as many sites were found in multiple individuals and in different cell types, including primary skin cells and brain tissues. Using mass spectrometry, we detected peptides that are translated from the discordant RNA sequences and thus do not correspond exactly to the DNA sequences. These widespread RNA-DNA differences in the human transcriptome provide a yet unexplored aspect of genome variation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3204392/" 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/PMC3204392/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Mingyao -- Wang, Isabel X -- Li, Yun -- Bruzel, Alan -- Richards, Allison L -- Toung, Jonathan M -- Cheung, Vivian G -- R01 HG005854/HG/NHGRI NIH HHS/ -- R01 HG005854-01/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Jul 1;333(6038):53-8. doi: 10.1126/science.1207018. Epub 2011 May 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biostatistics, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21596952" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Aged ; Amino Acid Sequence ; B-Lymphocytes ; Base Sequence ; Cell Line ; Cerebral Cortex/cytology ; DNA/chemistry/*genetics ; Exons ; Expressed Sequence Tags ; Fibroblasts ; Gene Expression Profiling ; *Genetic Variation ; *Genome, Human ; Genotype ; Humans ; Mass Spectrometry ; Middle Aged ; Molecular Sequence Data ; Polymorphism, Single Nucleotide ; Protein Biosynthesis ; Proteins/chemistry ; Proteome/chemistry ; RNA, Messenger/chemistry/*genetics ; Sequence Analysis, DNA ; Sequence Analysis, RNA ; Skin/cytology ; Untranslated Regions
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  • 41
    Publikationsdatum: 2011-03-19
    Beschreibung: In prokaryotes and eukaryotes, most genes appear to be transcribed during short periods called transcriptional bursts, interspersed by silent intervals. We describe how such bursts generate gene-specific temporal patterns of messenger RNA (mRNA) synthesis in mammalian cells. To monitor transcription at high temporal resolution, we established various gene trap cell lines and transgenic cell lines expressing a short-lived luciferase protein from an unstable mRNA, and recorded bioluminescence in real time in single cells. Mathematical modeling identified gene-specific on- and off-switching rates in transcriptional activity and mean numbers of mRNAs produced during the bursts. Transcriptional kinetics were markedly altered by cis-regulatory DNA elements. Our analysis demonstrated that bursting kinetics are highly gene-specific, reflecting refractory periods during which genes stay inactive for a certain time before switching on again.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suter, David M -- Molina, Nacho -- Gatfield, David -- Schneider, Kim -- Schibler, Ueli -- Naef, Felix -- New York, N.Y. -- Science. 2011 Apr 22;332(6028):472-4. doi: 10.1126/science.1198817. Epub 2011 Mar 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Sciences III, University of Geneva, 30 Quai Ernest Ansermet, 1211 Geneva, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21415320" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acetylation ; Animals ; Cells, Cultured ; Chromatin/physiology ; Circadian Rhythm/genetics ; Down-Regulation ; *Gene Expression ; Histones/metabolism ; Kinetics ; Luminescent Measurements ; Mice ; Models, Genetic ; NIH 3T3 Cells ; Promoter Regions, Genetic ; Protein Biosynthesis ; RNA, Messenger/genetics/metabolism ; Stochastic Processes ; *Transcription, Genetic ; Transcriptional Activation ; Transgenes ; Up-Regulation
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 42
    Publikationsdatum: 2011-04-23
    Beschreibung: The fission yeast clade--comprising Schizosaccharomyces pombe, S. octosporus, S. cryophilus, and S. japonicus--occupies the basal branch of Ascomycete fungi and is an important model of eukaryote biology. A comparative annotation of these genomes identified a near extinction of transposons and the associated innovation of transposon-free centromeres. Expression analysis established that meiotic genes are subject to antisense transcription during vegetative growth, which suggests a mechanism for their tight regulation. In addition, trans-acting regulators control new genes within the context of expanded functional modules for meiosis and stress response. Differences in gene content and regulation also explain why, unlike the budding yeast of Saccharomycotina, fission yeasts cannot use ethanol as a primary carbon source. These analyses elucidate the genome structure and gene regulation of fission yeast and provide tools for investigation across the Schizosaccharomyces clade.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3131103/" 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/PMC3131103/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rhind, Nicholas -- Chen, Zehua -- Yassour, Moran -- Thompson, Dawn A -- Haas, Brian J -- Habib, Naomi -- Wapinski, Ilan -- Roy, Sushmita -- Lin, Michael F -- Heiman, David I -- Young, Sarah K -- Furuya, Kanji -- Guo, Yabin -- Pidoux, Alison -- Chen, Huei Mei -- Robbertse, Barbara -- Goldberg, Jonathan M -- Aoki, Keita -- Bayne, Elizabeth H -- Berlin, Aaron M -- Desjardins, Christopher A -- Dobbs, Edward -- Dukaj, Livio -- Fan, Lin -- FitzGerald, Michael G -- French, Courtney -- Gujja, Sharvari -- Hansen, Klavs -- Keifenheim, Dan -- Levin, Joshua Z -- Mosher, Rebecca A -- Muller, Carolin A -- Pfiffner, Jenna -- Priest, Margaret -- Russ, Carsten -- Smialowska, Agata -- Swoboda, Peter -- Sykes, Sean M -- Vaughn, Matthew -- Vengrova, Sonya -- Yoder, Ryan -- Zeng, Qiandong -- Allshire, Robin -- Baulcombe, David -- Birren, Bruce W -- Brown, William -- Ekwall, Karl -- Kellis, Manolis -- Leatherwood, Janet -- Levin, Henry -- Margalit, Hanah -- Martienssen, Rob -- Nieduszynski, Conrad A -- Spatafora, Joseph W -- Friedman, Nir -- Dalgaard, Jacob Z -- Baumann, Peter -- Niki, Hironori -- Regev, Aviv -- Nusbaum, Chad -- BB/E023754/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- DP1 OD003958/OD/NIH HHS/ -- R01 GM069957/GM/NIGMS NIH HHS/ -- R01 GM076396/GM/NIGMS NIH HHS/ -- R01 HG004037/HG/NHGRI NIH HHS/ -- U54 HG003067/HG/NHGRI NIH HHS/ -- U54 HG003067-06/HG/NHGRI NIH HHS/ -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 May 20;332(6032):930-6. doi: 10.1126/science.1203357. Epub 2011 Apr 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, 364 Plantation Street, Worcester, MA 01605, USA. nick.rhind@umassmed.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21511999" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Centromere/genetics/physiology/ultrastructure ; DNA Transposable Elements ; Evolution, Molecular ; Gene Expression Profiling ; Gene Expression Regulation, Fungal ; Genes, Mating Type, Fungal ; *Genome, Fungal ; Genomics ; Glucose/metabolism ; Meiosis ; Molecular Sequence Annotation ; Molecular Sequence Data ; Phylogeny ; RNA, Antisense/genetics ; RNA, Fungal/genetics ; RNA, Small Interfering/genetics ; RNA, Untranslated/genetics ; Regulatory Elements, Transcriptional ; Schizosaccharomyces/*genetics/growth & development/metabolism ; Schizosaccharomyces pombe Proteins/genetics/metabolism ; Sequence Analysis, DNA ; Species Specificity ; Transcription Factors/genetics/metabolism ; Transcription, Genetic
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  • 43
    Publikationsdatum: 2011-12-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jepson, Paul -- Jennings, Steve -- Jones, Kate E -- Hodgetts, Timothy -- New York, N.Y. -- Science. 2011 Dec 9;334(6061):1351-2. doi: 10.1126/science.1213189.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Geography and the Environment, University of Oxford, Oxford, OX1 3QY, UK. paul.jepson@ouce.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22158806" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Conservation of Natural Resources/*economics ; *Ecosystem ; *Environment ; International Cooperation ; Motion Pictures as Topic/*economics ; Organizations, Nonprofit ; Policy ; Television/*economics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 44
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-12-17
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caruthers, Marvin -- Wells, Robert -- New York, N.Y. -- Science. 2011 Dec 16;334(6062):1511. doi: 10.1126/science.1217138.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309, USA. marvin.caruthers@colorado.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22174242" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biology/*history ; Chemistry/*history ; History, 20th Century ; History, 21st Century ; Nobel Prize ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 45
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-03
    Beschreibung: In our view, synthetic biology is an extension of the continuum of genetic science that has been used safely for more than 40 years by the biotechnology industry in the development of commercial products. Examples of synthetic biology use by biotechnology companies illustrate the potential to substantially reduce research and development time and to increase speed to market. Improvements in the speed and cost of DNA synthesis are enabling scientists to design modified bacterial chromosomes that can be used in the production of renewable chemicals, biofuels, bioproducts, renewable specialty chemicals, pharmaceutical intermediates, fine chemicals, food ingredients, and health care products. Regulatory options should support innovation and commercial development of new products while protecting the public from potential harms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erickson, Brent -- Singh, Rina -- Winters, Paul -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1254-6. doi: 10.1126/science.1211066.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biotechnology Industry Organization (BIO), Washington, DC 20024, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885775" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bioethical Issues ; *Biotechnology/ethics/legislation & jurisprudence/methods/standards ; Diffusion of Innovation ; Genetic Engineering ; *Government Regulation ; Guidelines as Topic ; Public Policy ; *Synthetic Biology/ethics/legislation & jurisprudence/methods/standards ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-12-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lieberman Aiden, Erez -- 1DP2OD008540-01/OD/NIH HHS/ -- New York, N.Y. -- Science. 2011 Dec 2;334(6060):1222-3. doi: 10.1126/science.1216288.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard Society of Fellows, Harvard University, Cambridge, MA 02138, USA. erez@erez.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22144611" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Awards and Prizes ; Cell Nucleus/*ultrastructure ; Chromatin/*chemistry ; *Chromosome Mapping ; Chromosomes, Human/chemistry/ultrastructure ; DNA/*chemistry ; *Genetic Loci ; *Genome, Human ; History, 21st Century ; Humans ; Nucleic Acid Conformation ; Protein Folding ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 47
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-10-29
    Beschreibung: An outstanding challenge in the field of molecular biology has been to understand the process by which proteins fold into their characteristic three-dimensional structures. Here, we report the results of atomic-level molecular dynamics simulations, over periods ranging between 100 mus and 1 ms, that reveal a set of common principles underlying the folding of 12 structurally diverse proteins. In simulations conducted with a single physics-based energy function, the proteins, representing all three major structural classes, spontaneously and repeatedly fold to their experimentally determined native structures. Early in the folding process, the protein backbone adopts a nativelike topology while certain secondary structure elements and a small number of nonlocal contacts form. In most cases, folding follows a single dominant route in which elements of the native structure appear in an order highly correlated with their propensity to form in the unfolded state.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lindorff-Larsen, Kresten -- Piana, Stefano -- Dror, Ron O -- Shaw, David E -- New York, N.Y. -- Science. 2011 Oct 28;334(6055):517-20. doi: 10.1126/science.1208351.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉D. E. Shaw Research, New York, NY 10036, USA. kresten.lindorff-larsen@DEShawResearch.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22034434" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Kinetics ; Molecular Dynamics Simulation ; Protein Conformation ; *Protein Folding ; Protein Structure, Secondary ; Proteins/*chemistry ; Thermodynamics
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  • 48
    Publikationsdatum: 2011-07-23
    Beschreibung: Apicomplexan parasites such as Toxoplasma gondii and Plasmodium species actively invade host cells through a moving junction (MJ) complex assembled at the parasite-host cell interface. MJ assembly is initiated by injection of parasite rhoptry neck proteins (RONs) into the host cell, where RON2 spans the membrane and functions as a receptor for apical membrane antigen 1 (AMA1) on the parasite. We have determined the structure of TgAMA1 complexed with a RON2 peptide at 1.95 angstrom resolution. A stepwise assembly mechanism results in an extensive buried surface area, enabling the MJ complex to resist the mechanical forces encountered during host cell invasion. Besides providing insights into host cell invasion by apicomplexan parasites, the structure offers a basis for designing therapeutics targeting these global pathogens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tonkin, Michelle L -- Roques, Magali -- Lamarque, Mauld H -- Pugniere, Martine -- Douguet, Dominique -- Crawford, Joanna -- Lebrun, Maryse -- Boulanger, Martin J -- MOP82915/Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2011 Jul 22;333(6041):463-7. doi: 10.1126/science.1204988.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Microbiology, University of Victoria, Victoria, British Columbia V8W 3P6, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21778402" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Amino Acid Substitution ; Antibodies, Monoclonal/immunology ; Antibodies, Protozoan/immunology ; Antigens, Protozoan/*chemistry/genetics/immunology/*metabolism ; *Host-Parasite Interactions ; Hydrophobic and Hydrophilic Interactions ; Membrane Proteins/chemistry/immunology/metabolism ; Models, Molecular ; Molecular Sequence Data ; Mutagenesis ; Peptide Fragments/chemistry/metabolism ; Plasmodium falciparum/chemistry/metabolism/pathogenicity ; Protein Binding ; Protein Conformation ; Protein Interaction Domains and Motifs ; Protein Structure, Secondary ; Protozoan Proteins/*chemistry/immunology/*metabolism ; Toxoplasma/chemistry/*metabolism/*pathogenicity/ultrastructure
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  • 49
    Publikationsdatum: 2011-08-27
    Beschreibung: Zhao and Running (Reports, 20 August 2010, p. 940) reported a reduction in global terrestrial net primary production (NPP) from 2000 through 2009. We argue that the small trends, regional patterns, and interannual variations that they describe are artifacts of their NPP model. Satellite observations of vegetation activity show no statistically significant changes in more than 85% of the vegetated lands south of 70 degrees N during the same 2000 to 2009 period.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Samanta, Arindam -- Costa, Marcos H -- Nunes, Edson L -- Vieira, Simone A -- Xu, Liang -- Myneni, Ranga B -- New York, N.Y. -- Science. 2011 Aug 26;333(6046):1093; author reply 1093. doi: 10.1126/science.1199048.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geography and Environment, Boston University, Boston, MA 02215, USA. arindam.sam@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21868655" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Atmosphere ; Biomass ; *Carbon Cycle ; Carbon Dioxide ; *Droughts ; *Ecosystem ; Photosynthesis ; Plants/*metabolism ; South America
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  • 50
    Publikationsdatum: 2011-03-26
    Beschreibung: Axon-dendrite polarization is crucial for neural network wiring and information processing in the brain. Polarization begins with the transformation of a single neurite into an axon and its subsequent rapid extension, which requires coordination of cellular energy status to allow for transport of building materials to support axon growth. We found that activation of the energy-sensing adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) pathway suppressed axon initiation and neuronal polarization. Phosphorylation of the kinesin light chain of the Kif5 motor protein by AMPK disrupted the association of the motor with phosphatidylinositol 3-kinase (PI3K), preventing PI3K targeting to the axonal tip and inhibiting polarization and axon growth.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3325765/" 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/PMC3325765/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amato, Stephen -- Liu, Xiuxin -- Zheng, Bin -- Cantley, Lewis -- Rakic, Pasko -- Man, Heng-Ye -- GM41890/GM/NIGMS NIH HHS/ -- GM56203/GM/NIGMS NIH HHS/ -- K99CA133245/CA/NCI NIH HHS/ -- MH07907/MH/NIMH NIH HHS/ -- R00 CA133245/CA/NCI NIH HHS/ -- R01 GM056203/GM/NIGMS NIH HHS/ -- R01 NS014841/NS/NINDS NIH HHS/ -- R01 NS014841-32/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2011 Apr 8;332(6026):247-51. doi: 10.1126/science.1201678. Epub 2011 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Boston University, 5 Cummington Street, Boston, MA 02215, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436401" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): AMP-Activated Protein Kinases/*metabolism ; Aminoimidazole Carboxamide/analogs & derivatives/pharmacology ; Animals ; Axons/enzymology/*physiology/ultrastructure ; *Cell Polarity/drug effects ; Cells, Cultured ; Hippocampus/cytology/embryology ; Metformin/pharmacology ; Mice ; Microtubule-Associated Proteins/metabolism ; Neurons/cytology/drug effects/enzymology/*physiology ; Phosphatidylinositol 3-Kinase/*metabolism ; Phosphorylation ; Proto-Oncogene Proteins c-akt/metabolism ; Rats ; Recombinant Fusion Proteins/metabolism ; Ribonucleotides/pharmacology ; Signal Transduction ; Tissue Culture Techniques
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 51
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-10-25
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pala, Christopher -- New York, N.Y. -- Science. 2011 Oct 21;334(6054):303. doi: 10.1126/science.334.6054.303.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22021832" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biomass ; *Ecosystem ; *Fisheries ; *Fishes ; *Fresh Water ; Kazakhstan ; Oceans and Seas ; Salinity
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  • 52
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-12-17
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Joel E -- New York, N.Y. -- Science. 2011 Dec 16;334(6062):1472. doi: 10.1126/science.1217478.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22174216" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Communication ; *Disaster Planning ; *Earthquakes ; Italy ; *Public Policy ; *Science/education ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 53
    Publikationsdatum: 2011-05-28
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kelly, R P -- Foley, M M -- Fisher, W S -- Feely, R A -- Halpern, B S -- Waldbusser, G G -- Caldwell, M R -- New York, N.Y. -- Science. 2011 May 27;332(6033):1036-7. doi: 10.1126/science.1203815.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Ocean Solutions, Stanford University, Stanford, CA 94305, USA. rpk@stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21617060" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Conservation of Natural Resources/*legislation & jurisprudence ; Ecosystem ; Hydrogen-Ion Concentration ; Oceans and Seas ; Seawater/*chemistry ; United States ; Water Pollution/legislation & jurisprudence
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  • 54
    Publikationsdatum: 2011-03-19
    Beschreibung: Decreased cardiac contractility is a central feature of systolic heart failure. Existing drugs increase cardiac contractility indirectly through signaling cascades but are limited by their mechanism-related adverse effects. To avoid these limitations, we previously developed omecamtiv mecarbil, a small-molecule, direct activator of cardiac myosin. Here, we show that it binds to the myosin catalytic domain and operates by an allosteric mechanism to increase the transition rate of myosin into the strongly actin-bound force-generating state. Paradoxically, it inhibits adenosine 5'-triphosphate turnover in the absence of actin, which suggests that it stabilizes an actin-bound conformation of myosin. In animal models, omecamtiv mecarbil increases cardiac function by increasing the duration of ejection without changing the rates of contraction. Cardiac myosin activation may provide a new therapeutic approach for systolic heart failure.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4090309/" 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/PMC4090309/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Malik, Fady I -- Hartman, James J -- Elias, Kathleen A -- Morgan, Bradley P -- Rodriguez, Hector -- Brejc, Katjusa -- Anderson, Robert L -- Sueoka, Sandra H -- Lee, Kenneth H -- Finer, Jeffrey T -- Sakowicz, Roman -- Baliga, Ramesh -- Cox, David R -- Garard, Marc -- Godinez, Guillermo -- Kawas, Raja -- Kraynack, Erica -- Lenzi, David -- Lu, Pu Ping -- Muci, Alexander -- Niu, Congrong -- Qian, Xiangping -- Pierce, Daniel W -- Pokrovskii, Maria -- Suehiro, Ion -- Sylvester, Sheila -- Tochimoto, Todd -- Valdez, Corey -- Wang, Wenyue -- Katori, Tatsuo -- Kass, David A -- Shen, You-Tang -- Vatner, Stephen F -- Morgans, David J -- 1-R43-HL-66647-1/HL/NHLBI NIH HHS/ -- R01 HL106511/HL/NHLBI NIH HHS/ -- R43 HL066647/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2011 Mar 18;331(6023):1439-43. doi: 10.1126/science.1200113.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Preclinical Research and Development, Cytokinetics, Inc., South San Francisco, CA 94080, USA. fmalik@cytokinetics.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21415352" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Actin Cytoskeleton/metabolism ; Actins/metabolism ; Adenosine Triphosphatases/metabolism ; Adenosine Triphosphate/metabolism ; Adrenergic beta-Agonists/pharmacology ; Allosteric Regulation ; Animals ; Binding Sites ; Calcium/metabolism ; Cardiac Myosins/chemistry/*metabolism ; Cardiac Output/drug effects ; Dogs ; Female ; Heart Failure, Systolic/*drug therapy/physiopathology ; Isoproterenol/pharmacology ; Male ; Myocardial Contraction/*drug effects ; Myocytes, Cardiac/*drug effects/physiology ; Phosphates/metabolism ; Protein Binding ; Protein Conformation ; Protein Isoforms/chemistry/metabolism ; Rats ; Rats, Sprague-Dawley ; Urea/*analogs & derivatives/chemistry/metabolism/pharmacology ; Ventricular Function, Left/drug effects
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  • 55
    Publikationsdatum: 2011-07-23
    Beschreibung: Many physiological responses in present-day coral reefs to climate change are interpreted as consistent with the imminent disappearance of modern reefs globally because of annual mass bleaching events, carbonate dissolution, and insufficient time for substantial evolutionary responses. Emerging evidence for variability in the coral calcification response to acidification, geographical variation in bleaching susceptibility and recovery, responses to past climate change, and potential rates of adaptation to rapid warming supports an alternative scenario in which reef degradation occurs with greater temporal and spatial heterogeneity than current projections suggest. Reducing uncertainty in projecting coral reef futures requires improved understanding of past responses to rapid climate change; physiological responses to interacting factors, such as temperature, acidification, and nutrients; and the costs and constraints imposed by acclimation and adaptation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pandolfi, John M -- Connolly, Sean R -- Marshall, Dustin J -- Cohen, Anne L -- New York, N.Y. -- Science. 2011 Jul 22;333(6041):418-22. doi: 10.1126/science.1204794.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Australian Research Council (ARC) Centre of Excellence for Coral Reef Studies, St. Lucia, Queensland 4072, Australia. j.pandolfi@uq.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21778392" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Anthozoa/physiology ; Biodiversity ; Biological Evolution ; Calcification, Physiologic ; Carbon Dioxide/analysis ; Conservation of Natural Resources ; *Ecosystem ; Forecasting ; *Global Warming ; Hydrogen-Ion Concentration ; Oceans and Seas ; Seawater/*chemistry ; Symbiosis
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 56
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Godfray, H Charles J -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1231-2. doi: 10.1126/science.1211815.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Zoology and Oxford Martin School Institute of Biodiversity, University of Oxford, Oxford OX1 3PS, UK. charles.godfray@zoo.ox.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885765" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Agriculture ; Animals ; *Biodiversity ; Birds ; *Conservation of Natural Resources ; Crops, Agricultural/*growth & development ; *Ecosystem ; *Food ; Ghana ; India ; Population Density ; Trees
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  • 57
    Publikationsdatum: 2011-07-30
    Beschreibung: The initiation of transcription by RNA polymerase II is a multistage process. X-ray crystal structures of transcription complexes containing short RNAs reveal three structural states: one with 2- and 3-nucleotide RNAs, in which only the 3'-end of the RNA is detectable; a second state with 4- and 5-nucleotide RNAs, with an RNA-DNA hybrid in a grossly distorted conformation; and a third state with RNAs of 6 nucleotides and longer, essentially the same as a stable elongating complex. The transition from the first to the second state correlates with a markedly reduced frequency of abortive initiation. The transition from the second to the third state correlates with partial "bubble collapse" and promoter escape. Polymerase structure is permissive for abortive initiation, thereby setting a lower limit on polymerase-promoter complex lifetime and allowing the dissociation of nonspecific complexes. Abortive initiation may be viewed as promoter proofreading, and the structural transitions as checkpoints for promoter control.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3179255/" 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/PMC3179255/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Xin -- Bushnell, David A -- Silva, Daniel-Adriano -- Huang, Xuhui -- Kornberg, Roger D -- AI21144/AI/NIAID NIH HHS/ -- GM049985/GM/NIGMS NIH HHS/ -- R01 AI021144/AI/NIAID NIH HHS/ -- R01 AI021144-27/AI/NIAID NIH HHS/ -- R01 GM036659/GM/NIGMS NIH HHS/ -- R01 GM049985/GM/NIGMS NIH HHS/ -- R01 GM049985-19/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Jul 29;333(6042):633-7. doi: 10.1126/science.1206629.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21798951" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Crystallization ; Crystallography, X-Ray ; Models, Molecular ; Molecular Dynamics Simulation ; Nucleic Acid Conformation ; Oligodeoxyribonucleotides/chemistry/metabolism ; Oligoribonucleotides/chemistry/metabolism ; *Promoter Regions, Genetic ; Protein Conformation ; Protein Structure, Tertiary ; RNA Polymerase II/*chemistry/metabolism ; Saccharomyces cerevisiae/genetics ; Saccharomyces cerevisiae Proteins/*chemistry/metabolism ; Templates, Genetic ; Transcription Factor TFIIB/chemistry/metabolism ; Transcription Initiation Site ; *Transcription, Genetic
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  • 58
    Publikationsdatum: 2011-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barcellos-Hoff, Mary Helen -- Brenner, David J -- Brooks, Antone L -- Formenti, Silvia -- Hlatky, Lyn -- Locke, Paul A -- Shore, Roy -- Tenforde, Thomas -- Travis, Elizabeth L -- Williams, Jacqueline -- New York, N.Y. -- Science. 2011 Apr 15;332(6027):305-6. doi: 10.1126/science.332.6027.305-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21493843" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/*economics ; Budgets ; Humans ; *Radiation Dosage ; *Radiation Effects ; United States ; United States Government Agencies/economics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 59
    Publikationsdatum: 2011-04-02
    Beschreibung: Heparan and chondroitin sulfate proteoglycans (HSPGs and CSPGs, respectively) regulate numerous cell surface signaling events, with typically opposite effects on cell function. CSPGs inhibit nerve regeneration through receptor protein tyrosine phosphatase sigma (RPTPsigma). Here we report that RPTPsigma acts bimodally in sensory neuron extension, mediating CSPG inhibition and HSPG growth promotion. Crystallographic analyses of a shared HSPG-CSPG binding site reveal a conformational plasticity that can accommodate diverse glycosaminoglycans with comparable affinities. Heparan sulfate and analogs induced RPTPsigma ectodomain oligomerization in solution, which was inhibited by chondroitin sulfate. RPTPsigma and HSPGs colocalize in puncta on sensory neurons in culture, whereas CSPGs occupy the extracellular matrix. These results lead to a model where proteoglycans can exert opposing effects on neuronal extension by competing to control the oligomerization of a common receptor.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3154093/" 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/PMC3154093/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coles, Charlotte H -- Shen, Yingjie -- Tenney, Alan P -- Siebold, Christian -- Sutton, Geoffrey C -- Lu, Weixian -- Gallagher, John T -- Jones, E Yvonne -- Flanagan, John G -- Aricescu, A Radu -- 090532/Wellcome Trust/United Kingdom -- 10976/Cancer Research UK/United Kingdom -- EY11559/EY/NEI NIH HHS/ -- G0700232/Medical Research Council/United Kingdom -- G0900084/Medical Research Council/United Kingdom -- HD29417/HD/NICHD NIH HHS/ -- R01 EY011559/EY/NEI NIH HHS/ -- R01 EY011559-19/EY/NEI NIH HHS/ -- R37 HD029417/HD/NICHD NIH HHS/ -- R37 HD029417-20/HD/NICHD NIH HHS/ -- Cancer Research UK/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2011 Apr 22;332(6028):484-8. doi: 10.1126/science.1200840. Epub 2011 Mar 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Structural Biology, Wellcome Trust Centre for Human Genetics, University of Oxford, Roosevelt Drive, Oxford, OX3 7BN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21454754" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Axons/*physiology ; Binding Sites ; Cell Membrane/metabolism ; Cells, Cultured ; Chondroitin Sulfate Proteoglycans/chemistry/*metabolism ; Chondroitin Sulfates/chemistry/metabolism ; Crystallography, X-Ray ; Extracellular Matrix ; Ganglia, Spinal ; Glypicans/metabolism ; Growth Cones/metabolism ; Heparan Sulfate Proteoglycans/chemistry/*metabolism ; Heparitin Sulfate/analogs & derivatives/chemistry/metabolism ; Humans ; Mice ; Models, Biological ; Models, Molecular ; Molecular Sequence Data ; Neurites/physiology ; Neurocan/metabolism ; Protein Conformation ; Protein Multimerization ; Protein Structure, Tertiary ; Receptor-Like Protein Tyrosine Phosphatases, Class 2/*chemistry/*metabolism ; Sensory Receptor Cells/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-06
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Junge, Wolfgang -- Muller, Daniel J -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):704-5. doi: 10.1126/science.1210238.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biophysics, University of Osnabruck, 49069 Osnabruck, Germany. junge@uos.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21817036" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Triphosphate/metabolism ; Biocatalysis ; Catalytic Domain ; *Microscopy, Atomic Force ; Models, Molecular ; Protein Conformation ; Protein Structure, Quaternary ; Protein Subunits/chemistry/metabolism ; Proton-Translocating ATPases/*chemistry/*metabolism ; Rotation
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 61
    Publikationsdatum: 2011-02-05
    Beschreibung: Reductions in bird numbers could hamper ecosystem services such as pollination, but experimental proof is lacking. We show that functional extinction of bird pollinators has reduced pollination, seed production, and plant density in the shrub Rhabdothamnus solandri (Gesneriaceae) on the North Island ("mainland") of New Zealand but not on three nearby island bird sanctuaries where birds remain abundant. Pollen limitation of fruit set is strong [pollen limitation index (PLI) = 0.69] and significant on the mainland but small (PLI = 0.15) and nonsignificant on islands. Seed production per flower on the mainland is reduced 84%. Mainland sites have similar adult densities, but 55% fewer juvenile plants per adult, than island sites. Seed addition experiments near adult R. solandri plants on the mainland found strong seed limitation 5 years after sowing for R. solandri but not for two other co-occurring woody species. This demonstrates a terrestrial trophic cascade.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Sandra H -- Kelly, Dave -- Ladley, Jenny J -- Molloy, Sue -- Terry, Jon -- New York, N.Y. -- Science. 2011 Feb 25;331(6020):1068-71. doi: 10.1126/science.1199092. Epub 2011 Feb 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland 1010, New Zealand.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21292938" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Angiosperms/growth & development/*physiology ; Animals ; *Ecosystem ; Extinction, Biological ; Flowers ; Fruit/growth & development ; New Zealand ; *Passeriformes ; *Pollination ; Population Dynamics ; Seed Dispersal ; Seeds ; Trees
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 62
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-12-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cho, Adrian -- Kaiser, Jocelyn -- Malakoff, David -- New York, N.Y. -- Science. 2011 Dec 23;334(6063):1613. doi: 10.1126/science.334.6063.1613.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22194535" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Budgets/*legislation & jurisprudence ; Financing, Government ; National Institutes of Health (U.S.)/*economics ; United States ; United States Government Agencies/*economics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 63
    Publikationsdatum: 2011-01-06
    Beschreibung: Apicomplexan parasites invade host cells and immediately initiate cell division. The extracellular parasite discharges transmembrane proteins onto its surface to mediate motility and invasion. These are shed by intramembrane cleavage, a process associated with invasion but otherwise poorly understood. Functional analysis of Toxoplasma rhomboid 4, a surface intramembrane protease, by conditional overexpression of a catalytically inactive form produced a profound block in replication. This was completely rescued by expression of the cleaved cytoplasmic tail of Toxoplasma or Plasmodium apical membrane antigen 1 (AMA1). These results reveal an unexpected function for AMA1 in parasite replication and suggest that invasion proteins help to promote parasite switch from an invasive to a replicative mode.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Santos, Joana M -- Ferguson, David J P -- Blackman, Michael J -- Soldati-Favre, Dominique -- MC_U117532063/Medical Research Council/United Kingdom -- U117532063/Medical Research Council/United Kingdom -- Howard Hughes Medical Institute/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2011 Jan 28;331(6016):473-7. doi: 10.1126/science.1199284. Epub 2010 Dec 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, Faculty of Medicine, University of Geneva, 1 rue-Michel Servet, 1211 Geneva 4, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205639" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antigens, Protozoan/chemistry/genetics/*metabolism ; Cell Cycle ; Cell Division ; Cell Membrane/metabolism ; Cells, Cultured ; Fibroblasts/parasitology ; Humans ; Membrane Proteins/chemistry/genetics/*metabolism ; Movement ; Mutant Proteins/metabolism ; Plasmodium falciparum ; Protozoan Proteins/chemistry/genetics/*metabolism ; Serine Proteases/genetics/metabolism ; Signal Transduction ; Toxoplasma/cytology/growth & development/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 64
    Publikationsdatum: 2011-08-13
    Beschreibung: When not transporting cargo, kinesin-1 is autoinhibited by binding of a tail region to the motor domains, but the mechanism of inhibition is unclear. We report the crystal structure of a motor domain dimer in complex with its tail domain at 2.2 angstroms and compare it with a structure of the motor domain alone at 2.7 angstroms. These structures indicate that neither an induced conformational change nor steric blocking is the cause of inhibition. Instead, the tail cross-links the motor domains at a second position, in addition to the coiled coil. This "double lockdown," by cross-linking at two positions, prevents the movement of the motor domains that is needed to undock the neck linker and release adenosine diphosphate. This autoinhibition mechanism could extend to some other kinesins.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3339660/" 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/PMC3339660/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaan, Hung Yi Kristal -- Hackney, David D -- Kozielski, Frank -- NS058848/NS/NINDS NIH HHS/ -- R01 NS058848/NS/NINDS NIH HHS/ -- R01 NS058848-01A2/NS/NINDS NIH HHS/ -- Cancer Research UK/United Kingdom -- New York, N.Y. -- Science. 2011 Aug 12;333(6044):883-5. doi: 10.1126/science.1204824.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Beatson Institute for Cancer Research, Switchback Road, Bearsden, Glasgow G61 1BD, Scotland, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21836017" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Diphosphate/metabolism ; Amino Acid Sequence ; Binding Sites ; Catalytic Domain ; Crystallography, X-Ray ; Drosophila Proteins/*antagonists & inhibitors/*chemistry/metabolism ; Hydrogen Bonding ; Kinesin/*antagonists & inhibitors/*chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Protein Binding ; Protein Conformation ; Protein Multimerization ; Protein Structure, Tertiary
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lombardi, Joan -- New York, N.Y. -- Science. 2011 Aug 19;333(6045):957-8. doi: 10.1126/science.333.6045.957.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21852485" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Child Care/standards ; Child, Preschool ; *Early Intervention (Education)/standards ; *Education ; Faculty/standards ; Humans ; Politics ; Program Evaluation ; Research ; United States ; United States Dept. of Health and Human Services/*organization & administration
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 66
    Publikationsdatum: 2011-08-06
    Beschreibung: Neural circuitry formation depends on the molecular control of axonal projection during development. By screening with fluorophore-assisted light inactivation in the developing mouse brain, we identified cartilage acidic protein-1B as a key molecule for lateral olfactory tract (LOT) formation and named it LOT usher substance (LOTUS). We further identified Nogo receptor-1 (NgR1) as a LOTUS-binding protein. NgR1 is a receptor of myelin-derived axon growth inhibitors, such as Nogo, which prevent neural regeneration in the adult. LOTUS suppressed Nogo-NgR1 binding and Nogo-induced growth cone collapse. A defasciculated LOT was present in lotus-deficient mice but not in mice lacking both lotus- and ngr1. These findings suggest that endogenous antagonism of NgR1 by LOTUS is crucial for normal LOT formation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3244695/" 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/PMC3244695/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sato, Yasufumi -- Iketani, Masumi -- Kurihara, Yuji -- Yamaguchi, Megumi -- Yamashita, Naoya -- Nakamura, Fumio -- Arie, Yuko -- Kawasaki, Takahiko -- Hirata, Tatsumi -- Abe, Takaya -- Kiyonari, Hiroshi -- Strittmatter, Stephen M -- Goshima, Yoshio -- Takei, Kohtaro -- R37 NS033020/NS/NINDS NIH HHS/ -- R37 NS033020-19/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):769-73. doi: 10.1126/science.1204144.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21817055" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Axons/*physiology ; Binding Sites ; Calcium-Binding Proteins/chemistry/genetics/*metabolism ; Cell Line ; Cells, Cultured ; GPI-Linked Proteins/genetics/metabolism ; Growth Cones/metabolism ; Humans ; Immunohistochemistry ; Ligands ; Mice ; Mice, Inbred ICR ; Myelin Proteins/genetics/*metabolism ; Olfactory Pathways/*cytology/*growth & development/metabolism ; Prosencephalon/embryology/metabolism ; Protein Binding ; Receptors, Cell Surface/genetics/*metabolism ; Signal Transduction
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 67
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-17
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Araque, Alfonso -- Navarrete, Marta -- New York, N.Y. -- Science. 2011 Sep 16;333(6049):1587-8. doi: 10.1126/science.1212525.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto Cajal, Consejo Superior de Investigaciones Cientificas, Madrid 28002, Spain. araque@cajal.csic.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21921188" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Adenosine Triphosphate/metabolism ; Animals ; Axons/*physiology ; Calcium Signaling ; Cells, Cultured ; Electric Stimulation ; Ganglia, Spinal/cytology ; Glutamic Acid/metabolism ; Myelin Basic Protein/*metabolism ; Myelin Sheath/*physiology ; Neural Stem Cells/cytology/metabolism ; Oligodendroglia/cytology/*metabolism ; Signal Transduction ; Synaptic Transmission ; Synaptic Vesicles/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 68
    Publikationsdatum: 2011-11-19
    Beschreibung: Gene silencing is essential for regulating cell fate in eukaryotes. Altered chromatin architectures contribute to maintaining the silenced state in a variety of species. The silent information regulator (Sir) proteins regulate mating type in Saccharomyces cerevisiae. One of these proteins, Sir3, interacts directly with the nucleosome to help generate silenced domains. We determined the crystal structure of a complex of the yeast Sir3 BAH (bromo-associated homology) domain and the nucleosome core particle at 3.0 angstrom resolution. We see multiple molecular interactions between the protein surfaces of the nucleosome and the BAH domain that explain numerous genetic mutations. These interactions are accompanied by structural rearrangements in both the nucleosome and the BAH domain. The structure explains how covalent modifications on H4K16 and H3K79 regulate formation of a silencing complex that contains the nucleosome as a central component.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4098850/" 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/PMC4098850/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Armache, Karim-Jean -- Garlick, Joseph D -- Canzio, Daniele -- Narlikar, Geeta J -- Kingston, Robert E -- GM043901/GM/NIGMS NIH HHS/ -- P41 RR012408/RR/NCRR NIH HHS/ -- R01 GM043901/GM/NIGMS NIH HHS/ -- R37 GM048405/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Nov 18;334(6058):977-82. doi: 10.1126/science.1210915.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22096199" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acetylation ; Amino Acid Sequence ; Binding Sites ; Crystallography, X-Ray ; *Gene Silencing ; Histones/*chemistry/metabolism ; Hydrogen Bonding ; Methylation ; Models, Molecular ; Molecular Sequence Data ; Mutagenesis ; Mutant Proteins/chemistry/metabolism ; Nucleosomes/*chemistry/metabolism/ultrastructure ; Physicochemical Processes ; Protein Folding ; *Protein Interaction Domains and Motifs ; Protein Multimerization ; Protein Structure, Tertiary ; Saccharomyces cerevisiae/chemistry/*genetics/metabolism ; Saccharomyces cerevisiae Proteins/chemistry/metabolism ; Silent Information Regulator Proteins, Saccharomyces ; cerevisiae/*chemistry/genetics/metabolism ; Static Electricity
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-11-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Nov 11;334(6057):753-4. doi: 10.1126/science.334.6057.753.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22076357" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/*economics ; Budgets ; *Financing, Government ; National Institutes of Health (U.S.)/*economics/organization & administration ; Research Personnel/supply & distribution ; *Research Support as Topic ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 70
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-10-25
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Oct 21;334(6054):299. doi: 10.1126/science.334.6054.299.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22021828" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Budgets ; *Drug Discovery ; *Drug Evaluation, Preclinical ; High-Throughput Screening Assays ; *National Institutes of Health (U.S.)/economics/organization & administration ; *Small Molecule Libraries ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 71
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-02-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cintas, Pedro -- New York, N.Y. -- Science. 2011 Feb 11;331(6018):673. doi: 10.1126/science.331.6018.673-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21310983" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Education/*standards ; Educational Measurement ; European Union ; Humans ; Learning ; Mathematics/*education ; Science/*education ; Spain ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-02-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gade, Alexandra M -- New York, N.Y. -- Science. 2011 Feb 11;331(6018):673. doi: 10.1126/science.331.6018.673-a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21310984" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Budgets ; *Financing, Government ; *Research Support as Topic ; United States ; United States Government Agencies/*economics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1214-5. doi: 10.1126/science.333.6047.1214.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885751" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biological Warfare/*prevention & control ; Bioterrorism/*prevention & control ; Containment of Biohazards/economics ; National Institute of Allergy and Infectious Diseases (U.S.) ; *Security Measures/economics ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 74
    Publikationsdatum: 2011-06-18
    Beschreibung: Innate immune responses are triggered by the activation of pattern-recognition receptors (PRRs). The Arabidopsis PRR FLAGELLIN-SENSING 2 (FLS2) senses bacterial flagellin and initiates immune signaling through association with BAK1. The molecular mechanisms underlying the attenuation of FLS2 activation are largely unknown. We report that flagellin induces recruitment of two closely related U-box E3 ubiquitin ligases, PUB12 and PUB13, to FLS2 receptor complex in Arabidopsis. BAK1 phosphorylates PUB12 and PUB13 and is required for FLS2-PUB12/13 association. PUB12 and PUB13 polyubiquitinate FLS2 and promote flagellin-induced FLS2 degradation, and the pub12 and pub13 mutants displayed elevated immune responses to flagellin treatment. Our study has revealed a unique regulatory circuit of direct ubiquitination and turnover of FLS2 by BAK1-mediated phosphorylation and recruitment of specific E3 ligases for attenuation of immune signaling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3243913/" 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/PMC3243913/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lu, Dongping -- Lin, Wenwei -- Gao, Xiquan -- Wu, Shujing -- Cheng, Cheng -- Avila, Julian -- Heese, Antje -- Devarenne, Timothy P -- He, Ping -- Shan, Libo -- R01 GM092893/GM/NIGMS NIH HHS/ -- R01 GM092893-02/GM/NIGMS NIH HHS/ -- R01 GM097247/GM/NIGMS NIH HHS/ -- R01GM092893/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Jun 17;332(6036):1439-42. doi: 10.1126/science.1204903.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21680842" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Motifs ; Amino Acid Sequence ; Arabidopsis/genetics/*immunology/metabolism/microbiology ; Arabidopsis Proteins/chemistry/genetics/*metabolism ; Flagellin/*immunology ; *Immunity, Innate ; Molecular Sequence Data ; Mutant Proteins/chemistry/metabolism ; Peptide Fragments/immunology ; Phosphorylation ; Plant Diseases/*immunology/microbiology ; Protein Interaction Domains and Motifs ; Protein Kinases/chemistry/*metabolism ; Protein-Serine-Threonine Kinases/*metabolism ; Pseudomonas syringae/growth & development/immunology ; Receptors, Pattern Recognition/chemistry/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction ; Ubiquitin-Protein Ligases/chemistry/genetics/*metabolism ; Ubiquitinated Proteins/metabolism ; Ubiquitination
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 75
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-09-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Sep 2;333(6047):1211. doi: 10.1126/science.333.6047.1211.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21885749" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anti-Bacterial Agents/therapeutic use ; *Ethics, Research ; Guatemala ; History, 20th Century ; Humans ; *Informed Consent ; Military Personnel ; Nontherapeutic Human Experimentation/ethics/*history ; Penicillins/therapeutic use ; Sexually Transmitted Diseases/*history/prevention & control ; United States ; United States Public Health Service/history
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Aug 19;333(6045):925-6. doi: 10.1126/science.333.6045.925.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21852462" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): African Americans ; *African Continental Ancestry Group ; Biomedical Research/*economics ; Financing, Government ; Humans ; National Institutes of Health (U.S.)/*economics ; *Peer Review, Research ; Prejudice ; *Research Personnel/economics/education ; Research Support as Topic/*statistics & numerical data ; United States
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  • 77
    Publikationsdatum: 2011-08-20
    Beschreibung: The unfolded protein response (UPR) detects the accumulation of unfolded proteins in the endoplasmic reticulum (ER) and adjusts the protein-folding capacity to the needs of the cell. Under conditions of ER stress, the transmembrane protein Ire1 oligomerizes to activate its cytoplasmic kinase and ribonuclease domains. It is unclear what feature of ER stress Ire1 detects. We found that the core ER-lumenal domain (cLD) of yeast Ire1 binds to unfolded proteins in yeast cells and to peptides primarily composed of basic and hydrophobic residues in vitro. Mutation of amino acid side chains exposed in a putative peptide-binding groove of Ire1 cLD impaired peptide binding. Peptide binding caused Ire1 cLD oligomerization in vitro, suggesting that direct binding to unfolded proteins activates the UPR.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3202989/" 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/PMC3202989/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gardner, Brooke M -- Walter, Peter -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Sep 30;333(6051):1891-4. doi: 10.1126/science.1209126. Epub 2011 Aug 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21852455" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Binding Sites ; Cathepsin A/chemistry/metabolism ; Endoplasmic Reticulum/*metabolism ; Fluorescence Polarization ; Fungal Proteins/chemistry/metabolism ; Glutathione Transferase/metabolism ; HSP70 Heat-Shock Proteins/chemistry/metabolism ; Hydrophobic and Hydrophilic Interactions ; Ligands ; Membrane Glycoproteins/*chemistry/*metabolism ; Mutant Proteins/chemistry/metabolism ; Protein Binding ; Protein Conformation ; Protein Folding ; Protein Interaction Domains and Motifs ; Protein Multimerization ; Protein-Serine-Threonine Kinases/*chemistry/*metabolism ; Saccharomyces cerevisiae Proteins/chemistry/genetics/*metabolism ; Stress, Physiological ; *Unfolded Protein Response
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  • 78
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-06
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):683. doi: 10.1126/science.333.6043.683.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21817023" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Embryonic Stem Cells ; Humans ; Jurisprudence ; National Institutes of Health (U.S.)/*legislation & jurisprudence ; Stem Cell Research/*legislation & jurisprudence ; United States
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  • 79
    Publikationsdatum: 2011-04-16
    Beschreibung: The formate transporter FocA was described to switch its mode of operation from a passive export channel at high external pH to a secondary active formate/H(+) importer at low pH. The crystal structure of Salmonella typhimurium FocA at pH 4.0 shows that this switch involves a major rearrangement of the amino termini of individual protomers in the pentameric channel. The amino-terminal helices open or block transport in a concerted, cooperative action that indicates how FocA is gated in a pH-dependent way. Electrophysiological studies show that the protein acts as a specific formate channel at pH 7.0 and that it closes upon a shift of pH to 5.1.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lu, Wei -- Du, Juan -- Wacker, Tobias -- Gerbig-Smentek, Elke -- Andrade, Susana L A -- Einsle, Oliver -- New York, N.Y. -- Science. 2011 Apr 15;332(6027):352-4. doi: 10.1126/science.1199098.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Lehrstuhl fur Biochemie, Institut fur organische Chemie und Biochemie, Albert-Ludwigs-Universitat Freiburg, Albertstrasse 21, 79104 Freiburg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21493860" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacterial Proteins/*chemistry/isolation & purification/*metabolism ; Crystallization ; Crystallography, X-Ray ; Formates/*metabolism ; Hydrogen-Ion Concentration ; *Ion Channel Gating ; Ion Channels/*chemistry/isolation & purification/*metabolism ; Ion Transport ; Models, Molecular ; Protein Conformation ; Protein Multimerization ; Protein Structure, Quaternary ; Protein Structure, Secondary ; Protein Subunits/chemistry/metabolism ; Salmonella typhimurium/*chemistry/metabolism ; Static Electricity
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  • 80
    Publikationsdatum: 2011-08-06
    Beschreibung: F(1) is an adenosine triphosphate (ATP)-driven motor in which three torque-generating beta subunits in the alpha(3)beta(3) stator ring sequentially undergo conformational changes upon ATP hydrolysis to rotate the central shaft gamma unidirectionally. Although extensive experimental and theoretical work has been done, the structural basis of cooperative torque generation to realize the unidirectional rotation remains elusive. We used high-speed atomic force microscopy to show that the rotorless F(1) still "rotates"; in the isolated alpha(3)beta(3) stator ring, the three beta subunits cyclically propagate conformational states in the counterclockwise direction, similar to the rotary shaft rotation in F(1). The structural basis of unidirectionality is programmed in the stator ring. These findings have implications for cooperative interplay between subunits in other hexameric ATPases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Uchihashi, Takayuki -- Iino, Ryota -- Ando, Toshio -- Noji, Hiroyuki -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):755-8. doi: 10.1126/science.1205510.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21817054" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Triphosphate/metabolism ; Bacillus/enzymology ; Bacterial Proton-Translocating ATPases/*chemistry/*metabolism ; Biocatalysis ; Catalytic Domain ; Hydrolysis ; *Microscopy, Atomic Force ; Protein Conformation ; Protein Structure, Quaternary ; Protein Subunits/chemistry/metabolism ; Rotation
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 81
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-11-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arthur, Ronan -- Diamond, Jared -- New York, N.Y. -- Science. 2011 Nov 18;334(6058):911-2. doi: 10.1126/science.1213787.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Geography Department, University of California, Los Angeles, CA 90095-1524, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22096177" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Culture ; Geography ; Humans ; *Indians, North American ; Language ; *Population Growth ; Southwestern United States ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 82
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-05-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Asai, David J -- New York, N.Y. -- Science. 2011 May 20;332(6032):895. doi: 10.1126/science.1207680.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21596961" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Humans ; *Program Evaluation ; Science/*education ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 83
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-06-28
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Jun 24;332(6037):1492. doi: 10.1126/science.332.6037.1492.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21700846" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Biomedical Research ; *Databases, Factual ; Drug Industry ; *Drug Repositioning ; *National Institutes of Health (U.S.)/organization & administration ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 84
    Publikationsdatum: 2011-07-19
    Beschreibung: Passive transfer of broadly neutralizing HIV antibodies can prevent infection, which suggests that vaccines that elicit such antibodies would be protective. Thus far, however, few broadly neutralizing HIV antibodies that occur naturally have been characterized. To determine whether these antibodies are part of a larger group of related molecules, we cloned 576 new HIV antibodies from four unrelated individuals. All four individuals produced expanded clones of potent broadly neutralizing CD4-binding-site antibodies that mimic binding to CD4. Despite extensive hypermutation, the new antibodies shared a consensus sequence of 68 immunoglobulin H (IgH) chain amino acids and arise independently from two related IgH genes. Comparison of the crystal structure of one of the antibodies to the broadly neutralizing antibody VRC01 revealed conservation of the contacts to the HIV spike.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3351836/" 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/PMC3351836/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scheid, Johannes F -- Mouquet, Hugo -- Ueberheide, Beatrix -- Diskin, Ron -- Klein, Florian -- Oliveira, Thiago Y K -- Pietzsch, John -- Fenyo, David -- Abadir, Alexander -- Velinzon, Klara -- Hurley, Arlene -- Myung, Sunnie -- Boulad, Farid -- Poignard, Pascal -- Burton, Dennis R -- Pereyra, Florencia -- Ho, David D -- Walker, Bruce D -- Seaman, Michael S -- Bjorkman, Pamela J -- Chait, Brian T -- Nussenzweig, Michel C -- P01 AI081677/AI/NIAID NIH HHS/ -- P30 AI060354/AI/NIAID NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- RR00862/RR/NCRR NIH HHS/ -- RR022220/RR/NCRR NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Sep 16;333(6049):1633-7. doi: 10.1126/science.1207227. Epub 2011 Jul 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21764753" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Antibodies, Neutralizing/*chemistry/*immunology/metabolism ; Antibody Affinity ; Antibody Specificity ; Antigens, CD4/immunology/*metabolism ; Binding Sites ; Binding Sites, Antibody ; Cloning, Molecular ; Consensus Sequence ; Crystallography, X-Ray ; Genes, Immunoglobulin Heavy Chain ; HIV Antibodies/*chemistry/*immunology/metabolism ; HIV Envelope Protein gp120/chemistry/*immunology/metabolism ; HIV Infections/immunology ; Humans ; Immunoglobulin Fab Fragments/chemistry ; Immunoglobulin Heavy Chains/chemistry ; Immunoglobulin Light Chains/chemistry ; Molecular Mimicry ; Molecular Sequence Data ; Mutation ; Protein Conformation
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  • 85
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-04-09
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schellekens, Huub -- Moors, Ellen -- Leufkens, H G -- New York, N.Y. -- Science. 2011 Apr 8;332(6026):174-5. doi: 10.1126/science.332.6026.174.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21474737" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Diffusion of Innovation ; *Drug Discovery ; *Drug and Narcotic Control ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 86
    Publikationsdatum: 2011-02-26
    Beschreibung: The fire ant Solenopsis invicta is a significant pest that was inadvertently introduced into the southern United States almost a century ago and more recently into California and other regions of the world. An assessment of genetic variation at a diverse set of molecular markers in 2144 fire ant colonies from 75 geographic sites worldwide revealed that at least nine separate introductions of S. invicta have occurred into newly invaded areas and that the main southern U.S. population is probably the source of all but one of these introductions. The sole exception involves a putative serial invasion from the southern United States to California to Taiwan. These results illustrate in stark fashion a severe negative consequence of an increasingly massive and interconnected global trade and travel system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ascunce, Marina S -- Yang, Chin-Cheng -- Oakey, Jane -- Calcaterra, Luis -- Wu, Wen-Jer -- Shih, Cheng-Jen -- Goudet, Jerome -- Ross, Kenneth G -- Shoemaker, DeWayne -- New York, N.Y. -- Science. 2011 Feb 25;331(6020):1066-8. doi: 10.1126/science.1198734.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉USDA-ARS Center for Medical, Agricultural, and Veterinary Entomology, 1600/1700 Southwest 23rd Drive, Gainesville, FL, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21350177" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Ants/genetics ; Asia ; Australia ; Bayes Theorem ; Commerce ; Computer Simulation ; DNA, Mitochondrial/genetics ; Female ; Genes, Insect ; Genetic Variation ; Genotype ; Haplotypes ; *Introduced Species ; Male ; Microsatellite Repeats ; Molecular Sequence Data ; Population Dynamics ; Sequence Analysis, DNA ; South America ; Travel ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 87
    Publikationsdatum: 2011-02-19
    Beschreibung: Cotranslational targeting of membrane and secretory proteins is mediated by the universally conserved signal recognition particle (SRP). Together with its receptor (SR), SRP mediates the guanine triphosphate (GTP)-dependent delivery of translating ribosomes bearing signal sequences to translocons on the target membrane. Here, we present the crystal structure of the SRP:SR complex at 3.9 angstrom resolution and biochemical data revealing that the activated SRP:SR guanine triphosphatase (GTPase) complex binds the distal end of the SRP hairpin RNA where GTP hydrolysis is stimulated. Combined with previous findings, these results suggest that the SRP:SR GTPase complex initially assembles at the tetraloop end of the SRP RNA and then relocalizes to the opposite end of the RNA. This rearrangement provides a mechanism for coupling GTP hydrolysis to the handover of cargo to the translocon.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3758919/" 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/PMC3758919/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ataide, Sandro F -- Schmitz, Nikolaus -- Shen, Kuang -- Ke, Ailong -- Shan, Shu-ou -- Doudna, Jennifer A -- Ban, Nenad -- GM078024/GM/NIGMS NIH HHS/ -- R01 GM078024/GM/NIGMS NIH HHS/ -- R01 GM086766/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Feb 18;331(6019):881-6. doi: 10.1126/science.1196473.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Biology and Biophysics, Eidgenossische Technische Hochschule Zurich (ETH Zurich), Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21330537" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacterial Proteins/*chemistry/metabolism ; Base Sequence ; Binding Sites ; Crystallization ; Crystallography, X-Ray ; Enzyme Activation ; Escherichia coli/chemistry/metabolism ; Escherichia coli Proteins/*chemistry/metabolism ; GTP Phosphohydrolases/chemistry/metabolism ; Guanosine Triphosphate/analogs & derivatives/chemistry/metabolism ; Hydrogen Bonding ; Hydrophobic and Hydrophilic Interactions ; Models, Biological ; Models, Molecular ; Nucleic Acid Conformation ; Protein Conformation ; Protein Multimerization ; Protein Structure, Tertiary ; Protein Transport ; RNA, Bacterial/*chemistry/metabolism ; Receptors, Cytoplasmic and Nuclear/*chemistry/metabolism ; Ribosomal Proteins/chemistry/metabolism ; Ribosomes/metabolism ; Signal Recognition Particle/*chemistry/metabolism
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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-05-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 May 6;332(6030):651. doi: 10.1126/science.332.6030.651.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21551039" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Embryo Research/economics/*legislation & jurisprudence ; *Embryonic Stem Cells ; Financing, Government/legislation & jurisprudence ; Guidelines as Topic ; Humans ; National Institutes of Health (U.S.)/economics/*legislation & jurisprudence ; Research Support as Topic/legislation & jurisprudence ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 89
    Publikationsdatum: 2011-09-24
    Beschreibung: Savannas worldwide are vital for both socioeconomic and biodiversity values. In these ecosystems, management decisions are based on the perception that wildlife and livestock compete for food, yet there are virtually no experimental data to support this assumption. We examined the effects of wild African ungulates on cattle performance, food intake, and diet quality. Wild ungulates depressed cattle food intake and performance during the dry season (competition) but enhanced cattle diet quality and performance during the wet season (facilitation). These results extend our understanding of the context-dependent-competition-facilitation balance, in general, and are critical for better understanding and managing wildlife-livestock coexistence in human-occupied savanna landscapes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Odadi, Wilfred O -- Karachi, Moses K -- Abdulrazak, Shaukat A -- Young, Truman P -- New York, N.Y. -- Science. 2011 Sep 23;333(6050):1753-5. doi: 10.1126/science.1208468.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mpala Research Centre, Post Office Box 555, Nanyuki 10400, Kenya. woodadi@yahoo.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21940896" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Animals, Wild/anatomy & histology/physiology ; Biodiversity ; Body Size ; Body Weight ; *Cattle/anatomy & histology/physiology ; Diet ; *Ecosystem ; Elephants/anatomy & histology/physiology ; Equidae/physiology ; *Feeding Behavior ; Food Chain ; Kenya ; Poaceae ; Ruminants/anatomy & histology/physiology ; Seasons
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 90
    facet.materialart.
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-04-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Apr 29;332(6029):523. doi: 10.1126/science.332.6029.523.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21527686" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Antineoplastic Agents/economics/*supply & distribution ; Clinical Trials as Topic ; *Drug Industry/economics/legislation & jurisprudence ; Drugs, Generic/economics/*supply & distribution ; Humans ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 91
    Publikationsdatum: 2011-01-06
    Beschreibung: CD4(+) T regulatory cells (T(regs)), which express the Foxp3 transcription factor, play a critical role in the maintenance of immune homeostasis. Here, we show that in mice, T(regs) were most abundant in the colonic mucosa. The spore-forming component of indigenous intestinal microbiota, particularly clusters IV and XIVa of the genus Clostridium, promoted T(reg) cell accumulation. Colonization of mice by a defined mix of Clostridium strains provided an environment rich in transforming growth factor-beta and affected Foxp3(+) T(reg) number and function in the colon. Oral inoculation of Clostridium during the early life of conventionally reared mice resulted in resistance to colitis and systemic immunoglobulin E responses in adult mice, suggesting a new therapeutic approach to autoimmunity and allergy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3969237/" 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/PMC3969237/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Atarashi, Koji -- Tanoue, Takeshi -- Shima, Tatsuichiro -- Imaoka, Akemi -- Kuwahara, Tomomi -- Momose, Yoshika -- Cheng, Genhong -- Yamasaki, Sho -- Saito, Takashi -- Ohba, Yusuke -- Taniguchi, Tadatsugu -- Takeda, Kiyoshi -- Hori, Shohei -- Ivanov, Ivaylo I -- Umesaki, Yoshinori -- Itoh, Kikuji -- Honda, Kenya -- R00 DK085329/DK/NIDDK NIH HHS/ -- R01 AI052359/AI/NIAID NIH HHS/ -- R01 AI056154/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2011 Jan 21;331(6015):337-41. doi: 10.1126/science.1198469. Epub 2010 Dec 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Graduate School of Medicine, University of Tokyo, Tokyo 113-0033, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21205640" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anti-Bacterial Agents/pharmacology ; Cecum/microbiology ; Cells, Cultured ; Clostridium/growth & development/*immunology ; Colitis/immunology/pathology/prevention & control ; Colon/*immunology/metabolism/*microbiology ; Feces/microbiology ; Forkhead Transcription Factors/metabolism ; Germ-Free Life ; Immunity, Innate ; Immunoglobulin E/biosynthesis ; Interleukin-10/immunology/metabolism ; Intestinal Mucosa/*immunology/metabolism ; Intestine, Small/immunology ; Metagenome ; Mice ; Mice, Inbred A ; Mice, Inbred BALB C ; Receptors, Pattern Recognition/physiology ; Specific Pathogen-Free Organisms ; T-Lymphocytes, Helper-Inducer/immunology ; T-Lymphocytes, Regulatory/*immunology/metabolism ; Transforming Growth Factor beta/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 92
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-05-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Atchley, William R -- New York, N.Y. -- Science. 2011 May 13;332(6031):804. doi: 10.1126/science.1207426.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, North Carolina State University, Raleigh, NC 27695, USA. bill@atchleylab.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21566183" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Evolution, Molecular ; History, 20th Century ; History, 21st Century ; Periodicals as Topic/history ; Societies, Scientific/history/organization & administration ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 93
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-02-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schenkman, Lauren -- New York, N.Y. -- Science. 2011 Feb 25;331(6020):1002-4. doi: 10.1126/science.331.6020.1002.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21350139" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Child ; Government Regulation ; Humans ; Neoplasms, Radiation-Induced/epidemiology/*etiology/mortality ; Practice Guidelines as Topic ; *Radiation Dosage ; Risk Factors ; Tomography Scanners, X-Ray Computed/*standards ; Tomography, X-Ray Computed/*adverse effects/standards ; United States ; United States Food and Drug Administration
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 94
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-01-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Jan 28;331(6016):389. doi: 10.1126/science.331.6016.389.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21273461" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Advisory Committees ; Animals ; Antiviral Agents/pharmacology ; *Biological Specimen Banks ; *Biomedical Research ; Humans ; Russia ; *Smallpox/diagnosis/drug therapy/prevention & control ; Smallpox Vaccine ; United States ; *Variola virus/drug effects/genetics ; *World Health Organization
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 95
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-11-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ohlemuller, Ralf -- New York, N.Y. -- Science. 2011 Nov 4;334(6056):613-4. doi: 10.1126/science.1214215.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological and Biomedical Sciences, and Institute of Hazard, Risk and Resilience (IHRR), Durham University, Durham, DH1 3LE, UK. ralf.ohlemuller@durham.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22053039" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biodiversity ; *Climate Change ; *Ecosystem
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 96
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-08-13
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schmidt, Charles -- New York, N.Y. -- Science. 2011 Aug 12;333(6044):812-3. doi: 10.1126/science.333.6044.812.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21835992" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Arctic Regions ; *Ecosystem ; *Environment ; *Ice Cover ; Oceans and Seas ; *Petroleum ; United States ; Water Movements
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 97
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-01-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Jan 28;331(6016):386. doi: 10.1126/science.331.6016.386.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21273458" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): National Institutes of Health (U.S.)/economics/legislation & ; jurisprudence/*organization & administration ; Policy ; Translational Medical Research/economics/*organization & administration ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 98
    Publikationsdatum: 2011-03-26
    Beschreibung: Caenorhabditis elegans proteins AFF-1 and EFF-1 [C. elegans fusion family (CeFF) proteins] are essential for developmental cell-to-cell fusion and can merge insect cells. To study the structure and function of AFF-1, we constructed vesicular stomatitis virus (VSV) displaying AFF-1 on the viral envelope, substituting the native fusogen VSV glycoprotein. Electron microscopy and tomography revealed that AFF-1 formed distinct supercomplexes resembling pentameric and hexameric "flowers" on pseudoviruses. Viruses carrying AFF-1 infected mammalian cells only when CeFFs were on the target cell surface. Furthermore, we identified fusion family (FF) proteins within and beyond nematodes, and divergent members from the human parasitic nematode Trichinella spiralis and the chordate Branchiostoma floridae could also fuse mammalian cells. Thus, FF proteins are part of an ancient family of cellular fusogens that can promote fusion when expressed on a viral particle.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084904/" 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/PMC3084904/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Avinoam, Ori -- Fridman, Karen -- Valansi, Clari -- Abutbul, Inbal -- Zeev-Ben-Mordehai, Tzviya -- Maurer, Ulrike E -- Sapir, Amir -- Danino, Dganit -- Grunewald, Kay -- White, Judith M -- Podbilewicz, Benjamin -- 090532/Wellcome Trust/United Kingdom -- 090895/Wellcome Trust/United Kingdom -- AI22470/AI/NIAID NIH HHS/ -- R01 AI022470/AI/NIAID NIH HHS/ -- R01 AI022470-24/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2011 Apr 29;332(6029):589-92. doi: 10.1126/science.1202333. Epub 2011 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Technion-Israel Institute of Technology, Haifa 32000, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436398" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Arthropods/chemistry ; Biological Evolution ; Caenorhabditis elegans/chemistry ; Caenorhabditis elegans Proteins/chemistry/genetics/*metabolism/ultrastructure ; *Cell Fusion ; Cell Line ; Cell Membrane/*metabolism ; Chordata, Nonvertebrate/chemistry ; Ctenophora/chemistry ; *Membrane Fusion ; Membrane Glycoproteins/chemistry/genetics/*metabolism ; Molecular Sequence Data ; Naegleria fowleri/chemistry ; Nematoda/chemistry ; Recombinant Proteins/metabolism ; Recombination, Genetic ; Vesicular stomatitis Indiana virus/genetics/*physiology/ultrastructure ; Viral Envelope Proteins/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 99
    Publikationsdatum: 2011-04-30
    Beschreibung: The interaction of complement receptor 2 (CR2)--which is present on B cells and follicular dendritic cells--with its antigen-bound ligand C3d results in an enhanced antibody response, thus providing an important link between the innate and adaptive immune systems. Although a cocrystal structure of a complex between C3d and the ligand-binding domains of CR2 has been published, several aspects of this structure, including the position in C3d of the binding interface, remained controversial because of disagreement with biochemical data. We now report a cocrystal structure of a CR2(SCR1-2):C3d complex at 3.2 angstrom resolution in which the interaction interfaces differ markedly from the previously published structure and are consistent with the biochemical data. It is likely that, in the previous structure, the interaction was influenced by the presence of zinc acetate additive in the crystallization buffer, leading to a nonphysiological complex. Detailed knowledge of the binding interface now at hand gives the potential to exploit the interaction in vaccine design or in therapeutics directed against autoreactive B cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van den Elsen, Jean M H -- Isenman, David E -- New York, N.Y. -- Science. 2011 Apr 29;332(6029):608-11. doi: 10.1126/science.1201954.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and Biochemistry, University of Bath, Bath BA2 7AY, UK. bssjmhve@bath.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21527715" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Binding Sites ; Complement C3d/*chemistry/metabolism ; Crystallization ; Crystallography, X-Ray ; Humans ; Hydrogen Bonding ; Ligands ; Models, Molecular ; Mutagenesis, Site-Directed ; Protein Binding ; Protein Conformation ; Protein Interaction Domains and Motifs ; Protein Structure, Tertiary ; Receptors, Complement 3d/*chemistry/genetics/metabolism ; Zinc Acetate
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2011-01-08
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2011 Jan 7;331(6013):17. doi: 10.1126/science.331.6013.17.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21212329" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antibodies, Viral/biosynthesis ; Blood/virology ; Cells, Cultured ; DNA Contamination ; Fatigue Syndrome, Chronic/*virology ; Humans ; Mice ; Polymerase Chain Reaction ; Retroviridae Infections/*virology ; Sensitivity and Specificity ; Viremia ; Xenotropic murine leukemia virus-related virus/immunology/*isolation & ; purification/pathogenicity
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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