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Lentibacillus lacisalsi sp. nov., a moderately halophilic bacterium isolated from a saline lake in China

¹ Korea Research Institute of Bioscience and Biotechnology, 52 Oeundong, Yusong, Daejeon 305-333, Republic of Korea
² Environmental Biotechnology National Core Research Center, Division of Environmental Biotechnology, Gyeongsang National University, 660-701, Korea
³ Yunnan Institute of Microbiology, Yunnan University, Kunming, Yunnan, 650091, P.R. China

Correspondence
Chang-Jin Kim
changjin{at}kribb.re.kr

An aerobic, spore-forming, moderately halophilic bacterium, strain BH260^T, was isolated from a salt lake in China. Cells of this strain were found to be motile rods with flagella. The organism grew optimally at 30–32 °C and pH 8·0 in the presence of 12–15 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences showed that the isolate formed a clade with the type strains of the genus Lentibacillus. The levels of 16S rRNA gene sequence similarity for strain BH260^T with respect to Lentibacillus salsus KCTC 3911^T, Lentibacillus juripiscarius JCM 12147^T and Lentibacillus salicampi KCCM 41560^T were 96·0, 95·5 and 95·3 %, respectively. Chemotaxonomic data (a DNA G+C content of 44 mol%; MK-7 as the major isoprenoid quinone; A1-meso-diaminopimelic acid as the cell-wall type; phosphatidylglycerol and diphosphatidylglycerol as the major polar lipids; anteiso-C_{15 : 0}, anteiso-C_{17 : 0} and iso-C_{16 : 0} as the major fatty acids) also supported assignment of the isolate to the genus Lentibacillus. On the basis of physiological and molecular properties, the isolate represents a novel species within the genus Lentibacillus, for which the name Lentibacillus lacisalsi sp. nov. is proposed. The type strain is BH260^T (=KCTC 3915^T=DSM 16462^T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strains BH260^T is AY667497.

A transmission electron micrograph of a cell of strain BH260^T is available as a supplementary figure in IJSEM Online.

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