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  • United States  (166)
  • Molecular Sequence Data  (110)
  • Cell Line  (63)
  • American Association for the Advancement of Science (AAAS)  (322)
  • American Association of Petroleum Geologists (AAPG)
  • Bonn: Institute of Labor Economics (IZA)
  • The International Collective in Support of Fishworkers (ICSF)
  • 2005-2009  (322)
  • 2007  (322)
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  • American Association for the Advancement of Science (AAAS)  (322)
  • American Association of Petroleum Geologists (AAPG)
  • Bonn: Institute of Labor Economics (IZA)
  • The International Collective in Support of Fishworkers (ICSF)
  • Nature Publishing Group (NPG)  (1)
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  • 2005-2009  (322)
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  • 1
    Publication Date: 2007-01-06
    Description: We have designed a microfluidic device in which we can manipulate, lyse, label, separate, and quantify the protein contents of a single cell using single-molecule fluorescence counting. Generic labeling of proteins is achieved through fluorescent-antibody binding. The use of cylindrical optics enables high-efficiency (approximately 60%) counting of molecules in micrometer-sized channels. We used this microfluidic device to quantify beta2 adrenergic receptors expressed in insect cells (SF9). We also analyzed phycobiliprotein contents in individual cyanobacterial cells (Synechococcus sp. PCC 7942) and observed marked differences in the levels of specific complexes in cell populations that were grown under nitrogen-depleted conditions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Bo -- Wu, Hongkai -- Bhaya, Devaki -- Grossman, Arthur -- Granier, Sebastien -- Kobilka, Brian K -- Zare, Richard N -- New York, N.Y. -- Science. 2007 Jan 5;315(5808):81-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Stanford University, Stanford, CA 94305-5080, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17204646" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Bacterial Proteins/*analysis ; Bacteriolysis ; Carbocyanines ; Cell Line ; Culture Media ; Fluorescence ; Fluorescent Antibody Technique ; Fluorescent Dyes ; Humans ; Lasers ; *Microfluidic Analytical Techniques/instrumentation ; Microfluidics ; Nitrogen/metabolism ; Optics and Photonics ; Phycobilisomes/metabolism ; Phycocyanin/*analysis ; Receptors, Adrenergic, beta-2/*analysis ; Synechococcus/*chemistry/growth & development/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2007-09-29
    Description: The CCR5 co-receptor binds to the HIV-1 gp120 envelope glycoprotein and facilitates HIV-1 entry into cells. Its N terminus is tyrosine-sulfated, as are many antibodies that react with the co-receptor binding site on gp120. We applied nuclear magnetic resonance and crystallographic techniques to analyze the structure of the CCR5 N terminus and that of the tyrosine-sulfated antibody 412d in complex with gp120 and CD4. The conformations of tyrosine-sulfated regions of CCR5 (alpha-helix) and 412d (extended loop) are surprisingly different. Nonetheless, a critical sulfotyrosine on CCR5 and on 412d induces similar structural rearrangements in gp120. These results now provide a framework for understanding HIV-1 interactions with the CCR5 N terminus during viral entry and define a conserved site on gp120, whose recognition of sulfotyrosine engenders posttranslational mimicry by the immune system.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2278242/" 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/PMC2278242/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Chih-Chin -- Lam, Son N -- Acharya, Priyamvada -- Tang, Min -- Xiang, Shi-Hua -- Hussan, Syed Shahzad-Ul -- Stanfield, Robyn L -- Robinson, James -- Sodroski, Joseph -- Wilson, Ian A -- Wyatt, Richard -- Bewley, Carole A -- Kwong, Peter D -- P30 AI060354/AI/NIAID NIH HHS/ -- U19 AI067854/AI/NIAID NIH HHS/ -- U19 AI067854-03/AI/NIAID NIH HHS/ -- Z99 AI999999/Intramural NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 28;317(5846):1930-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17901336" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD4/*chemistry/immunology ; Crystallography, X-Ray ; HIV Antibodies/*chemistry/immunology ; HIV Envelope Protein gp120/*chemistry/immunology/metabolism ; HIV-1/metabolism ; Humans ; Models, Molecular ; Molecular Mimicry ; Molecular Sequence Data ; Nuclear Magnetic Resonance, Biomolecular ; Peptide Fragments/chemistry/metabolism ; Receptors, CCR5/*chemistry/metabolism ; Sulfates/metabolism ; Tyrosine/metabolism ; Virus Internalization
    Print ISSN: 0036-8075
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  • 3
    Publication Date: 2007-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, Robert F -- New York, N.Y. -- Science. 2007 Mar 30;315(5820):1785-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17395805" target="_blank"〉PubMed〈/a〉
    Keywords: Biological Products/*chemical synthesis ; Chemistry, Organic/history/methods ; History, 20th Century ; History, 21st Century ; United States
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  • 4
    Publication Date: 2007-08-04
    Description: In flowering plants, signaling between the male pollen tube and the synergid cells of the female gametophyte is required for fertilization. In the Arabidopsis thaliana mutant feronia (fer), fertilization is impaired; the pollen tube fails to arrest and thus continues to grow inside the female gametophyte. FER encodes a synergid-expressed, plasma membrane-localized receptor-like kinase. We found that the FER protein accumulates asymmetrically in the synergid membrane at the filiform apparatus. Interspecific crosses using pollen from Arabidopsis lyrata and Cardamine flexuosa on A. thaliana stigmas resulted in a fer-like phenotype that correlates with sequence divergence in the extracellular domain of FER. Our findings show that the female control of pollen tube reception is based on a FER-dependent signaling pathway, which may play a role in reproductive isolation barriers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Escobar-Restrepo, Juan-Miguel -- Huck, Norbert -- Kessler, Sharon -- Gagliardini, Valeria -- Gheyselinck, Jacqueline -- Yang, Wei-Cai -- Grossniklaus, Ueli -- New York, N.Y. -- Science. 2007 Aug 3;317(5838):656-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Plant Biology and Zurich-Basel Plant Science Center, University of Zurich, Zollikerstrasse 107, CH-8008 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17673660" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/enzymology/genetics/*physiology ; Arabidopsis Proteins/chemistry/*genetics/*metabolism ; Brassicaceae/genetics/physiology ; Cell Membrane/enzymology ; Crosses, Genetic ; Evolution, Molecular ; Flowers/cytology/enzymology/*physiology ; Gene Expression ; Genes, Plant ; Germination ; Ligands ; Molecular Sequence Data ; Mutation ; Phosphorylation ; Phosphotransferases/chemistry/*genetics/*metabolism ; Plant Epidermis/enzymology ; Pollen Tube/growth & development/*physiology ; Recombinant Fusion Proteins/metabolism ; Reproduction ; Seeds/growth & development ; Signal Transduction ; Species Specificity
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-02-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Service, Robert F -- New York, N.Y. -- Science. 2007 Feb 16;315(5814):926.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17303726" target="_blank"〉PubMed〈/a〉
    Keywords: *Environment ; Financing, Government ; *Nanotechnology ; *Research Support as Topic ; Safety ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2007-05-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, Robert -- New York, N.Y. -- Science. 2007 May 4;316(5825):684-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17478696" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research/economics ; Emigration and Immigration ; Humans ; Inflation, Economic ; International Cooperation ; National Institutes of Health (U.S.) ; Politics ; *Research/economics ; *Research Personnel ; Research Support as Topic ; United States ; Zimbabwe
    Print ISSN: 0036-8075
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  • 7
    Publication Date: 2007-08-04
    Description: BtuCD is an adenosine triphosphate-binding cassette (ABC) transporter that translocates vitamin B12 from the periplasmic binding protein BtuF into the cytoplasm of Escherichia coli. The 2.6 angstrom crystal structure of a complex BtuCD-F reveals substantial conformational changes as compared with the previously reported structures of BtuCD and BtuF. The lobes of BtuF are spread apart, and B12 is displaced from the binding pocket. The transmembrane BtuC subunits reveal two distinct conformations, and the translocation pathway is closed to both sides of the membrane. Electron paramagnetic resonance spectra of spin-labeled cysteine mutants reconstituted in proteoliposomes are consistent with the conformation of BtuCD-F that was observed in the crystal structure. A comparison with BtuCD and the homologous HI1470/71 protein suggests that the structure of BtuCD-F may reflect a posttranslocation intermediate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hvorup, Rikki N -- Goetz, Birke A -- Niederer, Martina -- Hollenstein, Kaspar -- Perozo, Eduardo -- Locher, Kaspar P -- New York, N.Y. -- Science. 2007 Sep 7;317(5843):1387-90. Epub 2007 Aug 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Biology and Biophysics, ETH Zurich, HPK D14.3, 8093 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17673622" target="_blank"〉PubMed〈/a〉
    Keywords: ATP-Binding Cassette Transporters/*chemistry ; Amino Acid Sequence ; Crystallography, X-Ray ; Electron Spin Resonance Spectroscopy ; Escherichia coli ; Escherichia coli Proteins/*chemistry ; Models, Molecular ; Molecular Sequence Data ; Periplasmic Binding Proteins/*chemistry ; Protein Binding ; Protein Conformation ; Recombinant Fusion Proteins/chemistry
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  • 8
    Publication Date: 2007-10-27
    Description: We report the cloning of Style2.1, the major quantitative trait locus responsible for a key floral attribute (style length) associated with the evolution of self-pollination in cultivated tomatoes. The gene encodes a putative transcription factor that regulates cell elongation in developing styles. The transition from cross-pollination to self-pollination was accompanied, not by a change in the STYLE2.1 protein, but rather by a mutation in the Style2.1 promoter that results in a down-regulation of Style2.1 expression during flower development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Kai-Yi -- Cong, Bin -- Wing, Rod -- Vrebalov, Julia -- Tanksley, Steven D -- New York, N.Y. -- Science. 2007 Oct 26;318(5850):643-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Breeding and Genetics, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962563" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Biological Evolution ; Chromosome Mapping ; Cloning, Molecular ; Crosses, Genetic ; Down-Regulation ; Flowers/*anatomy & histology/genetics/growth & development ; Genes, Plant ; Genotype ; Helix-Loop-Helix Motifs ; Lycopersicon esculentum/anatomy & histology/*genetics/*physiology ; Molecular Sequence Data ; Plant Proteins/chemistry/*genetics/metabolism ; Pollen/physiology ; Promoter Regions, Genetic ; Quantitative Trait Loci ; Reproduction ; Sequence Deletion ; Transcription Factors/chemistry/*genetics/metabolism ; Transformation, Genetic
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2007-06-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- New York, N.Y. -- Science. 2007 Jun 15;316(5831):1553.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569833" target="_blank"〉PubMed〈/a〉
    Keywords: American Medical Association ; Animals ; Humans ; *Interdisciplinary Communication ; *Medicine ; Societies ; United States ; *Veterinary Medicine ; Zoonoses
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  • 10
    Publication Date: 2007-04-14
    Description: A systematic fluorescence in situ hybridization comparison of macaque and human synteny organization disclosed five additional macaque evolutionary new centromeres (ENCs) for a total of nine ENCs. To understand the dynamics of ENC formation and progression, we compared the ENC of macaque chromosome 4 with the human orthologous region, at 6q24.3, that conserves the ancestral genomic organization. A 250-kilobase segment was extensively duplicated around the macaque centromere. These duplications were strictly intrachromosomal. Our results suggest that novel centromeres may trigger only local duplication activity and that the absence of genes in the seeding region may have been important in ENC maintenance and progression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ventura, Mario -- Antonacci, Francesca -- Cardone, Maria Francesca -- Stanyon, Roscoe -- D'Addabbo, Pietro -- Cellamare, Angelo -- Sprague, L James -- Eichler, Evan E -- Archidiacono, Nicoletta -- Rocchi, Mariano -- GM58815/GM/NIGMS NIH HHS/ -- HG002385/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2007 Apr 13;316(5822):243-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Microbiology, University of Bari, 70126 Bari, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17431171" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Centromere ; Chromosomes, Human, Pair 6 ; Dna ; *Evolution, Molecular ; Gene Duplication ; Humans ; Macaca mulatta/*genetics ; Molecular Sequence Data ; Sequence Tagged Sites ; Synteny
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-22
    Description: Climate change, a perennial runner-up for Breakthrough of the Year, broke from the pack this year--both in the pages of this section and in the public arena.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kintisch, Eli -- Kerr, Richard A -- New York, N.Y. -- Science. 2007 Dec 21;318(5858):1846-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18096774" target="_blank"〉PubMed〈/a〉
    Keywords: *Greenhouse Effect ; Politics ; United Nations ; United States
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  • 12
    Publication Date: 2007-03-24
    Description: Clustered regularly interspaced short palindromic repeats (CRISPR) are a distinctive feature of the genomes of most Bacteria and Archaea and are thought to be involved in resistance to bacteriophages. We found that, after viral challenge, bacteria integrated new spacers derived from phage genomic sequences. Removal or addition of particular spacers modified the phage-resistance phenotype of the cell. Thus, CRISPR, together with associated cas genes, provided resistance against phages, and resistance specificity is determined by spacer-phage sequence similarity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barrangou, Rodolphe -- Fremaux, Christophe -- Deveau, Helene -- Richards, Melissa -- Boyaval, Patrick -- Moineau, Sylvain -- Romero, Dennis A -- Horvath, Philippe -- New York, N.Y. -- Science. 2007 Mar 23;315(5819):1709-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Danisco USA Inc., 3329 Agriculture Drive, Madison, WI 53716, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17379808" target="_blank"〉PubMed〈/a〉
    Keywords: DNA, Bacterial/genetics ; DNA, Intergenic/*genetics ; Evolution, Molecular ; *Genes, Bacterial ; Genome, Viral ; Molecular Sequence Data ; Mutation ; Polymorphism, Single Nucleotide ; *Repetitive Sequences, Nucleic Acid ; Streptococcus Phages/genetics/*physiology ; Streptococcus thermophilus/*genetics/*virology ; Viral Plaque Assay ; Virus Replication
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
    Publication Date: 2007-04-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2007 Apr 6;316(5821):30-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17412923" target="_blank"〉PubMed〈/a〉
    Keywords: Administrative Personnel ; *Budgets ; Financing, Government ; *Museums ; Natural History ; *Research ; Research Support as Topic ; United States
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-02-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shneiderman, Ben -- Preece, Jennifer -- New York, N.Y. -- Science. 2007 Feb 16;315(5814):944.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Human-Computer Interaction Laboratory, Department of Computer Science, University of Maryland, College Park, MD 20742, USA. ben@cs.umd.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17303738" target="_blank"〉PubMed〈/a〉
    Keywords: *Disaster Planning ; *Disasters ; Government ; *Internet ; Telephone ; United States
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  • 15
    Publication Date: 2007-08-19
    Description: Recent advances in far-field optical nanoscopy have enabled fluorescence imaging with a spatial resolution of 20 to 50 nanometers. Multicolor super-resolution imaging, however, remains a challenging task. Here, we introduce a family of photo-switchable fluorescent probes and demonstrate multicolor stochastic optical reconstruction microscopy (STORM). Each probe consists of a photo-switchable "reporter" fluorophore that can be cycled between fluorescent and dark states, and an "activator" that facilitates photo-activation of the reporter. Combinatorial pairing of reporters and activators allows the creation of probes with many distinct colors. Iterative, color-specific activation of sparse subsets of these probes allows their localization with nanometer accuracy, enabling the construction of a super-resolution STORM image. Using this approach, we demonstrate multicolor imaging of DNA model samples and mammalian cells with 20- to 30-nanometer resolution. This technique will facilitate direct visualization of molecular interactions at the nanometer scale.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2633025/" 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/PMC2633025/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bates, Mark -- Huang, Bo -- Dempsey, Graham T -- Zhuang, Xiaowei -- GM 068518/GM/NIGMS NIH HHS/ -- R01 GM068518/GM/NIGMS NIH HHS/ -- R01 GM068518-05/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 21;317(5845):1749-53. Epub 2007 Aug 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17702910" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cercopithecus aethiops ; Clathrin-Coated Vesicles ; DNA/*analysis ; *DNA Probes ; *Fluorescent Dyes ; Microscopy, Fluorescence/methods ; Microtubules ; Nanotechnology
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-03-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2007 Mar 30;315(5820):1781.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17395803" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Environmental Microbiology ; Europe ; *Genetics, Microbial ; *Genome, Bacterial ; *Genomics ; Humans ; International Cooperation ; National Academy of Sciences (U.S.) ; United States
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  • 17
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-06-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Batich, Christopher -- New York, N.Y. -- Science. 2007 Jun 15;316(5831):1564.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569843" target="_blank"〉PubMed〈/a〉
    Keywords: *Cross-Cultural Comparison ; Humans ; Iraq ; *Military Science ; United States ; *United States Government Agencies ; Warfare
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
    Publication Date: 2007-03-24
    Description: The nucleoporins Nup58 and Nup45 are part of the central transport channel of the nuclear pore complex, which is thought to have a flexible diameter. In the crystal structure of an alpha-helical region of mammalian Nup58/45, we identified distinct tetramers, each consisting of two antiparallel hairpin dimers. The intradimeric interface is hydrophobic, whereas dimer-dimer association occurs through large hydrophilic residues. These residues are laterally displaced in various tetramer conformations, which suggests an intermolecular sliding by 11 angstroms. We propose that circumferential sliding plays a role in adjusting the diameter of the central transport channel.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Melcak, Ivo -- Hoelz, Andre -- Blobel, Gunter -- R01 GM111461/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2007 Mar 23;315(5819):1729-32.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Cell Biology, Howard Hughes Medical Institute, Rockefeller University, 1230 York Avenue, New York, NY 10021, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17379812" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Crystallization ; Crystallography, X-Ray ; Dimerization ; Hydrogen Bonding ; Hydrophobic and Hydrophilic Interactions ; Membrane Glycoproteins/chemistry ; Molecular Sequence Data ; Nuclear Pore Complex Proteins/*chemistry ; Protein Folding ; Protein Structure, Quaternary ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Subunits/chemistry ; Rats ; Static Electricity
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
    Publication Date: 2007-01-06
    Description: Cell migration requires the transmission of motion generated in the actin cytoskeleton to the extracellular environment through a complex assembly of proteins in focal adhesions. We developed correlational fluorescent speckle microscopy to measure the coupling of focal-adhesion proteins to actin filaments. Different classes of focal-adhesion structural and regulatory molecules exhibited varying degrees of correlated motions with actin filaments, indicating hierarchical transmission of actin motion through focal adhesions. Interactions between vinculin, talin, and actin filaments appear to constitute a slippage interface between the cytoskeleton and integrins, generating a molecular clutch that is regulated during the morphodynamic transitions of cell migration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hu, Ke -- Ji, Lin -- Applegate, Kathryn T -- Danuser, Gaudenz -- Waterman-Storer, Clare M -- GM67230/GM/NIGMS NIH HHS/ -- U54GM64346/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2007 Jan 5;315(5808):111-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17204653" target="_blank"〉PubMed〈/a〉
    Keywords: Actin Cytoskeleton/*metabolism ; Actinin/metabolism ; Actins/*metabolism ; Animals ; Cell Line ; Cell Movement ; Extracellular Matrix/metabolism ; Focal Adhesion Protein-Tyrosine Kinases/metabolism ; Focal Adhesions/*metabolism ; Integrin alphaVbeta3/metabolism ; Microfilament Proteins/*metabolism ; Microscopy, Fluorescence ; Monte Carlo Method ; Paxillin/metabolism ; Potoroidae ; Recombinant Fusion Proteins/metabolism ; Talin/metabolism ; Vinculin/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 20
    Publication Date: 2007-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Krajick, Kevin -- New York, N.Y. -- Science. 2007 Jan 19;315(5810):322-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17234927" target="_blank"〉PubMed〈/a〉
    Keywords: Archaea ; Bacteria ; Budgets ; *Ecosystem ; *Exobiology ; Hot Springs/*microbiology ; Jupiter ; Mexico ; Robotics/economics/*instrumentation ; Software ; United States ; United States National Aeronautics and Space Administration/economics ; *Water Microbiology
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  • 21
    Publication Date: 2007-08-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 Aug 17;317(5840):880-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17702914" target="_blank"〉PubMed〈/a〉
    Keywords: Conflict of Interest ; Data Collection ; Financing, Government ; *Peer Review, Research ; *Research Support as Topic ; United States ; *United States Government Agencies
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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-03-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jackson, Richard J -- New York, N.Y. -- Science. 2007 Mar 9;315(5817):1337.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17347416" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Child Welfare ; Ecology ; *Environment ; *Environmental Health ; Humans ; *Public Health ; United States ; United States Government Agencies
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clery, Daniel -- New York, N.Y. -- Science. 2007 Nov 30;318(5855):1374-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18048666" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research ; Europe ; *Research ; Space Flight ; *Spacecraft/economics ; United States ; United States National Aeronautics and Space Administration ; Weightlessness
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  • 24
    Publication Date: 2007-05-26
    Description: The advent of biotechnology-derived, herbicide-resistant crops has revolutionized farming practices in many countries. Facile, highly effective, environmentally sound, and profitable weed control methods have been rapidly adopted by crop producers who value the benefits associated with biotechnology-derived weed management traits. But a rapid rise in the populations of several troublesome weeds that are tolerant or resistant to herbicides currently used in conjunction with herbicide-resistant crops may signify that the useful lifetime of these economically important weed management traits will be cut short. We describe the development of soybean and other broadleaf plant species resistant to dicamba, a widely used, inexpensive, and environmentally safe herbicide. The dicamba resistance technology will augment current herbicide resistance technologies and extend their effective lifetime. Attributes of both nuclear- and chloroplast-encoded dicamba resistance genes that affect the potency and expected durability of the herbicide resistance trait are examined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Behrens, Mark R -- Mutlu, Nedim -- Chakraborty, Sarbani -- Dumitru, Razvan -- Jiang, Wen Zhi -- Lavallee, Bradley J -- Herman, Patricia L -- Clemente, Thomas E -- Weeks, Donald P -- New York, N.Y. -- Science. 2007 May 25;316(5828):1185-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Nebraska, Lincoln, NE 68588, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17525337" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Arabidopsis/drug effects/genetics ; Chloroplasts/genetics ; Dicamba/*pharmacology ; Drug Resistance/genetics ; Genetic Engineering ; Genetic Vectors ; Herbicides/*pharmacology ; Lycopersicon esculentum/drug effects/genetics ; Mixed Function Oxygenases/*genetics/metabolism ; Molecular Sequence Data ; Oxidoreductases, O-Demethylating/metabolism ; Plants, Genetically Modified/drug effects/genetics ; Pseudomonas/enzymology/genetics ; Soybeans/*drug effects/genetics ; Tobacco/drug effects/genetics
    Print ISSN: 0036-8075
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  • 25
    Publication Date: 2007-10-13
    Description: Chlamydomonas reinhardtii is a unicellular green alga whose lineage diverged from land plants over 1 billion years ago. It is a model system for studying chloroplast-based photosynthesis, as well as the structure, assembly, and function of eukaryotic flagella (cilia), which were inherited from the common ancestor of plants and animals, but lost in land plants. We sequenced the approximately 120-megabase nuclear genome of Chlamydomonas and performed comparative phylogenomic analyses, identifying genes encoding uncharacterized proteins that are likely associated with the function and biogenesis of chloroplasts or eukaryotic flagella. Analyses of the Chlamydomonas genome advance our understanding of the ancestral eukaryotic cell, reveal previously unknown genes associated with photosynthetic and flagellar functions, and establish links between ciliopathy and the composition and function of flagella.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2875087/" 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/PMC2875087/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merchant, Sabeeha S -- Prochnik, Simon E -- Vallon, Olivier -- Harris, Elizabeth H -- Karpowicz, Steven J -- Witman, George B -- Terry, Astrid -- Salamov, Asaf -- Fritz-Laylin, Lillian K -- Marechal-Drouard, Laurence -- Marshall, Wallace F -- Qu, Liang-Hu -- Nelson, David R -- Sanderfoot, Anton A -- Spalding, Martin H -- Kapitonov, Vladimir V -- Ren, Qinghu -- Ferris, Patrick -- Lindquist, Erika -- Shapiro, Harris -- Lucas, Susan M -- Grimwood, Jane -- Schmutz, Jeremy -- Cardol, Pierre -- Cerutti, Heriberto -- Chanfreau, Guillaume -- Chen, Chun-Long -- Cognat, Valerie -- Croft, Martin T -- Dent, Rachel -- Dutcher, Susan -- Fernandez, Emilio -- Fukuzawa, Hideya -- Gonzalez-Ballester, David -- Gonzalez-Halphen, Diego -- Hallmann, Armin -- Hanikenne, Marc -- Hippler, Michael -- Inwood, William -- Jabbari, Kamel -- Kalanon, Ming -- Kuras, Richard -- Lefebvre, Paul A -- Lemaire, Stephane D -- Lobanov, Alexey V -- Lohr, Martin -- Manuell, Andrea -- Meier, Iris -- Mets, Laurens -- Mittag, Maria -- Mittelmeier, Telsa -- Moroney, James V -- Moseley, Jeffrey -- Napoli, Carolyn -- Nedelcu, Aurora M -- Niyogi, Krishna -- Novoselov, Sergey V -- Paulsen, Ian T -- Pazour, Greg -- Purton, Saul -- Ral, Jean-Philippe -- Riano-Pachon, Diego Mauricio -- Riekhof, Wayne -- Rymarquis, Linda -- Schroda, Michael -- Stern, David -- Umen, James -- Willows, Robert -- Wilson, Nedra -- Zimmer, Sara Lana -- Allmer, Jens -- Balk, Janneke -- Bisova, Katerina -- Chen, Chong-Jian -- Elias, Marek -- Gendler, Karla -- Hauser, Charles -- Lamb, Mary Rose -- Ledford, Heidi -- Long, Joanne C -- Minagawa, Jun -- Page, M Dudley -- Pan, Junmin -- Pootakham, Wirulda -- Roje, Sanja -- Rose, Annkatrin -- Stahlberg, Eric -- Terauchi, Aimee M -- Yang, Pinfen -- Ball, Steven -- Bowler, Chris -- Dieckmann, Carol L -- Gladyshev, Vadim N -- Green, Pamela -- Jorgensen, Richard -- Mayfield, Stephen -- Mueller-Roeber, Bernd -- Rajamani, Sathish -- Sayre, Richard T -- Brokstein, Peter -- Dubchak, Inna -- Goodstein, David -- Hornick, Leila -- Huang, Y Wayne -- Jhaveri, Jinal -- Luo, Yigong -- Martinez, Diego -- Ngau, Wing Chi Abby -- Otillar, Bobby -- Poliakov, Alexander -- Porter, Aaron -- Szajkowski, Lukasz -- Werner, Gregory -- Zhou, Kemin -- Grigoriev, Igor V -- Rokhsar, Daniel S -- Grossman, Arthur R -- GM07185/GM/NIGMS NIH HHS/ -- GM42143/GM/NIGMS NIH HHS/ -- R01 GM032843/GM/NIGMS NIH HHS/ -- R01 GM042143/GM/NIGMS NIH HHS/ -- R01 GM042143-09/GM/NIGMS NIH HHS/ -- R01 GM060992/GM/NIGMS NIH HHS/ -- R01 GM062915-06/GM/NIGMS NIH HHS/ -- R37 GM030626/GM/NIGMS NIH HHS/ -- R37 GM042143/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2007 Oct 12;318(5848):245-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of California at Los Angeles, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17932292" target="_blank"〉PubMed〈/a〉
    Keywords: Algal Proteins/*genetics/*physiology ; Animals ; *Biological Evolution ; Chlamydomonas reinhardtii/*genetics/physiology ; Chloroplasts/metabolism ; Computational Biology ; DNA, Algal/genetics ; Flagella/metabolism ; Genes ; *Genome ; Genomics ; Membrane Transport Proteins/genetics/physiology ; Molecular Sequence Data ; Multigene Family ; Photosynthesis/genetics ; Phylogeny ; Plants/genetics ; Proteome ; Sequence Analysis, DNA
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  • 26
    Publication Date: 2007-04-14
    Description: We report crystal structures of the 2.6-megadalton alpha6beta6 heterododecameric fatty acid synthase from Thermomyces lanuginosus at 3.1 angstrom resolution. The alpha and beta polypeptide chains form the six catalytic domains required for fatty acid synthesis and numerous expansion segments responsible for extensive intersubunit connections. Detailed views of all active sites provide insights into substrate specificities and catalytic mechanisms and reveal their unique characteristics, which are due to the integration into the multienzyme. The mode of acyl carrier protein attachment in the reaction chamber, together with the spatial distribution of active sites, suggests that iterative substrate shuttling is achieved by a relatively restricted circular motion of the carrier domain in the multifunctional enzyme.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jenni, Simon -- Leibundgut, Marc -- Boehringer, Daniel -- Frick, Christian -- Mikolasek, Bohdan -- Ban, Nenad -- New York, N.Y. -- Science. 2007 Apr 13;316(5822):254-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Molecular Biology and Biophysics, ETH Zurich, 8092 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17431175" target="_blank"〉PubMed〈/a〉
    Keywords: 3-Oxoacyl-(Acyl-Carrier-Protein) Synthase/metabolism ; Acetyltransferases/metabolism ; Acyl Carrier Protein/chemistry/metabolism/ultrastructure ; Acyltransferases/metabolism ; Amino Acid Sequence ; Ascomycota/*enzymology ; Catalytic Domain ; Crystallography, X-Ray ; Enoyl-(Acyl-Carrier-Protein) Reductase (NADH)/metabolism ; Fatty Acid Synthases/*chemistry/metabolism ; Fungal Proteins/*chemistry/metabolism ; Hydro-Lyases/metabolism ; Models, Molecular ; Molecular Sequence Data ; NADP/chemistry ; Protein Conformation ; Protein Subunits/chemistry ; Substrate Specificity
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  • 27
    Publication Date: 2007-03-31
    Description: Plastid-to-nucleus retrograde signaling coordinates nuclear gene expression with chloroplast function and is essential for the photoautotrophic life-style of plants. Three retrograde signals have been described, but little is known of their signaling pathways. We show here that GUN1, a chloroplast-localized pentatricopeptide-repeat protein, and ABI4, an Apetala 2 (AP2)-type transcription factor, are common to all three pathways. ABI4 binds the promoter of a retrograde-regulated gene through a conserved motif found in close proximity to a light-regulatory element. We propose a model in which multiple indicators of aberrant plastid function in Arabidopsis are integrated upstream of GUN1 within plastids, which leads to ABI4-mediated repression of nuclear-encoded genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koussevitzky, Shai -- Nott, Ajit -- Mockler, Todd C -- Hong, Fangxin -- Sachetto-Martins, Gilberto -- Surpin, Marci -- Lim, Jason -- Mittler, Ron -- Chory, Joanne -- DRG-1865-05/PHS HHS/ -- F32 GM 18172/GM/NIGMS NIH HHS/ -- F32 GM 69090/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2007 May 4;316(5825):715-9. Epub 2007 Mar 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17395793" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid ; Amino Acid Motifs ; Amino Acid Sequence ; Arabidopsis/genetics/*metabolism ; Arabidopsis Proteins/chemistry/genetics/*metabolism ; Cell Nucleus/*metabolism/*microbiology ; Chloroplasts/*metabolism ; DNA, Plant/metabolism ; DNA-Binding Proteins/chemistry/genetics/*metabolism ; Electron Transport ; *Gene Expression Regulation, Plant ; Light-Harvesting Protein Complexes/genetics ; Lincomycin/pharmacology ; Models, Biological ; Molecular Sequence Data ; Oligonucleotide Array Sequence Analysis ; Plants, Genetically Modified ; Promoter Regions, Genetic ; Protoporphyrins/metabolism ; Pyridazines/pharmacology ; Signal Transduction ; Transcription Factors/*metabolism
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  • 28
    Publication Date: 2007-08-19
    Description: In Gram-negative bacteria and eukaryotic organelles, beta-barrel proteins of the outer membrane protein 85-two-partner secretion B (Omp85-TpsB) superfamily are essential components of protein transport machineries. The TpsB transporter FhaC mediates the secretion of Bordetella pertussis filamentous hemagglutinin (FHA). We report the 3.15 A crystal structure of FhaC. The transporter comprises a 16-stranded beta barrel that is occluded by an N-terminal alpha helix and an extracellular loop and a periplasmic module composed of two aligned polypeptide-transport-associated (POTRA) domains. Functional data reveal that FHA binds to the POTRA 1 domain via its N-terminal domain and likely translocates the adhesin-repeated motifs in an extended hairpin conformation, with folding occurring at the cell surface. General features of the mechanism obtained here are likely to apply throughout the superfamily.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clantin, Bernard -- Delattre, Anne-Sophie -- Rucktooa, Prakash -- Saint, Nathalie -- Meli, Albano C -- Locht, Camille -- Jacob-Dubuisson, Francoise -- Villeret, Vincent -- New York, N.Y. -- Science. 2007 Aug 17;317(5840):957-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UMR8161 CNRS, Institut de Biologie de Lille, Universite de Lille 1, Universite de Lille 2, 1 rue du Prof. Calmette, F-59021 Lille cedex, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17702945" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesins, Bacterial/chemistry/*metabolism ; Amino Acid Motifs ; Amino Acid Sequence ; Bacterial Outer Membrane Proteins/*chemistry/genetics/*metabolism ; Bordetella pertussis/*chemistry/metabolism ; Cell Membrane/metabolism ; Crystallography, X-Ray ; Hydrophobic and Hydrophilic Interactions ; Lipid Bilayers/chemistry/metabolism ; Membrane Transport Proteins/chemistry/metabolism ; Models, Biological ; Models, Molecular ; Molecular Sequence Data ; Mutagenesis, Site-Directed ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Protein Transport ; Virulence Factors, Bordetella/chemistry/*metabolism
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  • 29
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Werner, Milton H -- New York, N.Y. -- Science. 2007 Apr 13;316(5822):198-200; author reply 198-200.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17436447" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/economics ; *Financing, Government ; Forecasting ; National Institutes of Health (U.S.)/*economics ; Research Personnel/supply & distribution ; *Research Support as Topic ; United States
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  • 30
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 Nov 30;318(5855):1365-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18048660" target="_blank"〉PubMed〈/a〉
    Keywords: *Community-Institutional Relations ; Pilot Projects ; *Science ; United States ; *United States Government Agencies
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  • 31
    Publication Date: 2007-12-15
    Description: The assimilation of carbon dioxide (CO2) into organic material is quantitatively the most important biosynthetic process. We discovered that an autotrophic member of the archaeal order Sulfolobales, Metallosphaera sedula, fixed CO2 with acetyl-coenzyme A (acetyl-CoA)/propionyl-CoA carboxylase as the key carboxylating enzyme. In this system, one acetyl-CoA and two bicarbonate molecules were reductively converted via 3-hydroxypropionate to succinyl-CoA. This intermediate was reduced to 4-hydroxybutyrate and converted into two acetyl-CoA molecules via 4-hydroxybutyryl-CoA dehydratase. The key genes of this pathway were found not only in Metallosphaera but also in Sulfolobus, Archaeoglobus, and Cenarchaeum species. Moreover, the Global Ocean Sampling database contains half as many 4-hydroxybutyryl-CoA dehydratase sequences as compared with those found for another key photosynthetic CO2-fixing enzyme, ribulose-1,5-bisphosphate carboxylase-oxygenase. This indicates the importance of this enzyme in global carbon cycling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berg, Ivan A -- Kockelkorn, Daniel -- Buckel, Wolfgang -- Fuchs, Georg -- New York, N.Y. -- Science. 2007 Dec 14;318(5857):1782-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mikrobiologie, Fakultat Biologie, Universitat Freiburg, Schanzlestrasse 1, D-79104 Freiburg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18079405" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyl Coenzyme A/metabolism ; Acetyl-CoA Carboxylase/metabolism ; Acyl Coenzyme A/metabolism ; Amino Acid Sequence ; Anaerobiosis ; Archaea/genetics/metabolism ; Autotrophic Processes ; Bicarbonates/metabolism ; Carbon Dioxide/*metabolism ; Genes, Archaeal ; Hydro-Lyases/genetics/metabolism ; Hydroxybutyrates/*metabolism ; Kinetics ; Lactic Acid/*analogs & derivatives/metabolism ; Metabolic Networks and Pathways ; Molecular Sequence Data ; Oxidation-Reduction ; Photosynthesis ; Phylogeny ; Sulfolobaceae/genetics/*metabolism
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  • 32
    Publication Date: 2007-06-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1267.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540867" target="_blank"〉PubMed〈/a〉
    Keywords: *Education ; Program Evaluation/*standards ; *Randomized Controlled Trials as Topic ; United States
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  • 33
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-05-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 May 11;316(5826):817-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17495147" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Financing, Government ; Foundations ; *Fund Raising ; National Institutes of Health (U.S.)/economics ; *Research Support as Topic ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berg, Paul -- Lehman, I R -- New York, N.Y. -- Science. 2007 Dec 7;318(5856):1564.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford University, Stanford, CA 94305, USA. pberg@cmgm.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18063778" target="_blank"〉PubMed〈/a〉
    Keywords: Biochemistry/*history ; History, 20th Century ; History, 21st Century ; Nobel Prize ; United States
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  • 35
    Publication Date: 2007-11-10
    Description: Liu et al. (Reports, 23 March 2007, p. 1712) reported that the Arabidopsis thaliana gene GCR2 encodes a seven-transmembrane, G protein-coupled receptor for abscisic acid. We argue that GCR2 is not likely to be a transmembrane protein nor a G protein-coupled receptor. Instead, GCR2 is most likely a plant homolog of bacterial lanthionine synthetases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnston, Christopher A -- Temple, Brenda R -- Chen, Jin-Gui -- Gao, Yajun -- Moriyama, Etsuko N -- Jones, Alan M -- Siderovski, David P -- Willard, Francis S -- New York, N.Y. -- Science. 2007 Nov 9;318(5852):914; author reply 914.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of North Carolina, Chapel Hill, NC 27599, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17991845" target="_blank"〉PubMed〈/a〉
    Keywords: Abscisic Acid/*metabolism ; Algorithms ; Amino Acid Sequence ; Arabidopsis/chemistry/*metabolism ; Arabidopsis Proteins/*chemistry/isolation & purification/*metabolism ; GTP-Binding Protein alpha Subunits/metabolism ; Hydro-Lyases/*chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Multienzyme Complexes/*chemistry/metabolism ; Plant Growth Regulators/*metabolism ; Protein Binding ; Protein Folding ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Receptors, G-Protein-Coupled/*chemistry/isolation & purification/*metabolism ; Recombinant Proteins/chemistry/metabolism ; Sequence Alignment
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-02-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clery, Daniel -- New York, N.Y. -- Science. 2007 Feb 9;315(5813):790.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17289978" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes ; *Biotechnology ; *Energy-Generating Resources ; History, 20th Century ; History, 21st Century ; *Industry ; *Petroleum ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-02-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clery, Daniel -- New York, N.Y. -- Science. 2007 Feb 9;315(5813):782-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17289970" target="_blank"〉PubMed〈/a〉
    Keywords: Climate ; *Conservation of Energy Resources ; *Energy-Generating Resources ; Europe ; Fossil Fuels ; *Research ; United States
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  • 38
    Publication Date: 2007-02-10
    Description: A central issue in the regulation of apoptosis by the Bcl-2 family is whether its BH3-only members initiate apoptosis by directly binding to the essential cell-death mediators Bax and Bak, or whether they can act indirectly, by engaging their pro-survival Bcl-2-like relatives. Contrary to the direct-activation model, we show that Bax and Bak can mediate apoptosis without discernable association with the putative BH3-only activators (Bim, Bid, and Puma), even in cells with no Bim or Bid and reduced Puma. Our results indicate that BH3-only proteins induce apoptosis at least primarily by engaging the multiple pro-survival relatives guarding Bax and Bak.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willis, Simon N -- Fletcher, Jamie I -- Kaufmann, Thomas -- van Delft, Mark F -- Chen, Lin -- Czabotar, Peter E -- Ierino, Helen -- Lee, Erinna F -- Fairlie, W Douglas -- Bouillet, Philippe -- Strasser, Andreas -- Kluck, Ruth M -- Adams, Jerry M -- Huang, David C S -- CA43540/CA/NCI NIH HHS/ -- CA80188/CA/NCI NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2007 Feb 9;315(5813):856-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville, Victoria 3050, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17289999" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Apoptosis ; Apoptosis Regulatory Proteins/chemistry/genetics/*metabolism ; BH3 Interacting Domain Death Agonist Protein/chemistry/genetics/*metabolism ; Cell Line ; Cells, Cultured ; Humans ; Ligands ; Membrane Proteins/chemistry/genetics/*metabolism ; Mice ; Mice, Knockout ; Models, Biological ; Mutation ; Myeloid Cell Leukemia Sequence 1 Protein ; Neoplasm Proteins/metabolism ; Protein Structure, Tertiary ; Proteins/metabolism ; Proto-Oncogene Proteins/chemistry/genetics/*metabolism ; Proto-Oncogene Proteins c-bcl-2/*metabolism ; Tumor Suppressor Proteins/genetics/metabolism ; bcl-2 Homologous Antagonist-Killer Protein/metabolism ; bcl-2-Associated X Protein/chemistry/*metabolism ; bcl-Associated Death Protein/metabolism ; bcl-X Protein/metabolism
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-01-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frueh, B Christopher -- New York, N.Y. -- Science. 2007 Jan 12;315(5809):184-7; author reply 184-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17225296" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Psychometrics ; Stress Disorders, Post-Traumatic/*psychology ; United States ; United States Department of Veterans Affairs ; Veterans/*psychology ; Veterans Disability Claims ; *Vietnam Conflict
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  • 40
    Publication Date: 2007-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 Feb 23;315(5815):1062-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17322033" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/economics ; *Budgets ; National Institutes of Health (U.S.)/economics ; *Research Support as Topic ; United States ; *United States Government Agencies
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  • 41
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-03-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 Mar 9;315(5817):1352-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17347421" target="_blank"〉PubMed〈/a〉
    Keywords: Financing, Government ; Peer Review, Research ; *Research ; *Research Support as Topic ; United States ; *United States Government Agencies
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  • 42
    Publication Date: 2007-09-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kwiek, Nicole C -- Halpin, Myra J -- Reiter, Jerome P -- Hoeffler, Leanne A -- Schwartz-Bloom, Rochelle D -- DA10904/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 28;317(5846):1871-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17901318" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Biology/*education ; Chemistry/*education ; *Curriculum ; Educational Measurement ; Female ; Humans ; Male ; Pharmacology/*education ; *Schools ; Teaching ; United States
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  • 43
    Publication Date: 2007-09-29
    Description: The SAX-3/roundabout (Robo) receptor has SLT-1/Slit-dependent and -independent functions in guiding cell and axon migrations. We identified enhancer of ventral-axon guidance defects of unc-40 mutants (EVA-1) as a Caenorhabditis elegans transmembrane receptor for SLT-1. EVA-1 has two predicted galactose-binding ectodomains, acts cell-autonomously for SLT-1/Slit-dependent axon migration functions of SAX-3/Robo, binds to SLT-1 and SAX-3, colocalizes with SAX-3 on cells, and provides cell specificity to the activation of SAX-3 signaling by SLT-1. Double mutants of eva-1 or slt-1 with sax-3 mutations suggest that SAX-3 can (when slt-1 or eva-1 function is reduced) inhibit a parallel-acting guidance mechanism, which involves UNC-40/deleted in colorectal cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fujisawa, Kazuko -- Wrana, Jeffrey L -- Culotti, Joseph G -- NS41397/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 28;317(5846):1934-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Samuel Lunenfeld Research Institute of Mount Sinai Hospital, 600 University Avenue, Toronto, Ontario M5G 1X5, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17901337" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Animals, Genetically Modified ; Axons/*physiology ; Caenorhabditis elegans/cytology/genetics/growth & development/*physiology ; Caenorhabditis elegans Proteins/*chemistry/genetics/*metabolism ; Carrier Proteins/chemistry/genetics/*metabolism ; Cell Line ; Cell Movement ; Cloning, Molecular ; Humans ; Molecular Sequence Data ; Mutation ; Nerve Tissue Proteins/*metabolism ; Nervous System/growth & development/metabolism ; Neurons/physiology ; Protein Structure, Tertiary ; Receptors, Immunologic/*metabolism ; Recombinant Fusion Proteins/metabolism ; Signal Transduction
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  • 44
    Publication Date: 2007-05-26
    Description: Mutations affecting the BRCT domains of the breast cancer-associated tumor suppressor BRCA1 disrupt the recruitment of this protein to DNA double-strand breaks (DSBs). The molecular structures at DSBs recognized by BRCA1 are presently unknown. We report the interaction of the BRCA1 BRCT domain with RAP80, a ubiquitin-binding protein. RAP80 targets a complex containing the BRCA1-BARD1 (BRCA1-associated ring domain protein 1) E3 ligase and the deubiquitinating enzyme (DUB) BRCC36 to MDC1-gammaH2AX-dependent lysine(6)- and lysine(63)-linked ubiquitin polymers at DSBs. These events are required for cell cycle checkpoint and repair responses to ionizing radiation, implicating ubiquitin chain recognition and turnover in the BRCA1-mediated repair of DSBs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2706583/" 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/PMC2706583/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sobhian, Bijan -- Shao, Genze -- Lilli, Dana R -- Culhane, Aedin C -- Moreau, Lisa A -- Xia, Bing -- Livingston, David M -- Greenberg, Roger A -- K08 CA106597/CA/NCI NIH HHS/ -- K08 CA106597-01A2/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2007 May 25;316(5828):1198-202.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute and Department of Genetics and Department of Medicine, Harvard Medical School, 44 Binney Street, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17525341" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; BRCA1 Protein/*metabolism ; Binding Sites ; Carrier Proteins/*metabolism ; Cell Line ; DNA/*metabolism ; *DNA Breaks, Double-Stranded ; DNA Repair/physiology ; HeLa Cells ; Humans ; Mice ; Molecular Sequence Data ; Nuclear Proteins/*metabolism ; Nucleic Acid Conformation ; Protein Structure, Tertiary ; Tumor Suppressor Proteins/metabolism ; Ubiquitin/*metabolism ; Ubiquitin-Protein Ligases/metabolism
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  • 45
    Publication Date: 2007-02-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 Feb 16;315(5814):927.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17303728" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Financing, Government ; National Institutes of Health (U.S.)/economics ; Research/economics/organization & administration ; *Research Support as Topic ; Science/*economics/organization & administration ; United States ; United States National Aeronautics and Space Administration/economics
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  • 46
    Publication Date: 2007-02-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2007 Feb 9;315(5813):750-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17289949" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/economics ; *Budgets ; National Institutes of Health (U.S.)/*economics ; Politics ; *Research Support as Topic ; United States ; *United States Government Agencies
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  • 47
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-04-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Furcht, Leo T -- New York, N.Y. -- Science. 2007 Apr 13;316(5822):198-200; author reply 198-200.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17431152" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/economics ; *Financing, Government ; Forecasting ; National Institutes of Health (U.S.)/*economics ; *Research Support as Topic ; United States
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  • 48
    Publication Date: 2007-06-16
    Description: A U.S. farm policy shift to joint production of commodities and ecological services will advance sustainable agriculture.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jordan, N -- Boody, G -- Broussard, W -- Glover, J D -- Keeney, D -- McCown, B H -- McIsaac, G -- Muller, M -- Murray, H -- Neal, J -- Pansing, C -- Turner, R E -- Warner, K -- Wyse, D -- New York, N.Y. -- Science. 2007 Jun 15;316(5831):1570-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Agronomy and Plant Genetics Department, University of Minnesota, St. Paul, MN 55018, USA. jorda020@umn.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569847" target="_blank"〉PubMed〈/a〉
    Keywords: *Agriculture/economics/legislation & jurisprudence ; *Biomass ; *Conservation of Natural Resources/economics/legislation & jurisprudence ; Crops, Agricultural ; Ecosystem ; Energy-Generating Resources ; *Environment ; Public Policy ; Research ; United States
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  • 49
    Publication Date: 2007-10-27
    Description: The melanocortin 1 receptor (MC1R) regulates pigmentation in humans and other vertebrates. Variants of MC1R with reduced function are associated with pale skin color and red hair in humans of primarily European origin. We amplified and sequenced a fragment of the MC1R gene (mc1r) from two Neanderthal remains. Both specimens have a mutation that was not found in approximately 3700 modern humans analyzed. Functional analyses show that this variant reduces MC1R activity to a level that alters hair and/or skin pigmentation in humans. The impaired activity of this variant suggests that Neanderthals varied in pigmentation levels, potentially on the scale observed in modern humans. Our data suggest that inactive MC1R variants evolved independently in both modern humans and Neanderthals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lalueza-Fox, Carles -- Rompler, Holger -- Caramelli, David -- Staubert, Claudia -- Catalano, Giulio -- Hughes, David -- Rohland, Nadin -- Pilli, Elena -- Longo, Laura -- Condemi, Silvana -- de la Rasilla, Marco -- Fortea, Javier -- Rosas, Antonio -- Stoneking, Mark -- Schoneberg, Torsten -- Bertranpetit, Jaume -- Hofreiter, Michael -- New York, N.Y. -- Science. 2007 Nov 30;318(5855):1453-5. Epub 2007 Oct 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departament de Biologia Animal, Universitat de Barcelona, Spain. clalueza@ub.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962522" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Substitution ; Animals ; Biological Evolution ; Cell Line ; DNA/genetics ; *Fossils ; Hair Color/*genetics ; Hominidae/*genetics ; Humans ; Molecular Sequence Data ; *Mutation ; Polymerase Chain Reaction ; Receptor, Melanocortin, Type 1/chemistry/*genetics/metabolism ; Sequence Analysis, DNA ; Skin Pigmentation/*genetics
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Dec 7;318(5856):1538.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18063763" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Science Disciplines ; *Biological Warfare Agents ; *Bioterrorism ; *Peer Review, Research ; Research/*standards ; Security Measures ; United States ; *United States Government Agencies
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-11-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Nov 9;318(5852):897.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17991832" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Science Disciplines ; *Career Mobility ; Child ; Child Day Care Centers ; Data Collection ; *Education, Graduate ; Family ; Female ; Humans ; Male ; National Institutes of Health (U.S.)/*organization & administration ; Prejudice ; *Research Personnel ; United States ; *Women, Working
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  • 52
    Publication Date: 2007-10-20
    Description: A computational analysis of the nuclear genome of a red alga, Cyanidioschyzon merolae, identified 11 transfer RNA (tRNA) genes in which the 3' half of the tRNA lies upstream of the 5' half in the genome. We verified that these genes are expressed and produce mature tRNAs that are aminoacylated. Analysis of tRNA-processing intermediates for these genes indicates an unusual processing pathway in which the termini of the tRNA precursor are ligated, resulting in formation of a characteristic circular RNA intermediate that is then processed at the acceptor stem to generate the correct termini.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soma, Akiko -- Onodera, Akinori -- Sugahara, Junichi -- Kanai, Akio -- Yachie, Nozomu -- Tomita, Masaru -- Kawamura, Fujio -- Sekine, Yasuhiko -- New York, N.Y. -- Science. 2007 Oct 19;318(5849):450-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Life Science, College of Science, Rikkyo (St. Paul's) University, Toshima, Tokyo 171-8501, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17947580" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA, Algal/chemistry/genetics ; *Genes ; Methionine-tRNA Ligase/metabolism ; Molecular Sequence Data ; Nucleic Acid Conformation ; RNA/chemistry/genetics/*metabolism ; RNA Processing, Post-Transcriptional ; RNA, Algal/*genetics/metabolism ; RNA, Transfer/*genetics/metabolism ; RNA, Transfer, Amino Acyl/metabolism ; Rhodophyta/*genetics/metabolism ; Transcription, Genetic
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  • 53
    Publication Date: 2007-10-13
    Description: Human cancer is caused by the accumulation of mutations in oncogenes and tumor suppressor genes. To catalog the genetic changes that occur during tumorigenesis, we isolated DNA from 11 breast and 11 colorectal tumors and determined the sequences of the genes in the Reference Sequence database in these samples. Based on analysis of exons representing 20,857 transcripts from 18,191 genes, we conclude that the genomic landscapes of breast and colorectal cancers are composed of a handful of commonly mutated gene "mountains" and a much larger number of gene "hills" that are mutated at low frequency. We describe statistical and bioinformatic tools that may help identify mutations with a role in tumorigenesis. These results have implications for understanding the nature and heterogeneity of human cancers and for using personal genomics for tumor diagnosis and therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wood, Laura D -- Parsons, D Williams -- Jones, Sian -- Lin, Jimmy -- Sjoblom, Tobias -- Leary, Rebecca J -- Shen, Dong -- Boca, Simina M -- Barber, Thomas -- Ptak, Janine -- Silliman, Natalie -- Szabo, Steve -- Dezso, Zoltan -- Ustyanksky, Vadim -- Nikolskaya, Tatiana -- Nikolsky, Yuri -- Karchin, Rachel -- Wilson, Paul A -- Kaminker, Joshua S -- Zhang, Zemin -- Croshaw, Randal -- Willis, Joseph -- Dawson, Dawn -- Shipitsin, Michail -- Willson, James K V -- Sukumar, Saraswati -- Polyak, Kornelia -- Park, Ben Ho -- Pethiyagoda, Charit L -- Pant, P V Krishna -- Ballinger, Dennis G -- Sparks, Andrew B -- Hartigan, James -- Smith, Douglas R -- Suh, Erick -- Papadopoulos, Nickolas -- Buckhaults, Phillip -- Markowitz, Sanford D -- Parmigiani, Giovanni -- Kinzler, Kenneth W -- Velculescu, Victor E -- Vogelstein, Bert -- CA 43460/CA/NCI NIH HHS/ -- CA 57345/CA/NCI NIH HHS/ -- CA109274/CA/NCI NIH HHS/ -- CA112828/CA/NCI NIH HHS/ -- CA121113/CA/NCI NIH HHS/ -- CA62924/CA/NCI NIH HHS/ -- GM070219/GM/NIGMS NIH HHS/ -- GM07309/GM/NIGMS NIH HHS/ -- P30-CA43703/CA/NCI NIH HHS/ -- RR017698/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2007 Nov 16;318(5853):1108-13. Epub 2007 Oct 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ludwig Center for Cancer Genetics and Therapeutics and Howard Hughes Medical Institute at Johns Hopkins Kimmel Cancer Center, Baltimore, MD 21231, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17932254" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/*genetics/metabolism ; Cell Line ; Chromosome Mapping ; Colorectal Neoplasms/*genetics/metabolism ; Computational Biology ; DNA, Neoplasm ; Databases, Genetic ; Genes, Neoplasm ; Genome, Human ; Humans ; Metabolic Networks and Pathways/genetics ; Mice ; Mutation ; Neoplasm Proteins/genetics/metabolism ; Sequence Analysis, DNA
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  • 54
    Publication Date: 2007-02-17
    Description: Migrating cells extend protrusions, probing the surrounding matrix in search of permissive sites to form adhesions. We found that actin fibers polymerizing along the leading edge directed local protrusions and drove synchronous sideways movement of beta1 integrin adhesion receptors. These movements lead to the clustering and positioning of conformationally activated, but unligated, beta1 integrins along the leading edge of fibroblast lamellae and growth cone filopodia. Thus, rapid actin-based movement of primed integrins along the leading edge suggests a "sticky fingers" mechanism to probe for new adhesion sites and to direct migration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galbraith, Catherine G -- Yamada, Kenneth M -- Galbraith, James A -- New York, N.Y. -- Science. 2007 Feb 16;315(5814):992-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17303755" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/*physiology ; Animals ; Antigens, CD29/*physiology ; Cell Adhesion/*physiology ; Cell Adhesion Molecules/metabolism ; Cell Line ; Cell Movement/*physiology ; Extracellular Matrix/metabolism ; Fibroblasts/physiology ; Fibronectins/metabolism ; Green Fluorescent Proteins/metabolism ; Mice ; Microfilament Proteins/metabolism ; NIH 3T3 Cells ; Phosphoproteins/metabolism ; Protein Binding ; Pseudopodia/metabolism
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  • 55
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Oct 26;318(5850):550.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962530" target="_blank"〉PubMed〈/a〉
    Keywords: *African Continental Ancestry Group ; History, 21st Century ; Humans ; *Intelligence ; Prejudice ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Langer, Gary -- New York, N.Y. -- Science. 2007 Oct 26;318(5850):566-8; author reply 566-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962539" target="_blank"〉PubMed〈/a〉
    Keywords: Cryopreservation ; *Directed Tissue Donation ; *Embryo Disposition ; *Embryo Research ; *Embryonic Stem Cells ; Humans ; Sampling Studies ; United States
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  • 57
    Publication Date: 2007-10-13
    Description: Theory suggests it should be difficult for asexual organisms to adapt to a changing environment because genetic diversity can only arise from mutations accumulating within direct antecedents and not through sexual exchange. In an asexual microinvertebrate, the bdelloid rotifer, we have observed a mechanism by which such organisms could acquire the diversity needed for adaptation. Gene copies most likely representing former alleles have diverged in function so that the proteins they encode play complementary roles in survival of dry conditions. One protein prevents desiccation-sensitive enzymes from aggregating during drying, whereas its counterpart does not have this activity, but is able to associate with phospholipid bilayers and is potentially involved in maintenance of membrane integrity. The functional divergence of former alleles observed here suggests that adoption of asexual reproduction could itself be an evolutionary mechanism for the generation of diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pouchkina-Stantcheva, Natalia N -- McGee, Brian M -- Boschetti, Chiara -- Tolleter, Dimitri -- Chakrabortee, Sohini -- Popova, Antoaneta V -- Meersman, Filip -- Macherel, David -- Hincha, Dirk K -- Tunnacliffe, Alan -- New York, N.Y. -- Science. 2007 Oct 12;318(5848):268-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Biotechnology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17932297" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Biological ; *Alleles ; Amino Acid Sequence ; Animals ; Biological Evolution ; Chromosomes/genetics ; DNA, Complementary ; Dehydration ; Gene Dosage ; *Genes, Helminth ; *Genetic Variation ; Helminth Proteins/chemistry/genetics/*physiology ; Lipid Bilayers ; Molecular Sequence Data ; Protein Structure, Secondary ; *Reproduction, Asexual ; Rotifera/*genetics/*physiology
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  • 58
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-09-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Sep 28;317(5846):1845.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17901303" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Warfare/prevention & control ; *Bioterrorism/prevention & control ; Communicable Diseases ; Humans ; *International Cooperation ; Laboratories ; Research Support as Topic ; Russia ; Security Measures ; United States ; United States Government Agencies
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  • 59
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-04-14
    Description: We have used 19.9 million papers over 5 decades and 2.1 million patents to demonstrate that teams increasingly dominate solo authors in the production of knowledge. Research is increasingly done in teams across nearly all fields. Teams typically produce more frequently cited research than individuals do, and this advantage has been increasing over time. Teams now also produce the exceptionally high-impact research, even where that distinction was once the domain of solo authors. These results are detailed for sciences and engineering, social sciences, arts and humanities, and patents, suggesting that the process of knowledge creation has fundamentally changed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wuchty, Stefan -- Jones, Benjamin F -- Uzzi, Brian -- New York, N.Y. -- Science. 2007 May 18;316(5827):1036-9. Epub 2007 Apr 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Northwestern Institute on Complexity (NICO), Northwestern University, Evanston, IL 60208, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17431139" target="_blank"〉PubMed〈/a〉
    Keywords: *Authorship ; Bibliometrics ; Biomedical Research/statistics & numerical data/trends ; Databases as Topic/statistics & numerical data ; Engineering ; Humanities ; *Knowledge ; *Patents as Topic ; Publishing/statistics & numerical data/*trends ; Research/statistics & numerical data/*trends ; Sociology ; United States
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  • 60
    Publication Date: 2007-08-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Aug 24;317(5841):1016.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17717157" target="_blank"〉PubMed〈/a〉
    Keywords: *Education, Graduate/legislation & jurisprudence ; *Mentors/legislation & jurisprudence ; *National Institutes of Health (U.S.) ; *Research Personnel/legislation & jurisprudence ; Research Support as Topic ; United States ; *United States Government Agencies
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  • 61
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-08-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garber, Ken -- New York, N.Y. -- Science. 2007 Aug 17;317(5840):968-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17702948" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research/economics/education/organization & administration ; *Career Choice ; Career Mobility ; Education, Graduate ; *Hospitals, Pediatric ; *Hospitals, University ; Humans ; Interdisciplinary Communication ; National Institutes of Health (U.S.) ; Pennsylvania ; *Research Personnel/education ; Research Support as Topic ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prentice, David A -- Tarne, Gene -- New York, N.Y. -- Science. 2007 Jan 19;315(5810):328.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17234930" target="_blank"〉PubMed〈/a〉
    Keywords: Adult Stem Cells/*transplantation ; Clinical Trials as Topic ; Embryonic Stem Cells/transplantation ; Humans ; Neoplasms/therapy ; Stem Cell Transplantation ; *Therapeutics ; United States ; United States Food and Drug Administration
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-06-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wulf, William A -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1253.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540864" target="_blank"〉PubMed〈/a〉
    Keywords: *Diffusion of Innovation ; *Technology ; United States
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  • 64
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-08-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Aug 3;317(5838):581.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17673626" target="_blank"〉PubMed〈/a〉
    Keywords: Asia ; Biological Warfare/*prevention & control ; Bioterrorism/*prevention & control ; Russia ; *Security Measures ; United States
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-11-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Nov 16;318(5853):1049.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18006712" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research/economics ; Confidentiality/*legislation & jurisprudence ; Cost-Benefit Analysis ; Data Collection ; Epidemiologic Studies ; Epidemiology ; *Health Insurance Portability and Accountability Act ; Humans ; Patient Selection ; United States
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-06-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2007 Jun 15;316(5831):1552.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569832" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/drug therapy/economics/prevention & control ; *Anti-HIV Agents/economics/therapeutic use ; *Budgets ; *Global Health ; Humans ; International Cooperation ; United States
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  • 67
    Publication Date: 2007-06-30
    Description: As a step toward propagation of synthetic genomes, we completely replaced the genome of a bacterial cell with one from another species by transplanting a whole genome as naked DNA. Intact genomic DNA from Mycoplasma mycoides large colony (LC), virtually free of protein, was transplanted into Mycoplasma capricolum cells by polyethylene glycol-mediated transformation. Cells selected for tetracycline resistance, carried by the M. mycoides LC chromosome, contain the complete donor genome and are free of detectable recipient genomic sequences. These cells that result from genome transplantation are phenotypically identical to the M. mycoides LC donor strain as judged by several criteria.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lartigue, Carole -- Glass, John I -- Alperovich, Nina -- Pieper, Rembert -- Parmar, Prashanth P -- Hutchison, Clyde A 3rd -- Smith, Hamilton O -- Venter, J Craig -- New York, N.Y. -- Science. 2007 Aug 3;317(5838):632-8. Epub 2007 Jun 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉J. Craig Venter Institute, Rockville, MD 20850, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17600181" target="_blank"〉PubMed〈/a〉
    Keywords: Acetate Kinase/chemistry/genetics ; Amino Acid Sequence ; DNA, Bacterial/*genetics/isolation & purification ; *Genome, Bacterial ; Genotype ; Molecular Sequence Data ; Mycoplasma/chemistry/*genetics ; Mycoplasma mycoides/chemistry/*genetics ; Phenotype ; Polyethylene Glycols ; Proteome/analysis ; Recombination, Genetic ; Sequence Analysis, DNA ; *Transformation, Bacterial
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-06-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1265.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540866" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; Animals ; *Breeding ; Female ; Male ; Models, Animal ; *National Institutes of Health (U.S.) ; *Pan troglodytes ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Prince, Alfred M -- New York, N.Y. -- Science. 2007 Mar 16;315(5818):1493-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17370358" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; Animal Welfare ; Animals ; *Biomedical Research ; Breeding ; Disease Models, Animal ; Female ; Hepacivirus/immunology ; Male ; *Pan troglodytes ; United States ; Viral Hepatitis Vaccines
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-05-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2007 May 11;316(5826):816.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17495145" target="_blank"〉PubMed〈/a〉
    Keywords: *Anti-HIV Agents/economics ; Brazil ; Drug Costs ; *Drug Industry/economics/legislation & jurisprudence ; *Drugs, Generic/economics ; Humans ; *Legislation, Drug ; *Patents as Topic ; Thailand ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-10-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Oct 12;318(5848):182.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17932261" target="_blank"〉PubMed〈/a〉
    Keywords: Accidents ; *Biomedical Research/legislation & jurisprudence ; *Containment of Biohazards ; Humans ; *Laboratories/legislation & jurisprudence/statistics & numerical data ; Laboratory Infection ; Risk ; *Safety Management/legislation & jurisprudence ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-09-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Sep 7;317(5843):1309-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17823322" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets/trends ; Facility Design and Construction/*economics ; Financing, Government/trends ; Health Policy/trends ; Laboratories/*economics ; National Institutes of Health (U.S.)/*economics ; Research Support as Topic/trends ; Schools, Medical/*economics ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-01-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2007 Jan 26;315(5811):450-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17255486" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation/ethics ; Animal Welfare ; Animals ; *Animals, Laboratory ; Breeding ; Female ; Genome ; Housing, Animal ; Male ; *Models, Animal ; National Institutes of Health (U.S.) ; *Pan troglodytes/genetics ; Population Dynamics ; United States
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  • 74
    Publication Date: 2007-07-14
    Description: Many human cancers involve up-regulation of the phosphoinositide 3-kinase PI3Kalpha, with oncogenic mutations identified in both the p110alpha catalytic and the p85alpha regulatory subunits. We used crystallographic and biochemical approaches to gain insight into activating mutations in two noncatalytic p110alpha domains-the adaptor-binding and the helical domains. A structure of the adaptor-binding domain of p110alpha in a complex with the p85alpha inter-Src homology 2 (inter-SH2) domain shows that oncogenic mutations in the adaptor-binding domain are not at the inter-SH2 interface but in a polar surface patch that is a plausible docking site for other domains in the holo p110/p85 complex. We also examined helical domain mutations and found that the Glu545 to Lys545 (E545K) oncogenic mutant disrupts an inhibitory charge-charge interaction with the p85 N-terminal SH2 domain. These studies extend our understanding of the architecture of PI3Ks and provide insight into how two classes of mutations that cause a gain in function can lead to cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miled, Nabil -- Yan, Ying -- Hon, Wai-Ching -- Perisic, Olga -- Zvelebil, Marketa -- Inbar, Yuval -- Schneidman-Duhovny, Dina -- Wolfson, Haim J -- Backer, Jonathan M -- Williams, Roger L -- GM55692/GM/NIGMS NIH HHS/ -- MC_U105184308/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2007 Jul 13;317(5835):239-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17626883" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Animals ; *Catalytic Domain ; Cattle ; Cell Line ; Cell Transformation, Neoplastic ; Crystallography, X-Ray ; Dimerization ; Humans ; Models, Molecular ; Molecular Sequence Data ; *Mutation ; Neoplasms/*genetics ; Phosphatidylinositol 3-Kinases/antagonists & ; inhibitors/chemistry/*genetics/*metabolism ; Protein Structure, Secondary ; Protein Structure, Tertiary ; src Homology Domains
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  • 75
    Publication Date: 2007-06-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Jun 1;316(5829):1268.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17540868" target="_blank"〉PubMed〈/a〉
    Keywords: *Education, Graduate ; Emigration and Immigration/*legislation & jurisprudence ; Engineering/*education ; Foreign Professional Personnel/*legislation & jurisprudence ; Humans ; Science/*education ; United States
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- Lester, Benjamin -- New York, N.Y. -- Science. 2007 Dec 21;318(5858):1852.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18096778" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines/adverse effects ; Adenoviruses, Human/genetics/immunology ; Antibodies, Viral/blood ; Clinical Trials as Topic ; Genetic Vectors ; Humans ; Male ; National Institute of Allergy and Infectious Diseases (U.S.) ; Research Design ; United States
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  • 77
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-07-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gentile, James M -- New York, N.Y. -- Science. 2007 Jul 13;317(5835):194.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17626863" target="_blank"〉PubMed〈/a〉
    Keywords: Financing, Government ; Foundations ; Fund Raising ; *Research Support as Topic ; *Science ; United States
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  • 78
    Publication Date: 2007-03-31
    Description: Telomerase is a ribonucleoprotein enzyme complex that adds 5'-TTAGGG-3' repeats onto the ends of human chromosomes, providing a telomere maintenance mechanism for approximately 90% of human cancers. We have purified human telomerase approximately 10(8)-fold, with the final elution dependent on the enzyme's ability to catalyze nucleotide addition onto a DNA oligonucleotide of telomeric sequence, thereby providing specificity for catalytically active telomerase. Mass spectrometric sequencing of the protein components and molecular size determination indicated an enzyme composition of two molecules each of telomerase reverse transcriptase, telomerase RNA, and dyskerin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Scott B -- Graham, Mark E -- Lovrecz, George O -- Bache, Nicolai -- Robinson, Phillip J -- Reddel, Roger R -- New York, N.Y. -- Science. 2007 Mar 30;315(5820):1850-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Research Unit, Children's Medical Research Institute, 214 Hawkesbury Road, Westmead NSW 2145, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17395830" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Cycle Proteins/*chemistry/isolation & purification ; Cell Line ; Cell Line, Tumor ; Centrifugation, Density Gradient ; Humans ; Molecular Sequence Data ; Molecular Weight ; Multienzyme Complexes/chemistry ; Nuclear Proteins/*chemistry/isolation & purification ; RNA/*chemistry/isolation & purification ; Tandem Mass Spectrometry ; Telomerase/*chemistry/isolation & purification/metabolism
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  • 79
    Publication Date: 2007-08-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Aug 17;317(5840):884-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17702917" target="_blank"〉PubMed〈/a〉
    Keywords: *Advisory Committees ; Animals ; Benzhydryl Compounds ; Child ; Endocrine Disruptors/administration & dosage/*toxicity ; Female ; Humans ; Male ; Mice ; Phenols/administration & dosage/*toxicity ; Pregnancy ; United States
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  • 80
    Publication Date: 2007-04-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2007 Apr 27;316(5824):534-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17463262" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Behavior ; *Computer Simulation ; *Cross-Cultural Comparison ; Humans ; Iraq ; *Military Science ; *Research ; Social Values ; *Sociology ; Terrorism ; United States ; *Warfare
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, Andrew -- New York, N.Y. -- Science. 2007 Jan 19;315(5810):318-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17234924" target="_blank"〉PubMed〈/a〉
    Keywords: *Academies and Institutes/economics/organization & administration ; Budgets ; *Exobiology/economics/organization & administration ; Financing, Government ; Research Support as Topic ; United States ; *United States National Aeronautics and Space ; Administration/economics/organization & administration
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  • 82
    Publication Date: 2007-07-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Jul 27;317(5837):441.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17656694" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research/*standards ; *Conflict of Interest/legislation & jurisprudence ; *Disclosure/legislation & jurisprudence ; Drug Industry ; *Guidelines as Topic ; National Institutes of Health (U.S.)/ethics ; Research Personnel/ethics/*standards ; Societies, Scientific ; United States ; Universities/ethics/standards
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  • 83
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Greg -- New York, N.Y. -- Science. 2007 Dec 21;318(5858):1856-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18096783" target="_blank"〉PubMed〈/a〉
    Keywords: *Animal Experimentation ; *Animal Rights ; Animals ; Crime/*legislation & jurisprudence ; Great Britain ; *Law Enforcement ; *Research Personnel ; Security Measures ; United States ; *Universities ; Violence
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  • 84
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-07-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Jul 6;317(5834):26.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17615308" target="_blank"〉PubMed〈/a〉
    Keywords: *Environmental Health ; Expert Testimony ; Laboratories/manpower/*organization & administration ; National Institutes of Health (U.S.)/*ethics/*organization & administration ; North Carolina ; *Research Personnel ; United States ; Universities
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-06-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Jun 22;316(5832):1679.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17588904" target="_blank"〉PubMed〈/a〉
    Keywords: Antineoplastic Agents/adverse effects/*therapeutic use ; Biomedical Research/economics ; Breast Neoplasms/*prevention & control ; Budgets ; *Clinical Trials as Topic/economics ; Female ; Humans ; National Institutes of Health (U.S.) ; Nitriles/adverse effects/*therapeutic use ; Triazoles/adverse effects/*therapeutic use ; United States
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  • 86
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-05-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 May 18;316(5827):970-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510336" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animal Nutritional Physiological Phenomena ; Animals ; Bacteria/isolation & purification ; *Bees/microbiology/parasitology/physiology ; Climate ; Diet ; Fungi/isolation & purification ; Mites ; Pesticides ; Population Dynamics ; United States ; United States Department of Agriculture ; Viruses/isolation & purification
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  • 87
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-05-19
    Description: Resistance to certain scientific ideas derives in large part from assumptions and biases that can be demonstrated experimentally in young children and that may persist into adulthood. In particular, both adults and children resist acquiring scientific information that clashes with common-sense intuitions about the physical and psychological domains. Additionally, when learning information from other people, both adults and children are sensitive to the trustworthiness of the source of that information. Resistance to science, then, is particularly exaggerated in societies where nonscientific ideologies have the advantages of being both grounded in common sense and transmitted by trustworthy sources.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bloom, Paul -- Weisberg, Deena Skolnick -- New York, N.Y. -- Science. 2007 May 18;316(5827):996-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Yale University, New Haven, CT 06520, USA. paul.bloom@yale.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510356" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Biological Evolution ; Brain/physiology ; Child ; *Culture ; Humans ; Intuition ; Learning ; Neurosciences ; Psychology ; *Science/education ; Trust ; United States
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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-10-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, Jennifer -- New York, N.Y. -- Science. 2007 Oct 26;318(5850):550-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17962529" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Fatty Acids, Omega-3/administration & dosage ; Female ; *Fishes ; *Guidelines as Topic ; Humans ; Mercury/toxicity ; *Nutrition Policy ; *Pregnancy ; *Seafood ; United States ; United States Environmental Protection Agency ; United States Food and Drug Administration ; United States Public Health Service
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  • 89
    Publication Date: 2007-10-20
    Description: To investigate the unregulated Ras activation associated with cancer, we developed and validated a mathematical model of Ras signaling. The model-based predictions and associated experiments help explain why only one of two classes of activating Ras point mutations with in vitro transformation potential is commonly found in cancers. Model-based analysis of these mutants uncovered a systems-level process that contributes to total Ras activation in cells. This predicted behavior was supported by experimental observations. We also used the model to identify a strategy in which a drug could cause stronger inhibition on the cancerous Ras network than on the wild-type network. This system-level analysis of the oncogenic Ras network provides new insights and potential therapeutic strategies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stites, Edward C -- Trampont, Paul C -- Ma, Zhong -- Ravichandran, Kodi S -- New York, N.Y. -- Science. 2007 Oct 19;318(5849):463-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Beirne B. Carter Center for Immunology Research and the Department of Microbiology, University of Virginia, Charlottesville, VA 22908, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17947584" target="_blank"〉PubMed〈/a〉
    Keywords: Antineoplastic Agents/metabolism/pharmacology ; Cell Line ; Cell Line, Tumor ; Cell Transformation, Neoplastic ; *Computer Simulation ; Extracellular Signal-Regulated MAP Kinases/metabolism ; GTP Phosphohydrolases/metabolism ; GTPase-Activating Proteins/antagonists & inhibitors/metabolism ; Genes, ras ; Guanosine Diphosphate/metabolism ; Guanosine Triphosphate/metabolism ; Humans ; Mathematics ; *Metabolic Networks and Pathways ; *Models, Biological ; Neoplasms/*metabolism ; Phosphorylation ; Point Mutation ; *Signal Transduction ; ras Proteins/antagonists & inhibitors/genetics/*metabolism
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  • 90
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-04-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser, Jocelyn -- New York, N.Y. -- Science. 2007 Apr 27;316(5824):529.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17463258" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; Biomedical Research/standards ; Bioterrorism/*prevention & control ; *Guidelines as Topic ; *Microbiology ; Research/*standards ; *Security Measures ; United States
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  • 91
    Publication Date: 2007-03-10
    Description: Cellular memory is maintained at homeotic genes by cis-regulatory elements whose mechanism of action is unknown. We have examined chromatin at Drosophila homeotic gene clusters by measuring, at high resolution, levels of histone replacement and nucleosome occupancy. Homeotic gene clusters display conspicuous peaks of histone replacement at boundaries of cis-regulatory domains superimposed over broad regions of low replacement. Peaks of histone replacement closely correspond to nuclease-hypersensitive sites, binding sites for Polycomb and trithorax group proteins, and sites of nucleosome depletion. Our results suggest the existence of a continuous process that disrupts nucleosomes and maintains accessibility of cis-regulatory elements.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mito, Yoshiko -- Henikoff, Jorja G -- Henikoff, Steven -- New York, N.Y. -- Science. 2007 Mar 9;315(5817):1408-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Basic Sciences Division, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, WA 98109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17347439" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites ; Cell Line ; Chromatin/*metabolism ; Chromatin Immunoprecipitation ; DNA-Binding Proteins/metabolism ; Drosophila Proteins/metabolism ; Drosophila melanogaster ; Genes, Homeobox ; Genes, Insect ; HSP70 Heat-Shock Proteins/genetics ; Histones/*metabolism ; Multigene Family ; Nuclear Proteins/metabolism ; Nucleosomes/*metabolism ; Oligonucleotide Array Sequence Analysis ; Polycomb Repressive Complex 1 ; Polycomb Repressive Complex 2 ; Protein Binding ; *Regulatory Sequences, Nucleic Acid ; Repressor Proteins/metabolism ; Response Elements ; Transcription Factors/metabolism
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  • 92
    Publication Date: 2007-08-11
    Description: Tricyclic antidepressants exert their pharmacological effect-inhibiting the reuptake of serotonin, norepinephrine, and dopamine-by directly blocking neurotransmitter transporters (SERT, NET, and DAT, respectively) in the presynaptic membrane. The drug-binding site and the mechanism of this inhibition are poorly understood. We determined the crystal structure at 2.9 angstroms of the bacterial leucine transporter (LeuT), a homolog of SERT, NET, and DAT, in complex with leucine and the antidepressant desipramine. Desipramine binds at the inner end of the extracellular cavity of the transporter and is held in place by a hairpin loop and by a salt bridge. This binding site is separated from the leucine-binding site by the extracellular gate of the transporter. By directly locking the gate, desipramine prevents conformational changes and blocks substrate transport. Mutagenesis experiments on human SERT and DAT indicate that both the desipramine-binding site and its inhibition mechanism are probably conserved in the human neurotransmitter transporters.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3711652/" 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/PMC3711652/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhou, Zheng -- Zhen, Juan -- Karpowich, Nathan K -- Goetz, Regina M -- Law, Christopher J -- Reith, Maarten E A -- Wang, Da-Neng -- DA013261/DA/NIDA NIH HHS/ -- DA019676/DA/NIDA NIH HHS/ -- GM075026/GM/NIGMS NIH HHS/ -- GM075936/GM/NIGMS NIH HHS/ -- R01 DA013261/DA/NIDA NIH HHS/ -- R01 DA019676/DA/NIDA NIH HHS/ -- R01 DK053973/DK/NIDDK NIH HHS/ -- R21 DK060841/DK/NIDDK NIH HHS/ -- R21 GM075936/GM/NIGMS NIH HHS/ -- U54 GM075026/GM/NIGMS NIH HHS/ -- U54 GM095315/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 7;317(5843):1390-3. Epub 2007 Aug 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Kimmel Center for Biology and Medicine at the Skirball Institute of Biomolecular Medicine and Department of Cell Biology, New York University School of Medicine, 540 First Avenue, New York, NY 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17690258" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antidepressive Agents, Tricyclic/chemistry/*metabolism ; Bacterial Proteins/chemistry/*metabolism ; Binding Sites ; Caenorhabditis elegans Proteins/chemistry/metabolism ; Cell Line ; Conserved Sequence ; Crystallography, X-Ray ; Desipramine/chemistry/*metabolism ; Dopamine/chemistry/metabolism ; Dopamine Uptake Inhibitors/chemistry/metabolism ; Drosophila Proteins/chemistry/metabolism ; Humans ; Leucine/chemistry/metabolism ; Models, Molecular ; Molecular Sequence Data ; Neurotransmitter Uptake Inhibitors/chemistry/*metabolism ; Norepinephrine/chemistry/metabolism ; Norepinephrine Plasma Membrane Transport Proteins/antagonists & ; inhibitors/chemistry/metabolism ; Plasma Membrane Neurotransmitter Transport Proteins/chemistry/*metabolism ; Protein Binding ; Protein Conformation ; Sequence Homology, Amino Acid ; Serotonin/chemistry/metabolism ; Serotonin Uptake Inhibitors/chemistry/metabolism
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  • 93
    Publication Date: 2007-09-29
    Description: Although the application of sequencing-by-synthesis techniques to DNA extracted from bones has revolutionized the study of ancient DNA, it has been plagued by large fractions of contaminating environmental DNA. The genetic analyses of hair shafts could be a solution: We present 10 previously unexamined Siberian mammoth (Mammuthus primigenius) mitochondrial genomes, sequenced with up to 48-fold coverage. The observed levels of damage-derived sequencing errors were lower than those observed in previously published frozen bone samples, even though one of the specimens was 〉50,000 14C years old and another had been stored for 200 years at room temperature. The method therefore sets the stage for molecular-genetic analysis of museum collections.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gilbert, M Thomas P -- Tomsho, Lynn P -- Rendulic, Snjezana -- Packard, Michael -- Drautz, Daniela I -- Sher, Andrei -- Tikhonov, Alexei -- Dalen, Love -- Kuznetsova, Tatyana -- Kosintsev, Pavel -- Campos, Paula F -- Higham, Thomas -- Collins, Matthew J -- Wilson, Andrew S -- Shidlovskiy, Fyodor -- Buigues, Bernard -- Ericson, Per G P -- Germonpre, Mietje -- Gotherstrom, Anders -- Iacumin, Paola -- Nikolaev, Vladimir -- Nowak-Kemp, Malgosia -- Willerslev, Eske -- Knight, James R -- Irzyk, Gerard P -- Perbost, Clotilde S -- Fredrikson, Karin M -- Harkins, Timothy T -- Sheridan, Sharon -- Miller, Webb -- Schuster, Stephan C -- HG002238/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 28;317(5846):1927-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Ancient Genetics, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17901335" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone and Bones/chemistry ; DNA Damage ; DNA, Mitochondrial/chemistry/genetics/*history ; Elephants/*genetics ; Genes, Mitochondrial ; *Genome ; *Hair/chemistry/ultrastructure ; History, Ancient ; Mitochondria/*genetics ; Molecular Sequence Data ; Preservation, Biological ; *Sequence Analysis, DNA ; Siberia ; Temperature
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-03-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bienen, Henry S -- New York, N.Y. -- Science. 2007 Mar 23;315(5819):1666.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17379791" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research/economics ; Employment ; Federal Government ; Research Support as Topic ; United States ; *Universities/economics
    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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  • 95
    Publication Date: 2007-12-08
    Description: Many bacterial pathogens have long, slender pili through which they adhere to host cells. The crystal structure of the major pilin subunit from the Gram-positive human pathogen Streptococcus pyogenes at 2.2 angstroms resolution reveals an extended structure comprising two all-beta domains. The molecules associate in columns through the crystal, with each carboxyl terminus adjacent to a conserved lysine of the next molecule. This lysine forms the isopeptide bonds that link the subunits in native pili, validating the relevance of the crystal assembly. Each subunit contains two lysine-asparagine isopeptide bonds generated by an intramolecular reaction, and we find evidence for similar isopeptide bonds in other cell surface proteins of Gram-positive bacteria. The present structure explains the strength and stability of such Gram-positive pili and could facilitate vaccine development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kang, Hae Joo -- Coulibaly, Fasseli -- Clow, Fiona -- Proft, Thomas -- Baker, Edward N -- New York, N.Y. -- Science. 2007 Dec 7;318(5856):1625-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland 1010, New Zealand.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18063798" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Motifs ; Amino Acid Sequence ; Asparagine/chemistry ; Chemistry, Physical ; Crystallography, X-Ray ; Fimbriae Proteins/*chemistry ; Fimbriae, Bacterial/*chemistry/ultrastructure ; Hydrogen Bonding ; Lysine/chemistry ; Models, Molecular ; Molecular Sequence Data ; Peptides/chemistry ; Physicochemical Phenomena ; Protein Conformation ; Protein Structure, Tertiary ; Protein Subunits/chemistry ; Streptococcus pyogenes/*chemistry/metabolism/*ultrastructure
    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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  • 96
    Publication Date: 2007-09-01
    Description: Methylation of histone H3 lysine 27 (H3K27) is a posttranslational modification that is highly correlated with genomic silencing. Here we show that human UTX, a member of the Jumonji C family of proteins, is a di- and trimethyl H3K27 demethylase. UTX occupies the promoters of HOX gene clusters and regulates their transcriptional output by modulating the recruitment of polycomb repressive complex 1 and the monoubiquitination of histone H2A. Moreover, UTX associates with mixed-lineage leukemia (MLL) 2/3 complexes, and during retinoic acid signaling events, the recruitment of the UTX complex to HOX genes results in H3K27 demethylation and a concomitant methylation of H3K4. Our results suggest a concerted mechanism for transcriptional activation in which cycles of H3K4 methylation by MLL2/3 are linked with the demethylation of H3K27 through UTX.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, Min Gyu -- Villa, Raffaella -- Trojer, Patrick -- Norman, Jessica -- Yan, Kai-Ping -- Reinberg, Danny -- Di Croce, Luciano -- Shiekhattar, Ramin -- R01CA090758/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2007 Oct 19;318(5849):447-50. Epub 2007 Aug 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wistar Institute, 3601 Spruce Street, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17761849" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Differentiation ; Cell Line ; Cell Line, Tumor ; DNA-Binding Proteins/metabolism ; Embryonic Stem Cells ; *Genes, Homeobox ; Histone Demethylases ; Histones/*metabolism ; Humans ; Lysine/*metabolism ; Methylation ; Multigene Family ; Neoplasm Proteins/metabolism ; Nuclear Proteins/genetics/*metabolism ; Polycomb-Group Proteins ; Promoter Regions, Genetic ; Protein Processing, Post-Translational ; Recombinant Proteins/metabolism ; Repressor Proteins/*metabolism ; Signal Transduction ; Transcription, Genetic ; Transcriptional Activation ; Tretinoin/metabolism/pharmacology ; Ubiquitin/metabolism
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-01-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 Jan 12;315(5809):175.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17218502" target="_blank"〉PubMed〈/a〉
    Keywords: *Advisory Committees ; Animals ; *Aquaculture/legislation & jurisprudence ; *Fisheries/legislation & jurisprudence ; Fishes ; Government Regulation ; Oceans and Seas ; *Seawater ; United States ; United States Government Agencies
    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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  • 98
    Publication Date: 2007-01-27
    Description: Vitamin A has diverse biological functions. It is transported in the blood as a complex with retinol binding protein (RBP), but the molecular mechanism by which vitamin A is absorbed by cells from the vitamin A-RBP complex is not clearly understood. We identified in bovine retinal pigment epithelium cells STRA6, a multitransmembrane domain protein, as a specific membrane receptor for RBP. STRA6 binds to RBP with high affinity and has robust vitamin A uptake activity from the vitamin A-RBP complex. It is widely expressed in embryonic development and in adult organ systems. The RBP receptor represents a major physiological mediator of cellular vitamin A uptake.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kawaguchi, Riki -- Yu, Jiamei -- Honda, Jane -- Hu, Jane -- Whitelegge, Julian -- Ping, Peipei -- Wiita, Patrick -- Bok, Dean -- Sun, Hui -- 5T32EY07026/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2007 Feb 9;315(5813):820-5. Epub 2007 Jan 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, David Geffen School of Medicine at UCLA, 650 Charles E. Young Drive South, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17255476" target="_blank"〉PubMed〈/a〉
    Keywords: Acyltransferases/metabolism ; Amino Acid Sequence ; Animals ; Blood-Retinal Barrier ; COS Cells ; Cattle ; Cell Line ; Cell Line, Tumor ; Cell Membrane/metabolism ; Cercopithecus aethiops ; Embryonic Development ; Endocytosis ; Humans ; Molecular Sequence Data ; Mutation, Missense ; Pigment Epithelium of Eye/*metabolism ; Placenta/metabolism ; Receptors, Cell Surface/*metabolism ; Retinal Vessels/metabolism ; Retinol-Binding Proteins/*metabolism ; Spleen/metabolism ; Transfection ; Vitamin A/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2007 Jan 5;315(5808):27.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17204615" target="_blank"〉PubMed〈/a〉
    Keywords: *Autistic Disorder/diagnosis/etiology/therapy ; Biomedical Research/economics/*legislation & jurisprudence ; Budgets ; Centers for Disease Control and Prevention (U.S.)/economics ; Financing, Government ; Humans ; Legislation, Medical ; *National Institutes of Health (U.S.)/economics/legislation & jurisprudence ; Research Support as Topic ; United States
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    Unknown
    American Association for the Advancement of Science (AAAS)
    Publication Date: 2007-04-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin, Jennifer -- New York, N.Y. -- Science. 2007 Apr 20;316(5823):354.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17446361" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Antidepressive Agents/*adverse effects/therapeutic use ; Anxiety Disorders/drug therapy ; Child ; Depressive Disorder/drug therapy ; Humans ; Meta-Analysis as Topic ; Obsessive-Compulsive Disorder/drug therapy ; Risk Assessment ; Suicide/*psychology ; Suicide, Attempted/*psychology ; United States ; United States Food and Drug Administration
    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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