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Salinimonas chungwhensis gen. nov., sp. nov., a moderately halophilic bacterium from a solar saltern in Korea

Korea Research Institute of Bioscience and Biotechnology, 52 Oeundong, Yusong, Daejeon 305-333, Republic of Korea

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

A halophilic non-spore-forming bacterium of the -Proteobacteria, designated strain BH030046^T, was isolated from a solar saltern in Korea. Cells were Gram-negative, chemoheterotrophic, short rod-shaped and motile with a polar flagellum. Comparative 16S rRNA gene sequence analysis revealed that strain BH030046^T formed a distinct lineage in the family Alteromonadaceae and was distinguished from its closest related genera Alteromonas (91·4–94·8 %), Aestuariibacter (92·1–93·5 %) and Glaciecola (92·1–93·5 %) on the basis of low 16S rRNA gene sequence similarities. Physiological and biochemical data also showed that the isolate was different from members of these three genera. The predominant cellular fatty acids were C_{16 : 0} and C_{18 : 1}7c. DNA G+C content was 48 mol% and the major isoprenoid quinone was Q-8. The strain grew optimally at 30–35 °C, pH 7·0–8·0 and 2–5 % NaCl. On the basis of physiological and molecular properties, strain BH030046^T (=KCTC 12239^T=DSM 16280^T) represents a novel genus and species in the family Alteromonadaceae, for which the name Salinimonas chungwhensis gen. nov., sp. nov. is proposed.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain BH030046^T is AY553295.

A transmission electron micrograph of the general morphology of a cell of strain BH030046^T, a maximum-likelihood tree of the phylogenetic relationships of the strain and related taxa and a table detailing its fatty acid composition are available as supplementary material in IJSEM Online.

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