1887

Abstract

A thermophilic, facultatively chemolithoautotrophic bacterium oxidizing molecular hydrogen has been isolated. It formed round, terminal endospores and had a multilayered cell wall. Although growth rates were highest under autotrophic conditions, certain organic chemicals, including short-chain fatty acids, some amino acids, 1-propanol and phenol, could serve as sole carbon and energy sources; ammonium ions, urea and -asparagine could serve as sole nitrogen sources. The hydrogenase was membrane-bound and did not reduce NAD(P). The guanine + cytosine content of its DNA was 67 to 68 mol%. Based on its morphological and biochemical features, the organism belongs to , but differs from any of the previously described species attributed to this genus. It is therefore proposed as constituting a new species, , named after the German microbiologist H. G. Schlegel. The type strain of , strain MA48, has been deposited with the German Collection of Microorganisms, Göttingen, under the accession number DSM 2000.

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1979-12-01
2022-01-23
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