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  • 1
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    Temporally structured metapopulation dynamics and persistence of influenza A H3N2 virus in humans [Microbiology] (2011)
    National Academy of Sciences
    Details
    Publication Date: 2011-11-30
    Description: Populations of seasonal influenza virus experience strong annual bottlenecks that pose a considerable extinction risk. It has been suggested that an influenza source population located in tropical Southeast or East Asia seeds annual temperate epidemics. Here we investigate the seasonal dynamics and migration patterns of influenza A H3N2 virus by analysis of virus samples obtained from 2003 to 2006 from Australia, Europe, Japan, New York, New Zealand, Southeast Asia, and newly sequenced viruses from Hong Kong. In contrast to annual temperate epidemics, relatively low levels of relative genetic diversity and no seasonal fluctuations characterized virus populations in tropical Southeast Asia and Hong Kong. Bayesian phylogeographic analysis using discrete temporal and spatial characters reveal high rates of viral migration between urban centers tested. Although the virus population that migrated between Southeast Asia and Hong Kong persisted through time, this was dependent on virus input from temperate regions and these tropical regions did not maintain a source for annual H3N2 influenza epidemics. We further show that multiple lineages may seed annual influenza epidemics, and that each region may function as a potential source population. We therefore propose that the global persistence of H3N2 influenza A virus is the result of a migrating metapopulation in which multiple different localities may seed seasonal epidemics in temperate regions in a given year. Such complex global migration dynamics may confound control efforts and contribute to the emergence and spread of antigenic variants and drug-resistant viruses.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 2
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    The genome of the blood fluke Schistosoma mansoni (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-07-17
    Description: Schistosoma mansoni is responsible for the neglected tropical disease schistosomiasis that affects 210 million people in 76 countries. Here we present analysis of the 363 megabase nuclear genome of the blood fluke. It encodes at least 11,809 genes, with an unusual intron size distribution, and new families of micro-exon genes that undergo frequent alternative splicing. As the first sequenced flatworm, and a representative of the Lophotrochozoa, it offers insights into early events in the evolution of the animals, including the development of a body pattern with bilateral symmetry, and the development of tissues into organs. Our analysis has been informed by the need to find new drug targets. The deficits in lipid metabolism that make schistosomes dependent on the host are revealed, and the identification of membrane receptors, ion channels and more than 300 proteases provide new insights into the biology of the life cycle and new targets. Bioinformatics approaches have identified metabolic chokepoints, and a chemogenomic screen has pinpointed schistosome proteins for which existing drugs may be active. The information generated provides an invaluable resource for the research community to develop much needed new control tools for the treatment and eradication of this important and neglected disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2756445/" 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/PMC2756445/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berriman, Matthew -- Haas, Brian J -- LoVerde, Philip T -- Wilson, R Alan -- Dillon, Gary P -- Cerqueira, Gustavo C -- Mashiyama, Susan T -- Al-Lazikani, Bissan -- Andrade, Luiza F -- Ashton, Peter D -- Aslett, Martin A -- Bartholomeu, Daniella C -- Blandin, Gaelle -- Caffrey, Conor R -- Coghlan, Avril -- Coulson, Richard -- Day, Tim A -- Delcher, Art -- DeMarco, Ricardo -- Djikeng, Appolinaire -- Eyre, Tina -- Gamble, John A -- Ghedin, Elodie -- Gu, Yong -- Hertz-Fowler, Christiane -- Hirai, Hirohisha -- Hirai, Yuriko -- Houston, Robin -- Ivens, Alasdair -- Johnston, David A -- Lacerda, Daniela -- Macedo, Camila D -- McVeigh, Paul -- Ning, Zemin -- Oliveira, Guilherme -- Overington, John P -- Parkhill, Julian -- Pertea, Mihaela -- Pierce, Raymond J -- Protasio, Anna V -- Quail, Michael A -- Rajandream, Marie-Adele -- Rogers, Jane -- Sajid, Mohammed -- Salzberg, Steven L -- Stanke, Mario -- Tivey, Adrian R -- White, Owen -- Williams, David L -- Wortman, Jennifer -- Wu, Wenjie -- Zamanian, Mostafa -- Zerlotini, Adhemar -- Fraser-Liggett, Claire M -- Barrell, Barclay G -- El-Sayed, Najib M -- 086151/Wellcome Trust/United Kingdom -- 5D43TW006580/TW/FIC NIH HHS/ -- 5D43TW007012-03/TW/FIC NIH HHS/ -- AI054711-01A2/AI/NIAID NIH HHS/ -- AI48828/AI/NIAID NIH HHS/ -- R01 GM083873/GM/NIGMS NIH HHS/ -- R01 GM083873-07/GM/NIGMS NIH HHS/ -- R01 GM083873-08/GM/NIGMS NIH HHS/ -- R01 LM006845/LM/NLM NIH HHS/ -- R01 LM006845-08/LM/NLM NIH HHS/ -- R01 LM006845-09/LM/NLM NIH HHS/ -- U01 AI048828/AI/NIAID NIH HHS/ -- U01 AI048828-01/AI/NIAID NIH HHS/ -- U01 AI048828-02/AI/NIAID NIH HHS/ -- WT085775/Z/08/Z/Wellcome Trust/United Kingdom -- England -- Nature. 2009 Jul 16;460(7253):352-8. doi: 10.1038/nature08160.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Sanger Institute, Cambridge CB10 1SD, UK. mb4@sanger.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19606141" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Exons/genetics ; Genes, Helminth/genetics ; Genome, Helminth/*genetics ; Host-Parasite Interactions/genetics ; Introns/genetics ; Molecular Sequence Data ; Physical Chromosome Mapping ; Schistosoma mansoni/drug effects/embryology/*genetics/physiology ; Schistosomiasis mansoni/drug therapy/parasitology
    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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  • 3
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    Widespread lateral gene transfer from intracellular bacteria to multicellular eukaryotes (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-01
    Description: Although common among bacteria, lateral gene transfer-the movement of genes between distantly related organisms-is thought to occur only rarely between bacteria and multicellular eukaryotes. However, the presence of endosymbionts, such as Wolbachia pipientis, within some eukaryotic germlines may facilitate bacterial gene transfers to eukaryotic host genomes. We therefore examined host genomes for evidence of gene transfer events from Wolbachia bacteria to their hosts. We found and confirmed transfers into the genomes of four insect and four nematode species that range from nearly the entire Wolbachia genome (〉1 megabase) to short (〈500 base pairs) insertions. Potential Wolbachia-to-host transfers were also detected computationally in three additional sequenced insect genomes. We also show that some of these inserted Wolbachia genes are transcribed within eukaryotic cells lacking endosymbionts. Therefore, heritable lateral gene transfer occurs into eukaryotic hosts from their prokaryote symbionts, potentially providing a mechanism for acquisition of new genes and functions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dunning Hotopp, Julie C -- Clark, Michael E -- Oliveira, Deodoro C S G -- Foster, Jeremy M -- Fischer, Peter -- Munoz Torres, Monica C -- Giebel, Jonathan D -- Kumar, Nikhil -- Ishmael, Nadeeza -- Wang, Shiliang -- Ingram, Jessica -- Nene, Rahul V -- Shepard, Jessica -- Tomkins, Jeffrey -- Richards, Stephen -- Spiro, David J -- Ghedin, Elodie -- Slatko, Barton E -- Tettelin, Herve -- Werren, John H -- New York, N.Y. -- Science. 2007 Sep 21;317(5845):1753-6. Epub 2007 Aug 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genomic Research, J. Craig Venter Institute, 9712 Medical Center Drive, Rockville, MD 20850, USA. jhotopp@som.umaryland.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17761848" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; Crosses, Genetic ; DNA, Bacterial ; Drosophila/genetics/microbiology ; Female ; *Gene Transfer, Horizontal ; Genes, Bacterial ; In Situ Hybridization, Fluorescence ; Insects/*genetics/microbiology ; Male ; Molecular Sequence Data ; Nematoda/*genetics/microbiology ; Retroelements ; Reverse Transcriptase Polymerase Chain Reaction ; Sequence Analysis, DNA ; Symbiosis ; Wolbachia/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    The genome sequence of Trypanosoma cruzi, etiologic agent of Chagas disease (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-07-16
    Description: Whole-genome sequencing of the protozoan pathogen Trypanosoma cruzi revealed that the diploid genome contains a predicted 22,570 proteins encoded by genes, of which 12,570 represent allelic pairs. Over 50% of the genome consists of repeated sequences, such as retrotransposons and genes for large families of surface molecules, which include trans-sialidases, mucins, gp63s, and a large novel family (〉1300 copies) of mucin-associated surface protein (MASP) genes. Analyses of the T. cruzi, T. brucei, and Leishmania major (Tritryp) genomes imply differences from other eukaryotes in DNA repair and initiation of replication and reflect their unusual mitochondrial DNA. Although the Tritryp lack several classes of signaling molecules, their kinomes contain a large and diverse set of protein kinases and phosphatases; their size and diversity imply previously unknown interactions and regulatory processes, which may be targets for intervention.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉El-Sayed, Najib M -- Myler, Peter J -- Bartholomeu, Daniella C -- Nilsson, Daniel -- Aggarwal, Gautam -- Tran, Anh-Nhi -- Ghedin, Elodie -- Worthey, Elizabeth A -- Delcher, Arthur L -- Blandin, Gaelle -- Westenberger, Scott J -- Caler, Elisabet -- Cerqueira, Gustavo C -- Branche, Carole -- Haas, Brian -- Anupama, Atashi -- Arner, Erik -- Aslund, Lena -- Attipoe, Philip -- Bontempi, Esteban -- Bringaud, Frederic -- Burton, Peter -- Cadag, Eithon -- Campbell, David A -- Carrington, Mark -- Crabtree, Jonathan -- Darban, Hamid -- da Silveira, Jose Franco -- de Jong, Pieter -- Edwards, Kimberly -- Englund, Paul T -- Fazelina, Gholam -- Feldblyum, Tamara -- Ferella, Marcela -- Frasch, Alberto Carlos -- Gull, Keith -- Horn, David -- Hou, Lihua -- Huang, Yiting -- Kindlund, Ellen -- Klingbeil, Michele -- Kluge, Sindy -- Koo, Hean -- Lacerda, Daniela -- Levin, Mariano J -- Lorenzi, Hernan -- Louie, Tin -- Machado, Carlos Renato -- McCulloch, Richard -- McKenna, Alan -- Mizuno, Yumi -- Mottram, Jeremy C -- Nelson, Siri -- Ochaya, Stephen -- Osoegawa, Kazutoyo -- Pai, Grace -- Parsons, Marilyn -- Pentony, Martin -- Pettersson, Ulf -- Pop, Mihai -- Ramirez, Jose Luis -- Rinta, Joel -- Robertson, Laura -- Salzberg, Steven L -- Sanchez, Daniel O -- Seyler, Amber -- Sharma, Reuben -- Shetty, Jyoti -- Simpson, Anjana J -- Sisk, Ellen -- Tammi, Martti T -- Tarleton, Rick -- Teixeira, Santuza -- Van Aken, Susan -- Vogt, Christy -- Ward, Pauline N -- Wickstead, Bill -- Wortman, Jennifer -- White, Owen -- Fraser, Claire M -- Stuart, Kenneth D -- Andersson, Bjorn -- AI045039/AI/NIAID NIH HHS/ -- AI45038/AI/NIAID NIH HHS/ -- AI45061/AI/NIAID NIH HHS/ -- R01 AI031077/AI/NIAID NIH HHS/ -- R01 AI031077-11/AI/NIAID NIH HHS/ -- U01 AI045038/AI/NIAID NIH HHS/ -- U01 AI045039/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):409-15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Parasite Genomics, Institute for Genomic Research, Rockville, MD 20850, USA. nelsayed@tigr.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16020725" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chagas Disease/drug therapy/parasitology ; DNA Repair ; DNA Replication ; DNA, Mitochondrial/genetics ; DNA, Protozoan/genetics ; Genes, Protozoan ; *Genome, Protozoan ; Humans ; Meiosis ; Membrane Proteins/chemistry/genetics/physiology ; Multigene Family ; Protozoan Proteins/chemistry/*genetics/physiology ; Recombination, Genetic ; Repetitive Sequences, Nucleic Acid ; Retroelements ; *Sequence Analysis, DNA ; Signal Transduction ; Telomere/genetics ; Trypanocidal Agents/pharmacology/therapeutic use ; Trypanosoma cruzi/chemistry/*genetics/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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  • 5
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    Comparative genomics of trypanosomatid parasitic protozoa (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-07-16
    Description: A comparison of gene content and genome architecture of Trypanosoma brucei, Trypanosoma cruzi, and Leishmania major, three related pathogens with different life cycles and disease pathology, revealed a conserved core proteome of about 6200 genes in large syntenic polycistronic gene clusters. Many species-specific genes, especially large surface antigen families, occur at nonsyntenic chromosome-internal and subtelomeric regions. Retroelements, structural RNAs, and gene family expansion are often associated with syntenic discontinuities that-along with gene divergence, acquisition and loss, and rearrangement within the syntenic regions-have shaped the genomes of each parasite. Contrary to recent reports, our analyses reveal no evidence that these species are descended from an ancestor that contained a photosynthetic endosymbiont.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉El-Sayed, Najib M -- Myler, Peter J -- Blandin, Gaelle -- Berriman, Matthew -- Crabtree, Jonathan -- Aggarwal, Gautam -- Caler, Elisabet -- Renauld, Hubert -- Worthey, Elizabeth A -- Hertz-Fowler, Christiane -- Ghedin, Elodie -- Peacock, Christopher -- Bartholomeu, Daniella C -- Haas, Brian J -- Tran, Anh-Nhi -- Wortman, Jennifer R -- Alsmark, U Cecilia M -- Angiuoli, Samuel -- Anupama, Atashi -- Badger, Jonathan -- Bringaud, Frederic -- Cadag, Eithon -- Carlton, Jane M -- Cerqueira, Gustavo C -- Creasy, Todd -- Delcher, Arthur L -- Djikeng, Appolinaire -- Embley, T Martin -- Hauser, Christopher -- Ivens, Alasdair C -- Kummerfeld, Sarah K -- Pereira-Leal, Jose B -- Nilsson, Daniel -- Peterson, Jeremy -- Salzberg, Steven L -- Shallom, Joshua -- Silva, Joana C -- Sundaram, Jaideep -- Westenberger, Scott -- White, Owen -- Melville, Sara E -- Donelson, John E -- Andersson, Bjorn -- Stuart, Kenneth D -- Hall, Neil -- AI045039/AI/NIAID NIH HHS/ -- AI45038/AI/NIAID NIH HHS/ -- AI45061/AI/NIAID NIH HHS/ -- R01 AI043062/AI/NIAID NIH HHS/ -- U01 AI040599/AI/NIAID NIH HHS/ -- U01 AI043062/AI/NIAID NIH HHS/ -- U01 AI045038/AI/NIAID NIH HHS/ -- U01 AI045039/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):404-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA. nelsayed@tigr.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16020724" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Chromosomes/genetics ; Evolution, Molecular ; Gene Transfer, Horizontal ; Genes, Protozoan ; *Genome, Protozoan ; Genomics ; Leishmania major/chemistry/*genetics/metabolism ; Molecular Sequence Data ; Multigene Family ; Mutation ; Phylogeny ; Plastids/genetics ; *Proteome ; Protozoan Proteins/chemistry/*genetics/physiology ; Recombination, Genetic ; Retroelements ; Species Specificity ; Symbiosis ; Synteny ; Telomere/genetics ; Trypanosoma brucei brucei/chemistry/*genetics/metabolism ; Trypanosoma cruzi/chemistry/*genetics/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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  • 6
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    The genome of the African trypanosome Trypanosoma brucei (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-07-16
    Description: African trypanosomes cause human sleeping sickness and livestock trypanosomiasis in sub-Saharan Africa. We present the sequence and analysis of the 11 megabase-sized chromosomes of Trypanosoma brucei. The 26-megabase genome contains 9068 predicted genes, including approximately 900 pseudogenes and approximately 1700 T. brucei-specific genes. Large subtelomeric arrays contain an archive of 806 variant surface glycoprotein (VSG) genes used by the parasite to evade the mammalian immune system. Most VSG genes are pseudogenes, which may be used to generate expressed mosaic genes by ectopic recombination. Comparisons of the cytoskeleton and endocytic trafficking systems with those of humans and other eukaryotic organisms reveal major differences. A comparison of metabolic pathways encoded by the genomes of T. brucei, T. cruzi, and Leishmania major reveals the least overall metabolic capability in T. brucei and the greatest in L. major. Horizontal transfer of genes of bacterial origin has contributed to some of the metabolic differences in these parasites, and a number of novel potential drug targets have been identified.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berriman, Matthew -- Ghedin, Elodie -- Hertz-Fowler, Christiane -- Blandin, Gaelle -- Renauld, Hubert -- Bartholomeu, Daniella C -- Lennard, Nicola J -- Caler, Elisabet -- Hamlin, Nancy E -- Haas, Brian -- Bohme, Ulrike -- Hannick, Linda -- Aslett, Martin A -- Shallom, Joshua -- Marcello, Lucio -- Hou, Lihua -- Wickstead, Bill -- Alsmark, U Cecilia M -- Arrowsmith, Claire -- Atkin, Rebecca J -- Barron, Andrew J -- Bringaud, Frederic -- Brooks, Karen -- Carrington, Mark -- Cherevach, Inna -- Chillingworth, Tracey-Jane -- Churcher, Carol -- Clark, Louise N -- Corton, Craig H -- Cronin, Ann -- Davies, Rob M -- Doggett, Jonathon -- Djikeng, Appolinaire -- Feldblyum, Tamara -- Field, Mark C -- Fraser, Audrey -- Goodhead, Ian -- Hance, Zahra -- Harper, David -- Harris, Barbara R -- Hauser, Heidi -- Hostetler, Jessica -- Ivens, Al -- Jagels, Kay -- Johnson, David -- Johnson, Justin -- Jones, Kristine -- Kerhornou, Arnaud X -- Koo, Hean -- Larke, Natasha -- Landfear, Scott -- Larkin, Christopher -- Leech, Vanessa -- Line, Alexandra -- Lord, Angela -- Macleod, Annette -- Mooney, Paul J -- Moule, Sharon -- Martin, David M A -- Morgan, Gareth W -- Mungall, Karen -- Norbertczak, Halina -- Ormond, Doug -- Pai, Grace -- Peacock, Chris S -- Peterson, Jeremy -- Quail, Michael A -- Rabbinowitsch, Ester -- Rajandream, Marie-Adele -- Reitter, Chris -- Salzberg, Steven L -- Sanders, Mandy -- Schobel, Seth -- Sharp, Sarah -- Simmonds, Mark -- Simpson, Anjana J -- Tallon, Luke -- Turner, C Michael R -- Tait, Andrew -- Tivey, Adrian R -- Van Aken, Susan -- Walker, Danielle -- Wanless, David -- Wang, Shiliang -- White, Brian -- White, Owen -- Whitehead, Sally -- Woodward, John -- Wortman, Jennifer -- Adams, Mark D -- Embley, T Martin -- Gull, Keith -- Ullu, Elisabetta -- Barry, J David -- Fairlamb, Alan H -- Opperdoes, Fred -- Barrell, Barclay G -- Donelson, John E -- Hall, Neil -- Fraser, Claire M -- Melville, Sara E -- El-Sayed, Najib M -- AI43062/AI/NIAID NIH HHS/ -- R01 AI043062/AI/NIAID NIH HHS/ -- U01 AI043062/AI/NIAID NIH HHS/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2005 Jul 15;309(5733):416-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton CB10 1SA, UK. mb4@sanger.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16020726" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/metabolism ; Animals ; Antigenic Variation ; Antigens, Protozoan/chemistry/genetics/immunology ; Carbohydrate Metabolism ; Chromosomes/genetics ; Cytoskeleton/chemistry/genetics/physiology ; Ergosterol/biosynthesis ; Genes, Protozoan ; *Genome, Protozoan ; Glutathione/*analogs & derivatives/metabolism ; Glycosylphosphatidylinositols/biosynthesis ; Humans ; Lipid Metabolism ; Molecular Sequence Data ; Protein Transport ; Protozoan Proteins/chemistry/*genetics/metabolism ; Pseudogenes ; Purines/metabolism ; Pyrimidines/biosynthesis ; Recombination, Genetic ; *Sequence Analysis, DNA ; Spermidine/*analogs & derivatives/metabolism ; Trypanosoma brucei brucei/chemistry/*genetics/immunology/metabolism ; Trypanosomiasis, African/parasitology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Draft genome of the filarial nematode parasite Brugia malayi (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-22
    Description: Parasitic nematodes that cause elephantiasis and river blindness threaten hundreds of millions of people in the developing world. We have sequenced the approximately 90 megabase (Mb) genome of the human filarial parasite Brugia malayi and predict approximately 11,500 protein coding genes in 71 Mb of robustly assembled sequence. Comparative analysis with the free-living, model nematode Caenorhabditis elegans revealed that, despite these genes having maintained little conservation of local synteny during approximately 350 million years of evolution, they largely remain in linkage on chromosomal units. More than 100 conserved operons were identified. Analysis of the predicted proteome provides evidence for adaptations of B. malayi to niches in its human and vector hosts and insights into the molecular basis of a mutualistic relationship with its Wolbachia endosymbiont. These findings offer a foundation for rational drug design.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2613796/" 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/PMC2613796/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ghedin, Elodie -- Wang, Shiliang -- Spiro, David -- Caler, Elisabet -- Zhao, Qi -- Crabtree, Jonathan -- Allen, Jonathan E -- Delcher, Arthur L -- Guiliano, David B -- Miranda-Saavedra, Diego -- Angiuoli, Samuel V -- Creasy, Todd -- Amedeo, Paolo -- Haas, Brian -- El-Sayed, Najib M -- Wortman, Jennifer R -- Feldblyum, Tamara -- Tallon, Luke -- Schatz, Michael -- Shumway, Martin -- Koo, Hean -- Salzberg, Steven L -- Schobel, Seth -- Pertea, Mihaela -- Pop, Mihai -- White, Owen -- Barton, Geoffrey J -- Carlow, Clotilde K S -- Crawford, Michael J -- Daub, Jennifer -- Dimmic, Matthew W -- Estes, Chris F -- Foster, Jeremy M -- Ganatra, Mehul -- Gregory, William F -- Johnson, Nicholas M -- Jin, Jinming -- Komuniecki, Richard -- Korf, Ian -- Kumar, Sanjay -- Laney, Sandra -- Li, Ben-Wen -- Li, Wen -- Lindblom, Tim H -- Lustigman, Sara -- Ma, Dong -- Maina, Claude V -- Martin, David M A -- McCarter, James P -- McReynolds, Larry -- Mitreva, Makedonka -- Nutman, Thomas B -- Parkinson, John -- Peregrin-Alvarez, Jose M -- Poole, Catherine -- Ren, Qinghu -- Saunders, Lori -- Sluder, Ann E -- Smith, Katherine -- Stanke, Mario -- Unnasch, Thomas R -- Ware, Jenna -- Wei, Aguan D -- Weil, Gary -- Williams, Deryck J -- Zhang, Yinhua -- Williams, Steven A -- Fraser-Liggett, Claire -- Slatko, Barton -- Blaxter, Mark L -- Scott, Alan L -- R01 AI048562/AI/NIAID NIH HHS/ -- R01 AI048562-09/AI/NIAID NIH HHS/ -- R01 LM006845/LM/NLM NIH HHS/ -- R01 LM006845-08/LM/NLM NIH HHS/ -- R01 LM007938/LM/NLM NIH HHS/ -- R01 LM007938-04/LM/NLM NIH HHS/ -- R15 ES013128/ES/NIEHS NIH HHS/ -- R15 ES013128-01/ES/NIEHS NIH HHS/ -- U01 AI048828/AI/NIAID NIH HHS/ -- U01-AI50903/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2007 Sep 21;317(5845):1756-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA. GhedinE@dom.pitt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17885136" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brugia malayi/*genetics/physiology ; Caenorhabditis/genetics ; Drosophila melanogaster/genetics ; Drug Resistance/genetics ; Filariasis/parasitology ; *Genome, Helminth ; Humans ; Molecular Sequence Data
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Stage-specific proteomic expression patterns of the human filarial parasite Brugia malayi and its endosymbiont Wolbachia (2011)
    National Academy of Sciences
    Details
    Publication Date: 2011-05-23
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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    Temporally structured metapopulation dynamics and persistence of influenza A H3N2 virus in humans (2011)
    National Academy of Sciences
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    Publication Date: 2011-11-14
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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    Stage-specific proteomic expression patterns of the human filarial parasite Brugia malayi and its endosymbiont Wolbachia [Microbiology] (2011)
    National Academy of Sciences
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    Publication Date: 2011-06-08
    Description: Global proteomic analyses of pathogens have thus far been limited to unicellular organisms (e.g., protozoa and bacteria). Proteomic analyses of most eukaryotic pathogens (e.g., helminths) have been restricted to specific organs, specific stages, or secretomes. We report here a large-scale proteomic characterization of almost all the major mammalian stages of Brugia malayi, a causative agent of lymphatic filariasis, resulting in the identification of more than 62% of the products predicted from the Bm draft genome. The analysis also yielded much of the proteome of Wolbachia, the obligate endosymbiont of Bm that also expressed proteins in a stage-specific manner. Of the 11,610 predicted Bm gene products, 7,103 were definitively identified from adult male, adult female, blood-borne and uterine microfilariae, and infective L3 larvae. Among the 4,956 gene products (42.5%) inferred from the genome as “hypothetical,” the present study was able to confirm 2,336 (47.1%) as bona fide proteins. Analysis of protein families and domains coupled with stage-specific expression highlight the important pathways that benefit the parasite during its development in the host. Gene set enrichment analysis identified extracellular matrix proteins and those with immunologic effects as enriched in the microfilarial and L3 stages. Parasite sex- and stage-specific protein expression identified those pathways related to parasite differentiation and demonstrates stage-specific expression by the Bm endosymbiont Wolbachia as well.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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