1887

Abstract

Strain Con a/3 is a Gram-positive, motile, endospore-forming, rod-shaped and arsenic-resistant bacterium, which was isolated from a concretion of arsenic ore obtained from a bore-hole. The bacterium grew in the presence of 20 mM arsenate and 0·5 mM arsenite. Diaminopimelic acid was present in the cell wall peptidoglycan, MK-7 was the major menaquinone, and iso-C, anteiso-C, iso-C and C(7) were the major fatty acids. Based on its phenotypic, chemotaxonomic and phylogenetic characteristics, strain Con a/3 was identified as a member of the genus . It exhibited maximum similarity (97 %) at the 16S rRNA gene level with (DSM 14730); however, the DNA–DNA relatedness value with was 60 %. Strain Con a/3 also exhibited a number of phenotypic differences from (DSM 14730). Strain Con a/3 was therefore identified as representing a novel species of the genus , for which the name sp. nov. is proposed. The type strain is Con a/3 (=MTCC 4380=DSM 15822=JCM 12167).

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2005-05-01
2019-10-18
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SEMs of the surface of a spheroidal concretion. [PDF](85 KB)

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Comparison of the lipid composition of the type strains of sp. nov. and and a neighbour-joining tree showing the phylogenetic relationships between sp. nov. and other species of the genus [PDF](114 KB)

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