1887

Abstract

A Gram-positive-staining, non-motile, rod- or coccoid-shaped actinobacterium, designated strain H17, was isolated from a soil sample from Nanjing, Jiangsu Province, PR China. The organism grew optimally at 30 °C, pH 7.0 and with 3 % NaCl (w/v). Strain H17 contained -Lys–-Asp as the cell-wall peptidoglycan type and galactose, xylose and mannose as the whole-cell sugars. The major fatty acids were anteiso-C and iso-C. The total polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phospholipids, phosphatidylinositol, phosphoglycolipid, one unidentified glycolipid and one unidentified lipid. The menaquinone was MK9(H). Mycolic acids were not detected. The DNA G+C content was 72.4 mol%. Phylogenetic analysis of this strain based on 16S rRNA gene sequences revealed 97.8–99.6 % similarity to recognized species of the genus . The low level of DNA–DNA relatedness to other species of the genus and the many phenotypic properties that distinguished strain H17 from recognized species of this genus demonstrated that isolate H17 should be classified as representing a novel species of the genus . The name sp. nov. is proposed for this novel species. The type strain is H17 ( = DSM 24300 = CCTCC AB 2011005).

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2012-04-01
2019-12-08
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