1887

Abstract

An actinomycete with well-branched mycelia, designated strain YIM 120521, was isolated from soil collected from the banks of the Nujiang River, Yunnan Province, south-west China. Both aerial and substrate mycelia were white and non-pigmented. Growth was observed at 4–40 °C (optimum 28 °C), pH 6.0–9.0 (optimum 7.0) and in 0–4 % (w/v) NaCl (optimum 0 %). Analysis of the 16S rRNA gene sequence revealed that strain YIM 120521 belongs to the genus with the highest sequence similarity to DSM 44149 (98.4 %). However, the mean DNA–DNA relatedness value between the two strains was below 70 %. Chemotaxonomic characteristics supported the inclusion of strain YIM 120521 in the genus , with rhamnose, arabinose, glucose, galactose and mannose as the whole-cell sugars, -diaminopimelic acid as the cell-wall diamino acid and MK-9(H) as the predominant menaquinone. On the basis of physiological, biochemical and chemotaxonomic characteristics, strain YIM 120521 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is YIM 120521 ( = JCM 17342 = DSM 45532).

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2013-11-01
2019-10-18
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