Anaerobic Degradation of Tetramethylammonium by a Newly Isolated Marine Methanogen

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概要

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• A strain (strain NaT1) of a tetramethylammonium-degrading methanogen was isolated in pure cultuer from a sand sample obtained from Tokyo Bay. The strain degraded tetramethylammonium to methane and ammonium stoichiometrically. Trimethylammonium, dimethylammonium, methylammonium, and methanolwere also degraded, but H_2/CO_2,formate, and acetate were not. Cells were oval to spherical and 0.5-1.2 μm in diameter. They occurred singly or inpairs The strain was a mesophilic marine methanogen, and required 0.3-0.4 M Na^+ for optimal growth. The grwoth of the strain was suppressed by nitrate, sulfate, thiosulfate, elemental sulfur, and yeast extract. Sulfite inhibited the growth completely even 1 mM. The guanine plus cytosine content of DNA was 45 mol%. Strain NaT1 was identified as a member of the family methanosarcinaceae.

• 公益社団法人日本生物工学会の論文
• 1994-11-25

著者

• Tanaka Kazuhiro

  National Institute Of Bioscience And Human-technology

関連論文

• Anaerobic Degradation of Tetramethylammonium by a Newly Isolated Marine Methanogen

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