Gracilibacillus lacisalsi sp. nov. a halophilic gram-positive bacterium from a salt lake in China

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Title
Gracilibacillus lacisalsi sp. nov. a halophilic gram-positive bacterium from a salt lake in China
Author(s)
C O Jeon; Jee Min Lim; H H Jang; Dong Jin park; L H Xu; C L Jiang; Chang-Jin Kim
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 58, no. 10, pp. 2282-2286
Publication Year
2008
Abstract
Two Gram-positive, motile, rod-shaped, halophilic bacteria showing optimum growth at 5-7% (w/v) NaCl were isolated from a salt lake, Xin-Jiang Province, China. The strains, designated BH312T and BH314, grew in the presence of 1-18% (w/v) NaCl and at temperatures of 15-50 °C (optimum: 40 °C) and pH values of 5.5-10.0 (optimum: pH 7.5-8.0). The major cellular fatty acids were anteiso-C15:0, iso-C15:0 and anteiso-C17:0. The DNA G+C content was 38.8-39.0 mol% and the predominant lipoquinone was MK-7. The major cellular phospholipids were phosphatidylglycerol, diphosphatidylglycerol and two unidentified phospholipids. Phylogenetic analyses based on 16S rRNA gene sequences showed that the isolates formed a cluster with Gracilibacillus orientalis XH-63T within the genus Gracilibacillus. The levels of 16S rRNA gene sequence similarity with closely related type strains were lower than 96.2%. On the basis of phylogenetic, phenotypic and chemotaxonomic properties, the isolates represent a novel species of the genus Gracilibacillus for which the name Gracilibacillus lacisalsi sp. nov. is proposed. The type strain is BH312T (=KCTC 13129T=DSM 19029T).
ISSN
0020-7713
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.65369-0
Type
Article
Appears in Collections:
Division of Biomedical Research > Microbiome Convergence Research Center > 1. Journal Articles
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