1887

Abstract

A straight-chain, spore-forming actinobacterium, strain YIM 120770, was isolated from soil. Phylogenetic analysis on the basis of 16S rRNA gene sequence comparisons revealed that the isolate represents a distinct cluster within the clade comprising the genus and is related most closely to YIM 67092 (96.5 % similarity). Cells of strain YIM 120770 grew in the presence of 0–3 % (w/v) NaCl, at 15–37 °C and at pH 7.0–8.0. The diagnostic amino acid was -diaminopimelic acid, cell hydrolysates contained madurose, glucose, mannose, ribose and galactose, the predominant cellular fatty acids were 10-methyl C and iso-C, and the DNA G+C content was 66.4 mol%, data consistent with affiliation of strain YIM 120770 to the genus . Strain YIM 120770 shared low levels of 16S rRNA gene sequence similarity (<97 %) with the type strains of recognized species of the genus and could be differentiated from its closest phylogenetic relative based on phenotypic characteristics. These results suggested that strain YIM 120770 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is YIM 120770 ( = DSM 45533 = JCM 17347).

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2012-07-01
2020-01-20
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