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  • 1
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    Temple University Press
    Publikationsdatum: 2023-02-01
    Beschreibung: The intermingling of people and media from different cultures is a communication-based phenomenon known as hybridity. Drawing on original research from Lebanon to Mexico and analyzing the use of the term in cultural and postcolonial studies (as well as the popular and business media), Marwan Kraidy offers readers a history of the idea and a set of prescriptions for its future use. Kraidy analyzes the use of the concept of cultural mixture from the first century A.D. to its present application in the academy and the commercial press. The book's case studies build an argument for understanding the importance of the dynamics of communication, uneven power relationships, and political economy as well as culture, in situations of hybridity. Kraidy suggests a new framework he developed to study cultural mixture—called critical transculturalism—which uses hybridity as its core concept, and provides a practical method for examining how media and communication work in international contexts.
    Schlagwort(e): Media and Communications ; Cultural imperialism ; Globalization ; Hybridity ; Lebanon ; United States
    Sprache: Englisch
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  • 2
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    Temple University Press
    Publikationsdatum: 2022-05-02
    Beschreibung: Somalis in the Twin Cities and Columbus seeks to understand the integration outcomes of refugees in the Midwest at local and state levels to show how communities struggle with political, social, and economic incorporation. While many immigration titles examine the Latino community, this book focuses on the black Muslim Somalis, providing an important understanding of the lives of this understudied and misunderstood group--before and after their arrival to the U.S. It is a timely look at the American policies that help and hinder immigrants settling in the U.S.
    Schlagwort(e): Political Science ; Columbus ; Ohio ; Minneapolis ; Minneapolis–Saint Paul ; Minnesota ; Somali diaspora ; Somalis ; United States
    Sprache: Englisch
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  • 3
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    Temple University Press
    Publikationsdatum: 2022-05-02
    Beschreibung: Zecker examines the multicultural civil-rights activism and union militancy of the International Workers Order and other left-leaning immigrant groups, investigating the program of such organizations regarding civil rights, unionizing, and workplace justice. It looks at what these organizations did that caused the U.S. government to prosecute them and how these groups sought to defend themselves and maintain a Popular Front coalition of progressives in the face of the rapidly developing call for Cold War conformity. The suppressions of dissent narrowed the degree of progress on economic justice and racial civil rights in America for decades to come, and the author argues that the story of the IWO’s demise has relevance for 21st century America's narrowed range of critiques of government policy and unequal racial and economic status quo.
    Schlagwort(e): History ; Communism ; Soviet Union ; United States
    Sprache: Englisch
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  • 4
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    Temple University Press
    Publikationsdatum: 2024-04-06
    Beschreibung: We Shall Not Be Moved: The Trail Blazed by a Song from the U.S. South to Spain and South America details the history of "We Shall Not Be Moved" from its birth as a slave spiritual in the U.S. South and its subsequent adoption as a standard hymn by the U.S. labor, civil rights, and farmworker movements, to its singing in the student movement opposing the Franco dictatorship in Spain in the 1960s, and finally to its arrival in the South American country of Chile during its experiment with democratic socialism in the early 1970s. The book outlines the role the song has played in each of the movements in which it has been sung and analyzes its dissemination, function, and meaning through a number of different sociological and anthropological lenses.
    Schlagwort(e): Anthropology ; I Shall Not Be Moved ; Spiritual (music) ; United States ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBC Cultural and media studies::JBCC Cultural studies
    Sprache: Englisch
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  • 5
    Publikationsdatum: 2016-01-20
    Beschreibung: The final identity and functional properties of a neuron are specified by terminal differentiation genes, which are controlled by specific motifs in compact regulatory regions. To determine how these sequences integrate inputs from transcription factors that specify cell types, we compared the regulatory mechanism of Drosophila Rhodopsin genes that are expressed in subsets of photoreceptors to that of phototransduction genes that are expressed broadly, in all photoreceptors. Both sets of genes share an 11-base pair (bp) activator motif. Broadly expressed genes contain a palindromic version that mediates expression in all photoreceptors. In contrast, each Rhodopsin exhibits characteristic single-bp substitutions that break the symmetry of the palindrome and generate activator or repressor motifs critical for restricting expression to photoreceptor subsets. Sensory neuron subtypes can therefore evolve through single-bp changes in short regulatory motifs, allowing the discrimination of a wide spectrum of stimuli.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rister, Jens -- Razzaq, Ansa -- Boodram, Pamela -- Desai, Nisha -- Tsanis, Cleopatra -- Chen, Hongtao -- Jukam, David -- Desplan, Claude -- K99EY023995/EY/NEI NIH HHS/ -- R01 EY13010/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1258-61. doi: 10.1126/science.aab3417.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Developmental Genetics, Department of Biology, New York University, 100 Washington Square East, New York, NY 10003-6688, USA. ; Center for Developmental Genetics, Department of Biology, New York University, 100 Washington Square East, New York, NY 10003-6688, USA. cd38@nyu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785491" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Base Pairing ; Drosophila Proteins/*genetics ; Drosophila melanogaster/genetics/growth & development ; *Gene Expression Regulation, Developmental ; Mutation ; Photoreceptor Cells, Invertebrate/*physiology ; Promoter Regions, Genetic/*genetics ; Rhodopsin/*genetics ; Transcription Factors/metabolism ; Vision, Ocular/*genetics
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 6
    Publikationsdatum: 2016-01-20
    Beschreibung: Massive open online courses (MOOCs) are often characterized as remedies to educational disparities related to social class. Using data from 68 MOOCs offered by Harvard and MIT between 2012 and 2014, we found that course participants from the United States tended to live in more-affluent and better-educated neighborhoods than the average U.S. resident. Among those who did register for courses, students with greater socioeconomic resources were more likely to earn a certificate. Furthermore, these differences in MOOC access and completion were larger for adolescents and young adults, the traditional ages where people find on-ramps into science, technology, engineering, and mathematics (STEM) coursework and careers. Our findings raise concerns that MOOCs and similar approaches to online learning can exacerbate rather than reduce disparities in educational outcomes related to socioeconomic status.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hansen, John D -- Reich, Justin -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1245-8. doi: 10.1126/science.aab3782. Epub 2015 Dec 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard Graduate School of Education, Harvard University, Cambridge, MA 02138, USA. john_hansen@mail.harvard.edu. ; Office of Digital Learning, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785488" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Career Choice ; Certification/*methods ; Education, Distance/*methods ; Engineering/education ; Humans ; Internet ; Learning ; Mathematics/education ; *Online Systems ; Science/education ; *Social Class ; Students ; Technology/education ; United States ; Young Adult
    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: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Underwood, Emily -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1188-90. doi: 10.1126/science.350.6265.1188.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785475" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/blood/genetics/*physiology ; Animals ; Biological Clocks/genetics/*physiology ; Biomarkers/blood/metabolism ; DNA/genetics ; DNA Methylation ; Epigenesis, Genetic ; Humans ; Mice ; Rats ; Telomere Homeostasis
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 8
    Publikationsdatum: 2016-01-20
    Beschreibung: Congenital heart disease (CHD) patients have an increased prevalence of extracardiac congenital anomalies (CAs) and risk of neurodevelopmental disabilities (NDDs). Exome sequencing of 1213 CHD parent-offspring trios identified an excess of protein-damaging de novo mutations, especially in genes highly expressed in the developing heart and brain. These mutations accounted for 20% of patients with CHD, NDD, and CA but only 2% of patients with isolated CHD. Mutations altered genes involved in morphogenesis, chromatin modification, and transcriptional regulation, including multiple mutations in RBFOX2, a regulator of mRNA splicing. Genes mutated in other cohorts examined for NDD were enriched in CHD cases, particularly those with coexisting NDD. These findings reveal shared genetic contributions to CHD, NDD, and CA and provide opportunities for improved prognostic assessment and early therapeutic intervention in CHD patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Homsy, Jason -- Zaidi, Samir -- Shen, Yufeng -- Ware, James S -- Samocha, Kaitlin E -- Karczewski, Konrad J -- DePalma, Steven R -- McKean, David -- Wakimoto, Hiroko -- Gorham, Josh -- Jin, Sheng Chih -- Deanfield, John -- Giardini, Alessandro -- Porter, George A Jr -- Kim, Richard -- Bilguvar, Kaya -- Lopez-Giraldez, Francesc -- Tikhonova, Irina -- Mane, Shrikant -- Romano-Adesman, Angela -- Qi, Hongjian -- Vardarajan, Badri -- Ma, Lijiang -- Daly, Mark -- Roberts, Amy E -- Russell, Mark W -- Mital, Seema -- Newburger, Jane W -- Gaynor, J William -- Breitbart, Roger E -- Iossifov, Ivan -- Ronemus, Michael -- Sanders, Stephan J -- Kaltman, Jonathan R -- Seidman, Jonathan G -- Brueckner, Martina -- Gelb, Bruce D -- Goldmuntz, Elizabeth -- Lifton, Richard P -- Seidman, Christine E -- Chung, Wendy K -- T32 HL007208/HL/NHLBI NIH HHS/ -- Arthritis Research UK/United Kingdom -- British Heart Foundation/United Kingdom -- Department of Health/United Kingdom -- Howard Hughes Medical Institute/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1262-6. doi: 10.1126/science.aac9396.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, MA, USA. Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. ; Departments of Systems Biology and Biomedical Informatics, Columbia University Medical Center, New York, NY, USA. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. NIHR Cardiovascular Biomedical Research Unit at Royal Brompton & Harefield NHS Foundation and Trust and Imperial College London, London, UK. National Heart & Lung Institute, Imperial College London, London, UK. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. Analytical and Translational Genetics Unit, Massachusetts General Hospital and Harvard Medical School, Boston MA, USA. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. Howard Hughes Medical Institute, Harvard University, Boston, MA, USA. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. ; Department of Cardiology, University College London and Great Ormond Street Hospital, London, UK. ; Department of Pediatrics, University of Rochester Medical Center, The School of Medicine and Dentistry, Rochester, NY, USA. ; Section of Cardiothoracic Surgery, University of Southern California Keck School of Medicine, Los Angeles, CA, USA. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. Yale Center for Genome Analysis, Yale University, New Haven, CT, USA. ; Yale Center for Genome Analysis, Yale University, New Haven, CT, USA. ; Steven and Alexandra Cohen Children's Medical Center of New York, New Hyde Park, NY, USA. ; Departments of Systems Biology and Biomedical Informatics, Columbia University Medical Center, New York, NY, USA. Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA. ; Department of Neurology, Columbia University Medical Center, New York, NY, USA. ; Department of Pediatrics, Columbia University Medical Center, New York, NY, USA. ; Department of Cardiology, Children's Hospital Boston, Boston, MA, USA. ; Division of Pediatric Cardiology, University of Michigan, Ann Arbor, MI, USA. ; Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada. ; Department of Cardiology, Boston Children's Hospital, Boston, MA, USA. ; Department of Pediatric Cardiac Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA, USA. ; Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA. ; Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA. ; Heart Development and Structural Diseases Branch, Division of Cardiovascular Sciences, NHLBI/NIH, Bethesda, MD, USA. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Mindich Child Health and Development Institute and Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Department of Pediatrics, The Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Division of Cardiology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. Howard Hughes Medical Institute, Yale University, New Haven, CT, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. Howard Hughes Medical Institute, Harvard University, Boston, MA, USA. Cardiovascular Division, Brigham & Women's Hospital, Harvard University, Boston, MA, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Departments of Pediatrics and Medicine, Columbia University Medical Center, New York, NY, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785492" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Brain/abnormalities/metabolism ; Child ; Congenital Abnormalities/genetics ; Exome/genetics ; Heart Defects, Congenital/*diagnosis/*genetics ; Humans ; Mutation ; Nervous System Malformations/*genetics ; Neurogenesis/*genetics ; Prognosis ; RNA Splicing/genetics ; RNA, Messenger/genetics ; RNA-Binding Proteins/genetics ; Repressor Proteins/genetics ; Transcription, Genetic
    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: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alexandrov, Ludmil B -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1175. doi: 10.1126/science.aad7363.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Theoretical Biology and Biophysics (T-6), Los Alamos National Laboratory, Los Alamos, NM 87545, USA. lba@lanl.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785464" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Computer Simulation ; DNA Mutational Analysis ; Genomics/*methods ; Humans ; *Models, Genetic ; *Mutagenesis ; Mutation ; Neoplasms/classification/*genetics/pathology
    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: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1186-7. doi: 10.1126/science.350.6265.1186.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785474" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Caenorhabditis elegans/genetics/physiology ; Caenorhabditis elegans Proteins/genetics/physiology ; Caloric Restriction ; Death ; Humans ; Hydra/genetics/physiology ; Longevity/genetics/*physiology ; Mice ; Mutation ; Phosphatidylinositol 3-Kinases/genetics/physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: Research into stem cells and aging aims to understand how stem cells maintain tissue health, what mechanisms ultimately lead to decline in stem cell function with age, and how the regenerative capacity of somatic stem cells can be enhanced to promote healthy aging. Here, we explore the effects of aging on stem cells in different tissues. Recent research has focused on the ways that genetic mutations, epigenetic changes, and the extrinsic environmental milieu influence stem cell functionality over time. We describe each of these three factors, the ways in which they interact, and how these interactions decrease stem cell health over time. We are optimistic that a better understanding of these changes will uncover potential strategies to enhance stem cell function and increase tissue resiliency into old age.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goodell, Margaret A -- Rando, Thomas A -- P01 AG036695/AG/NIA NIH HHS/ -- R01 AG047820/AG/NIA NIH HHS/ -- R01 AR062185/AR/NIAMS NIH HHS/ -- R37 AG023806/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1199-204. doi: 10.1126/science.aab3388.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stem Cells and Regenerative Medicine Center, Center for Cell and Gene Therapy, and Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA. goodell@bcm.edu rando@stanford.edu. ; Glenn Center for the Biology of Aging and Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA, and Center for Regenerative Rehabilitation, Veterans Administration Palo Alto Health Care System, Palo Alto, CA 94304, USA. goodell@bcm.edu rando@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785478" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult Stem Cells/*physiology ; Aging/*physiology ; Animals ; Cell Aging ; Epigenesis, Genetic ; Genetic Drift ; *Health ; Humans ; Mice ; Mutation ; Organ Specificity ; Selection, Genetic
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 12
    Publikationsdatum: 2016-02-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Claiborne, Anne B -- English, Rebecca A -- Kahn, Jeffrey P -- 10002265/PHS HHS/ -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):668-70. doi: 10.1126/science.aaf3091. Epub 2016 Feb 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Medicine, U.S. National Academies of Sciences, Engineering, and Medicine, Washington, DC 20001, USA. aclaiborne@nas.edu. ; Institute of Medicine, U.S. National Academies of Sciences, Engineering, and Medicine, Washington, DC 20001, USA. ; Johns Hopkins Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26842937" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Nucleus/genetics ; DNA, Mitochondrial/genetics ; Ethics, Medical ; *Government Regulation ; Humans ; Mitochondrial Diseases/genetics/*prevention & control ; Mitochondrial Replacement Therapy/*ethics/*standards ; *Oocytes ; United States ; United States Food and Drug Administration ; *Zygote
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    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: 2016-01-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Servick, Kelly -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):15. doi: 10.1126/science.351.6268.15.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721984" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; California ; Cell Differentiation ; Clinical Trials as Topic ; Drug Industry ; Embryonic Stem Cells/cytology/*transplantation ; Financing, Organized ; Humans ; Photoreceptor Cells/physiology ; Rats ; Regenerative Medicine/*economics/*trends ; Retina/cytology/physiology ; Stem Cell Research/*economics
    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: 2016-01-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):16-9. doi: 10.1126/science.351.6268.16.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721985" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biomedical Research/*economics ; Communicable Disease Control/*economics ; Financial Management ; Humans ; National Institutes of Health (U.S.) ; United States ; Vaccines/*economics
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shanahan, Jesse -- New York, N.Y. -- Science. 2016 Jan 22;351(6271):418. doi: 10.1126/science.351.6271.418.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jesse Shanahan is a master's student in astronomy at Wesleyan University in Middletown, Connecticut. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26798017" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomy/*education ; *Career Mobility ; Disabled Persons/*psychology/statistics & numerical data ; Fear ; *Hostility ; Humans ; Male ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 16
    Publikationsdatum: 2016-02-26
    Beschreibung: Hundreds of pathways for degradation converge at ubiquitin recognition by a proteasome. Here, we found that the five known proteasomal ubiquitin receptors in yeast are collectively nonessential for ubiquitin recognition and identified a sixth receptor, Rpn1. A site ( T1: ) in the Rpn1 toroid recognized ubiquitin and ubiquitin-like ( UBL: ) domains of substrate shuttling factors. T1 structures with monoubiquitin or lysine 48 diubiquitin show three neighboring outer helices engaging two ubiquitins. T1 contributes a distinct substrate-binding pathway with preference for lysine 48-linked chains. Proximal to T1 within the Rpn1 toroid is a second UBL-binding site ( T2: ) that assists in ubiquitin chain disassembly, by binding the UBL of deubiquitinating enzyme Ubp6. Thus, a two-site recognition domain intrinsic to the proteasome uses distinct ubiquitin-fold ligands to assemble substrates, shuttling factors, and a deubiquitinating enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shi, Yuan -- Chen, Xiang -- Elsasser, Suzanne -- Stocks, Bradley B -- Tian, Geng -- Lee, Byung-Hoon -- Shi, Yanhong -- Zhang, Naixia -- de Poot, Stefanie A H -- Tuebing, Fabian -- Sun, Shuangwu -- Vannoy, Jacob -- Tarasov, Sergey G -- Engen, John R -- Finley, Daniel -- Walters, Kylie J -- New York, N.Y. -- Science. 2016 Feb 19;351(6275). pii: aad9421. doi: 10.1126/science.aad9421.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115, USA. ; Protein Processing Section, Structural Biophysics Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA. ; Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA. ; Protein Processing Section, Structural Biophysics Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA. Department of Analytical Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P. R. China. ; Department of Analytical Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P. R. China. ; Protein Processing Section, Structural Biophysics Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA. Linganore High School, Frederick, MD 21701, USA. ; Biophysics Resource, Structural Biophysics Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA. ; Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA. j.engen@neu.edu kylie.walters@nih.gov daniel_finley@hms.harvard.edu. ; Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115, USA. j.engen@neu.edu kylie.walters@nih.gov daniel_finley@hms.harvard.edu. ; Protein Processing Section, Structural Biophysics Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA. j.engen@neu.edu kylie.walters@nih.gov daniel_finley@hms.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912900" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): DNA-Binding Proteins/metabolism ; Endopeptidases/metabolism ; Metabolic Networks and Pathways ; Models, Molecular ; Mutation ; Proteasome Endopeptidase Complex/chemistry/genetics/*metabolism ; Saccharomyces cerevisiae/*metabolism ; Saccharomyces cerevisiae Proteins/*chemistry/genetics/*metabolism ; Ubiquitin-Specific Proteases/metabolism ; Ubiquitination
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  • 17
    Publikationsdatum: 2016-02-26
    Beschreibung: Voltage-gated CaV1.2 channels (L-type calcium channel alpha1C subunits) are critical mediators of transcription-dependent neural plasticity. Whether these channels signal via the influx of calcium ion (Ca(2+)), voltage-dependent conformational change (VDeltaC), or a combination of the two has thus far been equivocal. We fused CaV1.2 to a ligand-gated Ca(2+)-permeable channel, enabling independent control of localized Ca(2+) and VDeltaC signals. This revealed an unexpected dual requirement: Ca(2+) must first mobilize actin-bound Ca(2+)/calmodulin-dependent protein kinase II, freeing it for subsequent VDeltaC-mediated accumulation. Neither signal alone sufficed to activate transcription. Signal order was crucial: Efficiency peaked when Ca(2+) preceded VDeltaC by 10 to 20 seconds. CaV1.2 VDeltaC synergistically augmented signaling by N-methyl-d-aspartate receptors. Furthermore, VDeltaC mistuning correlated with autistic symptoms in Timothy syndrome. Thus, nonionic VDeltaC signaling is vital to the function of CaV1.2 in synaptic and neuropsychiatric processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Boxing -- Tadross, Michael R -- Tsien, Richard W -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):863-7. doi: 10.1126/science.aad3647.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience and Physiology and New York University Neuroscience Institute, New York, NY 10016, USA. ; Department of Molecular and Cellular Physiology, Beckman Center, School of Medicine, Stanford University, Stanford, CA 94305, USA. Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA. tadrossm@janelia.hhmi.org. ; Department of Neuroscience and Physiology and New York University Neuroscience Institute, New York, NY 10016, USA. Department of Molecular and Cellular Physiology, Beckman Center, School of Medicine, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912895" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Autistic Disorder/genetics/metabolism ; Calcium Channel Blockers/pharmacology ; Calcium Channels, L-Type/chemistry/*metabolism ; *Calcium Signaling ; Calcium-Calmodulin-Dependent Protein Kinase Type 2/*metabolism ; Cells, Cultured ; Cyclic AMP Response Element-Binding Protein/metabolism ; *Gene Expression Regulation ; HEK293 Cells ; Hippocampus/cytology ; Humans ; Long QT Syndrome/genetics/metabolism ; Neuronal Plasticity/*genetics ; Neurons/drug effects/*metabolism ; Nimodipine/pharmacology ; Protein Conformation/drug effects ; Rats ; Rats, Sprague-Dawley ; Receptors, N-Methyl-D-Aspartate/metabolism ; Synapses/metabolism ; Syndactyly/genetics/metabolism
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  • 18
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin-Frankel, Jennifer -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):440-3. doi: 10.1126/science.351.6272.440.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823410" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Child ; Child, Preschool ; DNA Mutational Analysis ; DNA Repair/genetics ; Female ; *Genes, Neoplasm ; *Genetic Predisposition to Disease ; Humans ; Male ; Mutation ; Neoplasms/*genetics/mortality ; Pedigree ; Tumor Suppressor Protein p53/genetics
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    Standort Signatur Erwartet Verfügbarkeit
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  • 19
    Publikationsdatum: 2016-04-02
    Beschreibung: Global climate change is a major threat to biodiversity. Large-scale analyses have generally focused on the impacts of climate change on the geographic ranges of species and on phenology, the timing of ecological phenomena. We used long-term monitoring of the abundance of breeding birds across Europe and the United States to produce, for both regions, composite population indices for two groups of species: those for which climate suitability has been either improving or declining since 1980. The ratio of these composite indices, the climate impact indicator (CII), reflects the divergent fates of species favored or disadvantaged by climate change. The trend in CII is positive and similar in the two regions. On both continents, interspecific and spatial variation in population abundance trends are well predicted by climate suitability trends.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stephens, Philip A -- Mason, Lucy R -- Green, Rhys E -- Gregory, Richard D -- Sauer, John R -- Alison, Jamie -- Aunins, Ainars -- Brotons, Lluis -- Butchart, Stuart H M -- Campedelli, Tommaso -- Chodkiewicz, Tomasz -- Chylarecki, Przemyslaw -- Crowe, Olivia -- Elts, Jaanus -- Escandell, Virginia -- Foppen, Ruud P B -- Heldbjerg, Henning -- Herrando, Sergi -- Husby, Magne -- Jiguet, Frederic -- Lehikoinen, Aleksi -- Lindstrom, Ake -- Noble, David G -- Paquet, Jean-Yves -- Reif, Jiri -- Sattler, Thomas -- Szep, Tibor -- Teufelbauer, Norbert -- Trautmann, Sven -- van Strien, Arco J -- van Turnhout, Chris A M -- Vorisek, Petr -- Willis, Stephen G -- New York, N.Y. -- Science. 2016 Apr 1;352(6281):84-7. doi: 10.1126/science.aac4858.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Conservation Ecology Group, School of Biological and Biomedical Sciences, Durham University, South Road, Durham DH1 3LE, UK. ; Royal Society for the Protection of Birds, Centre for Conservation Science, The Lodge, Sandy, Bedfordshire SG19 2DL, UK. ; Royal Society for the Protection of Birds, Centre for Conservation Science, The Lodge, Sandy, Bedfordshire SG19 2DL, UK. Conservation Science Group, Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. ; United States Geological Survey, Patuxent Wildlife Research Center, 12100 Beech Forest Road, Laurel, MD 20708, USA. ; Institute of Integrative Biology, University of Liverpool, Crown Street, Liverpool L69 3BX, UK. ; Faculty of Biology, University of Latvia, Jelgavas iela 1, Riga, LV-1004, Latvia. ; Center for Mediterranean Forest Research, Centre Tecnologic Forestal de Catalunya, InForest JRU, Solsona 25280, Spain. REAF, Cerdanyola del Valles 08193, Catalonia, Spain. CSIC, Cerdanyola del Valles 08193, Catalonia, Spain. ; Conservation Science Group, Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. BirdLife International, The David Attenborough Building, Pembroke Street, Cambridge CB2 3QZ, UK. ; MITO2000 National Committee; c/o Dream Italia, Via Garibaldi 3, 52015, Pratovecchio-Stia, Arezzo, Italy. ; Ogolnopolskie Towarzystwo Ochrony Ptakow, Odrowaza 24,05-270 Marki, Poland. ; Museum and Institute of Zoology, Polish Academy of Sciences, Wilcza 64, 00-679 Warszawa, Poland. ; BirdWatch Ireland, Unit 20 Block D Bullford Business Campus, Kilcoole, County Wicklow, Ireland. ; Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise Street 46, 51014 Tartu, Estonia. Estonian Ornithological Society, Veski 4, 51005 Tartu, Estonia. ; Sociedad Espanola de Ornitologia/BirdLife Melquiades Biencinto, 34, 28053 Madrid. Spain. ; European Bird Census Council, Post Office Box 6521, 6503 GA Nijmegen, Netherlands. Sovon Dutch Centre for Field Ornithology, Post Office Box 6521, 6503 GA Nijmegen, Netherlands. Department of Animal Ecology and Ecophysiology, Institute for Water and Wetland Research, Radboud University, Post Office Box 9010, 6500 GL Nijmegen, Netherlands. ; Dansk Ornitologisk Forening-BirdLife Denmark and University of Aarhus, Vesterbrogade 140, 1620 Kobenhavn V, Denmark. ; European Bird Census Council-Catalan Ornithological Institute, Natural History Museum of Barcelona, Placa Leonardo da Vinci 4-5, 08019 Barcelona, Catalonia, Spain. ; Section for Science, Nord University, 7600 Levanger, Norway. ; UMR7204 Sorbonne Universites-MNHN-CNRS-UPMC, CESCO, CRBPO, CP 135, 43 Rue Buffon, 75005 Paris, France. ; The Helsinki Lab of Ornithology, Finnish Museum of Natural History, Post Office Box 17, 00014 University of Helsinki, Finland. ; Biodiversity Unit, Department of Biology, Lund University, Ecology Building, S-223 62 Lund, Sweden. ; The British Trust for Ornithology, The Nunnery, Thetford, Norfolk IP24 2PU, UK. ; Natagora, Departement Etudes, Rue Nanon 98, B-5000 Namur, Belgium. ; Institute for Environmental Studies, Faculty of Science, Charles University in Prague, Czech Republic. Department of Zoology and Laboratory of Ornithology, Faculty of Science, Palacky University Olomouc, 17 Listopadu 50, 771 43 Olomouc, Czech Republic. ; Swiss Ornithological Institute, Seerose 1, 6204 Sempach, Switzerland. ; Institute of Environmental Sciences, University of Nyiregyhaza, Sostoi ut 31/b, 4400 Nyiregyhaza, Hungary. ; BirdLife Austria, Museumsplatz 1/10/8, A-1070 Vienna, Austria. ; Dachverband Deutscher Avifaunisten e.V. (Federation of German Avifaunists), An den Speichern 6, D-48157 Munster, Germany. ; Statistics Netherlands, Post Office Box 24500, 2490 HA The Hague, Netherlands. ; Sovon Dutch Centre for Field Ornithology, Post Office Box 6521, 6503 GA Nijmegen, Netherlands. Department of Animal Ecology and Ecophysiology, Institute for Water and Wetland Research, Radboud University, Post Office Box 9010, 6500 GL Nijmegen, Netherlands. ; Department of Zoology and Laboratory of Ornithology, Faculty of Science, Palacky University Olomouc, 17 Listopadu 50, 771 43 Olomouc, Czech Republic. Pan-European Common Bird Monitoring Scheme, Czech Society for Ornithology, Na Belidle 252/34, CZ-15000 Prague 5, Czech Republic.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27034371" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animal Migration ; Animals ; Biodiversity ; *Birds ; Breeding ; *Climate Change ; Ecological Parameter Monitoring ; Europe ; Population Dynamics ; United States
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1138-40. doi: 10.1126/science.351.6278.1138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26965605" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Computer Simulation ; *Explosions ; *Forensic Sciences ; Humans ; *Nuclear Weapons ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maxmen, Amy -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1378-80. doi: 10.1126/science.351.6280.1378.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013707" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anal Canal/*anatomy & histology ; Animals ; *Biological Evolution ; Ctenophora/*anatomy & histology/genetics ; Sequence Analysis, DNA
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 22
    Publikationsdatum: 2016-03-05
    Beschreibung: As tumors grow, they acquire mutations, some of which create neoantigens that influence the response of patients to immune checkpoint inhibitors. We explored the impact of neoantigen intratumor heterogeneity (ITH) on antitumor immunity. Through integrated analysis of ITH and neoantigen burden, we demonstrate a relationship between clonal neoantigen burden and overall survival in primary lung adenocarcinomas. CD8(+)tumor-infiltrating lymphocytes reactive to clonal neoantigens were identified in early-stage non-small cell lung cancer and expressed high levels of PD-1. Sensitivity to PD-1 and CTLA-4 blockade in patients with advanced NSCLC and melanoma was enhanced in tumors enriched for clonal neoantigens. T cells recognizing clonal neoantigens were detectable in patients with durable clinical benefit. Cytotoxic chemotherapy-induced subclonal neoantigens, contributing to an increased mutational load, were enriched in certain poor responders. These data suggest that neoantigen heterogeneity may influence immune surveillance and support therapeutic developments targeting clonal neoantigens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGranahan, Nicholas -- Furness, Andrew J S -- Rosenthal, Rachel -- Ramskov, Sofie -- Lyngaa, Rikke -- Saini, Sunil Kumar -- Jamal-Hanjani, Mariam -- Wilson, Gareth A -- Birkbak, Nicolai J -- Hiley, Crispin T -- Watkins, Thomas B K -- Shafi, Seema -- Murugaesu, Nirupa -- Mitter, Richard -- Akarca, Ayse U -- Linares, Joseph -- Marafioti, Teresa -- Henry, Jake Y -- Van Allen, Eliezer M -- Miao, Diana -- Schilling, Bastian -- Schadendorf, Dirk -- Garraway, Levi A -- Makarov, Vladimir -- Rizvi, Naiyer A -- Snyder, Alexandra -- Hellmann, Matthew D -- Merghoub, Taha -- Wolchok, Jedd D -- Shukla, Sachet A -- Wu, Catherine J -- Peggs, Karl S -- Chan, Timothy A -- Hadrup, Sine R -- Quezada, Sergio A -- Swanton, Charles -- 12100/Cancer Research UK/United Kingdom -- 1R01CA155010-02/CA/NCI NIH HHS/ -- 1R01CA182461-01/CA/NCI NIH HHS/ -- 1R01CA184922-01/CA/NCI NIH HHS/ -- Cancer Research UK/United Kingdom -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1463-9. doi: 10.1126/science.aaf1490. Epub 2016 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Francis Crick Institute, London WC2A 3LY, UK. Centre for Mathematics and Physics in the Life Sciences and Experimental Biology (CoMPLEX), University College London (UCL), London WC1E 6BT, UK. Cancer Research UK Lung Cancer Centre of Excellence, UCL Cancer Institute, London WC1E 6BT, UK. ; Cancer Research UK Lung Cancer Centre of Excellence, UCL Cancer Institute, London WC1E 6BT, UK. Cancer Immunology Unit, UCL Cancer Institute, UCL, London WC1E 6BT, UK. ; Cancer Research UK Lung Cancer Centre of Excellence, UCL Cancer Institute, London WC1E 6BT, UK. ; Section for Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark, 1970 Frederiksberg C, Denmark. ; The Francis Crick Institute, London WC2A 3LY, UK. Cancer Research UK Lung Cancer Centre of Excellence, UCL Cancer Institute, London WC1E 6BT, UK. ; The Francis Crick Institute, London WC2A 3LY, UK. ; Cancer Immunology Unit, UCL Cancer Institute, UCL, London WC1E 6BT, UK. Department of Cellular Pathology, UCL, London WC1E 6BT, UK. ; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. Center for Cancer Precision Medicine, Dana-Farber Cancer Institute, Boston, MA 02215, USA. ; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. ; Department of Dermatology, University Hospital, University Duisburg-Essen, 45147 Essen, Germany. German Cancer Consortium (DKTK), 69121 Heidelberg, Germany. ; Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. ; Hematology/Oncology Division, 177 Fort Washington Avenue, Columbia University, New York, NY 10032, USA. ; Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Weill Cornell Medical College, New York, NY 10065, USA. ; Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Ludwig Collaborative Laboratory, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. ; Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. Weill Cornell Medical College, New York, NY 10065, USA. Ludwig Collaborative Laboratory, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA. ; Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. Department of Medicine, Harvard Medical School, Boston, MA 02115, USA. Department of Internal Medicine, Brigham and Woman's Hospital, Boston, MA 02115, USA. ; Cancer Research UK Lung Cancer Centre of Excellence, UCL Cancer Institute, London WC1E 6BT, UK. Cancer Immunology Unit, UCL Cancer Institute, UCL, London WC1E 6BT, UK. s.quezada@ucl.ac.uk charles.swanton@crick.ac.uk. ; The Francis Crick Institute, London WC2A 3LY, UK. Cancer Research UK Lung Cancer Centre of Excellence, UCL Cancer Institute, London WC1E 6BT, UK. s.quezada@ucl.ac.uk charles.swanton@crick.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26940869" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenocarcinoma/drug therapy/genetics/*immunology ; Aged ; Aged, 80 and over ; Antigens, Neoplasm/genetics/*immunology ; Antineoplastic Agents/therapeutic use ; CD4-Positive T-Lymphocytes/*immunology ; CTLA-4 Antigen/immunology ; Carcinoma, Non-Small-Cell Lung/genetics/immunology ; Cell Cycle Checkpoints/immunology ; Female ; Humans ; *Immunologic Surveillance ; Lung Neoplasms/drug therapy/genetics/*immunology ; Lymphocytes, Tumor-Infiltrating/immunology ; Male ; Melanoma/immunology ; Middle Aged ; Mutation ; Programmed Cell Death 1 Receptor/immunology ; Skin Neoplasms/immunology
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-02-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McNutt, Marcia -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):641. doi: 10.1126/science.aaf4014. Epub 2016 Feb 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marcia McNutt Editor-in-Chief Science Journals.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912832" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Corrosion ; Federal Government ; Humans ; Michigan ; *Public Health ; Safety/*economics ; Trust ; United States ; United States Environmental Protection Agency ; Water Supply/*economics
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  • 24
    Publikationsdatum: 2016-02-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fahlgren, Noah -- Bart, Rebecca -- Herrera-Estrella, Luis -- Rellan-Alvarez, Ruben -- Chitwood, Daniel H -- Dinneny, Jose R -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):824. doi: 10.1126/science.351.6275.824-a. Epub 2016 Feb 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Donald Danforth Plant Science Center, St. Louis, MO 63132, USA. ; Nacional de Genomica para la Biodiversidad, Irapuato, 36821, Mexico. ; Donald Danforth Plant Science Center, St. Louis, MO 63132, USA. jdinneny@carnegiescience.edu dchitwood@danforthcenter.org. ; Carnegie Institution for Science, Stanford, CA 94305, USA. jdinneny@carnegiescience.edu dchitwood@danforthcenter.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912883" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): China ; Food, Genetically Modified/*adverse effects ; Genetic Engineering/*utilization ; Health ; Humans ; Plants, Genetically Modified/*adverse effects/genetics ; United States ; Zea mays/genetics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 25
    Publikationsdatum: 2016-03-26
    Beschreibung: Brazil has experienced an unprecedented epidemic of Zika virus (ZIKV), with ~30,000 cases reported to date. ZIKV was first detected in Brazil in May 2015, and cases of microcephaly potentially associated with ZIKV infection were identified in November 2015. We performed next-generation sequencing to generate seven Brazilian ZIKV genomes sampled from four self-limited cases, one blood donor, one fatal adult case, and one newborn with microcephaly and congenital malformations. Results of phylogenetic and molecular clock analyses show a single introduction of ZIKV into the Americas, which we estimated to have occurred between May and December 2013, more than 12 months before the detection of ZIKV in Brazil. The estimated date of origin coincides with an increase in air passengers to Brazil from ZIKV-endemic areas, as well as with reported outbreaks in the Pacific Islands. ZIKV genomes from Brazil are phylogenetically interspersed with those from other South American and Caribbean countries. Mapping mutations onto existing structural models revealed the context of viral amino acid changes present in the outbreak lineage; however, no shared amino acid changes were found among the three currently available virus genomes from microcephaly cases. Municipality-level incidence data indicate that reports of suspected microcephaly in Brazil best correlate with ZIKV incidence around week 17 of pregnancy, although this correlation does not demonstrate causation. Our genetic description and analysis of ZIKV isolates in Brazil provide a baseline for future studies of the evolution and molecular epidemiology of this emerging virus in the Americas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Faria, Nuno Rodrigues -- Azevedo, Raimunda do Socorro da Silva -- Kraemer, Moritz U G -- Souza, Renato -- Cunha, Mariana Sequetin -- Hill, Sarah C -- Theze, Julien -- Bonsall, Michael B -- Bowden, Thomas A -- Rissanen, Ilona -- Rocco, Iray Maria -- Nogueira, Juliana Silva -- Maeda, Adriana Yurika -- Vasami, Fernanda Giseli da Silva -- Macedo, Fernando Luiz de Lima -- Suzuki, Akemi -- Rodrigues, Sueli Guerreiro -- Cruz, Ana Cecilia Ribeiro -- Nunes, Bruno Tardeli -- Medeiros, Daniele Barbosa de Almeida -- Rodrigues, Daniela Sueli Guerreiro -- Nunes Queiroz, Alice Louize -- da Silva, Eliana Vieira Pinto -- Henriques, Daniele Freitas -- Travassos da Rosa, Elisabeth Salbe -- de Oliveira, Consuelo Silva -- Martins, Livia Caricio -- Vasconcelos, Helena Baldez -- Casseb, Livia Medeiros Neves -- Simith, Darlene de Brito -- Messina, Jane P -- Abade, Leandro -- Lourenco, Jose -- Carlos Junior Alcantara, Luiz -- de Lima, Maricelia Maia -- Giovanetti, Marta -- Hay, Simon I -- de Oliveira, Rodrigo Santos -- Lemos, Poliana da Silva -- de Oliveira, Layanna Freitas -- de Lima, Clayton Pereira Silva -- da Silva, Sandro Patroca -- de Vasconcelos, Janaina Mota -- Franco, Luciano -- Cardoso, Jedson Ferreira -- Vianez-Junior, Joao Lidio da Silva Goncalves -- Mir, Daiana -- Bello, Gonzalo -- Delatorre, Edson -- Khan, Kamran -- Creatore, Marisa -- Coelho, Giovanini Evelim -- de Oliveira, Wanderson Kleber -- Tesh, Robert -- Pybus, Oliver G -- Nunes, Marcio R T -- Vasconcelos, Pedro F C -- 090532/Z/09/Z/Wellcome Trust/United Kingdom -- 095066/Wellcome Trust/United Kingdom -- 102427/Wellcome Trust/United Kingdom -- MR/L009528/1/Medical Research Council/United Kingdom -- R24 AT 120942/AT/NCCIH NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):345-9. doi: 10.1126/science.aaf5036. Epub 2016 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Technological Innovation, Evandro Chagas Institute, Ministry of Health, Ananindeua, PA 67030-000, Brazil. Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK. ; Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Para State, Brazil. ; Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK. ; Instituto Adolfo Lutz, University of Sao Paulo, Sao Paulo, Brazil. ; Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK. ; Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK. Metabiota, San Francisco, CA 94104, USA. ; Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil. ; Centre of Post Graduation in Collective Health, Department of Health, Universidade Estadual de Feira de Santana, Feira de Santana, Bahia, Brazil. ; Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA 98121, USA. Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK. ; Center for Technological Innovation, Evandro Chagas Institute, Ministry of Health, Ananindeua, PA 67030-000, Brazil. ; Laboratorio de AIDS and Imunologia Molecular, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil. ; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada. Department of Medicine, Division of Infectious Diseases, University of Toronto, Toronto, Ontario, Canada. ; Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada. ; Brazilian Ministry of Health, Brasilia, Brazil. ; Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA. ; Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK. Metabiota, San Francisco, CA 94104, USA. oliver.pybus@zoo.ox.ac.uk marcionunesbrasil@yahoo.com.br pedrovasconcelos@iec.pa.gov.br. ; Center for Technological Innovation, Evandro Chagas Institute, Ministry of Health, Ananindeua, PA 67030-000, Brazil. Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA. oliver.pybus@zoo.ox.ac.uk marcionunesbrasil@yahoo.com.br pedrovasconcelos@iec.pa.gov.br. ; Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Para State, Brazil. oliver.pybus@zoo.ox.ac.uk marcionunesbrasil@yahoo.com.br pedrovasconcelos@iec.pa.gov.br.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013429" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aedes/virology ; Americas/epidemiology ; Animals ; *Disease Outbreaks ; Female ; Genome, Viral/genetics ; Humans ; Incidence ; Insect Vectors/virology ; Microcephaly/*epidemiology/virology ; Molecular Epidemiology ; Molecular Sequence Data ; Mutation ; Pacific Islands/epidemiology ; Phylogeny ; Pregnancy ; RNA, Viral/genetics ; Sequence Analysis, RNA ; Travel ; Zika Virus/classification/*genetics/isolation & purification ; Zika Virus Infection/*epidemiology/transmission/*virology
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  • 26
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-09
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2016 Jan 8;351(6269):115. doi: 10.1126/science.351.6269.115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26744390" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Female ; Financing, Organized/*statistics & numerical data ; Humans ; Research Personnel ; Research Support as Topic/*statistics & numerical data ; *Sexism ; United States ; *Women, Working
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):10-1. doi: 10.1126/science.351.6268.10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉With reporting from Science's news staff.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721980" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/*economics ; Budgets ; Humans ; National Institutes of Health (U.S.)/*economics ; *Research Support as Topic ; United States ; United States National Aeronautics and Space Administration/economics
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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: 2016-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Underwood, Emily -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):277-8. doi: 10.1126/science.352.6283.277.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081045" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Brain ; *Datasets as Topic ; European Union ; Humans ; International Cooperation ; Neurosciences/*trends ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 29
    Publikationsdatum: 2016-01-02
    Beschreibung: Motivation for reward drives adaptive behaviors, whereas impairment of reward perception and experience (anhedonia) can contribute to psychiatric diseases, including depression and schizophrenia. We sought to test the hypothesis that the medial prefrontal cortex (mPFC) controls interactions among specific subcortical regions that govern hedonic responses. By using optogenetic functional magnetic resonance imaging to locally manipulate but globally visualize neural activity in rats, we found that dopamine neuron stimulation drives striatal activity, whereas locally increased mPFC excitability reduces this striatal response and inhibits the behavioral drive for dopaminergic stimulation. This chronic mPFC overactivity also stably suppresses natural reward-motivated behaviors and induces specific new brainwide functional interactions, which predict the degree of anhedonia in individuals. These findings describe a mechanism by which mPFC modulates expression of reward-seeking behavior, by regulating the dynamical interactions between specific distant subcortical regions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4772156/" 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/PMC4772156/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ferenczi, Emily A -- Zalocusky, Kelly A -- Liston, Conor -- Grosenick, Logan -- Warden, Melissa R -- Amatya, Debha -- Katovich, Kiefer -- Mehta, Hershel -- Patenaude, Brian -- Ramakrishnan, Charu -- Kalanithi, Paul -- Etkin, Amit -- Knutson, Brian -- Glover, Gary H -- Deisseroth, Karl -- 1F31MH105151_01/MH/NIMH NIH HHS/ -- P41 EB015891/EB/NIBIB NIH HHS/ -- R00 MH097822/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):aac9698. doi: 10.1126/science.aac9698.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering, Stanford University, Stanford, CA 94305, USA. Neurosciences Program, Stanford University, Stanford, CA 94305, USA. ; Brain Mind Research Institute, Weill Cornell Medical College, New York, NY 10065, USA. ; Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA. ; Department of Bioengineering, Stanford University, Stanford, CA 94305, USA. ; Department of Psychology, Stanford University, Stanford, CA 94305, USA. ; Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA. ; Department of Neurosurgery, Stanford University, Stanford, CA 94305, USA. ; Department of Radiology, Stanford University, Stanford, CA, 94305, USA. ; Department of Bioengineering, Stanford University, Stanford, CA 94305, USA. Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853, USA. Howard Hughes Medical Institute, Stanford University, Stanford, CA, 94305, USA. deissero@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26722001" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anhedonia/*physiology ; Animals ; Brain Mapping ; Corpus Striatum/cytology/drug effects/*physiology ; Depressive Disorder/physiopathology ; Dopamine/pharmacology ; Dopaminergic Neurons/drug effects/*physiology ; Female ; Magnetic Resonance Imaging ; Male ; Mesencephalon/cytology/drug effects/physiology ; *Motivation ; Nerve Net/physiology ; Oxygen/blood ; Prefrontal Cortex/cytology/drug effects/*physiology ; Rats ; Rats, Inbred LEC ; Rats, Sprague-Dawley ; *Reward ; Schizophrenia/physiopathology
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Varmus, Harold -- New York, N.Y. -- Science. 2016 Apr 8;352(6282):123. doi: 10.1126/science.aaf7301.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harold Varmus is the Lewis Thomas University Professor at the Meyer Cancer Center, Weill Cornell Medicine, New York, NY; Senior Associate Member of the New York Genome Center, New York, NY; and former director of the U.S. National Cancer Institute. varmus@med.cornell.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27124426" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Federal Government ; Humans ; Information Dissemination ; *Leadership ; Medical Oncology/economics/*trends ; Neoplasms/diagnosis/drug therapy/prevention & control ; United States
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fu, He -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):486. doi: 10.1126/science.352.6284.486.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉He Fu is a Ph.D. candidate in the Department of Microbiology at the University of Illinois, Urbana-Champaign. For more on life and careers, visit sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102487" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Career Choice ; China ; *International Educational Exchange ; Microbiology/*education ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 32
    Publikationsdatum: 2016-03-19
    Beschreibung: Steroids regulate cell proliferation, tissue development, and cell signaling via two pathways: a nuclear receptor mechanism and genome-independent signaling. Sperm activation, egg maturation, and steroid-induced anesthesia are executed via the latter pathway, the key components of which remain unknown. Here, we present characterization of the human sperm progesterone receptor that is conveyed by the orphan enzyme alpha/beta hydrolase domain-containing protein 2 (ABHD2). We show that ABHD2 is highly expressed in spermatozoa, binds progesterone, and acts as a progesterone-dependent lipid hydrolase by depleting the endocannabinoid 2-arachidonoylglycerol (2AG) from plasma membrane. The 2AG inhibits the sperm calcium channel (CatSper), and its removal leads to calcium influx via CatSper and ensures sperm activation. This study reveals that progesterone-activated endocannabinoid depletion by ABHD2 is a general mechanism by which progesterone exerts its genome-independent action and primes sperm for fertilization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Melissa R -- Mannowetz, Nadja -- Iavarone, Anthony T -- Safavi, Rojin -- Gracheva, Elena O -- Smith, James F -- Hill, Rose Z -- Bautista, Diana M -- Kirichok, Yuriy -- Lishko, Polina V -- 1S10OD020062-01/OD/NIH HHS/ -- R01 AR059385/AR/NIAMS NIH HHS/ -- R01AR059385/AR/NIAMS NIH HHS/ -- R01GM111802/GM/NIGMS NIH HHS/ -- R01HD068914/HD/NICHD NIH HHS/ -- R21HD081403/HD/NICHD NIH HHS/ -- S10RR025622/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):555-9. doi: 10.1126/science.aad6887. Epub 2016 Mar 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. ; QB3/Chemistry Mass Spectrometry Facility, University of California, Berkeley, CA 94720, USA. ; Department of Cellular and Molecular Physiology; Department of Neuroscience, Program in Cellular Neuroscience, Neurodegeneration, and Repair (CNNR), Yale School of Medicine, Yale University, New Haven, CT 06536, USA. ; Department of Urology, University of California, San Francisco, CA 94143, USA. ; Department of Physiology, University of California, San Francisco, CA 94158, USA. ; Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. lishko@berkeley.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26989199" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Animals ; Arachidonic Acids/*deficiency ; Calcium/metabolism ; Calcium Channels/metabolism ; Calcium Signaling ; Cell Membrane/metabolism ; Endocannabinoids/*deficiency ; Fertilization ; Glycerides/*deficiency ; Humans ; Hydrolases/genetics/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Progesterone/*metabolism/pharmacology ; Rats ; Rats, Wistar ; Receptors, Progesterone/genetics/*metabolism ; Sperm Motility/drug effects/*physiology ; Spermatozoa/drug effects/metabolism/*physiology ; Young Adult
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  • 33
    Publikationsdatum: 2016-04-16
    Beschreibung: Drug resistance compromises control of malaria. Here, we show that resistance to a commonly used antimalarial medication, atovaquone, is apparently unable to spread. Atovaquone pressure selects parasites with mutations in cytochrome b, a respiratory protein with low but essential activity in the mammalian blood phase of the parasite life cycle. Resistance mutations rescue parasites from the drug but later prove lethal in the mosquito phase, where parasites require full respiration. Unable to respire efficiently, resistant parasites fail to complete mosquito development, arresting their life cycle. Because cytochrome b is encoded by the maternally inherited parasite mitochondrion, even outcrossing with wild-type strains cannot facilitate spread of resistance. Lack of transmission suggests that resistance will be unable to spread in the field, greatly enhancing the utility of atovaquone in malaria control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goodman, Christopher D -- Siregar, Josephine E -- Mollard, Vanessa -- Vega-Rodriguez, Joel -- Syafruddin, Din -- Matsuoka, Hiroyuki -- Matsuzaki, Motomichi -- Toyama, Tomoko -- Sturm, Angelika -- Cozijnsen, Anton -- Jacobs-Lorena, Marcelo -- Kita, Kiyoshi -- Marzuki, Sangkot -- McFadden, Geoffrey I -- AI031478/AI/NIAID NIH HHS/ -- RR00052/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):349-53. doi: 10.1126/science.aad9279.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of BioSciences, University of Melbourne, Melbourne, VIC 3010, Australia. gim@unimelb.edu.au deang@unimelb.edu.au. ; School of BioSciences, University of Melbourne, Melbourne, VIC 3010, Australia. Eijkman Institute for Molecular Biology, JI Diponegoro no. 69, Jakarta, 10430, Indonesia. Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. ; School of BioSciences, University of Melbourne, Melbourne, VIC 3010, Australia. ; Johns Hopkins University Bloomberg School of Public Health, Department of Molecular Microbiology and Immunology, Malaria Research Institute, Baltimore, MD 21205, USA. ; Eijkman Institute for Molecular Biology, JI Diponegoro no. 69, Jakarta, 10430, Indonesia. Department of Parasitology, Faculty of Medicine, Hasanuddin University, Jalan Perintis Kemerdekaan Km10, Makassar 90245, Indonesia. ; Division of Medical Zoology, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498, Japan. ; Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. ; Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. School of Tropical Medicine and Global Health, Nagasaki University, Sakamoto, Nagasaki 852-8523, Japan. ; Eijkman Institute for Molecular Biology, JI Diponegoro no. 69, Jakarta, 10430, Indonesia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081071" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anopheles/*parasitology ; Antimalarials/*pharmacology/therapeutic use ; Atovaquone/*pharmacology/therapeutic use ; Cell Line ; Cytochromes b/*genetics ; Drug Resistance/*genetics ; Genes, Mitochondrial/genetics ; Humans ; Life Cycle Stages/drug effects/genetics ; Malaria/drug therapy/*parasitology/transmission ; Male ; Mice ; Mitochondria/*genetics ; Mutation ; Plasmodium berghei/*drug effects/genetics/growth & development ; Selection, Genetic
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  • 34
    Publikationsdatum: 2016-03-26
    Beschreibung: Cell assembly sequences during learning are "replayed" during hippocampal ripples and contribute to the consolidation of episodic memories. However, neuronal sequences may also reflect preexisting dynamics. We report that sequences of place-cell firing in a novel environment are formed from a combination of the contributions of a rigid, predominantly fast-firing subset of pyramidal neurons with low spatial specificity and limited change across sleep-experience-sleep and a slow-firing plastic subset. Slow-firing cells, rather than fast-firing cells, gained high place specificity during exploration, elevated their association with ripples, and showed increased bursting and temporal coactivation during postexperience sleep. Thus, slow- and fast-firing neurons, although forming a continuous distribution, have different coding and plastic properties.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grosmark, Andres D -- Buzsaki, Gyorgy -- MH102840/MH/NIMH NIH HHS/ -- MH54671/MH/NIMH NIH HHS/ -- NS075015/NS/NINDS NIH HHS/ -- R01 MH107396/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1440-3. doi: 10.1126/science.aad1935.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Columbia University Medical Center, New York, NY 10019, USA. The Neuroscience Institute, School of Medicine, New York University, New York, NY 10016, USA. ; The Neuroscience Institute, School of Medicine, New York University, New York, NY 10016, USA. Center for Neural Science, New York University, New York, NY 10016, USA. gyorgy.buzsaki@nyumc.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013730" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Animals ; Hippocampus/cytology/*physiopathology ; Learning/*physiology ; Male ; Maze Learning ; Neuronal Plasticity ; Pyramidal Cells/*physiology ; Rats ; Rats, Inbred LEC ; Sleep/physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 35
    Publikationsdatum: 2016-02-26
    Beschreibung: The U4/U6.U5 triple small nuclear ribonucleoprotein (tri-snRNP) is a major spliceosome building block. We obtained a three-dimensional structure of the 1.8-megadalton human tri-snRNP at a resolution of 7 angstroms using single-particle cryo-electron microscopy (cryo-EM). We fit all known high-resolution structures of tri-snRNP components into the EM density map and validated them by protein cross-linking. Our model reveals how the spatial organization of Brr2 RNA helicase prevents premature U4/U6 RNA unwinding in isolated human tri-snRNPs and how the ubiquitin C-terminal hydrolase-like protein Sad1 likely tethers the helicase Brr2 to its preactivation position. Comparison of our model with cryo-EM three-dimensional structures of the Saccharomyces cerevisiae tri-snRNP and Schizosaccharomyces pombe spliceosome indicates that Brr2 undergoes a marked conformational change during spliceosome activation, and that the scaffolding protein Prp8 is also rearranged to accommodate the spliceosome's catalytic RNA network.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agafonov, Dmitry E -- Kastner, Berthold -- Dybkov, Olexandr -- Hofele, Romina V -- Liu, Wen-Ti -- Urlaub, Henning -- Luhrmann, Reinhard -- Stark, Holger -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1416-20. doi: 10.1126/science.aad2085. Epub 2016 Feb 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular Biochemistry, Max Planck Institute for Biophysical Chemistry, D-37077 Gottingen, Germany. ; Bioanalytical Mass Spectrometry, Max Planck Institute for Biophysical Chemistry, D-37077 Gottingen, Germany. Bioanalytics Group, Institute for Clinical Chemistry, University Medical Center Gottingen, D-37075 Gottingen, Germany. ; Department of 3D Electron Cryomicroscopy, Georg-August Universitat Gottingen, D-37077 Gottingen, Germany. Department of Structural Dynamics, Max Planck Institute for Biophysical Chemistry, D-37077 Gottingen, Germany. ; Bioanalytical Mass Spectrometry, Max Planck Institute for Biophysical Chemistry, D-37077 Gottingen, Germany. Bioanalytics Group, Institute for Clinical Chemistry, University Medical Center Gottingen, D-37075 Gottingen, Germany. reinhard.luehrmann@mpi-bpc.mpg.de hstark1@gwdg.de henning.urlaub@mpibpc.mpg.de. ; Department of Cellular Biochemistry, Max Planck Institute for Biophysical Chemistry, D-37077 Gottingen, Germany. reinhard.luehrmann@mpi-bpc.mpg.de hstark1@gwdg.de henning.urlaub@mpibpc.mpg.de. ; Department of 3D Electron Cryomicroscopy, Georg-August Universitat Gottingen, D-37077 Gottingen, Germany. Department of Structural Dynamics, Max Planck Institute for Biophysical Chemistry, D-37077 Gottingen, Germany. reinhard.luehrmann@mpi-bpc.mpg.de hstark1@gwdg.de henning.urlaub@mpibpc.mpg.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912367" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cryoelectron Microscopy ; Crystallography, X-Ray ; DEAD-box RNA Helicases/chemistry ; Enzyme Activation ; HeLa Cells ; Humans ; Models, Molecular ; Peptide Elongation Factors/chemistry ; Protein Conformation ; RNA Helicases/chemistry ; RNA-Binding Proteins/chemistry ; Ribonucleoprotein, U4-U6 Small Nuclear/*chemistry ; Ribonucleoprotein, U5 Small Nuclear/*chemistry ; Ribonucleoproteins, Small Nuclear/chemistry ; Saccharomyces cerevisiae Proteins/chemistry ; Schizosaccharomyces/metabolism ; Ubiquitin Thiolesterase/chemistry
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  • 36
    Publikationsdatum: 2016-02-26
    Beschreibung: Bruns and Taylor argue that our finding of widespread distribution among Glomeromycota "virtual taxa" is undermined by the species definition applied. Although identifying appropriate species concepts and accessing taxonomically informative traits are challenges for microorganism biogeography, the virtual taxa represent a pragmatic classification that corresponds approximately to the species rank of classical Glomeromycota taxonomy, yet is applicable to environmental DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Opik, Maarja -- Davison, John -- Moora, Mari -- Partel, Meelis -- Zobel, Martin -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):826. doi: 10.1126/science.aad5495.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, University of Tartu, 40 Lai Street, 51005 Tartu, Estonia. maarja.opik@ut.ee. ; Department of Botany, University of Tartu, 40 Lai Street, 51005 Tartu, Estonia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912890" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Ecosystem ; Humans ; *Mycorrhizae ; Plant Roots/*microbiology ; *Symbiosis
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  • 37
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-28
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alberts, Bruce -- New York, N.Y. -- Science. 2016 Jan 15;351(6270):207. doi: 10.1126/science.aaf2001.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Bruce Alberts is the Chancellor's Leadership Chair in Biochemistry and Biophysics for Science and Education at the University of California, San Francisco, CA, and emeritus editor-in-chief of Science. Bruce.Alberts@ucsf.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26816352" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Career Choice ; *Faculty ; Humans ; Leadership ; Policy Making ; *Power (Psychology) ; Schools/*manpower/trends ; Teaching/*manpower/methods/trends ; United States
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  • 38
    Publikationsdatum: 2016-03-19
    Beschreibung: Expansions of a hexanucleotide repeat (GGGGCC) in the noncoding region of the C9orf72 gene are the most common genetic cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. Decreased expression of C9orf72 is seen in expansion carriers, suggesting that loss of function may play a role in disease. We found that two independent mouse lines lacking the C9orf72 ortholog (3110043O21Rik) in all tissues developed normally and aged without motor neuron disease. Instead, C9orf72 null mice developed progressive splenomegaly and lymphadenopathy with accumulation of engorged macrophage-like cells. C9orf72 expression was highest in myeloid cells, and the loss of C9orf72 led to lysosomal accumulation and altered immune responses in macrophages and microglia, with age-related neuroinflammation similar to C9orf72 ALS but not sporadic ALS human patient tissue. Thus, C9orf72 is required for the normal function of myeloid cells, and altered microglial function may contribute to neurodegeneration in C9orf72 expansion carriers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Rourke, J G -- Bogdanik, L -- Yanez, A -- Lall, D -- Wolf, A J -- Muhammad, A K M G -- Ho, R -- Carmona, S -- Vit, J P -- Zarrow, J -- Kim, K J -- Bell, S -- Harms, M B -- Miller, T M -- Dangler, C A -- Underhill, D M -- Goodridge, H S -- Lutz, C M -- Baloh, R H -- GM085796/GM/NIGMS NIH HHS/ -- NS069669/NS/NINDS NIH HHS/ -- NS078398/NS/NINDS NIH HHS/ -- NS087351/NS/NINDS NIH HHS/ -- UL1TR000124/TR/NCATS NIH HHS/ -- New York, N.Y. -- Science. 2016 Mar 18;351(6279):1324-9. doi: 10.1126/science.aaf1064.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA. ; The Jackson Laboratory, Bar Harbor, ME, USA. ; Division of Biomedical Sciences, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA. ; Department of Neurology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, MO 63110, USA. ; Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA. Department of Neurology, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Los Angeles, CA 90048, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26989253" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/immunology ; Amyotrophic Lateral Sclerosis/genetics/*immunology ; Animals ; Frontotemporal Dementia/genetics/*immunology ; Gene Knockdown Techniques ; Guanine Nucleotide Exchange Factors/genetics/*physiology ; Heterozygote ; Humans ; Lymphatic Diseases/genetics/immunology ; Macrophages/*immunology ; Mice ; Mice, Knockout ; Microglia/*immunology ; Myeloid Cells/*immunology ; Proteins/genetics/*physiology ; Rats ; Splenomegaly/genetics/immunology
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  • 39
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-28
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2016 Jan 15;351(6270):214-5. doi: 10.1126/science.351.6270.214. Epub 2016 Jan 14.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26816357" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anatomy, Comparative ; Animals ; *Biological Evolution ; Colubridae/anatomy & histology/physiology ; *Copulation ; Female ; Genitalia, Female/*anatomy & histology/*physiology ; Male
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  • 40
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-02-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ball, Steven G -- Bhattacharya, Debashish -- Weber, Andreas P M -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):659-60. doi: 10.1126/science.aad8864.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite de Lille CNRS, UMR 8576-UGSF-Unite de Glycobiologie Structurale et Fonctionnelle, F 59000 Lille, France. ; Department of Ecology, Evolution and Natural Resources, Rutgers University, New Brunswick, NJ 08901, USA. debash.bhattacharya@gmail.com. ; Institute for Plant Biochemistry, Center of Excellence on Plant Sciences, Heinrich-Heine-University, Universitatsstrasse 1, D-40225 Dusseldorf, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912842" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alphaproteobacteria/*genetics/pathogenicity ; Animals ; Archaea/metabolism ; *Biological Evolution ; Endocytosis ; Energy Metabolism/genetics ; Eukaryota/genetics ; *Host-Pathogen Interactions ; Humans ; Mitochondria/*genetics ; Plastids/*genetics ; Rickettsia/genetics/pathogenicity ; Symbiosis/*genetics
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  • 41
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):394-5. doi: 10.1126/science.352.6284.394. Epub 2016 Apr 21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102455" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Evolution, Molecular ; Foundations ; Genes ; Genetic Research/*economics ; Great Britain ; Humans ; *Research Support as Topic ; *Selection, Genetic ; Sweden ; United States
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  • 42
    Publikationsdatum: 2016-03-12
    Beschreibung: AMPA-type glutamate receptors (AMPARs), which are central mediators of rapid neurotransmission and synaptic plasticity, predominantly exist as heteromers of the subunits GluA1 to GluA4. Here we report the first AMPAR heteromer structures, which deviate substantially from existing GluA2 homomer structures. Crystal structures of the GluA2/3 and GluA2/4 N-terminal domains reveal a novel compact conformation with an alternating arrangement of the four subunits around a central axis. This organization is confirmed by cysteine cross-linking in full-length receptors, and it permitted us to determine the structure of an intact GluA2/3 receptor by cryogenic electron microscopy. Two models in the ligand-free state, at resolutions of 8.25 and 10.3 angstroms, exhibit substantial vertical compression and close associations between domain layers, reminiscent of N-methyl-D-aspartate receptors. Model 1 resembles a resting state and model 2 a desensitized state, thus providing snapshots of gating transitions in the nominal absence of ligand. Our data reveal organizational features of heteromeric AMPARs and provide a framework to decipher AMPAR architecture and signaling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4852135/" 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/PMC4852135/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Herguedas, Beatriz -- Garcia-Nafria, Javier -- Cais, Ondrej -- Fernandez-Leiro, Rafael -- Krieger, James -- Ho, Hinze -- Greger, Ingo H -- MC_U105174197/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):aad3873. doi: 10.1126/science.aad3873. Epub 2016 Mar 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurobiology Division, Medical Research Council (MRC) Laboratory of Molecular Biology, Cambridge, UK. ; Structural Studies Division, MRC Laboratory of Molecular Biology, Cambridge, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26966189" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Brain/metabolism ; Cryoelectron Microscopy ; Crystallography, X-Ray ; HEK293 Cells ; Humans ; Ligands ; Models, Molecular ; *Protein Multimerization ; Protein Structure, Tertiary ; Receptors, AMPA/*chemistry/ultrastructure
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  • 43
    Publikationsdatum: 2016-03-05
    Beschreibung: Oncogenes are activated through well-known chromosomal alterations such as gene fusion, translocation, and focal amplification. In light of recent evidence that the control of key genes depends on chromosome structures called insulated neighborhoods, we investigated whether proto-oncogenes occur within these structures and whether oncogene activation can occur via disruption of insulated neighborhood boundaries in cancer cells. We mapped insulated neighborhoods in T cell acute lymphoblastic leukemia (T-ALL) and found that tumor cell genomes contain recurrent microdeletions that eliminate the boundary sites of insulated neighborhoods containing prominent T-ALL proto-oncogenes. Perturbation of such boundaries in nonmalignant cells was sufficient to activate proto-oncogenes. Mutations affecting chromosome neighborhood boundaries were found in many types of cancer. Thus, oncogene activation can occur via genetic alterations that disrupt insulated neighborhoods in malignant cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hnisz, Denes -- Weintraub, Abraham S -- Day, Daniel S -- Valton, Anne-Laure -- Bak, Rasmus O -- Li, Charles H -- Goldmann, Johanna -- Lajoie, Bryan R -- Fan, Zi Peng -- Sigova, Alla A -- Reddy, Jessica -- Borges-Rivera, Diego -- Lee, Tong Ihn -- Jaenisch, Rudolf -- Porteus, Matthew H -- Dekker, Job -- Young, Richard A -- AI120766/AI/NIAID NIH HHS/ -- CA109901/CA/NCI NIH HHS/ -- HG002668/HG/NHGRI NIH HHS/ -- MH104610/MH/NIMH NIH HHS/ -- NS088538/NS/NINDS NIH HHS/ -- R01 GM 112720/GM/NIGMS NIH HHS/ -- R01 HG002668/HG/NHGRI NIH HHS/ -- R01 HG003143/HG/NHGRI NIH HHS/ -- R01 MH104610/MH/NIMH NIH HHS/ -- U01 DA 040588/DA/NIDA NIH HHS/ -- U01 HG007910/HG/NHGRI NIH HHS/ -- U01 R01 AI 117839/AI/NIAID NIH HHS/ -- U54 CA193419/CA/NCI NIH HHS/ -- U54 DK107980/DK/NIDDK NIH HHS/ -- U54 HG007010/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1454-8. doi: 10.1126/science.aad9024. Epub 2016 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. ; Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Program in Systems Biology, Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA. ; Department of Pediatrics, Stanford University, Stanford, CA, USA. ; Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. Computational and Systems Biology Program, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Program in Systems Biology, Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01605, USA. Howard Hughes Medical Institute. ; Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. young@wi.mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26940867" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Chromosome Aberrations ; Chromosome Mapping ; *Gene Expression Regulation, Leukemic ; HEK293 Cells ; Humans ; Mutation ; Precursor T-Cell Lymphoblastic Leukemia-Lymphoma/*genetics ; Proto-Oncogenes/*genetics ; *Sequence Deletion ; Transcriptional Activation ; *Translocation, Genetic
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  • 44
    Publikationsdatum: 2016-03-26
    Beschreibung: Sequencing of exomes and genomes has revealed abundant genetic variation affecting the coding sequences of human transcription factors (TFs), but the consequences of such variation remain largely unexplored. We developed a computational, structure-based approach to evaluate TF variants for their impact on DNA binding activity and used universal protein-binding microarrays to assay sequence-specific DNA binding activity across 41 reference and 117 variant alleles found in individuals of diverse ancestries and families with Mendelian diseases. We found 77 variants in 28 genes that affect DNA binding affinity or specificity and identified thousands of rare alleles likely to alter the DNA binding activity of human sequence-specific TFs. Our results suggest that most individuals have unique repertoires of TF DNA binding activities, which may contribute to phenotypic variation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4825693/" 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/PMC4825693/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barrera, Luis A -- Vedenko, Anastasia -- Kurland, Jesse V -- Rogers, Julia M -- Gisselbrecht, Stephen S -- Rossin, Elizabeth J -- Woodard, Jaie -- Mariani, Luca -- Kock, Kian Hong -- Inukai, Sachi -- Siggers, Trevor -- Shokri, Leila -- Gordan, Raluca -- Sahni, Nidhi -- Cotsapas, Chris -- Hao, Tong -- Yi, Song -- Kellis, Manolis -- Daly, Mark J -- Vidal, Marc -- Hill, David E -- Bulyk, Martha L -- P50 HG004233/HG/NHGRI NIH HHS/ -- R01 HG003985/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1450-4. doi: 10.1126/science.aad2257. Epub 2016 Mar 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. Committee on Higher Degrees in Biophysics, Harvard University, Cambridge, MA 02138, USA. Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA 02115, USA. Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. ; Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. Committee on Higher Degrees in Biophysics, Harvard University, Cambridge, MA 02138, USA. ; Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA 02115, USA. Analytic and Translational Genetics Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA. Broad Institute of Harvard and MIT, Cambridge, MA 02139, USA. ; Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. Program in Biological and Biomedical Sciences, Harvard University, Cambridge, MA 02138, USA. ; Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute, Boston, MA 02215, USA. Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Department of Genetics, Harvard Medical School, Boston, MA 02115, USA. ; Analytic and Translational Genetics Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA. Broad Institute of Harvard and MIT, Cambridge, MA 02139, USA. ; Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. Broad Institute of Harvard and MIT, Cambridge, MA 02139, USA. ; Analytic and Translational Genetics Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA. Broad Institute of Harvard and MIT, Cambridge, MA 02139, USA. Center for Human Genetics Research and Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA. ; Division of Genetics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA. Committee on Higher Degrees in Biophysics, Harvard University, Cambridge, MA 02138, USA. Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA 02115, USA. Broad Institute of Harvard and MIT, Cambridge, MA 02139, USA. Program in Biological and Biomedical Sciences, Harvard University, Cambridge, MA 02138, USA. Center for Cancer Systems Biology (CCSB), Dana-Farber Cancer Institute, Boston, MA 02215, USA. Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013732" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Base Sequence ; Binding Sites ; Computer Simulation ; DNA/*metabolism ; DNA-Binding Proteins/*genetics/metabolism ; Exome/genetics ; *Gene Expression Regulation ; Genetic Diseases, Inborn/*genetics ; Genetic Variation ; Genome, Human ; Humans ; Mutation ; Polymorphism, Single Nucleotide ; Protein Array Analysis ; Protein Binding ; Sequence Analysis, DNA ; Transcription Factors/*genetics/metabolism
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  • 45
    Publikationsdatum: 2016-01-30
    Beschreibung: p97 is a hexameric AAA+ adenosine triphosphatase (ATPase) that is an attractive target for cancer drug development. We report cryo-electron microscopy (cryo-EM) structures for adenosine diphosphate (ADP)-bound, full-length, hexameric wild-type p97 in the presence and absence of an allosteric inhibitor at resolutions of 2.3 and 2.4 angstroms, respectively. We also report cryo-EM structures (at resolutions of ~3.3, 3.2, and 3.3 angstroms, respectively) for three distinct, coexisting functional states of p97 with occupancies of zero, one, or two molecules of adenosine 5'-O-(3-thiotriphosphate) (ATPgammaS) per protomer. A large corkscrew-like change in molecular architecture, coupled with upward displacement of the N-terminal domain, is observed only when ATPgammaS is bound to both the D1 and D2 domains of the protomer. These cryo-EM structures establish the sequence of nucleotide-driven structural changes in p97 at atomic resolution. They also enable elucidation of the binding mode of an allosteric small-molecule inhibitor to p97 and illustrate how inhibitor binding at the interface between the D1 and D2 domains prevents propagation of the conformational changes necessary for p97 function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Banerjee, Soojay -- Bartesaghi, Alberto -- Merk, Alan -- Rao, Prashant -- Bulfer, Stacie L -- Yan, Yongzhao -- Green, Neal -- Mroczkowski, Barbara -- Neitz, R Jeffrey -- Wipf, Peter -- Falconieri, Veronica -- Deshaies, Raymond J -- Milne, Jacqueline L S -- Huryn, Donna -- Arkin, Michelle -- Subramaniam, Sriram -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):871-5. doi: 10.1126/science.aad7974. Epub 2016 Jan 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell Biology, National Cancer Institute, Bethesda, MD 20892, USA. ; Small Molecule Discovery Center, Pharmaceutical Chemistry, School of Pharmacy, University of California, San Francisco, CA 94143, USA. ; University of Pittsburgh Chemical Diversity Center, University of Pittsburgh, Pittsburgh, PA 15260, USA. ; Leidos Biomedical Research Inc., Frederick, MD 21702, USA. ; Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD 20892, USA. ; Division of Biology and Biological Engineering and Howard Hughes Medical Institute, California Institute of Technology, Pasadena, CA 91107, USA. ; Laboratory of Cell Biology, National Cancer Institute, Bethesda, MD 20892, USA. ss1@nih.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26822609" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Diphosphate/chemistry ; Adenosine Triphosphatases/*antagonists & inhibitors/*chemistry ; Adenosine Triphosphate/analogs & derivatives/chemistry ; Allosteric Regulation ; Binding Sites ; Cryoelectron Microscopy ; Enzyme Inhibitors ; Humans ; Models, Molecular ; Nuclear Proteins/*antagonists & inhibitors/*chemistry ; Protein Structure, Tertiary
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  • 46
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-02
    Beschreibung: Antibiotic treatment has two conflicting effects: the desired, immediate effect of inhibiting bacterial growth and the undesired, long-term effect of promoting the evolution of resistance. Although these contrasting outcomes seem inextricably linked, recent work has revealed several ways by which antibiotics can be combined to inhibit bacterial growth while, counterintuitively, selecting against resistant mutants. Decoupling treatment efficacy from the risk of resistance can be achieved by exploiting specific interactions between drugs, and the ways in which resistance mutations to a given drug can modulate these interactions or increase the sensitivity of the bacteria to other compounds. Although their practical application requires much further development and validation, and relies on advances in genomic diagnostics, these discoveries suggest novel paradigms that may restrict or even reverse the evolution of resistance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baym, Michael -- Stone, Laura K -- Kishony, Roy -- R01-GM081617/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):aad3292. doi: 10.1126/science.aad3292.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Systems Biology, Harvard Medical School, Boston, MA, USA. ; Department of Systems Biology, Harvard Medical School, Boston, MA, USA. Department of Biology and Department of Computer Science, Technion - Israel Institute of Technology, Haifa, Israel. rkishony@technion.ac.il.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26722002" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anti-Bacterial Agents/*pharmacology ; Bacteria/*drug effects/*genetics ; Drug Resistance, Bacterial/*genetics ; *Evolution, Molecular ; Humans ; Mutation ; Selection, Genetic
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  • 47
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hulme, Philip E -- Le Roux, Johannes J -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):422. doi: 10.1126/science.352.6284.422-b. Epub 2016 Apr 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Bio-Protection Research Centre, Lincoln University, Lincoln 7647, Canterbury, New Zealand. philip.hulme@lincoln.ac.nz. ; The Bio-Protection Research Centre, Lincoln University, Lincoln 7647, Canterbury, New Zealand. Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Matieland 7602, South Africa.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102471" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; Conservation of Natural Resources/*methods ; *Extinction, Biological ; Humans
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 48
    Publikationsdatum: 2016-02-06
    Beschreibung: SH3 and multiple ankyrin repeat domains 3 (SHANK3) haploinsufficiency is causative for the neurological features of Phelan-McDermid syndrome (PMDS), including a high risk of autism spectrum disorder (ASD). We used unbiased, quantitative proteomics to identify changes in the phosphoproteome of Shank3-deficient neurons. Down-regulation of protein kinase B (PKB/Akt)-mammalian target of rapamycin complex 1 (mTORC1) signaling resulted from enhanced phosphorylation and activation of serine/threonine protein phosphatase 2A (PP2A) regulatory subunit, B56beta, due to increased steady-state levels of its kinase, Cdc2-like kinase 2 (CLK2). Pharmacological and genetic activation of Akt or inhibition of CLK2 relieved synaptic deficits in Shank3-deficient and PMDS patient-derived neurons. CLK2 inhibition also restored normal sociability in a Shank3-deficient mouse model. Our study thereby provides a novel mechanistic and potentially therapeutic understanding of deregulated signaling downstream of Shank3 deficiency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bidinosti, Michael -- Botta, Paolo -- Kruttner, Sebastian -- Proenca, Catia C -- Stoehr, Natacha -- Bernhard, Mario -- Fruh, Isabelle -- Mueller, Matthias -- Bonenfant, Debora -- Voshol, Hans -- Carbone, Walter -- Neal, Sarah J -- McTighe, Stephanie M -- Roma, Guglielmo -- Dolmetsch, Ricardo E -- Porter, Jeffrey A -- Caroni, Pico -- Bouwmeester, Tewis -- Luthi, Andreas -- Galimberti, Ivan -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1199-203. doi: 10.1126/science.aad5487. Epub 2016 Feb 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Molecular Pathways, Novartis Institutes for Biomedical Research, Basel, Switzerland. ; Friedrich Miescher Institute, Basel, Switzerland. ; Analytical Sciences and Imaging, Novartis Institutes for Biomedical Research, Basel, Switzerland. ; Neuroscience, Novartis Institutes for Biomedical Research, Cambridge, USA. ; Developmental Molecular Pathways, Novartis Institutes for Biomedical Research, Basel, Switzerland. ivan.galimberti@novartis.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26847545" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Autism Spectrum Disorder/*drug therapy/enzymology/genetics ; Chromosome Deletion ; Chromosome Disorders/genetics ; Chromosomes, Human, Pair 22/genetics ; Disease Models, Animal ; Down-Regulation ; Gene Knockdown Techniques ; Humans ; Insulin-Like Growth Factor I/metabolism ; Mice ; Molecular Sequence Data ; Multiprotein Complexes/metabolism ; Nerve Tissue Proteins/*genetics ; Neurons/enzymology ; Phosphorylation ; Protein Phosphatase 2/metabolism ; Protein-Serine-Threonine Kinases/*antagonists & inhibitors/metabolism ; Protein-Tyrosine Kinases/*antagonists & inhibitors/metabolism ; Proteomics ; Proto-Oncogene Proteins c-akt/genetics/metabolism ; Rats ; Signal Transduction ; TOR Serine-Threonine Kinases/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 49
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blum, Arlene -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1117. doi: 10.1126/science.aaf5468. Epub 2016 Mar 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Arlene Blum is founder and executive director of the Green Science Policy Institute, Berkeley, CA. arlene@GreenSciencePolicy.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26965592" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Consumer Product Safety/*legislation & jurisprudence ; Health ; Household Products/*toxicity ; Humans ; Manufactured Materials/*toxicity ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 50
    Publikationsdatum: 2016-03-26
    Beschreibung: Induction of broadly neutralizing antibodies (bnAbs) is a major HIV vaccine goal. Germline-targeting immunogens aim to initiate bnAb induction by activating bnAb germline precursor B cells. Critical unmet challenges are to determine whether bnAb precursor naive B cells bind germline-targeting immunogens and occur at sufficient frequency in humans for reliable vaccine responses. Using deep mutational scanning and multitarget optimization, we developed a germline-targeting immunogen (eOD-GT8) for diverse VRC01-class bnAbs. We then used the immunogen to isolate VRC01-class precursor naive B cells from HIV-uninfected donors. Frequencies of true VRC01-class precursors, their structures, and their eOD-GT8 affinities support this immunogen as a candidate human vaccine prime. These methods could be applied to germline targeting for other classes of HIV bnAbs and for Abs to other pathogens.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4872700/" 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/PMC4872700/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jardine, Joseph G -- Kulp, Daniel W -- Havenar-Daughton, Colin -- Sarkar, Anita -- Briney, Bryan -- Sok, Devin -- Sesterhenn, Fabian -- Ereno-Orbea, June -- Kalyuzhniy, Oleksandr -- Deresa, Isaiah -- Hu, Xiaozhen -- Spencer, Skye -- Jones, Meaghan -- Georgeson, Erik -- Adachi, Yumiko -- Kubitz, Michael -- deCamp, Allan C -- Julien, Jean-Philippe -- Wilson, Ian A -- Burton, Dennis R -- Crotty, Shane -- Schief, William R -- P01 AI094419/AI/NIAID NIH HHS/ -- P01 AI110657/AI/NIAID NIH HHS/ -- P41GM103393/GM/NIGMS NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- UM1 AI100663/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1458-63. doi: 10.1126/science.aad9195.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, CA 92037, USA. ; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Program in Molecular Structure and Function, Hospital for Sick Children Research Institute, Toronto, Ontario M5G 0A4, Canada. ; Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Vaccine and Infectious Disease Division, Statistical Center for HIV/AIDS Research and Prevention (SCHARP), Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA. ; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA. Program in Molecular Structure and Function, Hospital for Sick Children Research Institute, Toronto, Ontario M5G 0A4, Canada. Departments of Biochemistry and Immunology, University of Toronto, Toronto, Ontario M5S 1A8, Canada. ; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA. Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA. ; Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02129, USA. ; Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, CA 92037, USA. Division of Infectious Diseases, Department of Medicine, University of California San Diego School of Medicine, La Jolla, CA, USA. schief@scripps.edu shane@lji.org. ; Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, CA 92037, USA. IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA. Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02129, USA. schief@scripps.edu shane@lji.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013733" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): AIDS Vaccines/*immunology ; Amino Acid Sequence ; Antibodies, Monoclonal/chemistry/*immunology/isolation & purification ; Antibodies, Neutralizing/chemistry/*immunology/isolation & purification ; Antibody Affinity ; B-Lymphocytes/immunology ; Cell Separation ; Combinatorial Chemistry Techniques ; Epitopes, B-Lymphocyte/chemistry/genetics/*immunology ; Germ Cells/*immunology ; HIV Antibodies/chemistry/*immunology/isolation & purification ; HIV-1/*immunology ; Humans ; Molecular Sequence Data ; Mutation ; Peptide Library ; Precursor Cells, B-Lymphoid/*immunology ; Protein Conformation
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  • 51
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):14. doi: 10.1126/science.351.6268.14.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721983" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Databases, Genetic/*economics ; Financial Support ; Human Genome Project/*economics ; Humans ; Models, Animal ; National Human Genome Research Institute (U.S.)/*economics ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 52
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richmond, Geraldine -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):427. doi: 10.1126/science.aaf2869. Epub 2016 Jan 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Geraldine Richmond is president of AAAS and Presidential Chair in Science and professor in the Department of Chemistry and Biochemistry at the University of Oregon, Eugene, OR. richmond@oregon.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823402" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Africa ; Asia ; *Food Supply ; Humans ; *Internationality ; United States ; *Water Supply
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 53
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2016 Apr 1;352(6281):20. doi: 10.1126/science.352.6281.20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27034352" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Awards and Prizes ; Biomedical Research/*economics ; *Financing, Government ; National Institute of General Medical Sciences (U.S.) ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 54
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- Couzin-Frankel, Jennifer -- New York, N.Y. -- Science. 2016 Jan 22;351(6271):325-6. doi: 10.1126/science.351.6271.325.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26797992" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/*organization & administration ; Federal Government ; Humans ; Neoplasms/*therapy ; Policy ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 55
    Publikationsdatum: 2016-01-09
    Beschreibung: The lung is constantly exposed to environmental atmospheric cues. How it senses and responds to these cues is poorly defined. Here, we show that Roundabout receptor (Robo) genes are expressed in pulmonary neuroendocrine cells (PNECs), a rare, innervated epithelial population. Robo inactivation in mouse lung results in an inability of PNECs to cluster into sensory organoids and triggers increased neuropeptide production upon exposure to air. Excess neuropeptides lead to an increase in immune infiltrates, which in turn remodel the matrix and irreversibly simplify the alveoli. We demonstrate in vivo that PNECs act as precise airway sensors that elicit immune responses via neuropeptides. These findings suggest that the PNEC and neuropeptide abnormalities documented in a wide array of pulmonary diseases may profoundly affect symptoms and progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Branchfield, Kelsey -- Nantie, Leah -- Verheyden, Jamie M -- Sui, Pengfei -- Wienhold, Mark D -- Sun, Xin -- 5T32AI007635/AI/NIAID NIH HHS/ -- HL097134/HL/NHLBI NIH HHS/ -- HL122406/HL/NHLBI NIH HHS/ -- R01 HL113870/HL/NHLBI NIH HHS/ -- T32 GM007133/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):707-10. doi: 10.1126/science.aad7969. Epub 2016 Jan 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Genetics, Department of Medical Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA. ; Department of Pediatrics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53706, USA. ; Laboratory of Genetics, Department of Medical Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA. xsun@wisc.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26743624" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Clodronic Acid/pharmacology ; Lung/cytology/*immunology ; Lung Diseases/genetics/immunology ; Macrophages/drug effects/immunology ; Mice ; Mice, Mutant Strains ; Mutation ; Nerve Tissue Proteins/genetics/*physiology ; Neuroendocrine Cells/*immunology/metabolism ; Neuropeptides/*biosynthesis ; Receptors, Immunologic/genetics/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 56
    facet.materialart.
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, Leslie -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):403. doi: 10.1126/science.352.6284.403. Epub 2016 Apr 21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102460" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antimalarials/pharmacology/*therapeutic use ; Artemisinins/pharmacology/*therapeutic use ; Drug Resistance/*genetics ; Humans ; Malaria, Falciparum/*drug therapy/epidemiology/*parasitology ; Mutation ; Myanmar/epidemiology ; Plasmodium falciparum/*drug effects/genetics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 57
    Publikationsdatum: 2016-01-30
    Beschreibung: The "cancerized field" concept posits that cancer-prone cells in a given tissue share an oncogenic mutation, but only discreet clones within the field initiate tumors. Most benign nevi carry oncogenic BRAF(V600E) mutations but rarely become melanoma. The zebrafish crestin gene is expressed embryonically in neural crest progenitors (NCPs) and specifically reexpressed in melanoma. Live imaging of transgenic zebrafish crestin reporters shows that within a cancerized field (BRAF(V600E)-mutant; p53-deficient), a single melanocyte reactivates the NCP state, revealing a fate change at melanoma initiation in this model. NCP transcription factors, including sox10, regulate crestin expression. Forced sox10 overexpression in melanocytes accelerated melanoma formation, which is consistent with activation of NCP genes and super-enhancers leading to melanoma. Our work highlights NCP state reemergence as a key event in melanoma initiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaufman, Charles K -- Mosimann, Christian -- Fan, Zi Peng -- Yang, Song -- Thomas, Andrew J -- Ablain, Julien -- Tan, Justin L -- Fogley, Rachel D -- van Rooijen, Ellen -- Hagedorn, Elliott J -- Ciarlo, Christie -- White, Richard M -- Matos, Dominick A -- Puller, Ann-Christin -- Santoriello, Cristina -- Liao, Eric C -- Young, Richard A -- Zon, Leonard I -- HG002668/HG/NHGRI NIH HHS/ -- K08 AR061071/AR/NIAMS NIH HHS/ -- R01 CA103846/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):aad2197. doi: 10.1126/science.aad2197. Epub 2016 Jan 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA 02115, USA. Harvard Stem Cell Institute, Boston, MA 02115, USA. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Harvard Medical School, Boston, MA 02115, USA. ; Institute of Molecular Life Sciences, University of Zurich, 8057 Zurich, Switzerland. ; Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, MA 02142, USA. Computational and Systems Biology Program, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA 02115, USA. Harvard Stem Cell Institute, Boston, MA 02115, USA. ; Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA 02115, USA. ; Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA 02115, USA. Harvard Stem Cell Institute, Boston, MA 02115, USA. Harvard Medical School, Boston, MA 02115, USA. ; Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA 02115, USA. Harvard Medical School, Boston, MA 02115, USA. ; Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, New York, NY 10075, USA. ; Massachusetts General Hospital Cancer Center, Harvard Medical School, Charlestown, MA 02129, USA. ; Research Institute Children's Cancer Center Hamburg and Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany. ; Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA 02115, USA. Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA. ; Harvard Stem Cell Institute, Boston, MA 02115, USA. Harvard Medical School, Boston, MA 02115, USA. Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA. ; Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, MA 02142, USA. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Stem Cell Program and Division of Hematology/Oncology, Children's Hospital Boston, Howard Hughes Medical Institute, Boston, MA 02115, USA. Harvard Stem Cell Institute, Boston, MA 02115, USA. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Harvard Medical School, Boston, MA 02115, USA. Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA. zon@enders.tch.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823433" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Animals, Genetically Modified ; Carcinogenesis/*genetics ; Embryonic Stem Cells/metabolism ; Enhancer Elements, Genetic ; *Gene Expression Regulation, Developmental ; *Gene Expression Regulation, Neoplastic ; Genes, Reporter ; Green Fluorescent Proteins/genetics ; Melanocytes/metabolism ; Melanoma/*genetics ; Melanoma, Experimental/*genetics ; Mutation ; Nerve Tissue Proteins/genetics ; Neural Crest/*metabolism ; Proto-Oncogene Proteins B-raf/genetics ; SOXE Transcription Factors/genetics ; Skin Neoplasms/*genetics ; Tumor Suppressor Protein p53/genetics ; *Zebrafish ; Zebrafish Proteins/genetics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 58
    Publikationsdatum: 2016-04-23
    Beschreibung: The microtubule (MT) cytoskeleton can transmit mechanical signals and resist compression in contracting cardiomyocytes. How MTs perform these roles remains unclear because of difficulties in observing MTs during the rapid contractile cycle. Here, we used high spatial and temporal resolution imaging to characterize MT behavior in beating mouse myocytes. MTs deformed under contractile load into sinusoidal buckles, a behavior dependent on posttranslational "detyrosination" of alpha-tubulin. Detyrosinated MTs associated with desmin at force-generating sarcomeres. When detyrosination was reduced, MTs uncoupled from sarcomeres and buckled less during contraction, which allowed sarcomeres to shorten and stretch with less resistance. Conversely, increased detyrosination promoted MT buckling, stiffened the myocyte, and correlated with impaired function in cardiomyopathy. Thus, detyrosinated MTs represent tunable, compression-resistant elements that may impair cardiac function in disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robison, Patrick -- Caporizzo, Matthew A -- Ahmadzadeh, Hossein -- Bogush, Alexey I -- Chen, Christina Yingxian -- Margulies, Kenneth B -- Shenoy, Vivek B -- Prosser, Benjamin L -- HL089847/HL/NHLBI NIH HHS/ -- HL105993/HL/NHLBI NIH HHS/ -- R00-HL114879/HL/NHLBI NIH HHS/ -- R01EB017753/EB/NIBIB NIH HHS/ -- T32AR053461-09/AR/NIAMS NIH HHS/ -- T32HL007954/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):aaf0659. doi: 10.1126/science.aaf0659.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, Pennsylvania Muscle Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA. ; Department of Materials Science and Engineering, University of Pennsylvania School of Engineering and Applied Science, Philadelphia, PA 19104, USA. ; Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA. ; Department of Physiology, Pennsylvania Muscle Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA. bpros@mail.med.upenn.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102488" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Desmin/metabolism ; Elasticity ; Heart Failure/metabolism/physiopathology ; Humans ; Male ; Mice ; Microtubules/*metabolism ; Models, Biological ; *Myocardial Contraction ; Myocytes, Cardiac/metabolism/*physiology ; Peptide Synthases/genetics/metabolism ; *Protein Processing, Post-Translational ; RNA, Small Interfering/genetics ; Rats ; Rats, Sprague-Dawley ; Sarcomeres/metabolism ; Tubulin/*metabolism ; Tyrosine/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 59
    Publikationsdatum: 2016-02-26
    Beschreibung: Davison et al. (Reports, 28 August 2015, p. 970) claim that virtual taxa of Glomeromycota show little endemism and that endemism that exists is similar to the levels seen in plant families. We show that this is likely due to the conservative species definition rather than to any ecological pattern.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bruns, Thomas D -- Taylor, John W -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):826. doi: 10.1126/science.aad4228.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant and Microbial Biology, 111 Koshland Hall, Berkeley, CA 94720-3102, USA. pogon@berkeley.edu. ; Department of Plant and Microbial Biology, 111 Koshland Hall, Berkeley, CA 94720-3102, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912889" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Ecosystem ; Humans ; *Mycorrhizae ; Plant Roots/*microbiology ; *Symbiosis
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 60
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roman, Joe -- Kraska, James -- New York, N.Y. -- Science. 2016 Mar 18;351(6279):1258-60. doi: 10.1126/science.aad4247.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gund Institute for Ecological Economics, University of Vermont, Burlington, VT 05405, USA. jroman@uvm.edu. ; Stockton Center for the Study of International Law, U.S. Naval War College, Newport, RI 02841, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26989232" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Bays ; *Conservation of Natural Resources ; Cuba ; Diplomacy ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 61
    Publikationsdatum: 2016-03-12
    Beschreibung: Type IVa pili are filamentous cell surface structures observed in many bacteria. They pull cells forward by extending, adhering to surfaces, and then retracting. We used cryo-electron tomography of intact Myxococcus xanthus cells to visualize type IVa pili and the protein machine that assembles and retracts them (the type IVa pilus machine, or T4PM) in situ, in both the piliated and nonpiliated states, at a resolution of 3 to 4 nanometers. We found that T4PM comprises an outer membrane pore, four interconnected ring structures in the periplasm and cytoplasm, a cytoplasmic disc and dome, and a periplasmic stem. By systematically imaging mutants lacking defined T4PM proteins or with individual proteins fused to tags, we mapped the locations of all 10 T4PM core components and the minor pilins, thereby providing insights into pilus assembly, structure, and function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, Yi-Wei -- Rettberg, Lee A -- Treuner-Lange, Anke -- Iwasa, Janet -- Sogaard-Andersen, Lotte -- Jensen, Grant J -- R01 GM094800B/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):aad2001. doi: 10.1126/science.aad2001. Epub 2016 Mar 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉California Institute of Technology, Pasadena, CA 91125, USA. Howard Hughes Medical Institute, Pasadena, CA 91125, USA. ; Howard Hughes Medical Institute, Pasadena, CA 91125, USA. ; Max Planck Institute for Terrestrial Microbiology, 35043 Marburg, Germany. ; University of Utah, Salt Lake City, UT 84112, USA. ; California Institute of Technology, Pasadena, CA 91125, USA. Howard Hughes Medical Institute, Pasadena, CA 91125, USA. jensen@caltech.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26965631" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacterial Adhesion ; Cryoelectron Microscopy ; Fimbriae, Bacterial/genetics/*ultrastructure ; Microscopy, Electron, Transmission ; Models, Molecular ; Mutation ; Myxococcus xanthus/genetics/physiology/*ultrastructure
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  • 62
    Publikationsdatum: 2016-04-16
    Beschreibung: Nuclear pore complexes (NPCs) are 110-megadalton assemblies that mediate nucleocytoplasmic transport. NPCs are built from multiple copies of ~30 different nucleoporins, and understanding how these nucleoporins assemble into the NPC scaffold imposes a formidable challenge. Recently, it has been shown how the Y complex, a prominent NPC module, forms the outer rings of the nuclear pore. However, the organization of the inner ring has remained unknown until now. We used molecular modeling combined with cross-linking mass spectrometry and cryo-electron tomography to obtain a composite structure of the inner ring. This architectural map explains the vast majority of the electron density of the scaffold. We conclude that despite obvious differences in morphology and composition, the higher-order structure of the inner and outer rings is unexpectedly similar.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kosinski, Jan -- Mosalaganti, Shyamal -- von Appen, Alexander -- Teimer, Roman -- DiGuilio, Amanda L -- Wan, William -- Bui, Khanh Huy -- Hagen, Wim J H -- Briggs, John A G -- Glavy, Joseph S -- Hurt, Ed -- Beck, Martin -- 1R21AG047433-01/AG/NIA NIH HHS/ -- R21 AG047433/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):363-5. doi: 10.1126/science.aaf0643.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany. ; Biochemistry Center of Heidelberg University, Im Neuenheimer Feld 328, D-69120 Heidelberg, Germany. ; Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, 507 River Street, Hoboken, NJ 07030, USA. ; Department of Anatomy and Cell Biology, McGill University, Montreal, Quebec, Canada. ; Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany. Cell Biology and Biophysics Unit, EMBL, Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081072" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Active Transport, Cell Nucleus ; Cryoelectron Microscopy ; Electron Microscope Tomography ; HeLa Cells ; Humans ; Mass Spectrometry ; Models, Molecular ; Nuclear Matrix/metabolism/ultrastructure ; Nuclear Pore/*metabolism/*ultrastructure ; Nuclear Pore Complex Proteins/chemistry/genetics/*metabolism
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  • 63
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sarrazin, Francois -- Lecomte, Jane -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):422-3. doi: 10.1126/science.352.6284.422-c. Epub 2016 Apr 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sorbonne Universites, UPMC Univ. Paris 06, Museum National d'Histoire Naturelle, CNRS, CESCO, UMR 7204, 75005 Paris, France. sarrazin@mnhn.fr. ; Ecologie Systematique Evolution, Univ. Paris-Sud, CNRS, AgroParisTech, Universite Paris-Saclay, 91400 Orsay, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102472" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; Conservation of Natural Resources/*methods ; *Extinction, Biological ; Humans
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 64
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-02-18
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huete, Alfredo -- England -- Nature. 2016 Mar 10;531(7593):181-2. doi: 10.1038/nature17301. Epub 2016 Feb 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Ultimo, New South Wales 2007, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26886792" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Acclimatization ; *Climate Change ; *Ecosystem ; *Geographic Mapping ; *Plant Physiological Phenomena
    Print ISSN: 0028-0836
    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 65
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    Unbekannt
    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-04-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Caron, David A -- England -- Nature. 2016 Apr 28;532(7600):444-5. doi: 10.1038/nature17892. Epub 2016 Apr 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of Southern California, Los Angeles, California 90089-0371, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27096370" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aquatic Organisms/*metabolism ; *Biomass ; *Biota ; Carbon/*metabolism ; *Ecosystem ; *Oceans and Seas ; Plankton/*metabolism ; Rhizaria/*isolation & purification ; Seawater/*chemistry ; Zooplankton/*isolation & purification
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 66
    Publikationsdatum: 2016-01-19
    Beschreibung: Many procedures in modern clinical medicine rely on the use of electronic implants in treating conditions that range from acute coronary events to traumatic injury. However, standard permanent electronic hardware acts as a nidus for infection: bacteria form biofilms along percutaneous wires, or seed haematogenously, with the potential to migrate within the body and to provoke immune-mediated pathological tissue reactions. The associated surgical retrieval procedures, meanwhile, subject patients to the distress associated with re-operation and expose them to additional complications. Here, we report materials, device architectures, integration strategies, and in vivo demonstrations in rats of implantable, multifunctional silicon sensors for the brain, for which all of the constituent materials naturally resorb via hydrolysis and/or metabolic action, eliminating the need for extraction. Continuous monitoring of intracranial pressure and temperature illustrates functionality essential to the treatment of traumatic brain injury; the measurement performance of our resorbable devices compares favourably with that of non-resorbable clinical standards. In our experiments, insulated percutaneous wires connect to an externally mounted, miniaturized wireless potentiostat for data transmission. In a separate set-up, we connect a sensor to an implanted (but only partially resorbable) data-communication system, proving the principle that there is no need for any percutaneous wiring. The devices can be adapted to sense fluid flow, motion, pH or thermal characteristics, in formats that are compatible with the body's abdomen and extremities, as well as the deep brain, suggesting that the sensors might meet many needs in clinical medicine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kang, Seung-Kyun -- Murphy, Rory K J -- Hwang, Suk-Won -- Lee, Seung Min -- Harburg, Daniel V -- Krueger, Neil A -- Shin, Jiho -- Gamble, Paul -- Cheng, Huanyu -- Yu, Sooyoun -- Liu, Zhuangjian -- McCall, Jordan G -- Stephen, Manu -- Ying, Hanze -- Kim, Jeonghyun -- Park, Gayoung -- Webb, R Chad -- Lee, Chi Hwan -- Chung, Sangjin -- Wie, Dae Seung -- Gujar, Amit D -- Vemulapalli, Bharat -- Kim, Albert H -- Lee, Kyung-Mi -- Cheng, Jianjun -- Huang, Younggang -- Lee, Sang Hoon -- Braun, Paul V -- Ray, Wilson Z -- Rogers, John A -- F31MH101956/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Feb 4;530(7588):71-6. doi: 10.1038/nature16492. Epub 2016 Jan 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA. ; Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA. ; Department of Neurological Surgery, Washington University School of Medicine, St Louis, Missouri 63110, USA. ; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 136-701, Republic of Korea. ; Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA. ; Department of Engineering Science and Mechanics, Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA. ; Institute of High Performance Computing, Singapore 138632, Singapore. ; Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA. ; Department of Biomicrosystem Technology, Korea University, Seoul 136-701, South Korea. ; Department of Biochemistry and Molecular Biology, Korea University College of Medicine, Seoul 136-713, South Korea. ; Weldon School of Biomedical Engineering, School of Mechanical Engineering, The Center for Implantable Devices, Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA. ; School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, USA. ; Department of Mechanical Engineering, Civil and Environmental Engineering, Materials Science and Engineering, and Skin Disease Research Center, Northwestern University, Evanston, Illinois 60208, USA. ; Department of Biomedical Engineering, College of Health Science, Korea University, Seoul 136-703, South Korea. ; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26779949" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Absorbable Implants/adverse effects ; Administration, Cutaneous ; Animals ; Body Temperature ; Brain/*metabolism/surgery ; Electronics/*instrumentation ; Equipment Design ; Hydrolysis ; Male ; Monitoring, Physiologic/adverse effects/*instrumentation ; Organ Specificity ; Pressure ; *Prostheses and Implants/adverse effects ; Rats ; Rats, Inbred Lew ; *Silicon ; Telemetry/instrumentation ; Wireless Technology/instrumentation
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 67
    Publikationsdatum: 2016-02-24
    Beschreibung: Eukaryotic cells restrict protein synthesis under various stress conditions, by inhibiting the eukaryotic translation initiation factor 2B (eIF2B). eIF2B is the guanine nucleotide exchange factor for eIF2, a heterotrimeric G protein consisting of alpha-, beta- and gamma-subunits. eIF2B exchanges GDP for GTP on the gamma-subunit of eIF2 (eIF2gamma), and is inhibited by stress-induced phosphorylation of eIF2alpha. eIF2B is a heterodecameric complex of two copies each of the alpha-, beta-, gamma-, delta- and epsilon-subunits; its alpha-, beta- and delta-subunits constitute the regulatory subcomplex, while the gamma- and epsilon-subunits form the catalytic subcomplex. The three-dimensional structure of the entire eIF2B complex has not been determined. Here we present the crystal structure of Schizosaccharomyces pombe eIF2B with an unprecedented subunit arrangement, in which the alpha2beta2delta2 hexameric regulatory subcomplex binds two gammaepsilon dimeric catalytic subcomplexes on its opposite sides. A structure-based in vitro analysis by a surface-scanning site-directed photo-cross-linking method identified the eIF2alpha-binding and eIF2gamma-binding interfaces, located far apart on the regulatory and catalytic subcomplexes, respectively. The eIF2gamma-binding interface is located close to the conserved 'NF motif', which is important for nucleotide exchange. A structural model was constructed for the complex of eIF2B with phosphorylated eIF2alpha, which binds to eIF2B more strongly than the unphosphorylated form. These results indicate that the eIF2alpha phosphorylation generates the 'nonproductive' eIF2-eIF2B complex, which prevents nucleotide exchange on eIF2gamma, and thus provide a structural framework for the eIF2B-mediated mechanism of stress-induced translational control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kashiwagi, Kazuhiro -- Takahashi, Mari -- Nishimoto, Madoka -- Hiyama, Takuya B -- Higo, Toshiaki -- Umehara, Takashi -- Sakamoto, Kensaku -- Ito, Takuhiro -- Yokoyama, Shigeyuki -- England -- Nature. 2016 Mar 3;531(7592):122-5. doi: 10.1038/nature16991. Epub 2016 Feb 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan. ; RIKEN Systems and Structural Biology Center, Tsurumi-ku, Yokohama 230-0045, Japan. ; RIKEN Center for Life Science Technologies, Tsurumi-ku, Yokohama 230-0045, Japan. ; RIKEN Structural Biology Laboratory, Tsurumi-ku, Yokohama 230-0045, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26901872" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Motifs ; Binding Sites ; Biocatalysis ; Cross-Linking Reagents/chemistry ; Crystallography, X-Ray ; Eukaryotic Initiation Factor-2B/*chemistry/metabolism ; Guanosine Diphosphate/metabolism ; Guanosine Triphosphate/metabolism ; Models, Molecular ; Phosphorylation ; Protein Binding ; Protein Biosynthesis ; Protein Structure, Quaternary ; Protein Subunits/chemistry/metabolism ; Schizosaccharomyces/*chemistry
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 68
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-04-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Check Hayden, Erika -- England -- Nature. 2016 Apr 28;532(7600):424-5. doi: 10.1038/532424a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27121817" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/*economics/legislation & jurisprudence/*trends ; *Federal Government ; Financing, Government/economics/legislation & jurisprudence ; Humans ; Immunotherapy/economics ; Information Dissemination ; Leadership ; Neoplasms/economics/genetics/immunology/*therapy ; *Private Sector/economics ; *Public-Private Sector Partnerships/economics ; United States
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 69
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-05-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Jihong -- Liu, Xiang -- England -- Nature. 2016 May 18;533(7603):321. doi: 10.1038/533321d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Shanghai Maritime University, China. ; Rutgers University, Piscataway, New Jersey, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27193671" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Dissent and Disputes ; *Ecosystem ; *Environmental Monitoring ; *Models, Economic ; *Transportation
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 70
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-03-18
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pollock, Kevin -- England -- Nature. 2016 Mar 17;531(7594):S64-6. doi: 10.1038/531S64a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26981733" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Cities ; *City Planning ; Feedback ; Humans ; *Physics ; Plague/epidemiology ; Rats ; *Urbanization ; Vietnam/epidemiology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 71
    Publikationsdatum: 2016-01-07
    Beschreibung: Catalysis in biology is restricted to RNA (ribozymes) and protein enzymes, but synthetic biomolecular catalysts can also be made of DNA (deoxyribozymes) or synthetic genetic polymers. In vitro selection from synthetic random DNA libraries identified DNA catalysts for various chemical reactions beyond RNA backbone cleavage. DNA-catalysed reactions include RNA and DNA ligation in various topologies, hydrolytic cleavage and photorepair of DNA, as well as reactions of peptides and small molecules. In spite of comprehensive biochemical studies of DNA catalysts for two decades, fundamental mechanistic understanding of their function is lacking in the absence of three-dimensional models at atomic resolution. Early attempts to solve the crystal structure of an RNA-cleaving deoxyribozyme resulted in a catalytically irrelevant nucleic acid fold. Here we report the crystal structure of the RNA-ligating deoxyribozyme 9DB1 (ref. 14) at 2.8 A resolution. The structure captures the ligation reaction in the post-catalytic state, revealing a compact folding unit stabilized by numerous tertiary interactions, and an unanticipated organization of the catalytic centre. Structure-guided mutagenesis provided insights into the basis for regioselectivity of the ligation reaction and allowed remarkable manipulation of substrate recognition and reaction rate. Moreover, the structure highlights how the specific properties of deoxyribose are reflected in the backbone conformation of the DNA catalyst, in support of its intricate three-dimensional organization. The structural principles underlying the catalytic ability of DNA elucidate differences and similarities in DNA versus RNA catalysts, which is relevant for comprehending the privileged position of folded RNA in the prebiotic world and in current organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ponce-Salvatierra, Almudena -- Wawrzyniak-Turek, Katarzyna -- Steuerwald, Ulrich -- Hobartner, Claudia -- Pena, Vladimir -- England -- Nature. 2016 Jan 14;529(7585):231-4. doi: 10.1038/nature16471. Epub 2016 Jan 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Research Group Nucleic Acid Chemistry, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Gottingen, Germany. ; Research Group Macromolecular Crystallography, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Gottingen, Germany. ; Institute for Organic and Biomolecular Chemistry, Georg-August-University Gottingen, Tammannstr. 2, 37077 Gottingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26735012" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Base Sequence ; Biocatalysis ; Catalytic Domain ; Crystallography, X-Ray ; DNA, Catalytic/chemical synthesis/*chemistry/metabolism ; Deoxyribose/chemistry/metabolism ; Kinetics ; Models, Molecular ; Molecular Sequence Data ; *Nucleic Acid Conformation ; Nucleotides/chemistry/metabolism ; Polynucleotide Ligases/chemistry/metabolism ; RNA/chemistry/metabolism ; RNA Folding ; Substrate Specificity
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  • 72
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-01-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cheng, Frank -- England -- Nature. 2016 Jan 14;529(7585):156. doi: 10.1038/529156e.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Calgary, Alberta, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26762447" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Chemical Hazard Release/*prevention & control ; Equipment Safety ; *Materials Testing ; Oil and Gas Industry/*instrumentation/methods ; United States
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 73
    Publikationsdatum: 2016-03-05
    Beschreibung: How does an animal know where it is when it stops moving? Hippocampal place cells fire at discrete locations as subjects traverse space, thereby providing an explicit neural code for current location during locomotion. In contrast, during awake immobility, the hippocampus is thought to be dominated by neural firing representing past and possible future experience. The question of whether and how the hippocampus constructs a representation of current location in the absence of locomotion has been unresolved. Here we report that a distinct population of hippocampal neurons, located in the CA2 subregion, signals current location during immobility, and does so in association with a previously unidentified hippocampus-wide network pattern. In addition, signalling of location persists into brief periods of desynchronization prevalent in slow-wave sleep. The hippocampus thus generates a distinct representation of current location during immobility, pointing to mnemonic processing specific to experience occurring in the absence of locomotion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kay, Kenneth -- Sosa, Marielena -- Chung, Jason E -- Karlsson, Mattias P -- Larkin, Margaret C -- Frank, Loren M -- R01 MH090188/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Mar 10;531(7593):185-90. doi: 10.1038/nature17144. Epub 2016 Mar 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UCSF Center for Integrative Neuroscience and Department of Physiology, University of California San Francisco, California 94158, USA. ; Howard Hughes Medical Institute, University of California San Francisco, California 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934224" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Action Potentials ; Animals ; Hippocampus/anatomy & histology/*cytology/*physiology ; Male ; Models, Neurological ; Movement ; Neurons/*physiology ; Orientation/*physiology ; Rats ; Rats, Long-Evans ; Sleep/*physiology ; Space Perception/*physiology ; Spatial Memory/physiology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 74
    Publikationsdatum: 2016-01-21
    Beschreibung: RNA polymerase (Pol) II produces messenger RNA during transcription of protein-coding genes in all eukaryotic cells. The Pol II structure is known at high resolution from X-ray crystallography for two yeast species. Structural studies of mammalian Pol II, however, remain limited to low-resolution electron microscopy analysis of human Pol II and its complexes with various proteins. Here we report the 3.4 A resolution cryo-electron microscopy structure of mammalian Pol II in the form of a transcribing complex comprising DNA template and RNA transcript. We use bovine Pol II, which is identical to the human enzyme except for seven amino-acid residues. The obtained atomic model closely resembles its yeast counterpart, but also reveals unknown features. Binding of nucleic acids to the polymerase involves 'induced fit' of the mobile Pol II clamp and active centre region. DNA downstream of the transcription bubble contacts a conserved 'TPSA motif' in the jaw domain of the Pol II subunit RPB5, an interaction that is apparently already established during transcription initiation. Upstream DNA emanates from the active centre cleft at an angle of approximately 105 degrees with respect to downstream DNA. This position of upstream DNA allows for binding of the general transcription elongation factor DSIF (SPT4-SPT5) that we localize over the active centre cleft in a conserved position on the clamp domain of Pol II. Our results define the structure of mammalian Pol II in its functional state, indicate that previous crystallographic analysis of yeast Pol II is relevant for understanding gene transcription in all eukaryotes, and provide a starting point for a mechanistic analysis of human transcription.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernecky, Carrie -- Herzog, Franz -- Baumeister, Wolfgang -- Plitzko, Jurgen M -- Cramer, Patrick -- England -- Nature. 2016 Jan 28;529(7587):551-4. doi: 10.1038/nature16482. Epub 2016 Jan 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max Planck Institute for Biophysical Chemistry, Department of Molecular Biology, Am Fassberg 11, 37077 Gottingen, Germany. ; Gene Center Munich, Ludwig-Maximilians-Universitat Munchen, Feodor-Lynen-Strasse 25, 81377 Munich, Germany. ; Max Planck Institute for Biochemistry, Department of Molecular Structural Biology, Am Klopferspitz 18, 82152 Martinsried, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26789250" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Allosteric Regulation ; Amino Acid Motifs ; Animals ; Catalytic Domain ; Cattle ; *Cryoelectron Microscopy ; DNA/genetics/metabolism/ultrastructure ; Humans ; Models, Molecular ; Nucleic Acids/chemistry/metabolism ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; RNA Polymerase II/chemistry/*metabolism/*ultrastructure ; RNA, Messenger/biosynthesis/genetics/ultrastructure ; Saccharomyces cerevisiae/enzymology ; Templates, Genetic ; *Transcription Elongation, Genetic
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 75
    Publikationsdatum: 2016-03-11
    Beschreibung: The terrestrial biosphere can release or absorb the greenhouse gases, carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O), and therefore has an important role in regulating atmospheric composition and climate. Anthropogenic activities such as land-use change, agriculture and waste management have altered terrestrial biogenic greenhouse gas fluxes, and the resulting increases in methane and nitrous oxide emissions in particular can contribute to climate change. The terrestrial biogenic fluxes of individual greenhouse gases have been studied extensively, but the net biogenic greenhouse gas balance resulting from anthropogenic activities and its effect on the climate system remains uncertain. Here we use bottom-up (inventory, statistical extrapolation of local flux measurements, and process-based modelling) and top-down (atmospheric inversions) approaches to quantify the global net biogenic greenhouse gas balance between 1981 and 2010 resulting from anthropogenic activities and its effect on the climate system. We find that the cumulative warming capacity of concurrent biogenic methane and nitrous oxide emissions is a factor of about two larger than the cooling effect resulting from the global land carbon dioxide uptake from 2001 to 2010. This results in a net positive cumulative impact of the three greenhouse gases on the planetary energy budget, with a best estimate (in petagrams of CO2 equivalent per year) of 3.9 +/- 3.8 (top down) and 5.4 +/- 4.8 (bottom up) based on the GWP100 metric (global warming potential on a 100-year time horizon). Our findings suggest that a reduction in agricultural methane and nitrous oxide emissions, particularly in Southern Asia, may help mitigate climate change.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tian, Hanqin -- Lu, Chaoqun -- Ciais, Philippe -- Michalak, Anna M -- Canadell, Josep G -- Saikawa, Eri -- Huntzinger, Deborah N -- Gurney, Kevin R -- Sitch, Stephen -- Zhang, Bowen -- Yang, Jia -- Bousquet, Philippe -- Bruhwiler, Lori -- Chen, Guangsheng -- Dlugokencky, Edward -- Friedlingstein, Pierre -- Melillo, Jerry -- Pan, Shufen -- Poulter, Benjamin -- Prinn, Ronald -- Saunois, Marielle -- Schwalm, Christopher R -- Wofsy, Steven C -- England -- Nature. 2016 Mar 10;531(7593):225-8. doi: 10.1038/nature16946.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Center for Climate and Global Change Research, School of Forestry and Wildlife Sciences, Auburn University, Auburn, Alabama 36849, USA. ; Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Iowa 50011, USA. ; Laboratoire des Sciences du Climat et de l'Environnement, 91191 Gif sur Yvette, France. ; Department of Global Ecology, Carnegie Institution for Science, Stanford, California 94305, USA. ; Global Carbon Project, CSIRO Oceans and Atmosphere Research, GPO Box 3023, Canberra, Australian Capital Territory 2601, Australia. ; Department of Environmental Sciences, Emory University, Atlanta, Georgia 30322, USA. ; School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, Arizona 86011, USA. ; School of Life Sciences, Arizona State University, Tempe, Arizona 85287, USA. ; College of Life and Environmental Sciences, University of Exeter, Exeter EX4 4RJ, UK. ; NOAA Earth System Research Laboratory, Global Monitoring Division, Boulder, Colorado 80305, USA. ; Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA. ; College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK. ; The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA. ; Institute of Ecosystems and Department of Ecology, Montana State University, Bozeman, Montana 59717, USA. ; Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. ; Woods Hole Research Center, Falmouth, Massachusetts 02540, USA. ; Department of Earth and Planetary Science, Harvard University, 29 Oxford Street, Cambridge, Massachusetts 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26961656" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agriculture/statistics & numerical data ; Asia ; Atmosphere/*chemistry ; Carbon Dioxide/analysis/*metabolism ; *Ecosystem ; Global Warming/prevention & control/*statistics & numerical data ; Greenhouse Effect/prevention & control/*statistics & numerical data ; Human Activities/statistics & numerical data ; Methane/analysis/*metabolism ; Nitrous Oxide/analysis/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 76
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-03-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGilvray, Annabel -- England -- Nature. 2016 Mar 3;531(7592):S4-5. doi: 10.1038/531S4a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934524" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acetates/pharmacology/therapeutic use ; Aging/blood/drug effects/pathology/*psychology ; Alzheimer Disease/blood/therapy ; Animals ; Anti-Asthmatic Agents/pharmacology/therapeutic use ; Cognition Disorders/pathology/physiopathology/*prevention & control/*therapy ; Estrogens/pharmacology ; Female ; Hippocampus/drug effects/pathology/physiology/physiopathology ; Humans ; Inflammation Mediators/immunology ; Leukotrienes/immunology ; Macaca mulatta ; Male ; Mice ; Neuronal Plasticity/drug effects ; Parkinson Disease/therapy ; Plasma/chemistry/physiology ; Prefrontal Cortex/drug effects/pathology/physiology/physiopathology ; Quinolines/pharmacology/therapeutic use ; Rats ; Rejuvenation/*physiology/*psychology ; Synapses/drug effects/metabolism/pathology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 77
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-05-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mehrabi, Zia -- England -- Nature. 2016 May 25;533(7604):469. doi: 10.1038/533469c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of British Columbia, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27225111" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Conservation of Natural Resources/*methods ; *Ecosystem ; *Wilderness
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 78
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-04-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Melott, Adrian L -- England -- Nature. 2016 Apr 7;532(7597):40-1. doi: 10.1038/532040a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27078562" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; Climate Change/history ; *Earth (Planet) ; Extinction, Biological ; Geologic Sediments/chemistry ; History, Ancient ; Humans ; Iron Radioisotopes/*analysis/chemistry ; Stars, Celestial/*chemistry ; Time Factors
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 79
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-01-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2016 Jan 28;529(7587):437-8. doi: 10.1038/529437b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26819007" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; China ; Cities ; Congo ; Conservation of Natural Resources/*legislation & jurisprudence ; Ecosystem ; Great Britain ; *Parks, Recreational/legislation & jurisprudence ; Pleasure ; Uganda ; United States ; *Wilderness
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 80
    Publikationsdatum: 2016-02-24
    Beschreibung: All Gram-negative bacteria, mitochondria and chloroplasts have outer membrane proteins (OMPs) that perform many fundamental biological processes. The OMPs in Gram-negative bacteria are inserted and folded into the outer membrane by the beta-barrel assembly machinery (BAM). The mechanism involved is poorly understood, owing to the absence of a structure of the entire BAM complex. Here we report two crystal structures of the Escherichia coli BAM complex in two distinct states: an inward-open state and a lateral-open state. Our structures reveal that the five polypeptide transport-associated domains of BamA form a ring architecture with four associated lipoproteins, BamB-BamE, in the periplasm. Our structural, functional studies and molecular dynamics simulations indicate that these subunits rotate with respect to the integral membrane beta-barrel of BamA to induce movement of the beta-strands of the barrel and promote insertion of the nascent OMP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gu, Yinghong -- Li, Huanyu -- Dong, Haohao -- Zeng, Yi -- Zhang, Zhengyu -- Paterson, Neil G -- Stansfeld, Phillip J -- Wang, Zhongshan -- Zhang, Yizheng -- Wang, Wenjian -- Dong, Changjiang -- G1100110/1/Medical Research Council/United Kingdom -- WT106121MA/Wellcome Trust/United Kingdom -- England -- Nature. 2016 Mar 3;531(7592):64-9. doi: 10.1038/nature17199. Epub 2016 Feb 22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biomedical Research Centre, Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK. ; Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK. ; Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK. ; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical College, Xuzhou 221004, China. ; Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, Sichuan Key Laboratory of Molecular Biology and Biotechnology, College of Life Sciences, Sichuan University, Chengdu 610064, China. ; Laboratory of Department of Surgery, the First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou, Guangdong 510080, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26901871" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacterial Outer Membrane Proteins/*chemistry/*metabolism ; Crystallography, X-Ray ; Escherichia coli/*chemistry ; Escherichia coli Proteins/*chemistry/*metabolism ; Lipoproteins/chemistry/metabolism ; Models, Molecular ; Molecular Dynamics Simulation ; Movement ; Multiprotein Complexes/*chemistry/*metabolism ; Periplasm/metabolism ; Protein Binding ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; Rotation
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 81
    Publikationsdatum: 2016-02-11
    Beschreibung: The biological carbon pump is the process by which CO2 is transformed to organic carbon via photosynthesis, exported through sinking particles, and finally sequestered in the deep ocean. While the intensity of the pump correlates with plankton community composition, the underlying ecosystem structure driving the process remains largely uncharacterized. Here we use environmental and metagenomic data gathered during the Tara Oceans expedition to improve our understanding of carbon export in the oligotrophic ocean. We show that specific plankton communities, from the surface and deep chlorophyll maximum, correlate with carbon export at 150 m and highlight unexpected taxa such as Radiolaria and alveolate parasites, as well as Synechococcus and their phages, as lineages most strongly associated with carbon export in the subtropical, nutrient-depleted, oligotrophic ocean. Additionally, we show that the relative abundance of a few bacterial and viral genes can predict a significant fraction of the variability in carbon export in these regions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851848/" 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/PMC4851848/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guidi, Lionel -- Chaffron, Samuel -- Bittner, Lucie -- Eveillard, Damien -- Larhlimi, Abdelhalim -- Roux, Simon -- Darzi, Youssef -- Audic, Stephane -- Berline, Leo -- Brum, Jennifer R -- Coelho, Luis Pedro -- Espinoza, Julio Cesar Ignacio -- Malviya, Shruti -- Sunagawa, Shinichi -- Dimier, Celine -- Kandels-Lewis, Stefanie -- Picheral, Marc -- Poulain, Julie -- Searson, Sarah -- Tara Oceans Consortium Coordinators -- Stemmann, Lars -- Not, Fabrice -- Hingamp, Pascal -- Speich, Sabrina -- Follows, Mick -- Karp-Boss, Lee -- Boss, Emmanuel -- Ogata, Hiroyuki -- Pesant, Stephane -- Weissenbach, Jean -- Wincker, Patrick -- Acinas, Silvia G -- Bork, Peer -- de Vargas, Colomban -- Iudicone, Daniele -- Sullivan, Matthew B -- Raes, Jeroen -- Karsenti, Eric -- Bowler, Chris -- Gorsky, Gabriel -- England -- Nature. 2016 Apr 28;532(7600):465-70. doi: 10.1038/nature16942. Epub 2016 Feb 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sorbonne Universites, UPMC Universite Paris 06, CNRS, Laboratoire d'oceanographie de Villefranche (LOV), Observatoire Oceanologique, 06230 Villefranche-sur-Mer, France. ; Department of Oceanography, University of Hawaii, Honolulu, Hawaii 96822, USA. ; Department of Microbiology and Immunology, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium. ; Center for the Biology of Disease, VIB, Herestraat 49, 3000 Leuven, Belgium. ; Department of Applied Biological Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium. ; Sorbonne Universites, UPMC Univ Paris 06, CNRS, Institut de Biologie Paris-Seine (IBPS), Evolution Paris Seine, F-75005, Paris, France. ; Ecole Normale Superieure, PSL Research University, Institut de Biologie de l'Ecole Normale Superieure (IBENS), CNRS UMR 8197, INSERM U1024, 46 rue d'Ulm, F-75005 Paris, France. ; Sorbonne Universites, UPMC Universite Paris 06, CNRS, Laboratoire Adaptation et Diversite en Milieu Marin, Station Biologique de Roscoff, 29680 Roscoff, France. ; LINA UMR 6241, Universite de Nantes, EMN, CNRS, 44322 Nantes, France. ; Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstr. 1, 69117 Heidelberg, Germany. ; Directors' Research European Molecular Biology Laboratory Meyerhofstr. 1, 69117 Heidelberg, Germany. ; CEA - Institut de Genomique, GENOSCOPE, 2 rue Gaston Cremieux, 91057 Evry, France. ; Aix Marseille Universite, CNRS, IGS, UMR 7256, 13288 Marseille, France. ; Department of Geosciences, Laboratoire de Meteorologie Dynamique (LMD), Ecole Normale Superieure, 24 rue Lhomond, 75231 Paris CEDEX 05, France. ; Dept of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. ; School of Marine Sciences, University of Maine, Orono, Maine 04469, USA. ; Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-0011, Japan. ; PANGAEA, Data Publisher for Earth and Environmental Science, University of Bremen, 28359 Bremen, Germany. ; MARUM, Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany. ; CNRS, UMR 8030, CP 5706 Evry, France. ; Universite d'Evry, UMR 8030, CP 5706 Evry, France. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta 37-49, Barcelona E0800, Spain. ; Max-Delbruck-Centre for Molecular Medicine, 13092 Berlin, Germany. ; Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26863193" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aquatic Organisms/genetics/isolation & purification/*metabolism ; Carbon/*metabolism ; Chlorophyll/metabolism ; Dinoflagellida/genetics/isolation & purification/metabolism ; *Ecosystem ; Expeditions ; Genes, Bacterial ; Genes, Viral ; Geography ; Oceans and Seas ; Photosynthesis ; Plankton/genetics/isolation & purification/*metabolism ; Seawater/*chemistry/microbiology/parasitology ; Synechococcus/genetics/isolation & purification/metabolism/virology
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  • 82
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-03-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, Anthony -- England -- Nature. 2016 Mar 3;531(7592):S18-9. doi: 10.1038/531S18a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934522" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amygdala/metabolism ; Animals ; Brain/*physiology ; Bullying ; DNA Methylation ; Depression/complications/prevention & control/therapy ; Emotional Adjustment ; Epigenesis, Genetic/genetics ; Female ; Hippocampus/metabolism ; Humans ; Hydrocortisone/metabolism ; Maternal Behavior ; Memory/physiology ; Mice ; Models, Animal ; Oxytocin/metabolism ; Pregnancy ; Prenatal Exposure Delayed Effects/genetics ; Psychological Trauma/complications/genetics/metabolism ; Rats ; *Resilience, Psychological ; Social Isolation/psychology ; Stress, Psychological/complications/genetics/metabolism/therapy
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 83
    Publikationsdatum: 2016-03-05
    Beschreibung: HKU1 is a human betacoronavirus that causes mild yet prevalent respiratory disease, and is related to the zoonotic SARS and MERS betacoronaviruses, which have high fatality rates and pandemic potential. Cell tropism and host range is determined in part by the coronavirus spike (S) protein, which binds cellular receptors and mediates membrane fusion. As the largest known class I fusion protein, its size and extensive glycosylation have hindered structural studies of the full ectodomain, thus preventing a molecular understanding of its function and limiting development of effective interventions. Here we present the 4.0 A resolution structure of the trimeric HKU1 S protein determined using single-particle cryo-electron microscopy. In the pre-fusion conformation, the receptor-binding subunits, S1, rest above the fusion-mediating subunits, S2, preventing their conformational rearrangement. Surprisingly, the S1 C-terminal domains are interdigitated and form extensive quaternary interactions that occlude surfaces known in other coronaviruses to bind protein receptors. These features, along with the location of the two protease sites known to be important for coronavirus entry, provide a structural basis to support a model of membrane fusion mediated by progressive S protein destabilization through receptor binding and proteolytic cleavage. These studies should also serve as a foundation for the structure-based design of betacoronavirus vaccine immunogens.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4860016/" 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/PMC4860016/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kirchdoerfer, Robert N -- Cottrell, Christopher A -- Wang, Nianshuang -- Pallesen, Jesper -- Yassine, Hadi M -- Turner, Hannah L -- Corbett, Kizzmekia S -- Graham, Barney S -- McLellan, Jason S -- Ward, Andrew B -- R56 AI118016/AI/NIAID NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2016 Mar 3;531(7592):118-21. doi: 10.1038/nature17200.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Structural and Computational Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA. ; Department of Biochemistry, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, USA. ; Viral Pathogenesis Laboratory, National Institute of Allergy and Infectious Diseases, Building 40, Room 2502, 40 Convent Drive, Bethesda, Maryland 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26935699" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Line ; Coronavirus/*chemistry/*ultrastructure ; Cryoelectron Microscopy ; Humans ; Membrane Fusion ; Models, Molecular ; Protein Binding ; Protein Multimerization ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; Protein Subunits/chemistry/metabolism ; Proteolysis ; Receptors, Virus/metabolism ; Spike Glycoprotein, Coronavirus/*chemistry/metabolism/*ultrastructure ; Viral Vaccines/chemistry/immunology ; Virus Internalization
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 84
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-05-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Breed, Martin F -- Lowe, Andrew J -- Mortimer, Peter E -- England -- Nature. 2016 May 25;533(7604):469. doi: 10.1038/533469d.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Adelaide, Australia. ; Kunming Institute of Botany; and World Agroforestry Centre, Kunming, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27225110" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Conservation of Natural Resources/*methods ; *Ecosystem ; *Wilderness
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 85
    Publikationsdatum: 2016-04-14
    Beschreibung: Prokaryotic CRISPR-Cas adaptive immune systems insert spacers derived from viruses and other parasitic DNA elements into CRISPR loci to provide sequence-specific immunity. This frequently results in high within-population spacer diversity, but it is unclear if and why this is important. Here we show that, as a result of this spacer diversity, viruses can no longer evolve to overcome CRISPR-Cas by point mutation, which results in rapid virus extinction. This effect arises from synergy between spacer diversity and the high specificity of infection, which greatly increases overall population resistance. We propose that the resulting short-lived nature of CRISPR-dependent bacteria-virus coevolution has provided strong selection for the evolution of sophisticated virus-encoded anti-CRISPR mechanisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Houte, Stineke -- Ekroth, Alice K E -- Broniewski, Jenny M -- Chabas, Helene -- Ashby, Ben -- Bondy-Denomy, Joseph -- Gandon, Sylvain -- Boots, Mike -- Paterson, Steve -- Buckling, Angus -- Westra, Edze R -- DP5-OD021344/OD/NIH HHS/ -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2016 Apr 21;532(7599):385-8. doi: 10.1038/nature17436. Epub 2016 Apr 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉ESI and CEC, Biosciences, University of Exeter, Cornwall Campus, Penryn TR10 9EZ, UK. ; CEFE UMR 5175, CNRS-Universite de Montpellier, Universite Paul-Valery Montpellier, EPHE, 1919, route de Mende 34293, Montpellier Cedex 5, France. ; Department of Integrative Biology, University of California, Berkeley, California 94720, USA. ; CEC, Biosciences, University of Exeter, Cornwall Campus, Penryn TR10 9EZ, UK. ; Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, California 94158, USA. ; Institute of Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27074511" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacteriophages/genetics/immunology/physiology ; *Biological Evolution ; CRISPR-Cas Systems/*genetics/*immunology ; Extinction, Biological ; Genetic Fitness/genetics/physiology ; Point Mutation/genetics ; Pseudomonas aeruginosa/*genetics/*immunology/virology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 86
    Publikationsdatum: 2016-03-10
    Beschreibung: Many biopolymers, including polysaccharides, must be translocated across at least one membrane to reach their site of biological function. Cellulose is a linear glucose polymer synthesized and secreted by a membrane-integrated cellulose synthase. Here, in crystallo enzymology with the catalytically active bacterial cellulose synthase BcsA-BcsB complex reveals structural snapshots of a complete cellulose biosynthesis cycle, from substrate binding to polymer translocation. Substrate- and product-bound structures of BcsA provide the basis for substrate recognition and demonstrate the stepwise elongation of cellulose. Furthermore, the structural snapshots show that BcsA translocates cellulose via a ratcheting mechanism involving a 'finger helix' that contacts the polymer's terminal glucose. Cooperating with BcsA's gating loop, the finger helix moves 'up' and 'down' in response to substrate binding and polymer elongation, respectively, thereby pushing the elongated polymer into BcsA's transmembrane channel. This mechanism is validated experimentally by tethering BcsA's finger helix, which inhibits polymer translocation but not elongation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4843519/" 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/PMC4843519/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morgan, Jacob L W -- McNamara, Joshua T -- Fischer, Michael -- Rich, Jamie -- Chen, Hong-Ming -- Withers, Stephen G -- Zimmer, Jochen -- 1R01GM101001/GM/NIGMS NIH HHS/ -- P41 GM103403/GM/NIGMS NIH HHS/ -- R01 GM101001/GM/NIGMS NIH HHS/ -- S10 RR029205/RR/NCRR NIH HHS/ -- England -- Nature. 2016 Mar 17;531(7594):329-34. doi: 10.1038/nature16966. Epub 2016 Mar 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Virginia School of Medicine, Center for Membrane Biology, Molecular Physiology and Biological Physics, 480 Ray C. Hunt Drive, Charlottesville, Virginia 22908, USA. ; Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26958837" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cellulose/*biosynthesis/chemistry/*metabolism ; Crystallography, X-Ray ; Glucose/metabolism ; Glucosyltransferases/*chemistry/*metabolism ; Intracellular Membranes/chemistry/*metabolism ; Models, Molecular ; Movement ; Protein Structure, Secondary ; Proteolipids/chemistry/metabolism ; Rhodobacter sphaeroides/enzymology ; Substrate Specificity
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 87
    Publikationsdatum: 2016-01-07
    Beschreibung: CRISPR-Cas9 nucleases are widely used for genome editing but can induce unwanted off-target mutations. Existing strategies for reducing genome-wide off-target effects of the widely used Streptococcus pyogenes Cas9 (SpCas9) are imperfect, possessing only partial or unproven efficacies and other limitations that constrain their use. Here we describe SpCas9-HF1, a high-fidelity variant harbouring alterations designed to reduce non-specific DNA contacts. SpCas9-HF1 retains on-target activities comparable to wild-type SpCas9 with 〉85% of single-guide RNAs (sgRNAs) tested in human cells. Notably, with sgRNAs targeted to standard non-repetitive sequences, SpCas9-HF1 rendered all or nearly all off-target events undetectable by genome-wide break capture and targeted sequencing methods. Even for atypical, repetitive target sites, the vast majority of off-target mutations induced by wild-type SpCas9 were not detected with SpCas9-HF1. With its exceptional precision, SpCas9-HF1 provides an alternative to wild-type SpCas9 for research and therapeutic applications. More broadly, our results suggest a general strategy for optimizing genome-wide specificities of other CRISPR-RNA-guided nucleases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kleinstiver, Benjamin P -- Pattanayak, Vikram -- Prew, Michelle S -- Tsai, Shengdar Q -- Nguyen, Nhu T -- Zheng, Zongli -- Joung, J Keith -- DP1 GM105378/DP/NCCDPHP CDC HHS/ -- R01 GM088040/GM/NIGMS NIH HHS/ -- R01 GM107427/GM/NIGMS NIH HHS/ -- England -- Nature. 2016 Jan 28;529(7587):490-5. doi: 10.1038/nature16526. Epub 2016 Jan 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Pathology Unit, Center for Cancer Research, and Center for Computational and Integrative Biology, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA. ; Department of Pathology, Harvard Medical School, Boston, Massachusetts 02115, USA. ; Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26735016" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Base Sequence ; CRISPR-Associated Proteins/*genetics/*metabolism ; CRISPR-Cas Systems/*physiology ; Clustered Regularly Interspaced Short Palindromic Repeats/*genetics ; DNA/genetics/metabolism ; DNA-Binding Proteins/genetics/metabolism ; Endonucleases/genetics/*metabolism ; *Genetic Engineering ; Genome, Human/*genetics ; Humans ; Mutation ; Protein Binding ; RNA/genetics ; Reproducibility of Results ; Sequence Analysis, DNA ; Streptococcus pyogenes/enzymology/genetics ; Substrate Specificity
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 88
    Publikationsdatum: 2016-01-14
    Beschreibung: The myelin sheaths wrapped around axons by oligodendrocytes are crucial for brain function. In ischaemia myelin is damaged in a Ca(2+)-dependent manner, abolishing action potential propagation. This has been attributed to glutamate release activating Ca(2+)-permeable N-methyl-D-aspartate (NMDA) receptors. Surprisingly, we now show that NMDA does not raise the intracellular Ca(2+) concentration ([Ca(2+)]i) in mature oligodendrocytes and that, although ischaemia evokes a glutamate-triggered membrane current, this is generated by a rise of extracellular [K(+)] and decrease of membrane K(+) conductance. Nevertheless, ischaemia raises oligodendrocyte [Ca(2+)]i, [Mg(2+)]i and [H(+)]i, and buffering intracellular pH reduces the [Ca(2+)]i and [Mg(2+)]i increases, showing that these are evoked by the rise of [H(+)]i. The H(+)-gated [Ca(2+)]i elevation is mediated by channels with characteristics of TRPA1, being inhibited by ruthenium red, isopentenyl pyrophosphate, HC-030031, A967079 or TRPA1 knockout. TRPA1 block reduces myelin damage in ischaemia. These data suggest that TRPA1-containing ion channels could be a therapeutic target in white matter ischaemia.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4733665/" 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/PMC4733665/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, Nicola B -- Kolodziejczyk, Karolina -- Kougioumtzidou, Eleni -- Attwell, David -- Wellcome Trust/United Kingdom -- England -- Nature. 2016 Jan 28;529(7587):523-7. doi: 10.1038/nature16519. Epub 2016 Jan 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience, Physiology &Pharmacology, University College London, Gower St., London WC1E 6BT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26760212" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Brain Ischemia/*metabolism/*pathology ; Calcium/*metabolism ; Calcium Signaling/drug effects ; Electric Conductivity ; Female ; Hydrogen-Ion Concentration ; Magnesium/metabolism ; Male ; Mice ; Mice, Transgenic ; Multiple Sclerosis/metabolism/pathology ; Myelin Sheath/drug effects/*metabolism/*pathology ; N-Methylaspartate/metabolism/pharmacology ; Oligodendroglia/drug effects/metabolism/pathology ; Potassium/metabolism ; *Protons ; Rats ; Rats, Sprague-Dawley ; Receptors, N-Methyl-D-Aspartate/metabolism ; Stroke/metabolism/pathology ; Transient Receptor Potential Channels/antagonists & ; inhibitors/deficiency/genetics/*metabolism ; White Matter/metabolism/pathology
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 89
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-02-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2016 Feb 18;530(7590):253-4. doi: 10.1038/530253b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26887453" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biomedical Research/*economics/*trends ; Child ; *Federal Government ; *Goals ; Humans ; Immunotherapy ; Information Dissemination ; Neoplasms/*therapy ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/drug therapy ; United States
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 90
    Publikationsdatum: 2016-03-17
    Beschreibung: Plant respiration results in an annual flux of carbon dioxide (CO2) to the atmosphere that is six times as large as that due to the emissions from fossil fuel burning, so changes in either will impact future climate. As plant respiration responds positively to temperature, a warming world may result in additional respiratory CO2 release, and hence further atmospheric warming. Plant respiration can acclimate to altered temperatures, however, weakening the positive feedback of plant respiration to rising global air temperature, but a lack of evidence on long-term (weeks to years) acclimation to climate warming in field settings currently hinders realistic predictions of respiratory release of CO2 under future climatic conditions. Here we demonstrate strong acclimation of leaf respiration to both experimental warming and seasonal temperature variation for juveniles of ten North American tree species growing for several years in forest conditions. Plants grown and measured at 3.4 degrees C above ambient temperature increased leaf respiration by an average of 5% compared to plants grown and measured at ambient temperature; without acclimation, these increases would have been 23%. Thus, acclimation eliminated 80% of the expected increase in leaf respiration of non-acclimated plants. Acclimation of leaf respiration per degree temperature change was similar for experimental warming and seasonal temperature variation. Moreover, the observed increase in leaf respiration per degree increase in temperature was less than half as large as the average reported for previous studies, which were conducted largely over shorter time scales in laboratory settings. If such dampening effects of leaf thermal acclimation occur generally, the increase in respiration rates of terrestrial plants in response to climate warming may be less than predicted, and thus may not raise atmospheric CO2 concentrations as much as anticipated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reich, Peter B -- Sendall, Kerrie M -- Stefanski, Artur -- Wei, Xiaorong -- Rich, Roy L -- Montgomery, Rebecca A -- England -- Nature. 2016 Mar 31;531(7596):633-6. doi: 10.1038/nature17142. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Forest Resources, University of Minnesota, Minnesota 55108, USA. ; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales 2753, Australia. ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China. ; Smithsonian Environmental Research Center, Edgewater, Maryland 20137, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982730" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Acclimatization ; Atmosphere ; Carbon Dioxide/metabolism ; Cell Respiration ; Darkness ; *Ecosystem ; Forests ; *Global Warming ; North America ; Photosynthesis ; Plant Leaves/metabolism ; Seasons ; *Temperature ; Time Factors ; Trees/classification/*metabolism
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    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 91
    Publikationsdatum: 2016-01-15
    Beschreibung: Nonribosomal peptide synthetases (NRPSs) are very large proteins that produce small peptide molecules with wide-ranging biological activities, including environmentally friendly chemicals and many widely used therapeutics. NRPSs are macromolecular machines, with modular assembly-line logic, a complex catalytic cycle, moving parts and many active sites. In addition to the core domains required to link the substrates, they often include specialized tailoring domains, which introduce chemical modifications and allow the product to access a large expanse of chemical space. It is still unknown how the NRPS tailoring domains are structurally accommodated into megaenzymes or how they have adapted to function in nonribosomal peptide synthesis. Here we present a series of crystal structures of the initiation module of an antibiotic-producing NRPS, linear gramicidin synthetase. This module includes the specialized tailoring formylation domain, and states are captured that represent every major step of the assembly-line synthesis in the initiation module. The transitions between conformations are large in scale, with both the peptidyl carrier protein domain and the adenylation subdomain undergoing huge movements to transport substrate between distal active sites. The structures highlight the great versatility of NRPSs, as small domains repurpose and recycle their limited interfaces to interact with their various binding partners. Understanding tailoring domains is important if NRPSs are to be utilized in the production of novel therapeutics.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reimer, Janice M -- Aloise, Martin N -- Harrison, Paul M -- Schmeing, T Martin -- 106615/Canadian Institutes of Health Research/Canada -- England -- Nature. 2016 Jan 14;529(7585):239-42. doi: 10.1038/nature16503.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, McGill University, 3649 Promenade Sir-William-Osler, Montreal, Quebec H3G 0B1, Canada. ; Department of Biology, McGill University, 1205 Dr Penfield Avenue, Montreal, Quebec H3A 1B1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26762462" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Isomerases/chemistry/metabolism ; Anti-Bacterial Agents/biosynthesis ; Binding Sites ; *Biocatalysis ; Brevibacillus/*enzymology ; Carbohydrate Metabolism ; Carrier Proteins/chemistry/metabolism ; Catalytic Domain ; Coenzymes/metabolism ; Crystallography, X-Ray ; Gramicidin/*biosynthesis ; Hydroxymethyl and Formyl Transferases/chemistry/metabolism ; Models, Molecular ; Multienzyme Complexes/chemistry/metabolism ; Pantetheine/analogs & derivatives/metabolism ; Peptide Synthases/*chemistry/*metabolism ; Protein Binding ; Protein Structure, Tertiary ; RNA, Transfer/chemistry/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 92
    Publikationsdatum: 2016-04-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kotiaho, Janne S -- ten Brink, Ben -- Harris, Jim -- England -- Nature. 2016 Apr 7;532(7597):37. doi: 10.1038/532037c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Jyvaskyla, Finland. ; PBL-Netherlands Environmental Assessment Agency, The Netherlands. ; Cranfield University, Bedfordshire, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27078561" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biodiversity ; Conservation of Natural Resources/*methods ; *Ecosystem ; Human Activities ; Reference Standards ; *Wilderness
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    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 93
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-03-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dance, Amber -- England -- Nature. 2016 Mar 3;531(7592):S2-3. doi: 10.1038/531S2a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26934523" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging ; Amphetamines/adverse effects/pharmacology ; Animals ; Benzhydryl Compounds/pharmacology ; Biomedical Enhancement/ethics/*methods ; Caffeine/pharmacology ; Child ; Cognition/drug effects ; Dopamine/metabolism ; Healthy Volunteers ; Humans ; Intelligence/*drug effects ; Intelligence Tests ; Methylphenidate/adverse effects/pharmacology ; Neurotransmitter Agents/metabolism ; Nicotine/adverse effects/pharmacology ; Norepinephrine/metabolism ; Off-Label Use ; Performance-Enhancing Substances/adverse effects/*pharmacology ; Prefrontal Cortex/drug effects/physiology ; Rats ; Substance-Related Disorders/etiology ; Video Games/psychology
    Print ISSN: 0028-0836
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 94
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-04-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nardone, Roland M -- MacLeod, Roderick A F -- Capes-Davis, Amanda -- England -- Nature. 2016 Apr 21;532(7599):313.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27127813" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Line, Tumor ; DNA Contamination ; Databases, Factual ; *Disease Models, Animal ; Guidelines as Topic ; Heterografts/*standards ; Humans ; National Cancer Institute (U.S.) ; Neoplasms/*pathology ; Quality Control ; Reproducibility of Results ; United States ; Xenograft Model Antitumor Assays/*standards
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    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 95
    Publikationsdatum: 2016-02-09
    Beschreibung: The tremendous pandemic potential of coronaviruses was demonstrated twice in the past few decades by two global outbreaks of deadly pneumonia. Entry of coronaviruses into cells is mediated by the transmembrane spike glycoprotein S, which forms a trimer carrying receptor-binding and membrane fusion functions. S also contains the principal antigenic determinants and is the target of neutralizing antibodies. Here we present the structure of a mouse coronavirus S trimer ectodomain determined at 4.0 A resolution by single particle cryo-electron microscopy. It reveals the metastable pre-fusion architecture of S and highlights key interactions stabilizing it. The structure shares a common core with paramyxovirus F proteins, implicating mechanistic similarities and an evolutionary connection between these viral fusion proteins. The accessibility of the highly conserved fusion peptide at the periphery of the trimer indicates potential vaccinology strategies to elicit broadly neutralizing antibodies against coronaviruses. Finally, comparison with crystal structures of human coronavirus S domains allows rationalization of the molecular basis for species specificity based on the use of spatially contiguous but distinct domains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walls, Alexandra C -- Tortorici, M Alejandra -- Bosch, Berend-Jan -- Frenz, Brandon -- Rottier, Peter J M -- DiMaio, Frank -- Rey, Felix A -- Veesler, David -- GM103310/GM/NIGMS NIH HHS/ -- T32GM008268/GM/NIGMS NIH HHS/ -- England -- Nature. 2016 Mar 3;531(7592):114-7. doi: 10.1038/nature16988. Epub 2016 Feb 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Washington, Seattle, Washington 98195, USA. ; Institut Pasteur, Unite de Virologie Structurale, 75015 Paris, France. ; CNRS UMR 3569 Virologie, 75015 Paris, France. ; Virology Division, Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, 3584 CL Utrecht, The Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26855426" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Animals ; Antibodies, Neutralizing/immunology ; Cell Line ; Coronavirus Infections/immunology/virology ; *Cryoelectron Microscopy ; Drosophila melanogaster ; Mice ; Models, Molecular ; Molecular Sequence Data ; Murine hepatitis virus/*chemistry/immunology/*ultrastructure ; Protein Multimerization ; Protein Structure, Tertiary ; Spike Glycoprotein, Coronavirus/*chemistry/immunology/*ultrastructure ; Viral Vaccines/chemistry/immunology ; Virus Internalization
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 96
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-05-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2016 May 11;533(7602):146. doi: 10.1038/533146a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27172009" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Device Approval/legislation & jurisprudence ; Drug Approval/legislation & jurisprudence ; Electronic Cigarettes/*adverse effects/utilization ; Humans ; Industry/legislation & jurisprudence ; Nicotine/administration & dosage/adverse effects/analysis ; Research Personnel ; Smoking/epidemiology/mortality/*prevention & control ; Tobacco Products/adverse effects/utilization ; United States ; United States Food and Drug Administration/*legislation & jurisprudence
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 97
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-04-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roth, Alvin E -- England -- Nature. 2016 Apr 14;532(7598):178. doi: 10.1038/532178a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford University, California, USA. He shared the 2012 Nobel Memorial Prize in Economic Sciences with Lloyd Shapley.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27075091" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Algorithms ; Economics/*history ; Female ; *Game Theory ; History, 20th Century ; History, 21st Century ; Humans ; Male ; Marketing/history ; Marriage/psychology ; Mathematics/*history ; Nobel Prize ; United States
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 98
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-05-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2016 May 11;533(7602):145. doi: 10.1038/533145a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27172008" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Anxiety ; Biomedical Research/*trends ; Breast Feeding/*adverse effects ; Clinical Trials as Topic/ethics/methods ; Female ; Humans ; Infant ; Infant, Newborn ; Milk, Human/*chemistry/*metabolism ; Mothers/psychology ; Pharmaceutical Preparations/*administration & dosage/*metabolism ; Risk Assessment ; Safety ; *Uncertainty ; United States ; United States Food and Drug Administration
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 99
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    Nature Publishing Group (NPG)
    Publikationsdatum: 2016-03-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lauer, Michael -- Valantine, Hannah -- Collins, Francis S -- England -- Nature. 2016 Mar 3;531(7592):35. doi: 10.1038/531035b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institutes of Health, Bethesda, Maryland, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26935689" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Congresses as Topic ; *National Institutes of Health (U.S.)/economics/organization & administration ; *Organizational Policy ; Sexual Harassment/*prevention & control/statistics & numerical data ; United States ; Workplace
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    Digitale ISSN: 1476-4687
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 100
    Publikationsdatum: 2016-01-21
    Beschreibung: Ubiquitination is a central process affecting all facets of cellular signalling and function. A critical step in ubiquitination is the transfer of ubiquitin from an E2 ubiquitin-conjugating enzyme to a substrate or a growing ubiquitin chain, which is mediated by E3 ubiquitin ligases. RING-type E3 ligases typically facilitate the transfer of ubiquitin from the E2 directly to the substrate. The RING-between-RING (RBR) family of RING-type E3 ligases, however, breaks this paradigm by forming a covalent intermediate with ubiquitin similarly to HECT-type E3 ligases. The RBR family includes Parkin and HOIP, the central catalytic factor of the LUBAC (linear ubiquitin chain assembly complex). While structural insights into the RBR E3 ligases Parkin and HHARI in their overall auto-inhibited forms are available, no structures exist of intact fully active RBR E3 ligases or any of their complexes. Thus, the RBR mechanism of action has remained largely unknown. Here we present the first structure, to our knowledge, of the fully active human HOIP RBR in its transfer complex with an E2~ubiquitin conjugate, which elucidates the intricate nature of RBR E3 ligases. The active HOIP RBR adopts a conformation markedly different from that of auto-inhibited RBRs. HOIP RBR binds the E2~ubiquitin conjugate in an elongated fashion, with the E2 and E3 catalytic centres ideally aligned for ubiquitin transfer, which structurally both requires and enables a HECT-like mechanism. In addition, three distinct helix-IBR-fold motifs inherent to RBRs form ubiquitin-binding regions that engage the activated ubiquitin of the E2~ubiquitin conjugate and, surprisingly, an additional regulatory ubiquitin molecule. The features uncovered reveal critical states of the HOIP RBR E3 ligase cycle, and comparison with Parkin and HHARI suggests a general mechanism for RBR E3 ligases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lechtenberg, Bernhard C -- Rajput, Akhil -- Sanishvili, Ruslan -- Dobaczewska, Malgorzata K -- Ware, Carl F -- Mace, Peter D -- Riedl, Stefan J -- P30 CA030199/CA/NCI NIH HHS/ -- P30CA030199/CA/NCI NIH HHS/ -- R01AA017238/AA/NIAAA NIH HHS/ -- England -- Nature. 2016 Jan 28;529(7587):546-50. doi: 10.1038/nature16511. Epub 2016 Jan 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, California 92037, USA. ; Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, California 92037, USA. ; X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA. ; Biochemistry Department, University of Otago, 710 Cumberland Street, Dunedin 9054, New Zealand.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26789245" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Allosteric Regulation ; Amino Acid Motifs ; Catalytic Domain ; Crystallography, X-Ray ; Humans ; Models, Molecular ; Multiprotein Complexes/*chemistry/*metabolism ; *RING Finger Domains ; Ubiquitin/*chemistry/metabolism ; Ubiquitin-Conjugating Enzymes/*chemistry/metabolism ; Ubiquitin-Protein Ligases/*chemistry/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
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