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  • Reproducibility of Results  (484)
  • Protein Binding  (474)
  • Nature Publishing Group (NPG)  (943)
  • American Institute of Physics
  • Blackwell Publishing Ltd
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  • 1
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    Nature Publishing Group (NPG)
    Publication Date: 2010-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schiermeier, Quirin -- England -- Nature. 2010 Feb 4;463(7281):596-7. doi: 10.1038/463596a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20130621" target="_blank"〉PubMed〈/a〉
    Keywords: *Conflict of Interest ; Ecology/ethics/organization & administration/*standards ; Ethics, Professional ; *Global Warming/statistics & numerical data ; Ice Cover ; Reproducibility of Results ; Research Design ; Risk Assessment ; United Nations/ethics/*organization & administration/standards
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2010-02-09
    Description: Although the notion of an early origin and diversification of life on Earth during the Archaean eon has received increasing support in geochemical, sedimentological and palaeontological evidence, ambiguities and controversies persist regarding the biogenicity and syngeneity of the record older than Late Archaean. Non-biological processes are known to produce morphologies similar to some microfossils, and hydrothermal fluids have the potential to produce abiotic organic compounds with depleted carbon isotope values, making it difficult to establish unambiguous traces of life. Here we report the discovery of a population of large (up to about 300 mum in diameter) carbonaceous spheroidal microstructures in Mesoarchaean shales and siltstones of the Moodies Group, South Africa, the Earth's oldest siliciclastic alluvial to tidal-estuarine deposits. These microstructures are interpreted as organic-walled microfossils on the basis of petrographic and geochemical evidence for their endogenicity and syngeneity, their carbonaceous composition, cellular morphology and ultrastructure, occurrence in populations, taphonomic features of soft wall deformation, and the geological context plausible for life, as well as a lack of abiotic explanation falsifying a biological origin. These are the oldest and largest Archaean organic-walled spheroidal microfossils reported so far. Our observations suggest that relatively large microorganisms cohabited with earlier reported benthic microbial mats in the photic zone of marginal marine siliciclastic environments 3.2 billion years ago.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Javaux, Emmanuelle J -- Marshall, Craig P -- Bekker, Andrey -- England -- Nature. 2010 Feb 18;463(7283):934-8. doi: 10.1038/nature08793. Epub 2010 Feb 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geology, University of Liege, 17 allee du 6 Aout B18, Liege 4000, Belgium. ej.javaux@ulg.ac.be〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20139963" target="_blank"〉PubMed〈/a〉
    Keywords: Acids ; Bacteria/chemistry/cytology/isolation & purification/metabolism ; Carbon/analysis/chemistry ; Carbon Isotopes ; *Ecosystem ; Eukaryotic Cells/chemistry/cytology ; *Fossils ; Geologic Sediments/*microbiology ; History, Ancient ; Oceans and Seas ; Organic Chemicals/*analysis/chemistry ; *Phylogeny ; Reproducibility of Results ; Seawater/*microbiology ; South Africa ; Spectrum Analysis, Raman ; Sunlight
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2010-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Javitt, Gail -- England -- Nature. 2010 Aug 12;466(7308):817-8. doi: 10.1038/466817a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Berman Institute of Bioethics, Johns Hopkins University, USA. gjavitt1@jhu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20703288" target="_blank"〉PubMed〈/a〉
    Keywords: *Consumer Advocacy ; Genetic Counseling/*legislation & jurisprudence/standards ; Genetic Predisposition to Disease/*genetics ; Genetic Testing/*legislation & jurisprudence/*standards ; *Government Regulation ; Humans ; Marketing ; Reproducibility of Results ; United States ; United States Food and Drug Administration/legislation & jurisprudence
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2010-11-26
    Description: In physiological settings, nucleic-acid translocases must act on substrates occupied by other proteins, and an increasingly appreciated role of translocases is to catalyse protein displacement from RNA and DNA. However, little is known regarding the inevitable collisions that must occur, and the fate of protein obstacles and the mechanisms by which they are evicted from DNA remain unexplored. Here we sought to establish the mechanistic basis for protein displacement from DNA using RecBCD as a model system. Using nanofabricated curtains of DNA and multicolour single-molecule microscopy, we visualized collisions between a model translocase and different DNA-bound proteins in real time. We show that the DNA translocase RecBCD can disrupt core RNA polymerase, holoenzymes, stalled elongation complexes and transcribing RNA polymerases in either head-to-head or head-to-tail orientations, as well as EcoRI(E111Q), lac repressor and even nucleosomes. RecBCD did not pause during collisions and often pushed proteins thousands of base pairs before evicting them from DNA. We conclude that RecBCD overwhelms obstacles through direct transduction of chemomechanical force with no need for specific protein-protein interactions, and that proteins can be removed from DNA through active disruption mechanisms that act on a transition state intermediate as they are pushed from one nonspecific site to the next.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3230117/" 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/PMC3230117/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Finkelstein, Ilya J -- Visnapuu, Mari-Liis -- Greene, Eric C -- F32GM80864/GM/NIGMS NIH HHS/ -- GM074739/GM/NIGMS NIH HHS/ -- GM082848/GM/NIGMS NIH HHS/ -- R01 CA146940/CA/NCI NIH HHS/ -- R01 GM074739/GM/NIGMS NIH HHS/ -- R01 GM074739-01A1/GM/NIGMS NIH HHS/ -- R01 GM074739-05/GM/NIGMS NIH HHS/ -- R01 GM082848/GM/NIGMS NIH HHS/ -- R01 GM082848-01A1/GM/NIGMS NIH HHS/ -- R01 GM082848-04/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Dec 16;468(7326):983-7. doi: 10.1038/nature09561. Epub 2010 Nov 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biophysics, Columbia University, New York, New York 10032, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21107319" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteriophage lambda/genetics ; Biocatalysis ; DNA/genetics/*metabolism ; DNA, Viral/genetics/metabolism ; DNA-Binding Proteins/*metabolism ; DNA-Directed RNA Polymerases/chemistry/metabolism ; Deoxyribonuclease EcoRI/metabolism ; Escherichia coli/enzymology ; Exodeoxyribonuclease V/*metabolism ; Holoenzymes/chemistry/metabolism ; Lac Repressors/metabolism ; Microscopy, Fluorescence ; *Movement ; Nucleosomes/metabolism ; Promoter Regions, Genetic/genetics ; Protein Binding ; Quantum Dots ; Time Factors
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    Electronic ISSN: 1476-4687
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  • 5
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    Nature Publishing Group (NPG)
    Publication Date: 2010-09-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2010 Sep 23;467(7314):368. doi: 10.1038/467368a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20864950" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture/*methods ; Animals ; Cattle ; Disease Reservoirs/microbiology/*statistics & numerical data/*veterinary ; *Federal Government ; Great Britain/epidemiology ; *Mustelidae/microbiology ; Reproducibility of Results ; Tuberculosis Vaccines ; Tuberculosis, Bovine/epidemiology/*prevention & control/transmission ; Vaccination/veterinary
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2010-01-16
    Description: Form I Rubisco (ribulose 1,5-bisphosphate carboxylase/oxygenase), a complex of eight large (RbcL) and eight small (RbcS) subunits, catalyses the fixation of atmospheric CO(2) in photosynthesis. The limited catalytic efficiency of Rubisco has sparked extensive efforts to re-engineer the enzyme with the goal of enhancing agricultural productivity. To facilitate such efforts we analysed the formation of cyanobacterial form I Rubisco by in vitro reconstitution and cryo-electron microscopy. We show that RbcL subunit folding by the GroEL/GroES chaperonin is tightly coupled with assembly mediated by the chaperone RbcX(2). RbcL monomers remain partially unstable and retain high affinity for GroEL until captured by RbcX(2). As revealed by the structure of a RbcL(8)-(RbcX(2))(8) assembly intermediate, RbcX(2) acts as a molecular staple in stabilizing the RbcL subunits as dimers and facilitates RbcL(8) core assembly. Finally, addition of RbcS results in RbcX(2) release and holoenzyme formation. Specific assembly chaperones may be required more generally in the formation of complex oligomeric structures when folding is closely coupled to assembly.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Cuimin -- Young, Anna L -- Starling-Windhof, Amanda -- Bracher, Andreas -- Saschenbrecker, Sandra -- Rao, Bharathi Vasudeva -- Rao, Karnam Vasudeva -- Berninghausen, Otto -- Mielke, Thorsten -- Hartl, F Ulrich -- Beckmann, Roland -- Hayer-Hartl, Manajit -- England -- Nature. 2010 Jan 14;463(7278):197-202. doi: 10.1038/nature08651.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cellular Biochemistry, Max Planck Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20075914" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/chemistry/metabolism ; Chaperonin 10/metabolism ; Chaperonin 60/metabolism ; Cryoelectron Microscopy ; Holoenzymes/chemistry/metabolism ; Models, Molecular ; Molecular Chaperones/chemistry/*metabolism ; Protein Binding ; *Protein Folding ; *Protein Multimerization ; Protein Structure, Quaternary ; Protein Structure, Tertiary ; Ribulose-Bisphosphate Carboxylase/*chemistry/*metabolism/ultrastructure ; Synechococcus/*chemistry/metabolism
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  • 7
    Publication Date: 2010-04-03
    Description: Jasmonoyl-isoleucine (JA-Ile) is a plant hormone that regulates a broad array of plant defence and developmental processes. JA-Ile-responsive gene expression is regulated by the transcriptional activator MYC2 that interacts physically with the jasmonate ZIM-domain (JAZ) repressor proteins. On perception of JA-Ile, JAZ proteins are degraded and JA-Ile-dependent gene expression is activated. The molecular mechanisms by which JAZ proteins repress gene expression remain unknown. Here we show that the Arabidopsis JAZ proteins recruit the Groucho/Tup1-type co-repressor TOPLESS (TPL) and TPL-related proteins (TPRs) through a previously uncharacterized adaptor protein, designated Novel Interactor of JAZ (NINJA). NINJA acts as a transcriptional repressor whose activity is mediated by a functional TPL-binding EAR repression motif. Accordingly, both NINJA and TPL proteins function as negative regulators of jasmonate responses. Our results point to TPL proteins as general co-repressors that affect multiple signalling pathways through the interaction with specific adaptor proteins. This new insight reveals how stress-related and growth-related signalling cascades use common molecular mechanisms to regulate gene expression in plants.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2849182/" 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/PMC2849182/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pauwels, Laurens -- Barbero, Gemma Fernandez -- Geerinck, Jan -- Tilleman, Sofie -- Grunewald, Wim -- Perez, Amparo Cuellar -- Chico, Jose Manuel -- Bossche, Robin Vanden -- Sewell, Jared -- Gil, Eduardo -- Garcia-Casado, Gloria -- Witters, Erwin -- Inze, Dirk -- Long, Jeff A -- De Jaeger, Geert -- Solano, Roberto -- Goossens, Alain -- R01 GM072764/GM/NIGMS NIH HHS/ -- R01 GM072764-06/GM/NIGMS NIH HHS/ -- England -- Nature. 2010 Apr 1;464(7289):788-91. doi: 10.1038/nature08854.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Systems Biology, Flanders Institute for Biotechnology (VIB), Technologiepark 927, B-9052 Gent, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360743" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/cytology/*drug effects/*metabolism ; Arabidopsis Proteins/genetics/*metabolism ; Cyclopentanes/antagonists & inhibitors/*pharmacology ; Gene Expression Profiling ; Gene Expression Regulation, Plant ; Models, Biological ; Oxylipins/antagonists & inhibitors/*pharmacology ; Plants, Genetically Modified ; Protein Binding ; Repressor Proteins/genetics/*metabolism ; Signal Transduction/*drug effects ; Two-Hybrid System Techniques
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  • 8
    Publication Date: 2010-01-30
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4456675/" 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/PMC4456675/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berman, Helen M -- Kleywegt, Gerard J -- Nakamura, Haruki -- Markley, John L -- Burley, Stephen K -- P41 LM005799/LM/NLM NIH HHS/ -- England -- Nature. 2010 Jan 28;463(7280):425. doi: 10.1038/463425c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20110969" target="_blank"〉PubMed〈/a〉
    Keywords: Databases, Protein/*ethics/*standards ; Ethics, Research ; Reproducibility of Results ; Scientific Misconduct
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  • 9
    Publication Date: 2010-10-12
    Description: Jasmonates are a family of plant hormones that regulate plant growth, development and responses to stress. The F-box protein CORONATINE INSENSITIVE 1 (COI1) mediates jasmonate signalling by promoting hormone-dependent ubiquitylation and degradation of transcriptional repressor JAZ proteins. Despite its importance, the mechanism of jasmonate perception remains unclear. Here we present structural and pharmacological data to show that the true Arabidopsis jasmonate receptor is a complex of both COI1 and JAZ. COI1 contains an open pocket that recognizes the bioactive hormone (3R,7S)-jasmonoyl-l-isoleucine (JA-Ile) with high specificity. High-affinity hormone binding requires a bipartite JAZ degron sequence consisting of a conserved alpha-helix for COI1 docking and a loop region to trap the hormone in its binding pocket. In addition, we identify a third critical component of the jasmonate co-receptor complex, inositol pentakisphosphate, which interacts with both COI1 and JAZ adjacent to the ligand. Our results unravel the mechanism of jasmonate perception and highlight the ability of F-box proteins to evolve as multi-component signalling hubs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2988090/" 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/PMC2988090/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sheard, Laura B -- Tan, Xu -- Mao, Haibin -- Withers, John -- Ben-Nissan, Gili -- Hinds, Thomas R -- Kobayashi, Yuichi -- Hsu, Fong-Fu -- Sharon, Michal -- Browse, John -- He, Sheng Yang -- Rizo, Josep -- Howe, Gregg A -- Zheng, Ning -- P30 DK056341/DK/NIDDK NIH HHS/ -- P30 DK056341-10/DK/NIDDK NIH HHS/ -- R01 AI068718/AI/NIAID NIH HHS/ -- R01 AI068718-04/AI/NIAID NIH HHS/ -- R01 CA107134/CA/NCI NIH HHS/ -- R01 CA107134-07/CA/NCI NIH HHS/ -- R01 GM057795/GM/NIGMS NIH HHS/ -- R01 GM057795-12/GM/NIGMS NIH HHS/ -- R01AI068718/AI/NIAID NIH HHS/ -- R01GM57795/GM/NIGMS NIH HHS/ -- T32 GM07270/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2010 Nov 18;468(7322):400-5. doi: 10.1038/nature09430. Epub 2010 Oct 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Box 357280, University of Washington, Seattle, Washington 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20927106" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Amino Acids/chemistry/metabolism ; Arabidopsis/chemistry/metabolism ; Arabidopsis Proteins/*chemistry/*metabolism ; Binding Sites ; Crystallography, X-Ray ; Cyclopentanes/chemistry/*metabolism ; F-Box Proteins/chemistry/metabolism ; Indenes/chemistry/metabolism ; Inositol Phosphates/*metabolism ; Isoleucine/analogs & derivatives/chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Oxylipins/chemistry/*metabolism ; Peptide Fragments/chemistry/metabolism ; Plant Growth Regulators/chemistry/*metabolism ; Protein Binding ; Protein Structure, Tertiary ; Repressor Proteins/*chemistry/*metabolism ; Signal Transduction
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  • 10
    Publication Date: 2010-07-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Deborah -- Carter, Philip -- England -- Nature. 2010 Jul 15;466(7304):315. doi: 10.1038/466315a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20631779" target="_blank"〉PubMed〈/a〉
    Keywords: *Conflict of Interest ; *Drug Industry ; Humans ; *Influenza A Virus, H1N1 Subtype ; Influenza Vaccines/*supply & distribution ; Influenza, Human/*epidemiology/prevention & control/virology ; Reproducibility of Results ; Time Factors ; *Vaccination ; *World Health Organization
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