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  • 11
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    Genome sequence of Aedes aegypti, a major arbovirus vector (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-19
    Description: We present a draft sequence of the genome of Aedes aegypti, the primary vector for yellow fever and dengue fever, which at approximately 1376 million base pairs is about 5 times the size of the genome of the malaria vector Anopheles gambiae. Nearly 50% of the Ae. aegypti genome consists of transposable elements. These contribute to a factor of approximately 4 to 6 increase in average gene length and in sizes of intergenic regions relative to An. gambiae and Drosophila melanogaster. Nonetheless, chromosomal synteny is generally maintained among all three insects, although conservation of orthologous gene order is higher (by a factor of approximately 2) between the mosquito species than between either of them and the fruit fly. An increase in genes encoding odorant binding, cytochrome P450, and cuticle domains relative to An. gambiae suggests that members of these protein families underpin some of the biological differences between the two mosquito species.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2868357/" 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/PMC2868357/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nene, Vishvanath -- Wortman, Jennifer R -- Lawson, Daniel -- Haas, Brian -- Kodira, Chinnappa -- Tu, Zhijian Jake -- Loftus, Brendan -- Xi, Zhiyong -- Megy, Karyn -- Grabherr, Manfred -- Ren, Quinghu -- Zdobnov, Evgeny M -- Lobo, Neil F -- Campbell, Kathryn S -- Brown, Susan E -- Bonaldo, Maria F -- Zhu, Jingsong -- Sinkins, Steven P -- Hogenkamp, David G -- Amedeo, Paolo -- Arensburger, Peter -- Atkinson, Peter W -- Bidwell, Shelby -- Biedler, Jim -- Birney, Ewan -- Bruggner, Robert V -- Costas, Javier -- Coy, Monique R -- Crabtree, Jonathan -- Crawford, Matt -- Debruyn, Becky -- Decaprio, David -- Eiglmeier, Karin -- Eisenstadt, Eric -- El-Dorry, Hamza -- Gelbart, William M -- Gomes, Suely L -- Hammond, Martin -- Hannick, Linda I -- Hogan, James R -- Holmes, Michael H -- Jaffe, David -- Johnston, J Spencer -- Kennedy, Ryan C -- Koo, Hean -- Kravitz, Saul -- Kriventseva, Evgenia V -- Kulp, David -- Labutti, Kurt -- Lee, Eduardo -- Li, Song -- Lovin, Diane D -- Mao, Chunhong -- Mauceli, Evan -- Menck, Carlos F M -- Miller, Jason R -- Montgomery, Philip -- Mori, Akio -- Nascimento, Ana L -- Naveira, Horacio F -- Nusbaum, Chad -- O'leary, Sinead -- Orvis, Joshua -- Pertea, Mihaela -- Quesneville, Hadi -- Reidenbach, Kyanne R -- Rogers, Yu-Hui -- Roth, Charles W -- Schneider, Jennifer R -- Schatz, Michael -- Shumway, Martin -- Stanke, Mario -- Stinson, Eric O -- Tubio, Jose M C -- Vanzee, Janice P -- Verjovski-Almeida, Sergio -- Werner, Doreen -- White, Owen -- Wyder, Stefan -- Zeng, Qiandong -- Zhao, Qi -- Zhao, Yongmei -- Hill, Catherine A -- Raikhel, Alexander S -- Soares, Marcelo B -- Knudson, Dennis L -- Lee, Norman H -- Galagan, James -- Salzberg, Steven L -- Paulsen, Ian T -- Dimopoulos, George -- Collins, Frank H -- Birren, Bruce -- Fraser-Liggett, Claire M -- Severson, David W -- 079059/Wellcome Trust/United Kingdom -- 5 R01 AI61576-2/AI/NIAID NIH HHS/ -- R01 AI059492/AI/NIAID NIH HHS/ -- R01 LM006845/LM/NLM NIH HHS/ -- R01 LM006845-08/LM/NLM NIH HHS/ -- R37 AI024716/AI/NIAID NIH HHS/ -- UO1 AI50936/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2007 Jun 22;316(5832):1718-23. Epub 2007 May 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA. nene@tigr.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17510324" target="_blank"〉PubMed〈/a〉
    Keywords: Aedes/*genetics/metabolism ; Animals ; Anopheles gambiae/genetics/metabolism ; Arboviruses ; Base Sequence ; DNA Transposable Elements ; Dengue/prevention & control/transmission ; Drosophila melanogaster/genetics ; Female ; Genes, Insect ; *Genome, Insect ; Humans ; Insect Proteins/genetics ; Insect Vectors/*genetics/metabolism ; Male ; Membrane Transport Proteins/genetics ; Molecular Sequence Data ; Multigene Family ; Protein Structure, Tertiary/genetics ; Sequence Analysis, DNA ; Sex Characteristics ; Sex Determination Processes ; Species Specificity ; Synteny ; Transcription, Genetic ; Yellow Fever/prevention & control/transmission
    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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  • 12
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    Structural basis for the function and inhibition of an influenza virus proton channel (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-02-01
    Description: The M2 protein from influenza A virus is a pH-activated proton channel that mediates acidification of the interior of viral particles entrapped in endosomes. M2 is the target of the anti-influenza drugs amantadine and rimantadine; recently, resistance to these drugs in humans, birds and pigs has reached more than 90% (ref. 1). Here we describe the crystal structure of the transmembrane-spanning region of the homotetrameric protein in the presence and absence of the channel-blocking drug amantadine. pH-dependent structural changes occur near a set of conserved His and Trp residues that are involved in proton gating. The drug-binding site is lined by residues that are mutated in amantadine-resistant viruses. Binding of amantadine physically occludes the pore, and might also perturb the pK(a) of the critical His residue. The structure provides a starting point for solving the problem of resistance to M2-channel blockers.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3889492/" 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/PMC3889492/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stouffer, Amanda L -- Acharya, Rudresh -- Salom, David -- Levine, Anna S -- Di Costanzo, Luigi -- Soto, Cinque S -- Tereshko, Valentina -- Nanda, Vikas -- Stayrook, Steven -- DeGrado, William F -- R37 GM054616/GM/NIGMS NIH HHS/ -- T32 GM008275/GM/NIGMS NIH HHS/ -- England -- Nature. 2008 Jan 31;451(7178):596-9. doi: 10.1038/nature06528.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18235504" target="_blank"〉PubMed〈/a〉
    Keywords: Amantadine/chemistry/metabolism/pharmacology ; Crystallography, X-Ray ; Drug Resistance, Viral/genetics ; Histidine/metabolism ; Hydrogen-Ion Concentration ; Influenza A virus/*chemistry/genetics/metabolism ; Ion Channel Gating/drug effects ; Models, Molecular ; Protein Structure, Quaternary ; Protons ; Structure-Activity Relationship ; Tryptophan/metabolism ; Viral Matrix Proteins/*antagonists & inhibitors/*chemistry/genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 13
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    Genetics of gene expression and its effect on disease (2008)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2008-03-18
    Description: Common human diseases result from the interplay of many genes and environmental factors. Therefore, a more integrative biology approach is needed to unravel the complexity and causes of such diseases. To elucidate the complexity of common human diseases such as obesity, we have analysed the expression of 23,720 transcripts in large population-based blood and adipose tissue cohorts comprehensively assessed for various phenotypes, including traits related to clinical obesity. In contrast to the blood expression profiles, we observed a marked correlation between gene expression in adipose tissue and obesity-related traits. Genome-wide linkage and association mapping revealed a highly significant genetic component to gene expression traits, including a strong genetic effect of proximal (cis) signals, with 50% of the cis signals overlapping between the two tissues profiled. Here we demonstrate an extensive transcriptional network constructed from the human adipose data that exhibits significant overlap with similar network modules constructed from mouse adipose data. A core network module in humans and mice was identified that is enriched for genes involved in the inflammatory and immune response and has been found to be causally associated to obesity-related traits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Emilsson, Valur -- Thorleifsson, Gudmar -- Zhang, Bin -- Leonardson, Amy S -- Zink, Florian -- Zhu, Jun -- Carlson, Sonia -- Helgason, Agnar -- Walters, G Bragi -- Gunnarsdottir, Steinunn -- Mouy, Magali -- Steinthorsdottir, Valgerdur -- Eiriksdottir, Gudrun H -- Bjornsdottir, Gyda -- Reynisdottir, Inga -- Gudbjartsson, Daniel -- Helgadottir, Anna -- Jonasdottir, Aslaug -- Jonasdottir, Adalbjorg -- Styrkarsdottir, Unnur -- Gretarsdottir, Solveig -- Magnusson, Kristinn P -- Stefansson, Hreinn -- Fossdal, Ragnheidur -- Kristjansson, Kristleifur -- Gislason, Hjortur G -- Stefansson, Tryggvi -- Leifsson, Bjorn G -- Thorsteinsdottir, Unnur -- Lamb, John R -- Gulcher, Jeffrey R -- Reitman, Marc L -- Kong, Augustine -- Schadt, Eric E -- Stefansson, Kari -- England -- Nature. 2008 Mar 27;452(7186):423-8. doi: 10.1038/nature06758. Epub 2008 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉deCODE genetics, 101 Reykjavik, Iceland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18344981" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/metabolism ; Adolescent ; Adult ; Aged ; Aged, 80 and over ; Animals ; Blood/metabolism ; Body Mass Index ; Cohort Studies ; European Continental Ancestry Group/genetics ; Female ; *Gene Expression Profiling ; Gene Expression Regulation/*genetics ; Genome, Human ; Humans ; Iceland ; Lod Score ; Male ; Mice ; Middle Aged ; Obesity/*genetics ; Polymorphism, Single Nucleotide/genetics ; Quantitative Trait Loci/genetics ; Sample Size ; Waist-Hip Ratio
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 14
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    Role of the polycomb protein EED in the propagation of repressive histone marks (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-09-22
    Description: Polycomb group proteins have an essential role in the epigenetic maintenance of repressive chromatin states. The gene-silencing activity of the Polycomb repressive complex 2 (PRC2) depends on its ability to trimethylate lysine 27 of histone H3 (H3K27) by the catalytic SET domain of the EZH2 subunit, and at least two other subunits of the complex: SUZ12 and EED. Here we show that the carboxy-terminal domain of EED specifically binds to histone tails carrying trimethyl-lysine residues associated with repressive chromatin marks, and that this leads to the allosteric activation of the methyltransferase activity of PRC2. Mutations in EED that prevent it from recognizing repressive trimethyl-lysine marks abolish the activation of PRC2 in vitro and, in Drosophila, reduce global methylation and disrupt development. These findings suggest a model for the propagation of the H3K27me3 mark that accounts for the maintenance of repressive chromatin domains and for the transmission of a histone modification from mother to daughter cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3772642/" 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/PMC3772642/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Margueron, Raphael -- Justin, Neil -- Ohno, Katsuhito -- Sharpe, Miriam L -- Son, Jinsook -- Drury, William J 3rd -- Voigt, Philipp -- Martin, Stephen R -- Taylor, William R -- De Marco, Valeria -- Pirrotta, Vincenzo -- Reinberg, Danny -- Gamblin, Steven J -- GM064844/GM/NIGMS NIH HHS/ -- GM37120/GM/NIGMS NIH HHS/ -- MC_U117584222/Medical Research Council/United Kingdom -- R01 GM064844/GM/NIGMS NIH HHS/ -- R01 GM064844-08/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- Medical Research Council/United Kingdom -- England -- Nature. 2009 Oct 8;461(7265):762-7. doi: 10.1038/nature08398. Epub 2009 Sep 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute and Department of Biochemistry, New York University Medical School, 522 First Avenue, New York, New York 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19767730" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation ; Animals ; Cell Line ; Chromatin/chemistry/*genetics/metabolism ; Crystallography, X-Ray ; Drosophila Proteins/chemistry/genetics/*metabolism ; Drosophila melanogaster/*genetics/growth & development/*metabolism ; Enzyme Activation ; *Gene Silencing ; Histone-Lysine N-Methyltransferase/chemistry/metabolism ; Histones/*chemistry/*metabolism ; Lysine/analogs & derivatives/metabolism ; Methylation ; Models, Biological ; Models, Molecular ; Nuclear Proteins/metabolism ; Nucleosomes/chemistry/genetics/metabolism ; Polycomb Repressive Complex 2 ; Protein Binding ; Protein Structure, Tertiary ; Repressor Proteins/chemistry/genetics/*metabolism ; Substrate Specificity
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 15
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    The nucleosomal surface as a docking station for Kaposi's sarcoma herpesvirus LANA (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-02-14
    Description: Kaposi's sarcoma-associated herpesvirus (KSHV) latency-associated nuclear antigen (LANA) mediates viral genome attachment to mitotic chromosomes. We find that N-terminal LANA docks onto chromosomes by binding nucleosomes through the folded region of histones H2A-H2B. The same LANA residues were required for both H2A-H2B binding and chromosome association. Further, LANA did not bind Xenopus sperm chromatin, which is deficient in H2A-H2B; chromatin binding was rescued after assembly of nucleosomes containing H2A-H2B. We also describe the 2.9-angstrom crystal structure of a nucleosome complexed with the first 23 LANA amino acids. The LANA peptide forms a hairpin that interacts exclusively with an acidic H2A-H2B region that is implicated in the formation of higher order chromatin structure. Our findings present a paradigm for how nucleosomes may serve as binding platforms for viral and cellular proteins and reveal a previously unknown mechanism for KSHV latency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barbera, Andrew J -- Chodaparambil, Jayanth V -- Kelley-Clarke, Brenna -- Joukov, Vladimir -- Walter, Johannes C -- Luger, Karolin -- Kaye, Kenneth M -- CA82036/CA/NCI NIH HHS/ -- GM067777/GM/NIGMS NIH HHS/ -- GM62267/GM/NIGMS NIH HHS/ -- R01 GM067777/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Feb 10;311(5762):856-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16469929" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Substitution ; Animals ; Antigens, Viral/*chemistry/*metabolism ; Cell Line, Tumor ; Chromatin/metabolism ; Chromosomes/metabolism ; Chromosomes, Human/metabolism ; Chromosomes, Mammalian/metabolism ; Crystallography, X-Ray ; Dimerization ; Herpesvirus 8, Human/chemistry/*metabolism ; Histones/chemistry/*metabolism ; Humans ; Models, Molecular ; Mutation ; Nuclear Proteins/*chemistry/*metabolism ; Nucleosomes/*chemistry/*metabolism ; Protein Binding ; Protein Conformation ; Protein Folding ; Protein Structure, Tertiary ; Recombinant Fusion Proteins/metabolism ; Xenopus laevis
    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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  • 16
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    Structure of the 70S ribosome complexed with mRNA and tRNA (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-09
    Description: The crystal structure of the bacterial 70S ribosome refined to 2.8 angstrom resolution reveals atomic details of its interactions with messenger RNA (mRNA) and transfer RNA (tRNA). A metal ion stabilizes a kink in the mRNA that demarcates the boundary between A and P sites, which is potentially important to prevent slippage of mRNA. Metal ions also stabilize the intersubunit interface. The interactions of E-site tRNA with the 50S subunit have both similarities and differences compared to those in the archaeal ribosome. The structure also rationalizes much biochemical and genetic data on translation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Selmer, Maria -- Dunham, Christine M -- Murphy, Frank V 4th -- Weixlbaumer, Albert -- Petry, Sabine -- Kelley, Ann C -- Weir, John R -- Ramakrishnan, V -- GM67624/GM/NIGMS NIH HHS/ -- MC_U105184332/Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2006 Sep 29;313(5795):1935-42. Epub 2006 Sep 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MRC 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/16959973" target="_blank"〉PubMed〈/a〉
    Keywords: Anticodon ; Bacterial Proteins/*chemistry/metabolism ; Codon ; Crystallization ; Crystallography, X-Ray ; Magnesium/metabolism ; Models, Molecular ; Nucleic Acid Conformation ; Peptidyl Transferases/chemistry/metabolism ; Protein Biosynthesis ; Protein Conformation ; RNA, Bacterial/chemistry/metabolism ; RNA, Messenger/chemistry/*metabolism ; RNA, Transfer/chemistry/*metabolism ; RNA, Transfer, Met/chemistry/metabolism ; RNA, Transfer, Phe/chemistry/metabolism ; Ribosomal Proteins/*chemistry/metabolism ; Ribosomes/*chemistry/metabolism/*ultrastructure ; Thermus thermophilus/*chemistry/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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  • 17
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    A common variant on chromosome 9p21 affects the risk of myocardial infarction (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-05-05
    Description: The global endemic of cardiovascular diseases calls for improved risk assessment and treatment. Here, we describe an association between myocardial infarction (MI) and a common sequence variant on chromosome 9p21. This study included a total of 4587 cases and 12,767 controls. The identified variant, adjacent to the tumor suppressor genes CDKN2A and CDKN2B, was associated with the disease with high significance. Approximately 21% of individuals in the population are homozygous for this variant, and their estimated risk of suffering myocardial infarction is 1.64 times as great as that of noncarriers. The corresponding risk is 2.02 times as great for early-onset cases. The population attributable risk is 21% for MI in general and 31% for early-onset cases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Helgadottir, Anna -- Thorleifsson, Gudmar -- Manolescu, Andrei -- Gretarsdottir, Solveig -- Blondal, Thorarinn -- Jonasdottir, Aslaug -- Jonasdottir, Adalbjorg -- Sigurdsson, Asgeir -- Baker, Adam -- Palsson, Arnar -- Masson, Gisli -- Gudbjartsson, Daniel F -- Magnusson, Kristinn P -- Andersen, Karl -- Levey, Allan I -- Backman, Valgerdur M -- Matthiasdottir, Sigurborg -- Jonsdottir, Thorbjorg -- Palsson, Stefan -- Einarsdottir, Helga -- Gunnarsdottir, Steinunn -- Gylfason, Arnaldur -- Vaccarino, Viola -- Hooper, W Craig -- Reilly, Muredach P -- Granger, Christopher B -- Austin, Harland -- Rader, Daniel J -- Shah, Svati H -- Quyyumi, Arshed A -- Gulcher, Jeffrey R -- Thorgeirsson, Gudmundur -- Thorsteinsdottir, Unnur -- Kong, Augustine -- Stefansson, Kari -- New York, N.Y. -- Science. 2007 Jun 8;316(5830):1491-3. Epub 2007 May 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉deCODE genetics, Sturlugata 8, IS-101 Reykjavik, Iceland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17478679" target="_blank"〉PubMed〈/a〉
    Keywords: Age of Onset ; Aged ; Case-Control Studies ; Chromosome Mapping ; Chromosomes, Human, Pair 9/*genetics ; Coronary Artery Disease/genetics ; Female ; Genes, p16 ; *Genetic Predisposition to Disease ; *Genetic Variation ; Genotype ; Haplotypes ; Heterozygote ; Homozygote ; Humans ; Linkage Disequilibrium ; Male ; Middle Aged ; Myocardial Infarction/*genetics ; *Polymorphism, Single Nucleotide ; Risk Factors
    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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  • 18
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    Modulation of gene expression via disruption of NF-kappaB signaling by a bacterial small molecule (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-06-21
    Description: The control of innate immune responses through activation of the nuclear transcription factor NF-kappaB is essential for the elimination of invading microbial pathogens. We showed that the bacterial N-(3-oxo-dodecanoyl) homoserine lactone (C12) selectively impairs the regulation of NF-kappaB functions in activated mammalian cells. The consequence is specific repression of stimulus-mediated induction of NF-kappaB-responsive genes encoding inflammatory cytokines and other immune regulators. These findings uncover a strategy by which C12-producing opportunistic pathogens, such as Pseudomonas aeruginosa, attenuate the innate immune system to establish and maintain local persistent infection in humans, for example, in cystic fibrosis patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kravchenko, Vladimir V -- Kaufmann, Gunnar F -- Mathison, John C -- Scott, David A -- Katz, Alexander Z -- Grauer, David C -- Lehmann, Mandy -- Meijler, Michael M -- Janda, Kim D -- Ulevitch, Richard J -- New York, N.Y. -- Science. 2008 Jul 11;321(5886):259-63. doi: 10.1126/science.1156499. Epub 2008 Jun 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Sciences, Scripps Research Institute, 10550 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/18566250" target="_blank"〉PubMed〈/a〉
    Keywords: 4-Butyrolactone/*analogs & derivatives/physiology ; Adult ; Animals ; Cyclic AMP Response Element-Binding Protein/metabolism ; Cystic Fibrosis/microbiology ; Female ; *Gene Expression Regulation ; Homoserine/*analogs & derivatives/physiology ; Humans ; I-kappa B Kinase/metabolism ; I-kappa B Proteins/metabolism ; Immunity, Innate ; Interferon-gamma/immunology ; Lipopolysaccharides/immunology ; Macrophage Activation ; Macrophages/*immunology/*metabolism ; Male ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Middle Aged ; NF-kappa B/*metabolism ; Phosphorylation ; Pseudomonas Infections/immunology/microbiology ; Pseudomonas aeruginosa/immunology/*pathogenicity/physiology ; *Signal Transduction ; Toll-Like Receptors/metabolism ; Transcription Factor RelA/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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  • 19
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    Predicting human brain activity associated with the meanings of nouns (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-05-31
    Description: The question of how the human brain represents conceptual knowledge has been debated in many scientific fields. Brain imaging studies have shown that different spatial patterns of neural activation are associated with thinking about different semantic categories of pictures and words (for example, tools, buildings, and animals). We present a computational model that predicts the functional magnetic resonance imaging (fMRI) neural activation associated with words for which fMRI data are not yet available. This model is trained with a combination of data from a trillion-word text corpus and observed fMRI data associated with viewing several dozen concrete nouns. Once trained, the model predicts fMRI activation for thousands of other concrete nouns in the text corpus, with highly significant accuracies over the 60 nouns for which we currently have fMRI data.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitchell, Tom M -- Shinkareva, Svetlana V -- Carlson, Andrew -- Chang, Kai-Min -- Malave, Vicente L -- Mason, Robert A -- Just, Marcel Adam -- New York, N.Y. -- Science. 2008 May 30;320(5880):1191-5. doi: 10.1126/science.1152876.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Machine Learning Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA. Tom.Mitchell@cs.cmu.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18511683" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Brain/*physiology ; Brain Mapping ; Computational Biology ; Female ; Humans ; *Language ; Magnetic Resonance Imaging ; Male ; Models, Neurological ; Models, Statistical ; Semantics ; Speech Perception/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 20
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    Proteome organization in a genome-reduced bacterium (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-12-08
    Description: The genome of Mycoplasma pneumoniae is among the smallest found in self-replicating organisms. To study the basic principles of bacterial proteome organization, we used tandem affinity purification-mass spectrometry (TAP-MS) in a proteome-wide screen. The analysis revealed 62 homomultimeric and 116 heteromultimeric soluble protein complexes, of which the majority are novel. About a third of the heteromultimeric complexes show higher levels of proteome organization, including assembly into larger, multiprotein complex entities, suggesting sequential steps in biological processes, and extensive sharing of components, implying protein multifunctionality. Incorporation of structural models for 484 proteins, single-particle electron microscopy, and cellular electron tomograms provided supporting structural details for this proteome organization. The data set provides a blueprint of the minimal cellular machinery required for life.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuhner, Sebastian -- van Noort, Vera -- Betts, Matthew J -- Leo-Macias, Alejandra -- Batisse, Claire -- Rode, Michaela -- Yamada, Takuji -- Maier, Tobias -- Bader, Samuel -- Beltran-Alvarez, Pedro -- Castano-Diez, Daniel -- Chen, Wei-Hua -- Devos, Damien -- Guell, Marc -- Norambuena, Tomas -- Racke, Ines -- Rybin, Vladimir -- Schmidt, Alexander -- Yus, Eva -- Aebersold, Ruedi -- Herrmann, Richard -- Bottcher, Bettina -- Frangakis, Achilleas S -- Russell, Robert B -- Serrano, Luis -- Bork, Peer -- Gavin, Anne-Claude -- New York, N.Y. -- Science. 2009 Nov 27;326(5957):1235-40. doi: 10.1126/science.1176343.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉European Molecular Biology Laboratory, Meyerhofstrasse 1, D-69117 Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19965468" target="_blank"〉PubMed〈/a〉
    Keywords: Bacterial Proteins/*analysis/isolation & purification/metabolism ; Computational Biology ; *Genome, Bacterial ; Mass Spectrometry/methods ; Metabolic Networks and Pathways ; Microscopy, Electron ; Models, Biological ; Models, Molecular ; Multiprotein Complexes/*analysis/metabolism ; Mycoplasma pneumoniae/*chemistry/*genetics/metabolism/ultrastructure ; Pattern Recognition, Automated ; Protein Interaction Mapping ; *Proteome ; Systems Biology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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