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  • 1
    Publication Date: 2004-09-09
    Description: Microbial methane consumption in anoxic sediments significantly impacts the global environment by reducing the flux of greenhouse gases from ocean to atmosphere. Despite its significance, the biological mechanisms controlling anaerobic methane oxidation are not well characterized. One current model suggests that relatives of methane-producing Archaea developed the capacity to reverse methanogenesis and thereby to consume methane to produce cellular carbon and energy. We report here a test of the "reverse-methanogenesis" hypothesis by genomic analyses of methane-oxidizing Archaea from deep-sea sediments. Our results show that nearly all genes typically associated with methane production are present in one specific group of archaeal methanotrophs. These genome-based observations support previous hypotheses and provide an informed foundation for metabolic modeling of anaerobic methane oxidation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hallam, Steven J -- Putnam, Nik -- Preston, Christina M -- Detter, John C -- Rokhsar, Daniel -- Richardson, Paul M -- DeLong, Edward F -- New York, N.Y. -- Science. 2004 Sep 3;305(5689):1457-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Monterey Bay Aquarium Research Institute, Moss Landing, CA 95064, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15353801" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobiosis ; Archaea/classification/genetics/*metabolism ; Carbon Dioxide/metabolism ; Cloning, Molecular ; Gene Library ; Genes, Archaeal ; Genes, rRNA ; *Genome, Archaeal ; Geologic Sediments/*microbiology ; Methane/*metabolism ; Molecular Sequence Data ; Oxidation-Reduction ; Oxidoreductases/genetics/metabolism ; Phylogeny ; Pterins/metabolism ; RNA, Archaeal/genetics ; RNA, Ribosomal/genetics ; Seawater/microbiology ; Sulfates/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2004-10-02
    Description: Diatoms are unicellular algae with plastids acquired by secondary endosymbiosis. They are responsible for approximately 20% of global carbon fixation. We report the 34 million-base pair draft nuclear genome of the marine diatom Thalassiosira pseudonana and its 129 thousand-base pair plastid and 44 thousand-base pair mitochondrial genomes. Sequence and optical restriction mapping revealed 24 diploid nuclear chromosomes. We identified novel genes for silicic acid transport and formation of silica-based cell walls, high-affinity iron uptake, biosynthetic enzymes for several types of polyunsaturated fatty acids, use of a range of nitrogenous compounds, and a complete urea cycle, all attributes that allow diatoms to prosper in aquatic environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Armbrust, E Virginia -- Berges, John A -- Bowler, Chris -- Green, Beverley R -- Martinez, Diego -- Putnam, Nicholas H -- Zhou, Shiguo -- Allen, Andrew E -- Apt, Kirk E -- Bechner, Michael -- Brzezinski, Mark A -- Chaal, Balbir K -- Chiovitti, Anthony -- Davis, Aubrey K -- Demarest, Mark S -- Detter, J Chris -- Glavina, Tijana -- Goodstein, David -- Hadi, Masood Z -- Hellsten, Uffe -- Hildebrand, Mark -- Jenkins, Bethany D -- Jurka, Jerzy -- Kapitonov, Vladimir V -- Kroger, Nils -- Lau, Winnie W Y -- Lane, Todd W -- Larimer, Frank W -- Lippmeier, J Casey -- Lucas, Susan -- Medina, Monica -- Montsant, Anton -- Obornik, Miroslav -- Parker, Micaela Schnitzler -- Palenik, Brian -- Pazour, Gregory J -- Richardson, Paul M -- Rynearson, Tatiana A -- Saito, Mak A -- Schwartz, David C -- Thamatrakoln, Kimberlee -- Valentin, Klaus -- Vardi, Assaf -- Wilkerson, Frances P -- Rokhsar, Daniel S -- New York, N.Y. -- Science. 2004 Oct 1;306(5693):79-86.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Oceanography, University of Washington, Seattle, WA 98195, USA. armbrust@ocean.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15459382" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Algal Proteins/chemistry/genetics/physiology ; Animals ; *Biological Evolution ; Cell Nucleus/genetics ; Chromosomes ; DNA/genetics ; Diatoms/chemistry/cytology/*genetics/metabolism ; *Ecosystem ; Energy Metabolism ; *Genome ; Iron/metabolism ; Light ; Light-Harvesting Protein Complexes/chemistry/genetics/metabolism ; Mitochondria/genetics ; Molecular Sequence Data ; Nitrogen/metabolism ; Photosynthesis ; Plastids/genetics ; Restriction Mapping ; Sequence Alignment ; *Sequence Analysis, DNA ; Silicic Acid/metabolism ; Symbiosis ; Urea/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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  • 3
    Publication Date: 2005-06-04
    Description: Despite the greater information content of genomic DNA, ancient DNA studies have largely been limited to the amplification of mitochondrial sequences. Here we describe metagenomic libraries constructed with unamplified DNA extracted from skeletal remains of two 40,000-year-old extinct cave bears. Analysis of approximately 1 megabase of sequence from each library showed that despite significant microbial contamination, 5.8 and 1.1% of clones contained cave bear inserts, yielding 26,861 base pairs of cave bear genome sequence. Comparison of cave bear and modern bear sequences revealed the evolutionary relationship of these lineages. The metagenomic approach used here establishes the feasibility of ancient DNA genome sequencing programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Noonan, James P -- Hofreiter, Michael -- Smith, Doug -- Priest, James R -- Rohland, Nadin -- Rabeder, Gernot -- Krause, Johannes -- Detter, J Chris -- Paabo, Svante -- Rubin, Edward M -- T32 HL07279/HL/NHLBI NIH HHS/ -- U1 HL66681B/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2005 Jul 22;309(5734):597-9. Epub 2005 Jun 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉United States Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15933159" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; Computational Biology ; DNA/genetics/history ; Dogs/genetics ; *Genome ; Genomic Library ; History, Ancient ; Molecular Sequence Data ; Phylogeny ; Sequence Alignment ; *Sequence Analysis, DNA ; Ursidae/*genetics
    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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  • 4
    Publication Date: 2011-02-05
    Description: We describe the draft genome of the microcrustacean Daphnia pulex, which is only 200 megabases and contains at least 30,907 genes. The high gene count is a consequence of an elevated rate of gene duplication resulting in tandem gene clusters. More than a third of Daphnia's genes have no detectable homologs in any other available proteome, and the most amplified gene families are specific to the Daphnia lineage. The coexpansion of gene families interacting within metabolic pathways suggests that the maintenance of duplicated genes is not random, and the analysis of gene expression under different environmental conditions reveals that numerous paralogs acquire divergent expression patterns soon after duplication. Daphnia-specific genes, including many additional loci within sequenced regions that are otherwise devoid of annotations, are the most responsive genes to ecological challenges.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3529199/" 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/PMC3529199/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Colbourne, John K -- Pfrender, Michael E -- Gilbert, Donald -- Thomas, W Kelley -- Tucker, Abraham -- Oakley, Todd H -- Tokishita, Shinichi -- Aerts, Andrea -- Arnold, Georg J -- Basu, Malay Kumar -- Bauer, Darren J -- Caceres, Carla E -- Carmel, Liran -- Casola, Claudio -- Choi, Jeong-Hyeon -- Detter, John C -- Dong, Qunfeng -- Dusheyko, Serge -- Eads, Brian D -- Frohlich, Thomas -- Geiler-Samerotte, Kerry A -- Gerlach, Daniel -- Hatcher, Phil -- Jogdeo, Sanjuro -- Krijgsveld, Jeroen -- Kriventseva, Evgenia V -- Kultz, Dietmar -- Laforsch, Christian -- Lindquist, Erika -- Lopez, Jacqueline -- Manak, J Robert -- Muller, Jean -- Pangilinan, Jasmyn -- Patwardhan, Rupali P -- Pitluck, Samuel -- Pritham, Ellen J -- Rechtsteiner, Andreas -- Rho, Mina -- Rogozin, Igor B -- Sakarya, Onur -- Salamov, Asaf -- Schaack, Sarah -- Shapiro, Harris -- Shiga, Yasuhiro -- Skalitzky, Courtney -- Smith, Zachary -- Souvorov, Alexander -- Sung, Way -- Tang, Zuojian -- Tsuchiya, Dai -- Tu, Hank -- Vos, Harmjan -- Wang, Mei -- Wolf, Yuri I -- Yamagata, Hideo -- Yamada, Takuji -- Ye, Yuzhen -- Shaw, Joseph R -- Andrews, Justen -- Crease, Teresa J -- Tang, Haixu -- Lucas, Susan M -- Robertson, Hugh M -- Bork, Peer -- Koonin, Eugene V -- Zdobnov, Evgeny M -- Grigoriev, Igor V -- Lynch, Michael -- Boore, Jeffrey L -- P42 ES004699/ES/NIEHS NIH HHS/ -- P42 ES004699-25/ES/NIEHS NIH HHS/ -- P42ES004699/ES/NIEHS NIH HHS/ -- R01 ES019324/ES/NIEHS NIH HHS/ -- R24 GM078274/GM/NIGMS NIH HHS/ -- R24 GM078274-01A1/GM/NIGMS NIH HHS/ -- R24GM07827401/GM/NIGMS NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2011 Feb 4;331(6017):555-61. doi: 10.1126/science.1197761.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Genomics and Bioinformatics, Indiana University, 915 East Third Street, Bloomington, IN 47405, USA. jcolbour@indiana.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21292972" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Amino Acid Sequence ; Animals ; Base Sequence ; Chromosome Mapping ; Daphnia/*genetics/physiology ; *Ecosystem ; Environment ; Evolution, Molecular ; Gene Conversion ; Gene Duplication ; Gene Expression ; Gene Expression Profiling ; Gene Expression Regulation ; Genes ; Genes, Duplicate ; *Genome ; Metabolic Networks and Pathways/genetics ; Molecular Sequence Annotation ; Molecular Sequence Data ; Multigene Family ; Phylogeny ; Sequence Analysis, DNA
    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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  • 5
    Publication Date: 2005-04-23
    Description: The species complexity of microbial communities and challenges in culturing representative isolates make it difficult to obtain assembled genomes. Here we characterize and compare the metabolic capabilities of terrestrial and marine microbial communities using largely unassembled sequence data obtained by shotgun sequencing DNA isolated from the various environments. Quantitative gene content analysis reveals habitat-specific fingerprints that reflect known characteristics of the sampled environments. The identification of environment-specific genes through a gene-centric comparative analysis presents new opportunities for interpreting and diagnosing environments.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tringe, Susannah Green -- von Mering, Christian -- Kobayashi, Arthur -- Salamov, Asaf A -- Chen, Kevin -- Chang, Hwai W -- Podar, Mircea -- Short, Jay M -- Mathur, Eric J -- Detter, John C -- Bork, Peer -- Hugenholtz, Philip -- Rubin, Edward M -- New York, N.Y. -- Science. 2005 Apr 22;308(5721):554-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Energy (DOE) Joint Genome Institute, 2800 Mitchell Drive, Walnut Creek, CA 94598, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15845853" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaea/classification/genetics/metabolism ; Bacteria/classification/*genetics/metabolism ; Bacterial Proteins/genetics/metabolism ; Biodiversity ; Biofilms ; Bone and Bones/microbiology ; Computational Biology ; *Ecosystem ; Energy Metabolism ; Eukaryotic Cells/metabolism ; Gene Library ; Genes ; Genes, Bacterial ; *Genome ; Genome, Bacterial ; *Genomics ; Molecular Sequence Data ; Operon ; Phylogeny ; Polymerase Chain Reaction ; Proteins/genetics/metabolism ; Proteome ; Seawater/*microbiology ; Sequence Analysis, DNA ; *Soil Microbiology ; Whales/*microbiology
    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
    Publication Date: 2010-05-01
    Description: The western clawed frog Xenopus tropicalis is an important model for vertebrate development that combines experimental advantages of the African clawed frog Xenopus laevis with more tractable genetics. Here we present a draft genome sequence assembly of X. tropicalis. This genome encodes more than 20,000 protein-coding genes, including orthologs of at least 1700 human disease genes. Over 1 million expressed sequence tags validated the annotation. More than one-third of the genome consists of transposable elements, with unusually prevalent DNA transposons. Like that of other tetrapods, the genome of X. tropicalis contains gene deserts enriched for conserved noncoding elements. The genome exhibits substantial shared synteny with human and chicken over major parts of large chromosomes, broken by lineage-specific chromosome fusions and fissions, mainly in the mammalian lineage.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2994648/" 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/PMC2994648/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hellsten, Uffe -- Harland, Richard M -- Gilchrist, Michael J -- Hendrix, David -- Jurka, Jerzy -- Kapitonov, Vladimir -- Ovcharenko, Ivan -- Putnam, Nicholas H -- Shu, Shengqiang -- Taher, Leila -- Blitz, Ira L -- Blumberg, Bruce -- Dichmann, Darwin S -- Dubchak, Inna -- Amaya, Enrique -- Detter, John C -- Fletcher, Russell -- Gerhard, Daniela S -- Goodstein, David -- Graves, Tina -- Grigoriev, Igor V -- Grimwood, Jane -- Kawashima, Takeshi -- Lindquist, Erika -- Lucas, Susan M -- Mead, Paul E -- Mitros, Therese -- Ogino, Hajime -- Ohta, Yuko -- Poliakov, Alexander V -- Pollet, Nicolas -- Robert, Jacques -- Salamov, Asaf -- Sater, Amy K -- Schmutz, Jeremy -- Terry, Astrid -- Vize, Peter D -- Warren, Wesley C -- Wells, Dan -- Wills, Andrea -- Wilson, Richard K -- Zimmerman, Lyle B -- Zorn, Aaron M -- Grainger, Robert -- Grammer, Timothy -- Khokha, Mustafa K -- Richardson, Paul M -- Rokhsar, Daniel S -- HHSN261200800001E/CA/NCI NIH HHS/ -- MC_U117560482/Medical Research Council/United Kingdom -- P41 HD064556/HD/NICHD NIH HHS/ -- P41 HD064556-01/HD/NICHD NIH HHS/ -- P41 HD064556-02/HD/NICHD NIH HHS/ -- R01 AI027877/AI/NIAID NIH HHS/ -- R01 AI027877-20/AI/NIAID NIH HHS/ -- R01 DK070858/DK/NIDDK NIH HHS/ -- R01 DK070858-05/DK/NIDDK NIH HHS/ -- R01 EY018000/EY/NEI NIH HHS/ -- R01 EY018000-03/EY/NEI NIH HHS/ -- R01 GM060572/GM/NIGMS NIH HHS/ -- R01 GM060572-05/GM/NIGMS NIH HHS/ -- R01 GM086321/GM/NIGMS NIH HHS/ -- R01 GM086321-03/GM/NIGMS NIH HHS/ -- R01 HD042294/HD/NICHD NIH HHS/ -- R01 HD042294-05/HD/NICHD NIH HHS/ -- R01 HD045776/HD/NICHD NIH HHS/ -- R01 HD045776-05/HD/NICHD NIH HHS/ -- R01 HD046661-03/HD/NICHD NIH HHS/ -- R01 MH079381/MH/NIMH NIH HHS/ -- R01 MH079381-02/MH/NIMH NIH HHS/ -- R21 HD065713/HD/NICHD NIH HHS/ -- R24 AI059830/AI/NIAID NIH HHS/ -- R24 AI059830-08/AI/NIAID NIH HHS/ -- R24 RR015088/RR/NCRR NIH HHS/ -- R24 RR015088-03/RR/NCRR NIH HHS/ -- U01 HG002155-05/HG/NHGRI NIH HHS/ -- U01 HG02155/HG/NHGRI NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2010 Apr 30;328(5978):633-6. doi: 10.1126/science.1183670.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA. uhellsten@lbl.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20431018" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chickens/genetics ; Chromosome Mapping ; Chromosomes/genetics ; Computational Biology ; Conserved Sequence ; DNA Transposable Elements ; DNA, Complementary ; Embryo, Nonmammalian/metabolism ; Evolution, Molecular ; Expressed Sequence Tags ; Gene Duplication ; Genes ; *Genome ; Humans ; Phylogeny ; *Sequence Analysis, DNA ; Synteny ; Vertebrates/genetics ; Xenopus/embryology/*genetics ; Xenopus Proteins/genetics
    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
    Publication Date: 2008-03-07
    Description: Mycorrhizal symbioses--the union of roots and soil fungi--are universal in terrestrial ecosystems and may have been fundamental to land colonization by plants. Boreal, temperate and montane forests all depend on ectomycorrhizae. Identification of the primary factors that regulate symbiotic development and metabolic activity will therefore open the door to understanding the role of ectomycorrhizae in plant development and physiology, allowing the full ecological significance of this symbiosis to be explored. Here we report the genome sequence of the ectomycorrhizal basidiomycete Laccaria bicolor (Fig. 1) and highlight gene sets involved in rhizosphere colonization and symbiosis. This 65-megabase genome assembly contains approximately 20,000 predicted protein-encoding genes and a very large number of transposons and repeated sequences. We detected unexpected genomic features, most notably a battery of effector-type small secreted proteins (SSPs) with unknown function, several of which are only expressed in symbiotic tissues. The most highly expressed SSP accumulates in the proliferating hyphae colonizing the host root. The ectomycorrhizae-specific SSPs probably have a decisive role in the establishment of the symbiosis. The unexpected observation that the genome of L. bicolor lacks carbohydrate-active enzymes involved in degradation of plant cell walls, but maintains the ability to degrade non-plant cell wall polysaccharides, reveals the dual saprotrophic and biotrophic lifestyle of the mycorrhizal fungus that enables it to grow within both soil and living plant roots. The predicted gene inventory of the L. bicolor genome, therefore, points to previously unknown mechanisms of symbiosis operating in biotrophic mycorrhizal fungi. The availability of this genome provides an unparalleled opportunity to develop a deeper understanding of the processes by which symbionts interact with plants within their ecosystem to perform vital functions in the carbon and nitrogen cycles that are fundamental to sustainable plant productivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, F -- Aerts, A -- Ahren, D -- Brun, A -- Danchin, E G J -- Duchaussoy, F -- Gibon, J -- Kohler, A -- Lindquist, E -- Pereda, V -- Salamov, A -- Shapiro, H J -- Wuyts, J -- Blaudez, D -- Buee, M -- Brokstein, P -- Canback, B -- Cohen, D -- Courty, P E -- Coutinho, P M -- Delaruelle, C -- Detter, J C -- Deveau, A -- DiFazio, S -- Duplessis, S -- Fraissinet-Tachet, L -- Lucic, E -- Frey-Klett, P -- Fourrey, C -- Feussner, I -- Gay, G -- Grimwood, J -- Hoegger, P J -- Jain, P -- Kilaru, S -- Labbe, J -- Lin, Y C -- Legue, V -- Le Tacon, F -- Marmeisse, R -- Melayah, D -- Montanini, B -- Muratet, M -- Nehls, U -- Niculita-Hirzel, H -- Oudot-Le Secq, M P -- Peter, M -- Quesneville, H -- Rajashekar, B -- Reich, M -- Rouhier, N -- Schmutz, J -- Yin, T -- Chalot, M -- Henrissat, B -- Kues, U -- Lucas, S -- Van de Peer, Y -- Podila, G K -- Polle, A -- Pukkila, P J -- Richardson, P M -- Rouze, P -- Sanders, I R -- Stajich, J E -- Tunlid, A -- Tuskan, G -- Grigoriev, I V -- England -- Nature. 2008 Mar 6;452(7183):88-92. doi: 10.1038/nature06556.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉UMR 1136, INRA-Nancy Universite, Interactions Arbres/Microorganismes, INRA-Nancy, 54280 Champenoux, France. fmartin@nancy.inra.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18322534" target="_blank"〉PubMed〈/a〉
    Keywords: Abies/microbiology/physiology ; Basidiomycota/enzymology/*genetics/*physiology ; Fungal Proteins/classification/genetics/metabolism ; Gene Expression Regulation ; Genes, Fungal/genetics ; Genome, Fungal/*genetics ; Hyphae/genetics/metabolism ; Mycorrhizae/enzymology/*genetics/*physiology ; Plant Roots/*microbiology/physiology ; Symbiosis/genetics/*physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2008-10-17
    Description: Diatoms are photosynthetic secondary endosymbionts found throughout marine and freshwater environments, and are believed to be responsible for around one-fifth of the primary productivity on Earth. The genome sequence of the marine centric diatom Thalassiosira pseudonana was recently reported, revealing a wealth of information about diatom biology. Here we report the complete genome sequence of the pennate diatom Phaeodactylum tricornutum and compare it with that of T. pseudonana to clarify evolutionary origins, functional significance and ubiquity of these features throughout diatoms. In spite of the fact that the pennate and centric lineages have only been diverging for 90 million years, their genome structures are dramatically different and a substantial fraction of genes ( approximately 40%) are not shared by these representatives of the two lineages. Analysis of molecular divergence compared with yeasts and metazoans reveals rapid rates of gene diversification in diatoms. Contributing factors include selective gene family expansions, differential losses and gains of genes and introns, and differential mobilization of transposable elements. Most significantly, we document the presence of hundreds of genes from bacteria. More than 300 of these gene transfers are found in both diatoms, attesting to their ancient origins, and many are likely to provide novel possibilities for metabolite management and for perception of environmental signals. These findings go a long way towards explaining the incredible diversity and success of the diatoms in contemporary oceans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowler, Chris -- Allen, Andrew E -- Badger, Jonathan H -- Grimwood, Jane -- Jabbari, Kamel -- Kuo, Alan -- Maheswari, Uma -- Martens, Cindy -- Maumus, Florian -- Otillar, Robert P -- Rayko, Edda -- Salamov, Asaf -- Vandepoele, Klaas -- Beszteri, Bank -- Gruber, Ansgar -- Heijde, Marc -- Katinka, Michael -- Mock, Thomas -- Valentin, Klaus -- Verret, Frederic -- Berges, John A -- Brownlee, Colin -- Cadoret, Jean-Paul -- Chiovitti, Anthony -- Choi, Chang Jae -- Coesel, Sacha -- De Martino, Alessandra -- Detter, J Chris -- Durkin, Colleen -- Falciatore, Angela -- Fournet, Jerome -- Haruta, Miyoshi -- Huysman, Marie J J -- Jenkins, Bethany D -- Jiroutova, Katerina -- Jorgensen, Richard E -- Joubert, Yolaine -- Kaplan, Aaron -- Kroger, Nils -- Kroth, Peter G -- La Roche, Julie -- Lindquist, Erica -- Lommer, Markus -- Martin-Jezequel, Veronique -- Lopez, Pascal J -- Lucas, Susan -- Mangogna, Manuela -- McGinnis, Karen -- Medlin, Linda K -- Montsant, Anton -- Oudot-Le Secq, Marie-Pierre -- Napoli, Carolyn -- Obornik, Miroslav -- Parker, Micaela Schnitzler -- Petit, Jean-Louis -- Porcel, Betina M -- Poulsen, Nicole -- Robison, Matthew -- Rychlewski, Leszek -- Rynearson, Tatiana A -- Schmutz, Jeremy -- Shapiro, Harris -- Siaut, Magali -- Stanley, Michele -- Sussman, Michael R -- Taylor, Alison R -- Vardi, Assaf -- von Dassow, Peter -- Vyverman, Wim -- Willis, Anusuya -- Wyrwicz, Lucjan S -- Rokhsar, Daniel S -- Weissenbach, Jean -- Armbrust, E Virginia -- Green, Beverley R -- Van de Peer, Yves -- Grigoriev, Igor V -- England -- Nature. 2008 Nov 13;456(7219):239-44. doi: 10.1038/nature07410. Epub 2008 Oct 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉CNRS UMR8186, Department of Biology, Ecole Normale Superieure, 46 rue d'Ulm, 75005 Paris, France. cbowler@biologie.ens.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18923393" target="_blank"〉PubMed〈/a〉
    Keywords: DNA, Algal/analysis ; Diatoms/*genetics ; *Evolution, Molecular ; Genes, Bacterial/genetics ; Genome/*genetics ; Molecular Sequence Data ; Protein Structure, Tertiary ; Sequence Homology, Amino Acid ; Signal Transduction
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2007-02-17
    Description: Chemoautotrophic endosymbionts are the metabolic cornerstone of hydrothermal vent communities, providing invertebrate hosts with nearly all of their nutrition. The Calyptogena magnifica (Bivalvia: Vesicomyidae) symbiont, Candidatus Ruthia magnifica, is the first intracellular sulfur-oxidizing endosymbiont to have its genome sequenced, revealing a suite of metabolic capabilities. The genome encodes major chemoautotrophic pathways as well as pathways for biosynthesis of vitamins, cofactors, and all 20 amino acids required by the clam.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Newton, I L G -- Woyke, T -- Auchtung, T A -- Dilly, G F -- Dutton, R J -- Fisher, M C -- Fontanez, K M -- Lau, E -- Stewart, F J -- Richardson, P M -- Barry, K W -- Saunders, E -- Detter, J C -- Wu, D -- Eisen, J A -- Cavanaugh, C M -- New York, N.Y. -- Science. 2007 Feb 16;315(5814):998-1000.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard University, 16 Divinity Avenue, Biolabs 4080, Cambridge, MA 02138, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17303757" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bivalvia/*microbiology ; Carbon/metabolism ; Chemoautotrophic Growth ; Gammaproteobacteria/*genetics/isolation & purification/metabolism/ultrastructure ; *Genome, Bacterial ; Molecular Sequence Data ; Photosynthesis ; *Symbiosis
    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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  • 10
    Publication Date: 2009-10-10
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3854948/" 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/PMC3854948/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chain, P S G -- Grafham, D V -- Fulton, R S -- Fitzgerald, M G -- Hostetler, J -- Muzny, D -- Ali, J -- Birren, B -- Bruce, D C -- Buhay, C -- Cole, J R -- Ding, Y -- Dugan, S -- Field, D -- Garrity, G M -- Gibbs, R -- Graves, T -- Han, C S -- Harrison, S H -- Highlander, S -- Hugenholtz, P -- Khouri, H M -- Kodira, C D -- Kolker, E -- Kyrpides, N C -- Lang, D -- Lapidus, A -- Malfatti, S A -- Markowitz, V -- Metha, T -- Nelson, K E -- Parkhill, J -- Pitluck, S -- Qin, X -- Read, T D -- Schmutz, J -- Sozhamannan, S -- Sterk, P -- Strausberg, R L -- Sutton, G -- Thomson, N R -- Tiedje, J M -- Weinstock, G -- Wollam, A -- Genomic Standards Consortium Human Microbiome Project Jumpstart Consortium -- Detter, J C -- U54 HG004968/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2009 Oct 9;326(5950):236-7. doi: 10.1126/science.1180614.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. Department of Energy Joint Genome Institute, Walnut Creek, CA 94598, USA. pchain@lanl.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19815760" target="_blank"〉PubMed〈/a〉
    Keywords: Computational Biology ; Databases, Nucleic Acid/*standards ; *Genome ; Genomics/*standards ; Sequence Analysis, DNA/*standards
    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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