1887

Abstract

Two Gram-stain-positive, facultatively aerobic, endospore-forming and rod-shaped bacteria, designated DB13031 and DB13311, were isolated from the soil of the Jiaxi Nature Reserve in Hainan, PR China. 16S rRNA gene analysis of strains DB13031 and DB13311 showed that they fell within the cluster, with highest similarities to AP-115 (98.4 and 98.3 %, respectively), BP-23 (98.3 and 98.2 %, respectively) and L10 (97.7 and 97.7 %, respectively). The DNA–DNA hybridization values between strain DB13031 and the type strains of its closest related species were 48.2, 38.1 and 43.5 %. Strain DB13031 contained menaquinone-7 (MK-7) as the predominant isoprenoid quinone and anteiso-C, iso-C and C as the major cellular fatty acids. The cell-wall peptidoglycan was of the A1γ type and the major polar lipid profiles were diphosphatidylglycerol, phosphatidylethanolamine, four unknown aminophospholipids and four unknown phospholipids. Based on the phenotypic and genotypic data, it is proposed that the two isolates represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is DB13031 (=CGMCC 1.12770=DSM 28013).

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2017-04-01
2020-01-17
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