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Idiomarina seosinensis sp. nov., isolated from hypersaline water of a solar saltern in Korea

Research Institute of Oceanography and School of Earth and Environmental Sciences, Seoul National University, 56-1 Shillim-dong, Kwanak-gu, Seoul 151-742, Republic of Korea

Correspondence
Byung Cheol Cho
bccho{at}plaza.snu.ac.kr

A halophilic -proteobacterium, designated CL-SP19^T, was isolated from hypersaline water from a solar saltern located in Seosin, Korea. Analysis of the 16S rRNA gene sequence revealed an affiliation with the genus Idiomarina. The sequence similarities between CL-SP19^T and type strains of the genus Idiomarina ranged from 95·9 to 96·9 %. Cells were straight or slightly curved rods and were motile by means of a single polar flagellum. The major fatty acids were C_{15 : 0} iso (17·1 %) and C_{17 : 0} iso (15·2 %). Three fatty acids, C_{19 : 0}8c cyclo (3·5 %), C_{14 : 1}5c (1·4 %) and C_{18 : 3}6c (1·2 %), were found in minor quantities, but uniquely in CL-SP19^T among Idiomarina species. The DNA G+C content was 45·0 mol%. On the basis of its physiology, fatty acid composition and 16S rRNA gene sequence, strain CL-SP19^T could be assigned to the genus Idiomarina but distinguished from the recognized species of the genus. Strain CL-SP19^T, therefore, represents a novel species, for which the name Idiomarina seosinensis sp. nov. is proposed, with CL-SP19^T (=KCTC 12296^T=JCM 12526^T) as the type strain.

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain CL-SP19^T is AY635468.

Additional phenotypic data are available as supplementary material in IJSEM Online.

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