Methanococcus thermolithotrophicus, a novel thermophilic lithotrophic methanogen
摘要:
An autotrophic thermophilic motile coccoid methanogen was isolated from geothermally heated sea sediments close to Naples, Italy. Growth occurs on H 2 /CO 2 and on formate between 30 and 70°C with an optimum at 65°C. The optimal doubling time is only 55 min. The NaCl-concentration ranges from 1.3% to 8.3% with an optimum around 4%. By its G+C-content of 31.3 mol%, its subunit envelope, and by DNA-RNA hybridization the new isolate is clearly defined to be a member of the genus Methanococcus . We name it Methanococcus thermolithotrophicus .
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DOI:
10.1007/BF00690816
被引量:
年份:
1982
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