1887

Abstract

A novel actinomycete, strain YIM 45681, which was isolated from soil in a suburb of Kunming, Yunnan Province, China, was subjected to phenotypic and genotypic characterization. The micro-organism, which produces short spore chains arranged in spirals on the aerial mycelium, was shown to have -diaminopimelic acid in the cell wall. The sugars present in whole-cell hydrolysates were ribose, xylose, galactose, madurose and glucose. The predominant menaquinones were MK-9(H), MK-9(H) and MK-9(H). The phospholipids included diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and phosphatidylinositol mannoside. The major fatty acids were iso-C H, C 8, 10-methyl C and C. A comparative analysis of 16S rRNA gene sequences indicated that the organism formed a distinct clade within the evolutionary radiation of the family , and that it was closely associated with members of the genus . A broad range of phenotypic and genetic data supported the suggestion that this organism represents a novel species of the genus , for which the name sp. nov. is proposed, with YIM 45681 (=DSM 45045 =CCTCC AA206005) as the type strain.

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2007-08-01
2021-02-27
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