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  • Humans  (669)
  • Protein Conformation  (38)
  • General Chemistry
  • American Association for the Advancement of Science (AAAS)  (685)
  • Springer
  • 2010-2014  (685)
  • 1985-1989
  • 2013  (685)
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  • 2010-2014  (685)
  • 1985-1989
Year
  • 1
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    Genetic and molecular basis of drug resistance and species-specific drug action in schistosome parasites (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-11-23
    Description: Oxamniquine resistance evolved in the human blood fluke (Schistosoma mansoni) in Brazil in the 1970s. We crossed parental parasites differing ~500-fold in drug response, determined drug sensitivity and marker segregation in clonally derived second-generation progeny, and identified a single quantitative trait locus (logarithm of odds = 31) on chromosome 6. A sulfotransferase was identified as the causative gene by using RNA interference knockdown and biochemical complementation assays, and we subsequently demonstrated independent origins of loss-of-function mutations in field-derived and laboratory-selected resistant parasites. These results demonstrate the utility of linkage mapping in a human helminth parasite, while crystallographic analyses of protein-drug interactions illuminate the mode of drug action and provide a framework for rational design of oxamniquine derivatives that kill both S. mansoni and S. haematobium, the two species responsible for 〉99% of schistosomiasis cases worldwide.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4136436/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4136436/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Valentim, Claudia L L -- Cioli, Donato -- Chevalier, Frederic D -- Cao, Xiaohang -- Taylor, Alexander B -- Holloway, Stephen P -- Pica-Mattoccia, Livia -- Guidi, Alessandra -- Basso, Annalisa -- Tsai, Isheng J -- Berriman, Matthew -- Carvalho-Queiroz, Claudia -- Almeida, Marcio -- Aguilar, Hector -- Frantz, Doug E -- Hart, P John -- LoVerde, Philip T -- Anderson, Timothy J C -- 098051/Wellcome Trust/United Kingdom -- 5R21-AI072704/AI/NIAID NIH HHS/ -- 5R21-AI096277/AI/NIAID NIH HHS/ -- C06 RR013556/RR/NCRR NIH HHS/ -- HHSN272201000005I/PHS HHS/ -- R01 AI097576/AI/NIAID NIH HHS/ -- R01-AI097576/AI/NIAID NIH HHS/ -- R21 AI072704/AI/NIAID NIH HHS/ -- R21 AI096277/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2013 Dec 13;342(6164):1385-9. doi: 10.1126/science.1243106. Epub 2013 Nov 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departments of Biochemistry and Pathology, University of Texas Health Science Center, San Antonio, TX 78229, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24263136" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Drug Resistance/*genetics ; Gene Knockdown Techniques ; Genetic Linkage ; Helminth Proteins/*genetics ; Humans ; Molecular Sequence Data ; Mutation ; Oxamniquine/*pharmacology ; Phylogeny ; Protein Conformation ; Quantitative Trait Loci ; RNA Interference ; Schistosoma mansoni/*drug effects/*genetics ; Schistosomicides/*pharmacology ; Sulfotransferases/chemistry/classification/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    IBI series winner. Engaging high school students in research on smoking behavior (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Munn, Maureen M -- Oura, Hiroki -- Gallivan, Mark -- Van Horne, Katie -- Shouse, Andrew W -- R25 DA013180/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):360-1. doi: 10.1126/science.1229999.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA. mmunn@uw.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23888032" target="_blank"〉PubMed〈/a〉
    Keywords: Awards and Prizes ; *Biomedical Research ; *Curriculum ; *Databases, Factual ; *Epidemiologic Studies ; Humans ; *Smoking/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Little emperors: behavioral impacts of China's One-Child Policy (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-01-12
    Description: We document that China's One-Child Policy (OCP), one of the most radical approaches to limiting population growth, has produced significantly less trusting, less trustworthy, more risk-averse, less competitive, more pessimistic, and less conscientious individuals. Our data were collected from economics experiments conducted with 421 individuals born just before and just after the OCP's introduction in 1979. Surveys to elicit personality traits were also used. We used the exogenous imposition of the OCP to identify the causal impact of being an only child, net of family background effects. The OCP thus has significant ramifications for Chinese society.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cameron, L -- Erkal, N -- Gangadharan, L -- Meng, X -- New York, N.Y. -- Science. 2013 Feb 22;339(6122):953-7. doi: 10.1126/science.1230221. Epub 2013 Jan 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Econometrics, Monash University, Clayton, Victoria 3800, Australia. lisa.cameron@monash.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23306438" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Altruism ; Anxiety Disorders ; *Attitude ; *Behavior ; China ; Competitive Behavior ; Family ; *Family Planning Policy ; Female ; Games, Experimental ; Humans ; Male ; Only Child/*psychology ; *Personality ; Risk-Taking ; Trust ; Urban Population
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    FtsZ protofilaments use a hinge-opening mechanism for constrictive force generation (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-28
    Description: The essential bacterial protein FtsZ is a guanosine triphosphatase that self-assembles into a structure at the division site termed the "Z ring". During cytokinesis, the Z ring exerts a constrictive force on the membrane by using the chemical energy of guanosine triphosphate hydrolysis. However, the structural basis of this constriction remains unresolved. Here, we present the crystal structure of a guanosine diphosphate-bound Mycobacterium tuberculosis FtsZ protofilament, which exhibits a curved conformational state. The structure reveals a longitudinal interface that is important for function. The protofilament curvature highlights a hydrolysis-dependent conformational switch at the T3 loop that leads to longitudinal bending between subunits, which could generate sufficient force to drive cytokinesis.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816583/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3816583/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Ying -- Hsin, Jen -- Zhao, Lingyun -- Cheng, Yiwen -- Shang, Weina -- Huang, Kerwyn Casey -- Wang, Hong-Wei -- Ye, Sheng -- 1F32GM100677-01A1/GM/NIGMS NIH HHS/ -- DP2 OD006466/OD/NIH HHS/ -- DP2OD006466/OD/NIH HHS/ -- F32 GM100677/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Jul 26;341(6144):392-5. doi: 10.1126/science.1239248.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Life Sciences Institute, Zhejiang University, Hangzhou, 310058 Zhejiang, P.R. China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23888039" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacterial Proteins/*chemistry/genetics/*metabolism ; Cell Membrane/physiology ; Crystallography, X-Ray ; *Cytokinesis ; Cytoskeletal Proteins/*chemistry/genetics/*metabolism ; Escherichia coli/chemistry ; Guanosine Diphosphate/chemistry/metabolism ; Guanosine Triphosphate/metabolism ; Hydrolysis ; Hydrophobic and Hydrophilic Interactions ; Models, Molecular ; Molecular Dynamics Simulation ; Molecular Sequence Data ; Mycobacterium tuberculosis/*chemistry/physiology ; Point Mutation ; Protein Conformation ; Protein Multimerization ; Protein Subunits/chemistry/metabolism ; Staphylococcus aureus/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Architecture of an RNA polymerase II transcription pre-initiation complex (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-28
    Description: The protein density and arrangement of subunits of a complete, 32-protein, RNA polymerase II (pol II) transcription pre-initiation complex (PIC) were determined by means of cryogenic electron microscopy and a combination of chemical cross-linking and mass spectrometry. The PIC showed a marked division in two parts, one containing all the general transcription factors (GTFs) and the other pol II. Promoter DNA was associated only with the GTFs, suspended above the pol II cleft and not in contact with pol II. This structural principle of the PIC underlies its conversion to a transcriptionally active state; the PIC is poised for the formation of a transcription bubble and descent of the DNA into the pol II cleft.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4039082/" 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/PMC4039082/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murakami, Kenji -- Elmlund, Hans -- Kalisman, Nir -- Bushnell, David A -- Adams, Christopher M -- Azubel, Maia -- Elmlund, Dominika -- Levi-Kalisman, Yael -- Liu, Xin -- Gibbons, Brian J -- Levitt, Michael -- Kornberg, Roger D -- AI21144/AI/NIAID NIH HHS/ -- GM063817/GM/NIGMS NIH HHS/ -- GM49885/GM/NIGMS NIH HHS/ -- R01 AI021144/AI/NIAID NIH HHS/ -- R01 GM036659/GM/NIGMS NIH HHS/ -- R01 GM063817/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2013 Nov 8;342(6159):1238724. doi: 10.1126/science.1238724. Epub 2013 Sep 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Structural Biology, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24072820" target="_blank"〉PubMed〈/a〉
    Keywords: Cryoelectron Microscopy ; DNA, Fungal/chemistry/genetics ; *Gene Expression Regulation, Fungal ; Multiprotein Complexes/*chemistry ; Nucleic Acid Conformation ; Protein Conformation ; RNA Polymerase II/*chemistry ; Saccharomyces cerevisiae/*enzymology/genetics ; Saccharomyces cerevisiae Proteins/*chemistry ; Transcription Factors, General/*chemistry ; *Transcription Initiation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 6
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    Outside the pipeline: reimagining science education for nonscientists (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-20
    Description: Educational policy increasingly emphasizes knowledge and skills for the preprofessional "science pipeline" rather than helping students use science in daily life. We synthesize research on public engagement with science to develop a research-based plan for cultivating competent outsiders: nonscientists who can access and make sense of science relevant to their lives. Schools should help students access and interpret the science they need in response to specific practical problems, judge the credibility of scientific claims based on both evidence and institutional cues, and cultivate deep amateur involvement in science.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feinstein, Noah Weeth -- Allen, Sue -- Jenkins, Edgar -- New York, N.Y. -- Science. 2013 Apr 19;340(6130):314-7. doi: 10.1126/science.1230855.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Curriculum & Instruction, University of Wisconsin-Madison, 225 North Mills Street, Madison, WI 53706, USA. nfeinstein@wisc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23599483" target="_blank"〉PubMed〈/a〉
    Keywords: Education, Professional/*methods ; Humans ; Practice (Psychology) ; *Schools/manpower/organization & administration/standards ; Science/*education ; Thinking
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Molecular biology. New tool for genome surgery (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-02-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van der Oost, John -- New York, N.Y. -- Science. 2013 Feb 15;339(6121):768-70. doi: 10.1126/science.1234726.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Microbiology, Wageningen University, Wageningen, Netherlands. john.vanderoost@wur.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23413345" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caspase 9/*chemistry ; *DNA Cleavage ; Gene Targeting/*methods ; Genetic Engineering/*methods ; Genome/*genetics ; Genome, Human/*genetics ; Humans ; Inverted Repeat Sequences/*genetics ; Microarray Analysis/*methods ; RNA/*chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Call for prudence in whole-genome testing (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-08-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van El, C G -- Dondorp, W J -- de Wert, G M W R -- Cornel, M C -- New York, N.Y. -- Science. 2013 Aug 30;341(6149):958-9. doi: 10.1126/science.341.6149.958-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23990543" target="_blank"〉PubMed〈/a〉
    Keywords: Disease/*genetics ; *Genetic Predisposition to Disease ; Genomics/*ethics/*standards ; Humans ; *Incidental Findings ; *Practice Guidelines as Topic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    Genetics. A story of swapped ends (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-06-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rowley, Janet D -- New York, N.Y. -- Science. 2013 Jun 21;340(6139):1412-3. doi: 10.1126/science.1241318.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Chicago, 5841 S. Maryland Avenue, Chicago, IL 60637, USA. jrowley@medicine.bsd.uchicago.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23788787" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Banding ; Chromosome Deletion ; Gene Fusion ; Genes, abl ; High-Throughput Nucleotide Sequencing ; History, 20th Century ; Humans ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics ; Leukemia, Myeloid, Acute/genetics ; Neoplasms/*genetics/history/therapy ; Philadelphia Chromosome ; *Translocation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Breakthrough of the year 2013. Notable developments (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-12-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 2013 Dec 20;342(6165):1435-41. doi: 10.1126/science.342.6165.1444.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24357296" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Science Disciplines/history/*trends ; History, 21st Century ; Humans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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