1887

Abstract

A Gram-stain-positive, facultatively anaerobic bacterial strain, designated WLJ055, with polar and subpolar flagella was isolated from the top layer of desert soil from Erdos, Inner Mongolia, northern China. Phylogenetic analysis, based on 16S rRNA gene sequences, revealed that strain WLJ055 was a member of the genus , and shared 97.17–97.24 % 16S rRNA gene sequence similarities with GR21 and HR1. The major polar lipids of strain WLJ055 were diphosphatidylglycerol, phosphatidylglycerol, an unknown aminophospholipid, two unknown glycolipids and an unknown phosphoglycolipid. MK-7 was the predominant menaquinone, while anteiso-C, C, iso-C, and anteiso-C were the major cellular fatty acids. Its genomic DNA G+C content was 55.5 mol%. DNA–DNA hybridization revealed that strain WLJ055 showed 45 ± 5 % and 40 ± 5 % genomic DNA relatedness with its two closest relatives, GR21 and HR1, respectively. The results of physiological and biochemical tests allowed the discrimination of strain WLJ055 from its phylogenetic relatives. sp. nov. is therefore proposed to be a novel species of the genus , with strain WLJ055 ( = CGMCC 1.15276 = KCTC 33693) as the type strain.

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2016-02-01
2019-10-16
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