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  • Molecular Sequence Data  (39)
  • Cell Line  (36)
  • Nature Publishing Group (NPG)  (74)
  • 1
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    The draft genome of the transgenic tropical fruit tree papaya (Carica papaya Linnaeus) (2008)
    Nature Publishing Group (NPG)
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    Publication Date: 2008-04-25
    Description: Papaya, a fruit crop cultivated in tropical and subtropical regions, is known for its nutritional benefits and medicinal applications. Here we report a 3x draft genome sequence of 'SunUp' papaya, the first commercial virus-resistant transgenic fruit tree to be sequenced. The papaya genome is three times the size of the Arabidopsis genome, but contains fewer genes, including significantly fewer disease-resistance gene analogues. Comparison of the five sequenced genomes suggests a minimal angiosperm gene set of 13,311. A lack of recent genome duplication, atypical of other angiosperm genomes sequenced so far, may account for the smaller papaya gene number in most functional groups. Nonetheless, striking amplifications in gene number within particular functional groups suggest roles in the evolution of tree-like habit, deposition and remobilization of starch reserves, attraction of seed dispersal agents, and adaptation to tropical daylengths. Transgenesis at three locations is closely associated with chloroplast insertions into the nuclear genome, and with topoisomerase I recognition sites. Papaya offers numerous advantages as a system for fruit-tree functional genomics, and this draft genome sequence provides the foundation for revealing the basis of Carica's distinguishing morpho-physiological, medicinal and nutritional properties.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2836516/" 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/PMC2836516/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ming, Ray -- Hou, Shaobin -- Feng, Yun -- Yu, Qingyi -- Dionne-Laporte, Alexandre -- Saw, Jimmy H -- Senin, Pavel -- Wang, Wei -- Ly, Benjamin V -- Lewis, Kanako L T -- Salzberg, Steven L -- Feng, Lu -- Jones, Meghan R -- Skelton, Rachel L -- Murray, Jan E -- Chen, Cuixia -- Qian, Wubin -- Shen, Junguo -- Du, Peng -- Eustice, Moriah -- Tong, Eric -- Tang, Haibao -- Lyons, Eric -- Paull, Robert E -- Michael, Todd P -- Wall, Kerr -- Rice, Danny W -- Albert, Henrik -- Wang, Ming-Li -- Zhu, Yun J -- Schatz, Michael -- Nagarajan, Niranjan -- Acob, Ricelle A -- Guan, Peizhu -- Blas, Andrea -- Wai, Ching Man -- Ackerman, Christine M -- Ren, Yan -- Liu, Chao -- Wang, Jianmei -- Wang, Jianping -- Na, Jong-Kuk -- Shakirov, Eugene V -- Haas, Brian -- Thimmapuram, Jyothi -- Nelson, David -- Wang, Xiyin -- Bowers, John E -- Gschwend, Andrea R -- Delcher, Arthur L -- Singh, Ratnesh -- Suzuki, Jon Y -- Tripathi, Savarni -- Neupane, Kabi -- Wei, Hairong -- Irikura, Beth -- Paidi, Maya -- Jiang, Ning -- Zhang, Wenli -- Presting, Gernot -- Windsor, Aaron -- Navajas-Perez, Rafael -- Torres, Manuel J -- Feltus, F Alex -- Porter, Brad -- Li, Yingjun -- Burroughs, A Max -- Luo, Ming-Cheng -- Liu, Lei -- Christopher, David A -- Mount, Stephen M -- Moore, Paul H -- Sugimura, Tak -- Jiang, Jiming -- Schuler, Mary A -- Friedman, Vikki -- Mitchell-Olds, Thomas -- Shippen, Dorothy E -- dePamphilis, Claude W -- Palmer, Jeffrey D -- Freeling, Michael -- Paterson, Andrew H -- Gonsalves, Dennis -- Wang, Lei -- Alam, Maqsudul -- R01 GM083873/GM/NIGMS NIH HHS/ -- R01 GM083873-05/GM/NIGMS NIH HHS/ -- R01 LM006845/LM/NLM NIH HHS/ -- R01 LM006845-08/LM/NLM NIH HHS/ -- England -- Nature. 2008 Apr 24;452(7190):991-6. doi: 10.1038/nature06856.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hawaii Agriculture Research Center, Aiea, Hawaii 96701, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18432245" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics ; Carica/*genetics ; Contig Mapping ; Databases, Genetic ; Genes, Plant/genetics ; Genome, Plant/*genetics ; Molecular Sequence Data ; Plants, Genetically Modified/genetics ; Sequence Alignment ; Sequence Analysis, DNA ; Transcription Factors/genetics ; Tropical Climate
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    DICER1 deficit induces Alu RNA toxicity in age-related macular degeneration (2011)
    Nature Publishing Group (NPG)
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    Publication Date: 2011-02-08
    Description: Geographic atrophy (GA), an untreatable advanced form of age-related macular degeneration, results from retinal pigmented epithelium (RPE) cell degeneration. Here we show that the microRNA (miRNA)-processing enzyme DICER1 is reduced in the RPE of humans with GA, and that conditional ablation of Dicer1, but not seven other miRNA-processing enzymes, induces RPE degeneration in mice. DICER1 knockdown induces accumulation of Alu RNA in human RPE cells and Alu-like B1 and B2 RNAs in mouse RPE. Alu RNA is increased in the RPE of humans with GA, and this pathogenic RNA induces human RPE cytotoxicity and RPE degeneration in mice. Antisense oligonucleotides targeting Alu/B1/B2 RNAs prevent DICER1 depletion-induced RPE degeneration despite global miRNA downregulation. DICER1 degrades Alu RNA, and this digested Alu RNA cannot induce RPE degeneration in mice. These findings reveal a miRNA-independent cell survival function for DICER1 involving retrotransposon transcript degradation, show that Alu RNA can directly cause human pathology, and identify new targets for a major cause of blindness.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3077055/" 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/PMC3077055/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaneko, Hiroki -- Dridi, Sami -- Tarallo, Valeria -- Gelfand, Bradley D -- Fowler, Benjamin J -- Cho, Won Gil -- Kleinman, Mark E -- Ponicsan, Steven L -- Hauswirth, William W -- Chiodo, Vince A -- Kariko, Katalin -- Yoo, Jae Wook -- Lee, Dong-ki -- Hadziahmetovic, Majda -- Song, Ying -- Misra, Smita -- Chaudhuri, Gautam -- Buaas, Frank W -- Braun, Robert E -- Hinton, David R -- Zhang, Qing -- Grossniklaus, Hans E -- Provis, Jan M -- Madigan, Michele C -- Milam, Ann H -- Justice, Nikki L -- Albuquerque, Romulo J C -- Blandford, Alexander D -- Bogdanovich, Sasha -- Hirano, Yoshio -- Witta, Jassir -- Fuchs, Elaine -- Littman, Dan R -- Ambati, Balamurali K -- Rudin, Charles M -- Chong, Mark M W -- Provost, Patrick -- Kugel, Jennifer F -- Goodrich, James A -- Dunaief, Joshua L -- Baffi, Judit Z -- Ambati, Jayakrishna -- NIHU10EY013729/EY/NEI NIH HHS/ -- P30 EY006360/EY/NEI NIH HHS/ -- P30 EY014800/EY/NEI NIH HHS/ -- P30 EY014800-07/EY/NEI NIH HHS/ -- P30 EY021721/EY/NEI NIH HHS/ -- P30EY003040/EY/NEI NIH HHS/ -- P30EY008571/EY/NEI NIH HHS/ -- P30EY06360/EY/NEI NIH HHS/ -- R01 EY018350/EY/NEI NIH HHS/ -- R01 EY018350-05/EY/NEI NIH HHS/ -- R01 EY018836/EY/NEI NIH HHS/ -- R01 EY018836-04/EY/NEI NIH HHS/ -- R01 EY020672/EY/NEI NIH HHS/ -- R01 EY020672-02/EY/NEI NIH HHS/ -- R01 GM068414/GM/NIGMS NIH HHS/ -- R01EY001545/EY/NEI NIH HHS/ -- R01EY011123/EY/NEI NIH HHS/ -- R01EY015240/EY/NEI NIH HHS/ -- R01EY015422/EY/NEI NIH HHS/ -- R01EY017182/EY/NEI NIH HHS/ -- R01EY017950/EY/NEI NIH HHS/ -- R01EY018350/EY/NEI NIH HHS/ -- R01EY018836/EY/NEI NIH HHS/ -- R01EY020672/EY/NEI NIH HHS/ -- R01GM068414/GM/NIGMS NIH HHS/ -- R01HD027215/HD/NICHD NIH HHS/ -- R21 EY019778/EY/NEI NIH HHS/ -- R21 EY019778-02/EY/NEI NIH HHS/ -- R21AI076757/AI/NIAID NIH HHS/ -- R21EY019778/EY/NEI NIH HHS/ -- RC1 EY020442/EY/NEI NIH HHS/ -- RC1 EY020442-02/EY/NEI NIH HHS/ -- RC1EY020442/EY/NEI NIH HHS/ -- T32HL091812/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2011 Mar 17;471(7338):325-30. doi: 10.1038/nature09830. Epub 2011 Feb 6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ophthalmology & Visual Sciences, University of Kentucky, Lexington, Kentucky 40506, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21297615" target="_blank"〉PubMed〈/a〉
    Keywords: Alu Elements/*genetics ; Animals ; Cell Death ; Cell Survival ; Cells, Cultured ; DEAD-box RNA Helicases/*deficiency/genetics/metabolism ; Gene Knockdown Techniques ; Humans ; Macular Degeneration/*genetics/*pathology ; Mice ; MicroRNAs/metabolism ; Molecular Sequence Data ; Oligonucleotides, Antisense ; Phenotype ; RNA/*genetics/*metabolism ; Retinal Pigment Epithelium/enzymology/metabolism/pathology ; Ribonuclease III/*deficiency/genetics/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
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    Mitochondrial DNA stress primes the antiviral innate immune response (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-02-03
    Description: Mitochondrial DNA (mtDNA) is normally present at thousands of copies per cell and is packaged into several hundred higher-order structures termed nucleoids. The abundant mtDNA-binding protein TFAM (transcription factor A, mitochondrial) regulates nucleoid architecture, abundance and segregation. Complete mtDNA depletion profoundly impairs oxidative phosphorylation, triggering calcium-dependent stress signalling and adaptive metabolic responses. However, the cellular responses to mtDNA instability, a physiologically relevant stress observed in many human diseases and ageing, remain poorly defined. Here we show that moderate mtDNA stress elicited by TFAM deficiency engages cytosolic antiviral signalling to enhance the expression of a subset of interferon-stimulated genes. Mechanistically, we find that aberrant mtDNA packaging promotes escape of mtDNA into the cytosol, where it engages the DNA sensor cGAS (also known as MB21D1) and promotes STING (also known as TMEM173)-IRF3-dependent signalling to elevate interferon-stimulated gene expression, potentiate type I interferon responses and confer broad viral resistance. Furthermore, we demonstrate that herpesviruses induce mtDNA stress, which enhances antiviral signalling and type I interferon responses during infection. Our results further demonstrate that mitochondria are central participants in innate immunity, identify mtDNA stress as a cell-intrinsic trigger of antiviral signalling and suggest that cellular monitoring of mtDNA homeostasis cooperates with canonical virus sensing mechanisms to fully engage antiviral innate immunity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4409480/" 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/PMC4409480/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉West, A Phillip -- Khoury-Hanold, William -- Staron, Matthew -- Tal, Michal C -- Pineda, Cristiana M -- Lang, Sabine M -- Bestwick, Megan -- Duguay, Brett A -- Raimundo, Nuno -- MacDuff, Donna A -- Kaech, Susan M -- Smiley, James R -- Means, Robert E -- Iwasaki, Akiko -- Shadel, Gerald S -- F31 AG039163/AG/NIA NIH HHS/ -- F32 DK091042/DK/NIDDK NIH HHS/ -- MOP37995/Canadian Institutes of Health Research/Canada -- P01 ES011163/ES/NIEHS NIH HHS/ -- R01 AG047632/AG/NIA NIH HHS/ -- R01 AI054359/AI/NIAID NIH HHS/ -- R01 AI081884/AI/NIAID NIH HHS/ -- T32 AI055403/AI/NIAID NIH HHS/ -- UL1 TR000142/TR/NCATS NIH HHS/ -- England -- Nature. 2015 Apr 23;520(7548):553-7. doi: 10.1038/nature14156. Epub 2015 Feb 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Yale School of Medicine, New Haven, Connecticut 06520, USA. ; Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut 06520, USA. ; Li Ka Shing Institute of Virology, Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta T6G 2S2, Canada. ; Department of Pathology and Immunology, Washington University School of Medicine, St Louis, Missouri 63110, USA. ; 1] Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut 06520, USA [2] Howard Hughes Medical Institute, Chevy Chase, Maryland 20815-6789, USA. ; 1] Department of Pathology, Yale School of Medicine, New Haven, Connecticut 06520, USA [2] Department of Genetics, Yale School of Medicine, New Haven, Connecticut 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25642965" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA, Mitochondrial/*metabolism ; DNA-Binding Proteins/deficiency/genetics/metabolism ; Female ; Gene Expression Regulation/genetics/immunology ; Herpesvirus 1, Human/*immunology ; High Mobility Group Proteins/deficiency/genetics/metabolism ; Humans ; Immunity, Innate/*immunology ; Interferon Regulatory Factor-3/metabolism ; Interferon Type I/immunology ; Membrane Proteins/metabolism ; Mice ; Nucleotidyltransferases/metabolism ; *Stress, Physiological
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Insights into hominid evolution from the gorilla genome sequence (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-03-09
    Description: Gorillas are humans' closest living relatives after chimpanzees, and are of comparable importance for the study of human origins and evolution. Here we present the assembly and analysis of a genome sequence for the western lowland gorilla, and compare the whole genomes of all extant great ape genera. We propose a synthesis of genetic and fossil evidence consistent with placing the human-chimpanzee and human-chimpanzee-gorilla speciation events at approximately 6 and 10 million years ago. In 30% of the genome, gorilla is closer to human or chimpanzee than the latter are to each other; this is rarer around coding genes, indicating pervasive selection throughout great ape evolution, and has functional consequences in gene expression. A comparison of protein coding genes reveals approximately 500 genes showing accelerated evolution on each of the gorilla, human and chimpanzee lineages, and evidence for parallel acceleration, particularly of genes involved in hearing. We also compare the western and eastern gorilla species, estimating an average sequence divergence time 1.75 million years ago, but with evidence for more recent genetic exchange and a population bottleneck in the eastern species. The use of the genome sequence in these and future analyses will promote a deeper understanding of great ape biology and evolution.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3303130/" 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/PMC3303130/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scally, Aylwyn -- Dutheil, Julien Y -- Hillier, LaDeana W -- Jordan, Gregory E -- Goodhead, Ian -- Herrero, Javier -- Hobolth, Asger -- Lappalainen, Tuuli -- Mailund, Thomas -- Marques-Bonet, Tomas -- McCarthy, Shane -- Montgomery, Stephen H -- Schwalie, Petra C -- Tang, Y Amy -- Ward, Michelle C -- Xue, Yali -- Yngvadottir, Bryndis -- Alkan, Can -- Andersen, Lars N -- Ayub, Qasim -- Ball, Edward V -- Beal, Kathryn -- Bradley, Brenda J -- Chen, Yuan -- Clee, Chris M -- Fitzgerald, Stephen -- Graves, Tina A -- Gu, Yong -- Heath, Paul -- Heger, Andreas -- Karakoc, Emre -- Kolb-Kokocinski, Anja -- Laird, Gavin K -- Lunter, Gerton -- Meader, Stephen -- Mort, Matthew -- Mullikin, James C -- Munch, Kasper -- O'Connor, Timothy D -- Phillips, Andrew D -- Prado-Martinez, Javier -- Rogers, Anthony S -- Sajjadian, Saba -- Schmidt, Dominic -- Shaw, Katy -- Simpson, Jared T -- Stenson, Peter D -- Turner, Daniel J -- Vigilant, Linda -- Vilella, Albert J -- Whitener, Weldon -- Zhu, Baoli -- Cooper, David N -- de Jong, Pieter -- Dermitzakis, Emmanouil T -- Eichler, Evan E -- Flicek, Paul -- Goldman, Nick -- Mundy, Nicholas I -- Ning, Zemin -- Odom, Duncan T -- Ponting, Chris P -- Quail, Michael A -- Ryder, Oliver A -- Searle, Stephen M -- Warren, Wesley C -- Wilson, Richard K -- Schierup, Mikkel H -- Rogers, Jane -- Tyler-Smith, Chris -- Durbin, Richard -- 062023/Wellcome Trust/United Kingdom -- 075491/Z/04/Wellcome Trust/United Kingdom -- 077009/Wellcome Trust/United Kingdom -- 077192/Wellcome Trust/United Kingdom -- 077198/Wellcome Trust/United Kingdom -- 089066/Wellcome Trust/United Kingdom -- 090532/Wellcome Trust/United Kingdom -- 095908/Wellcome Trust/United Kingdom -- 15603/Cancer Research UK/United Kingdom -- 202218/European Research Council/International -- A15603/Cancer Research UK/United Kingdom -- G0501331/Medical Research Council/United Kingdom -- G0701805/Medical Research Council/United Kingdom -- HG002385/HG/NHGRI NIH HHS/ -- U54 HG003079/HG/NHGRI NIH HHS/ -- WT062023/Wellcome Trust/United Kingdom -- WT077009/Wellcome Trust/United Kingdom -- WT077192/Wellcome Trust/United Kingdom -- WT077198/Wellcome Trust/United Kingdom -- WT089066/Wellcome Trust/United Kingdom -- Medical Research Council/United Kingdom -- Biotechnology and Biological Sciences Research Council/United Kingdom -- Howard Hughes Medical Institute/ -- Intramural NIH HHS/ -- England -- Nature. 2012 Mar 7;483(7388):169-75. doi: 10.1038/nature10842.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton CB10 1SA, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22398555" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Evolution, Molecular ; Female ; Gene Expression Regulation ; *Genetic Speciation ; Genetic Variation/genetics ; Genome/*genetics ; Genomics ; Gorilla gorilla/*genetics ; Humans ; Macaca mulatta/genetics ; Molecular Sequence Data ; Pan troglodytes/genetics ; Phylogeny ; Pongo/genetics ; Proteins/genetics ; Sequence Alignment ; Species Specificity ; Transcription, Genetic
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  • 5
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    Recognition determinants of broadly neutralizing human antibodies against dengue viruses (2015)
    Nature Publishing Group (NPG)
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    Publication Date: 2015-01-13
    Description: Dengue disease is caused by four different flavivirus serotypes, which infect 390 million people yearly with 25% symptomatic cases and for which no licensed vaccine is available. Recent phase III vaccine trials showed partial protection, and in particular no protection for dengue virus serotype 2 (refs 3, 4). Structural studies so far have characterized only epitopes recognized by serotype-specific human antibodies. We recently isolated human antibodies potently neutralizing all four dengue virus serotypes. Here we describe the X-ray structures of four of these broadly neutralizing antibodies in complex with the envelope glycoprotein E from dengue virus serotype 2, revealing that the recognition determinants are at a serotype-invariant site at the E-dimer interface, including the exposed main chain of the E fusion loop and the two conserved glycan chains. This 'E-dimer-dependent epitope' is also the binding site for the viral glycoprotein prM during virus maturation in the secretory pathway of the infected cell, explaining its conservation across serotypes and highlighting an Achilles' heel of the virus with respect to antibody neutralization. These findings will be instrumental for devising novel immunogens to protect simultaneously against all four serotypes of dengue virus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rouvinski, Alexander -- Guardado-Calvo, Pablo -- Barba-Spaeth, Giovanna -- Duquerroy, Stephane -- Vaney, Marie-Christine -- Kikuti, Carlos M -- Navarro Sanchez, M Erika -- Dejnirattisai, Wanwisa -- Wongwiwat, Wiyada -- Haouz, Ahmed -- Girard-Blanc, Christine -- Petres, Stephane -- Shepard, William E -- Despres, Philippe -- Arenzana-Seisdedos, Fernando -- Dussart, Philippe -- Mongkolsapaya, Juthathip -- Screaton, Gavin R -- Rey, Felix A -- 095541/Wellcome Trust/United Kingdom -- Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2015 Apr 2;520(7545):109-13. doi: 10.1038/nature14130. Epub 2015 Jan 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Institut Pasteur, Departement de Virologie, Unite de Virologie Structurale, 75724 Paris Cedex 15, France [2] CNRS UMR 3569 Virologie, 75724 Paris Cedex 15, France. ; 1] Institut Pasteur, Departement de Virologie, Unite de Virologie Structurale, 75724 Paris Cedex 15, France [2] CNRS UMR 3569 Virologie, 75724 Paris Cedex 15, France [3] Universite Paris-Sud, Faculte des Sciences, 91405 Orsay, France. ; Division of Immunology and Inflammation, Department of Medicine, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK. ; Institut Pasteur, Proteopole, CNRS UMR 3528, 75724 Paris Cedex 15, France. ; Synchrotron SOLEIL, L'Orme des Merisiers, Saint Aubin, BP48, 91192 Gif-sur-Yvette, France. ; Institut Pasteur, Departement de Virologie, Unite des Interactions Moleculaires Flavivirus-Hotes, 75724 Paris Cedex 15, France. ; Institut Pasteur, Departement de Virologie, Unite de Pathogenie Virale, INSERM U1108, 75724 Paris Cedex 15, France. ; Institut Pasteur de Guyane, BP 6010, 97306 Cayenne, French Guiana. ; 1] Division of Immunology and Inflammation, Department of Medicine, Hammersmith Hospital Campus, Imperial College London, London W12 0NN, UK [2] Dengue Hemorrhagic Fever Research Unit, Office for Research and Development, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand. ; 1] Institut Pasteur, Departement de Virologie, Unite de Virologie Structurale, 75724 Paris Cedex 15, France [2] CNRS UMR 3569 Virologie, 75724 Paris Cedex 15, France [3] Institut Pasteur, Proteopole, CNRS UMR 3528, 75724 Paris Cedex 15, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25581790" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Neutralizing/*chemistry/genetics/*immunology ; Antibodies, Viral/*chemistry/genetics/*immunology ; Cross Reactions/immunology ; Crystallography, X-Ray ; Dengue Virus/*chemistry/classification/*immunology ; Epitopes/chemistry/immunology ; Humans ; Models, Molecular ; Molecular Sequence Data ; Mutation/genetics ; Protein Conformation ; Protein Multimerization ; Solubility ; Species Specificity ; Viral Envelope Proteins/chemistry/immunology
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  • 6
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    Genome sequence and analysis of the Irish potato famine pathogen Phytophthora infestans (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-09-11
    Description: Phytophthora infestans is the most destructive pathogen of potato and a model organism for the oomycetes, a distinct lineage of fungus-like eukaryotes that are related to organisms such as brown algae and diatoms. As the agent of the Irish potato famine in the mid-nineteenth century, P. infestans has had a tremendous effect on human history, resulting in famine and population displacement. To this day, it affects world agriculture by causing the most destructive disease of potato, the fourth largest food crop and a critical alternative to the major cereal crops for feeding the world's population. Current annual worldwide potato crop losses due to late blight are conservatively estimated at $6.7 billion. Management of this devastating pathogen is challenged by its remarkable speed of adaptation to control strategies such as genetically resistant cultivars. Here we report the sequence of the P. infestans genome, which at approximately 240 megabases (Mb) is by far the largest and most complex genome sequenced so far in the chromalveolates. Its expansion results from a proliferation of repetitive DNA accounting for approximately 74% of the genome. Comparison with two other Phytophthora genomes showed rapid turnover and extensive expansion of specific families of secreted disease effector proteins, including many genes that are induced during infection or are predicted to have activities that alter host physiology. These fast-evolving effector genes are localized to highly dynamic and expanded regions of the P. infestans genome. This probably plays a crucial part in the rapid adaptability of the pathogen to host plants and underpins its evolutionary potential.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haas, Brian J -- Kamoun, Sophien -- Zody, Michael C -- Jiang, Rays H Y -- Handsaker, Robert E -- Cano, Liliana M -- Grabherr, Manfred -- Kodira, Chinnappa D -- Raffaele, Sylvain -- Torto-Alalibo, Trudy -- Bozkurt, Tolga O -- Ah-Fong, Audrey M V -- Alvarado, Lucia -- Anderson, Vicky L -- Armstrong, Miles R -- Avrova, Anna -- Baxter, Laura -- Beynon, Jim -- Boevink, Petra C -- Bollmann, Stephanie R -- Bos, Jorunn I B -- Bulone, Vincent -- Cai, Guohong -- Cakir, Cahid -- Carrington, James C -- Chawner, Megan -- Conti, Lucio -- Costanzo, Stefano -- Ewan, Richard -- Fahlgren, Noah -- Fischbach, Michael A -- Fugelstad, Johanna -- Gilroy, Eleanor M -- Gnerre, Sante -- Green, Pamela J -- Grenville-Briggs, Laura J -- Griffith, John -- Grunwald, Niklaus J -- Horn, Karolyn -- Horner, Neil R -- Hu, Chia-Hui -- Huitema, Edgar -- Jeong, Dong-Hoon -- Jones, Alexandra M E -- Jones, Jonathan D G -- Jones, Richard W -- Karlsson, Elinor K -- Kunjeti, Sridhara G -- Lamour, Kurt -- Liu, Zhenyu -- Ma, Lijun -- Maclean, Daniel -- Chibucos, Marcus C -- McDonald, Hayes -- McWalters, Jessica -- Meijer, Harold J G -- Morgan, William -- Morris, Paul F -- Munro, Carol A -- O'Neill, Keith -- Ospina-Giraldo, Manuel -- Pinzon, Andres -- Pritchard, Leighton -- Ramsahoye, Bernard -- Ren, Qinghu -- Restrepo, Silvia -- Roy, Sourav -- Sadanandom, Ari -- Savidor, Alon -- Schornack, Sebastian -- Schwartz, David C -- Schumann, Ulrike D -- Schwessinger, Ben -- Seyer, Lauren -- Sharpe, Ted -- Silvar, Cristina -- Song, Jing -- Studholme, David J -- Sykes, Sean -- Thines, Marco -- van de Vondervoort, Peter J I -- Phuntumart, Vipaporn -- Wawra, Stephan -- Weide, Rob -- Win, Joe -- Young, Carolyn -- Zhou, Shiguo -- Fry, William -- Meyers, Blake C -- van West, Pieter -- Ristaino, Jean -- Govers, Francine -- Birch, Paul R J -- Whisson, Stephen C -- Judelson, Howard S -- Nusbaum, Chad -- BB/E007120/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G015244/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- G0400284/Medical Research Council/United Kingdom -- England -- Nature. 2009 Sep 17;461(7262):393-8. doi: 10.1038/nature08358. Epub 2009 Sep 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02141, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19741609" target="_blank"〉PubMed〈/a〉
    Keywords: Algal Proteins/genetics ; DNA Transposable Elements/genetics ; DNA, Intergenic/genetics ; Evolution, Molecular ; Genome/*genetics ; Host-Pathogen Interactions/genetics ; Humans ; Ireland ; Molecular Sequence Data ; Necrosis ; Phenotype ; Phytophthora infestans/*genetics/pathogenicity ; Plant Diseases/immunology/*microbiology ; Solanum tuberosum/immunology/*microbiology ; Starvation
    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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  • 7
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    The genomic basis of adaptive evolution in threespine sticklebacks (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-04-07
    Description: Marine stickleback fish have colonized and adapted to thousands of streams and lakes formed since the last ice age, providing an exceptional opportunity to characterize genomic mechanisms underlying repeated ecological adaptation in nature. Here we develop a high-quality reference genome assembly for threespine sticklebacks. By sequencing the genomes of twenty additional individuals from a global set of marine and freshwater populations, we identify a genome-wide set of loci that are consistently associated with marine-freshwater divergence. Our results indicate that reuse of globally shared standing genetic variation, including chromosomal inversions, has an important role in repeated evolution of distinct marine and freshwater sticklebacks, and in the maintenance of divergent ecotypes during early stages of reproductive isolation. Both coding and regulatory changes occur in the set of loci underlying marine-freshwater evolution, but regulatory changes appear to predominate in this well known example of repeated adaptive evolution in nature.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3322419/" 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/PMC3322419/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Felicity C -- Grabherr, Manfred G -- Chan, Yingguang Frank -- Russell, Pamela -- Mauceli, Evan -- Johnson, Jeremy -- Swofford, Ross -- Pirun, Mono -- Zody, Michael C -- White, Simon -- Birney, Ewan -- Searle, Stephen -- Schmutz, Jeremy -- Grimwood, Jane -- Dickson, Mark C -- Myers, Richard M -- Miller, Craig T -- Summers, Brian R -- Knecht, Anne K -- Brady, Shannon D -- Zhang, Haili -- Pollen, Alex A -- Howes, Timothy -- Amemiya, Chris -- Broad Institute Genome Sequencing Platform & Whole Genome Assembly Team -- Baldwin, Jen -- Bloom, Toby -- Jaffe, David B -- Nicol, Robert -- Wilkinson, Jane -- Lander, Eric S -- Di Palma, Federica -- Lindblad-Toh, Kerstin -- Kingsley, David M -- 095908/Wellcome Trust/United Kingdom -- P50 HG002568/HG/NHGRI NIH HHS/ -- P50 HG002568-09/HG/NHGRI NIH HHS/ -- P50 HG002568-09S1/HG/NHGRI NIH HHS/ -- P50-HG002568/HG/NHGRI NIH HHS/ -- R01 HG003474/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Apr 4;484(7392):55-61. doi: 10.1038/nature10944.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, Beckman Center B300, Stanford University School of Medicine, Stanford California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22481358" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological/*genetics ; Alaska ; Animals ; Aquatic Organisms/genetics ; *Biological Evolution ; Chromosome Inversion/genetics ; Chromosomes/genetics ; Conserved Sequence/genetics ; Ecotype ; Female ; Fresh Water ; Genetic Variation/genetics ; Genome/*genetics ; Genomics ; Molecular Sequence Data ; Seawater ; Sequence Analysis, DNA ; Smegmamorpha/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    A promoter-level mammalian expression atlas (2014)
    Nature Publishing Group (NPG)
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    Publication Date: 2014-03-29
    Description: Regulated transcription controls the diversity, developmental pathways and spatial organization of the hundreds of cell types that make up a mammal. Using single-molecule cDNA sequencing, we mapped transcription start sites (TSSs) and their usage in human and mouse primary cells, cell lines and tissues to produce a comprehensive overview of mammalian gene expression across the human body. We find that few genes are truly 'housekeeping', whereas many mammalian promoters are composite entities composed of several closely separated TSSs, with independent cell-type-specific expression profiles. TSSs specific to different cell types evolve at different rates, whereas promoters of broadly expressed genes are the most conserved. Promoter-based expression analysis reveals key transcription factors defining cell states and links them to binding-site motifs. The functions of identified novel transcripts can be predicted by coexpression and sample ontology enrichment analyses. The functional annotation of the mammalian genome 5 (FANTOM5) project provides comprehensive expression profiles and functional annotation of mammalian cell-type-specific transcriptomes with wide applications in biomedical research.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4529748/" 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/PMC4529748/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉FANTOM Consortium and the RIKEN PMI and CLST (DGT) -- Forrest, Alistair R R -- Kawaji, Hideya -- Rehli, Michael -- Baillie, J Kenneth -- de Hoon, Michiel J L -- Haberle, Vanja -- Lassmann, Timo -- Kulakovskiy, Ivan V -- Lizio, Marina -- Itoh, Masayoshi -- Andersson, Robin -- Mungall, Christopher J -- Meehan, Terrence F -- Schmeier, Sebastian -- Bertin, Nicolas -- Jorgensen, Mette -- Dimont, Emmanuel -- Arner, Erik -- Schmidl, Christian -- Schaefer, Ulf -- Medvedeva, Yulia A -- Plessy, Charles -- Vitezic, Morana -- Severin, Jessica -- Semple, Colin A -- Ishizu, Yuri -- Young, Robert S -- Francescatto, Margherita -- Alam, Intikhab -- Albanese, Davide -- Altschuler, Gabriel M -- Arakawa, Takahiro -- Archer, John A C -- Arner, Peter -- Babina, Magda -- Rennie, Sarah -- Balwierz, Piotr J -- Beckhouse, Anthony G -- Pradhan-Bhatt, Swati -- Blake, Judith A -- Blumenthal, Antje -- Bodega, Beatrice -- Bonetti, Alessandro -- Briggs, James -- Brombacher, Frank -- Burroughs, A Maxwell -- Califano, Andrea -- Cannistraci, Carlo V -- Carbajo, Daniel -- Chen, Yun -- Chierici, Marco -- Ciani, Yari -- Clevers, Hans C -- Dalla, Emiliano -- Davis, Carrie A -- Detmar, Michael -- Diehl, Alexander D -- Dohi, Taeko -- Drablos, Finn -- Edge, Albert S B -- Edinger, Matthias -- Ekwall, Karl -- Endoh, Mitsuhiro -- Enomoto, Hideki -- Fagiolini, Michela -- Fairbairn, Lynsey -- Fang, Hai -- Farach-Carson, Mary C -- Faulkner, Geoffrey J -- Favorov, Alexander V -- Fisher, Malcolm E -- Frith, Martin C -- Fujita, Rie -- Fukuda, Shiro -- Furlanello, Cesare -- Furino, Masaaki -- Furusawa, Jun-ichi -- Geijtenbeek, Teunis B -- Gibson, Andrew P -- Gingeras, Thomas -- Goldowitz, Daniel -- Gough, Julian -- Guhl, Sven -- Guler, Reto -- Gustincich, Stefano -- Ha, Thomas J -- Hamaguchi, Masahide -- Hara, Mitsuko -- Harbers, Matthias -- Harshbarger, Jayson -- Hasegawa, Akira -- Hasegawa, Yuki -- Hashimoto, Takehiro -- Herlyn, Meenhard -- Hitchens, Kelly J -- Ho Sui, Shannan J -- Hofmann, Oliver M -- Hoof, Ilka -- Hori, Furni -- Huminiecki, Lukasz -- Iida, Kei -- Ikawa, Tomokatsu -- Jankovic, Boris R -- Jia, Hui -- Joshi, Anagha -- Jurman, Giuseppe -- Kaczkowski, Bogumil -- Kai, Chieko -- Kaida, Kaoru -- Kaiho, Ai -- Kajiyama, Kazuhiro -- Kanamori-Katayama, Mutsumi -- Kasianov, Artem S -- Kasukawa, Takeya -- Katayama, Shintaro -- Kato, Sachi -- Kawaguchi, Shuji -- Kawamoto, Hiroshi -- Kawamura, Yuki I -- Kawashima, Tsugumi -- Kempfle, Judith S -- Kenna, Tony J -- Kere, Juha -- Khachigian, Levon M -- Kitamura, Toshio -- Klinken, S Peter -- Knox, Alan J -- Kojima, Miki -- Kojima, Soichi -- Kondo, Naoto -- Koseki, Haruhiko -- Koyasu, Shigeo -- Krampitz, Sarah -- Kubosaki, Atsutaka -- Kwon, Andrew T -- Laros, Jeroen F J -- Lee, Weonju -- Lennartsson, Andreas -- Li, Kang -- Lilje, Berit -- Lipovich, Leonard -- Mackay-Sim, Alan -- Manabe, Ri-ichiroh -- Mar, Jessica C -- Marchand, Benoit -- Mathelier, Anthony -- Mejhert, Niklas -- Meynert, Alison -- Mizuno, Yosuke -- de Lima Morais, David A -- Morikawa, Hiromasa -- Morimoto, Mitsuru -- Moro, Kazuyo -- Motakis, Efthymios -- Motohashi, Hozumi -- Mummery, Christine L -- Murata, Mitsuyoshi -- Nagao-Sato, Sayaka -- Nakachi, Yutaka -- Nakahara, Fumio -- Nakamura, Toshiyuki -- Nakamura, Yukio -- Nakazato, Kenichi -- van Nimwegen, Erik -- Ninomiya, Noriko -- Nishiyori, Hiromi -- Noma, Shohei -- Noazaki, Tadasuke -- Ogishima, Soichi -- Ohkura, Naganari -- Ohimiya, Hiroko -- Ohno, Hiroshi -- Ohshima, Mitsuhiro -- Okada-Hatakeyama, Mariko -- Okazaki, Yasushi -- Orlando, Valerio -- Ovchinnikov, Dmitry A -- Pain, Arnab -- Passier, Robert -- Patrikakis, Margaret -- Persson, Helena -- Piazza, Silvano -- Prendergast, James G D -- Rackham, Owen J L -- Ramilowski, Jordan A -- Rashid, Mamoon -- Ravasi, Timothy -- Rizzu, Patrizia -- Roncador, Marco -- Roy, Sugata -- Rye, Morten B -- Saijyo, Eri -- Sajantila, Antti -- Saka, Akiko -- Sakaguchi, Shimon -- Sakai, Mizuho -- Sato, Hiroki -- Savvi, Suzana -- Saxena, Alka -- Schneider, Claudio -- Schultes, Erik A -- Schulze-Tanzil, Gundula G -- Schwegmann, Anita -- Sengstag, Thierry -- Sheng, Guojun -- Shimoji, Hisashi -- Shimoni, Yishai -- Shin, Jay W -- Simon, Christophe -- Sugiyama, Daisuke -- Sugiyama, Takaai -- Suzuki, Masanori -- Suzuki, Naoko -- Swoboda, Rolf K -- 't Hoen, Peter A C -- Tagami, Michihira -- Takahashi, Naoko -- Takai, Jun -- Tanaka, Hiroshi -- Tatsukawa, Hideki -- Tatum, Zuotian -- Thompson, Mark -- Toyodo, Hiroo -- Toyoda, Tetsuro -- Valen, Elvind -- van de Wetering, Marc -- van den Berg, Linda M -- Verado, Roberto -- Vijayan, Dipti -- Vorontsov, Ilya E -- Wasserman, Wyeth W -- Watanabe, Shoko -- Wells, Christine A -- Winteringham, Louise N -- Wolvetang, Ernst -- Wood, Emily J -- Yamaguchi, Yoko -- Yamamoto, Masayuki -- Yoneda, Misako -- Yonekura, Yohei -- Yoshida, Shigehiro -- Zabierowski, Susan E -- Zhang, Peter G -- Zhao, Xiaobei -- Zucchelli, Silvia -- Summers, Kim M -- Suzuki, Harukazu -- Daub, Carsten O -- Kawai, Jun -- Heutink, Peter -- Hide, Winston -- Freeman, Tom C -- Lenhard, Boris -- Bajic, Vladimir B -- Taylor, Martin S -- Makeev, Vsevolod J -- Sandelin, Albin -- Hume, David A -- Carninci, Piero -- Hayashizaki, Yoshihide -- BB/F003722/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/G022771/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/I001107/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- MC_PC_U127597124/Medical Research Council/United Kingdom -- MC_UP_1102/1/Medical Research Council/United Kingdom -- R01 DE022969/DE/NIDCR NIH HHS/ -- R01 GM084875/GM/NIGMS NIH HHS/ -- England -- Nature. 2014 Mar 27;507(7493):462-70. doi: 10.1038/nature13182.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24670764" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atlases as Topic ; Cell Line ; Cells, Cultured ; Cluster Analysis ; Conserved Sequence/genetics ; Gene Expression Regulation/genetics ; Gene Regulatory Networks/genetics ; Genes, Essential/genetics ; Genome/genetics ; Humans ; Mice ; *Molecular Sequence Annotation ; Open Reading Frames/genetics ; Organ Specificity ; Promoter Regions, Genetic/*genetics ; RNA, Messenger/analysis/genetics ; Transcription Factors/metabolism ; Transcription Initiation Site ; Transcription, Genetic/genetics ; Transcriptome/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Proviral silencing in embryonic stem cells requires the histone methyltransferase ESET (2010)
    Nature Publishing Group (NPG)
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    Publication Date: 2010-02-19
    Description: Endogenous retroviruses (ERVs), retrovirus-like elements with long terminal repeats, are widely dispersed in the euchromatic compartment in mammalian cells, comprising approximately 10% of the mouse genome. These parasitic elements are responsible for 〉10% of spontaneous mutations. Whereas DNA methylation has an important role in proviral silencing in somatic and germ-lineage cells, an additional DNA-methylation-independent pathway also functions in embryonal carcinoma and embryonic stem (ES) cells to inhibit transcription of the exogenous gammaretrovirus murine leukaemia virus (MLV). Notably, a recent genome-wide study revealed that ERVs are also marked by histone H3 lysine 9 trimethylation (H3K9me3) and H4K20me3 in ES cells but not in mouse embryonic fibroblasts. However, the role that these marks have in proviral silencing remains unexplored. Here we show that the H3K9 methyltransferase ESET (also called SETDB1 or KMT1E) and the Kruppel-associated box (KRAB)-associated protein 1 (KAP1, also called TRIM28) are required for H3K9me3 and silencing of endogenous and introduced retroviruses specifically in mouse ES cells. Furthermore, whereas ESET enzymatic activity is crucial for HP1 binding and efficient proviral silencing, the H4K20 methyltransferases Suv420h1 and Suv420h2 are dispensable for silencing. Notably, in DNA methyltransferase triple knockout (Dnmt1(-/-)Dnmt3a(-/-)Dnmt3b(-/-)) mouse ES cells, ESET and KAP1 binding and ESET-mediated H3K9me3 are maintained and ERVs are minimally derepressed. We propose that a DNA-methylation-independent pathway involving KAP1 and ESET/ESET-mediated H3K9me3 is required for proviral silencing during the period early in embryogenesis when DNA methylation is dynamically reprogrammed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsui, Toshiyuki -- Leung, Danny -- Miyashita, Hiroki -- Maksakova, Irina A -- Miyachi, Hitoshi -- Kimura, Hiroshi -- Tachibana, Makoto -- Lorincz, Matthew C -- Shinkai, Yoichi -- 77805/Canadian Institutes of Health Research/Canada -- 92090/Canadian Institutes of Health Research/Canada -- England -- Nature. 2010 Apr 8;464(7290):927-31. doi: 10.1038/nature08858. Epub 2010 Feb 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Experimental Research Center for Infectious Diseases, Institute for Virus Research, Kyoto University, 53 Shogoin, Kawara-cho, Sakyo-ku, Kyoto 606-8507, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20164836" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA (Cytosine-5-)-Methyltransferase/deficiency/genetics/metabolism ; DNA Methylation/genetics ; Embryonic Stem Cells/*enzymology/metabolism/*virology ; Endogenous Retroviruses/*genetics ; Fibroblasts ; Gene Deletion ; *Gene Silencing ; Histone-Lysine N-Methyltransferase/deficiency/genetics/*metabolism ; Mice ; Nuclear Proteins/metabolism ; Protein Methyltransferases/deficiency/genetics/*metabolism ; Proviruses/*genetics ; Repressor Proteins/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Drosophila odorant receptors are both ligand-gated and cyclic-nucleotide-activated cation channels (2008)
    Nature Publishing Group (NPG)
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    Publication Date: 2008-04-15
    Description: From worm to man, many odorant signals are perceived by the binding of volatile ligands to odorant receptors that belong to the G-protein-coupled receptor (GPCR) family. They couple to heterotrimeric G-proteins, most of which induce cAMP production. This second messenger then activates cyclic-nucleotide-gated ion channels to depolarize the olfactory receptor neuron, thus providing a signal for further neuronal processing. Recent findings, however, have challenged this concept of odorant signal transduction in insects, because their odorant receptors, which lack any sequence similarity to other GPCRs, are composed of conventional odorant receptors (for example, Or22a), dimerized with a ubiquitously expressed chaperone protein, such as Or83b in Drosophila. Or83b has a structure akin to GPCRs, but has an inverted orientation in the plasma membrane. However, G proteins are expressed in insect olfactory receptor neurons, and olfactory perception is modified by mutations affecting the cAMP transduction pathway. Here we show that application of odorants to mammalian cells co-expressing Or22a and Or83b results in non-selective cation currents activated by means of an ionotropic and a metabotropic pathway, and a subsequent increase in the intracellular Ca(2+) concentration. Expression of Or83b alone leads to functional ion channels not directly responding to odorants, but being directly activated by intracellular cAMP or cGMP. Insect odorant receptors thus form ligand-gated channels as well as complexes of odorant-sensing units and cyclic-nucleotide-activated non-selective cation channels. Thereby, they provide rapid and transient as well as sensitive and prolonged odorant signalling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wicher, Dieter -- Schafer, Ronny -- Bauernfeind, Rene -- Stensmyr, Marcus C -- Heller, Regine -- Heinemann, Stefan H -- Hansson, Bill S -- England -- Nature. 2008 Apr 24;452(7190):1007-11. doi: 10.1038/nature06861. Epub 2008 Apr 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Evolutionary Neuroethology, Max Planck Institute for Chemical Ecology, Hans-Knoll-St 8, D-07745 Jena, Germany. dwicher@ice.mpg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18408711" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Butyrates/pharmacology ; Calcium/metabolism ; Cell Line ; Cyclic AMP/metabolism/pharmacology ; Drosophila Proteins/chemistry/genetics/*metabolism ; *Drosophila melanogaster ; Electric Conductivity ; GTP-Binding Protein alpha Subunits, Gs/metabolism ; Humans ; Ion Channel Gating/*drug effects ; Ligands ; Nucleotides, Cyclic/metabolism/*pharmacology ; Odors/analysis ; Patch-Clamp Techniques ; Receptors, Odorant/chemistry/genetics/*metabolism ; Signal Transduction/drug effects
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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