Dataset Information

Complete genome sequence of a nonculturable Methanococcus maripaludis strain extracted in a metagenomic survey of petroleum reservoir fluids.

ABSTRACT: Extraction of genome sequences from metagenomic data is crucial for reconstructing the metabolism of microbial communities that cannot be mimicked in the laboratory. A complete Methanococcus maripaludis genome was generated from metagenomic data derived from a thermophilic subsurface oil reservoir. M. maripaludis is a hydrogenotrophic methanogenic species that is common in mesophilic saline environments. Comparison of the genome from the thermophilic, subsurface environment with the genome of the type species will provide insight into the adaptation of a methanogenic genome to an oil reservoir environment.

SUBMITTER: Wang X

PROVIDER: S-EPMC3187424 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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Complete genome sequence of a nonculturable Methanococcus maripaludis strain extracted in a metagenomic survey of petroleum reservoir fluids.

Wang Xiaoyi X Greenfield Paul P Li Dongmei D Hendry Philip P Volk Herbert H Sutherland Tara D TD

Journal of bacteriology 20111001 19

Extraction of genome sequences from metagenomic data is crucial for reconstructing the metabolism of microbial communities that cannot be mimicked in the laboratory. A complete Methanococcus maripaludis genome was generated from metagenomic data derived from a thermophilic subsurface oil reservoir. M. maripaludis is a hydrogenotrophic methanogenic species that is common in mesophilic saline environments. Comparison of the genome from the thermophilic, subsurface environment with the genome of th ...[more]

PMID: 21914896

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Project description:Methanococcus maripaludis is a rapidly growing, fully sequenced, genetically tractable model organism among hydrogenotrophic methanogens. It has the ability to convert CO2 and H2 into a useful cleaner energy fuel (CH4). In fact, this conversion enhances in the presence of free nitrogen as the sole nitrogen source due to prolonged cell growth. Given the global importance of GHG emissions and climate change, diazotrophy can be attractive for carbon capture and utilization applications from appropriately treated flue gases, where surplus hydrogen is available from renewable electricity sources. In addition, M. maripaludis can be engineered to produce other useful products such as terpenoids, hydrogen, methanol, etc. M. maripaludis with its unique abilities has the potential to be a workhorse like Escherichia coli and S. cerevisiae for fundamental and experimental biotechnology studies. More than 100 experimental studies have explored different specific aspects of the biochemistry and genetics of CO2 and N2 fixation by M. maripaludis. Its genome-scale metabolic model (iMM518) also exists to study genetic perturbations and complex biological interactions. However, a comprehensive review describing its cell structure, metabolic processes, and methanogenesis is still lacking in the literature. This review fills this crucial gap. Specifically, it integrates distributed information from the literature to provide a complete and detailed view for metabolic processes such as acetyl-CoA synthesis, pyruvate synthesis, glycolysis/gluconeogenesis, reductive tricarboxylic acid (RTCA) cycle, non-oxidative pentose phosphate pathway (NOPPP), nitrogen metabolism, amino acid metabolism, and nucleotide biosynthesis. It discusses energy production via methanogenesis and its relation to metabolism. Furthermore, it reviews taxonomy, cell structure, culture/storage conditions, molecular biology tools, genome-scale models, and potential industrial and environmental applications. Through the discussion, it develops new insights and hypotheses from experimental and modeling observations, and identifies opportunities for further research and applications.

Dataset Information

Complete genome sequence of a nonculturable Methanococcus maripaludis strain extracted in a metagenomic survey of petroleum reservoir fluids.

Publications

Complete genome sequence of a nonculturable Methanococcus maripaludis strain extracted in a metagenomic survey of petroleum reservoir fluids.

Similar Datasets

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