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Metagenome of a Versatile Chemolithoautotroph from Expanding Oceanic Dead Zones

Walsh, David A ; Zaikova, Elena ; Howes, Charles G ; Song, Young C ; Wright, Jody J ; Tringe, Susannah G ; Tortell, Philippe D ; Hallam, Steven J

Science (American Association for the Advancement of Science), 2009-10, Vol.326 (5952), p.578-582 [Periódico revisado por pares]

Washington, DC: American Association for the Advancement of Science

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Título:
Metagenome of a Versatile Chemolithoautotroph from Expanding Oceanic Dead Zones
Autor: Walsh, David A ; Zaikova, Elena ; Howes, Charles G ; Song, Young C ; Wright, Jody J ; Tringe, Susannah G ; Tortell, Philippe D ; Hallam, Steven J
Assuntos: 59 ; Animal and plant ecology ; Animal, plant and microbial ecology ; Bacteria ; Biological and medical sciences ; Biomass ; Biomass, British Columbia, Carbon/metabolism, Chemoautotrophic Growth, Ecosystem, Energy Metabolism, Gammaproteobacteria/genetics, Gammaproteobacteria/metabolism, Gammaproteobacteria/physiology, Genes, rRNA, Genome, Bacterial, Metagenome, Molecular Sequence Data, Nitrates/metabolism, Oxidation-Reduction, Oxygen/analysis, Pacific Ocean, Phylogeny, Seasons, Seawater/chemistry, Seawater/microbiology, Sulfur/metabolism, Symbiosis ; British Columbia ; CARBON ; Carbon - metabolism ; CARBON SEQUESTRATION ; Chemoautotrophic Growth ; CLAMS ; Climate change ; DETOXIFICATION ; Ecosystem ; Energy Metabolism ; EUTROPHICATION ; Fundamental and applied biological sciences. Psychology ; Gammaproteobacteria - genetics ; Gammaproteobacteria - metabolism ; Gammaproteobacteria - physiology ; GENES ; Genes, rRNA ; Genome, Bacterial ; Genomes ; Genomics ; GILLS ; Global warming ; GREENHOUSE EFFECT ; GREENHOUSE GASES ; Inlets ; Marine ; Marine biology ; Metagenome ; Metagenomics ; Metazoa ; Molecular Sequence Data ; MUSSELS ; NITRATES ; Nitrates - metabolism ; NITROGEN ; Nitrous oxide ; NUTRIENTS ; Oxidation ; Oxidation-Reduction ; OXYGEN ; Oxygen - analysis ; Pacific Ocean ; Phylogeny ; PRODUCTIVITY ; RESPIRATION ; rRNA genes ; Sea water ecosystems ; Seasons ; Seawater - chemistry ; Seawater - microbiology ; SULFIDES ; Sulfur ; Sulfur - metabolism ; Symbionts ; Symbiosis ; Synecology ; WATER
É parte de: Science (American Association for the Advancement of Science), 2009-10, Vol.326 (5952), p.578-582
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Genomics Division
LBNL-3272E
DE-AC02-05CH11231
Descrição: Oxygen minimum zones, also known as oceanic "dead zones," are widespread oceanographic features currently expanding because of global warming. Although inhospitable to metazoan life, they support a cryptic microbiota whose metabolic activities affect nutrient and trace gas cycling within the global ocean. Here, we report metagenomic analyses of a ubiquitous and abundant but uncultivated oxygen minimum zone microbe (SUP05) related to chemoautotrophic gill symbionts of deep-sea clams and mussels. The SUP05 metagenome harbors a versatile repertoire of genes mediating autotrophic carbon assimilation, sulfur oxidation, and nitrate respiration responsive to a wide range of water-column redox states. Our analysis provides a genomic foundation for understanding the ecological and biogeochemical role of pelagic SUP05 in oxygen-deficient oceanic waters and its potential sensitivity to environmental changes.
Editor: Washington, DC: American Association for the Advancement of Science
Idioma: Inglês

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Metagenome of a Versatile Chemolithoautotroph from Expanding Oceanic Dead Zones

Walsh, David A ; Zaikova, Elena ; Howes, Charles G ; Song, Young C ; Wright, Jody J ; Tringe, Susannah G ; Tortell, Philippe D ; Hallam, Steven J

Washington, DC: American Association for the Advancement of Science

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