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Int J Syst Evol Microbiol 58 (2008), 1537-1541; DOI  10.1099/ijs.0.65467-0
© 2008 International Union of Microbiological Societies

Salinicoccus halodurans sp. nov., a moderate halophile from saline soil in China

Xiaowei Wang1,2, Yanfen Xue1, Sanqing Yuan1,2, Cheng Zhou1,2 and Yanhe Ma1

1 State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, PR China
2 Graduate School of the Chinese Academy of Sciences, 100049 Beijing, PR China

Correspondence
Yanhe Ma
mayanhe{at}im.ac.cn

A moderately halophilic, Gram-positive coccus, designated strain W24T, was isolated from saline soil in Qinghai province, China. The isolate was able to grow at salinities of 0–24 % (w/v) NaCl (optimally at 8 %, w/v), at pH 5.5–9.0 (optimally at pH 7.5) and at 8–43 °C (optimally at 28 °C). The genomic DNA G+C content of strain W24T was 45.8 mol%. The predominant isoprenoid quinone was MK-6 and the cell wall contained lysine and glycine as diagnostic diamino acids. The polar lipids were diphosphatidylglycerol, phosphatidylglycerol and an unidentified glycolipid. The major cellular fatty acids were iso-C15 : 0, anteiso-C15 : 0 and C16 : 0. Based on 16S rRNA gene sequence analysis, strain W24T was found to be a member of the genus Salinicoccus and was related most closely to Salinicoccus hispanicus DSM 5352T (96.5 % sequence similarity). Based on data from the current polyphasic study, strain W24T is considered to represent a novel species of the genus Salinicoccus, for which the name Salinicoccus halodurans sp. nov. is proposed. The type strain is W24T (=CGMCC 1.6501T=DSM 19336T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain W24T is DQ989633.

Transmission electron micrographs of cells of strain W24T occurring singly, in pairs and in tetrads are available as a supplementary figure with the online version of this paper.






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Copyright © 2008 by the International Union of Microbiological Societies.