ISSN:
1432-072X
Keywords:
Methanogens
;
Archaebacteria
;
Autotrophic
;
Thermophilic
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract An autotrophic thermophilic motile coccoid methanogen was isolated from geothermally heated sea sediments close to Naples, Italy. Growth occurs on H2/CO2 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 genusMethanococcus. We name itMethanococcus thermolithotrophicus.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00690816
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