1887

Abstract

A Gram-negative, aerobic, motile, rod-shaped, antimony-resistant bacterium, designated strain SB22, was isolated from soil of Jixi coal mine, China. The major cellular fatty acids (>5 %) were Cω7 (63.5 %), summed feature 2 (C 3-OH and/or iso-C I, 10.8 %) and C (9.9 %). The major polar lipids were diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol and an unknown aminolipid. The genomic DNA G+C content was 69.6 mol% and Q-10 was the major respiratory quinone. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain SB22 was most closely related to 5416T-32 (97.3 %), ACM 2042 (95.8 %) and 10-1-101 (92.9 %). The DNA–DNA hybridization value between strain SB22 and KACC 11604 ( = 5416T-32) was 43.3 %. On the basis of phenotypic, chemotaxonomic and phylogenetic characteristics of strain SB22 and related species, it is considered that the isolate represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SB22 ( = CGMCC 1.10751 = KCTC 23364). An emended description of the genus is provided.

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2012-06-01
2019-10-14
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