1887

Abstract

A Gram-negative, motile, slightly halophilic bacterial strain, SW-150, was isolated from sea water of the Yellow Sea, Korea, and was characterized by a polyphasic taxonomic approach. Strain SW-150 grew optimally at 25–30 °C and in the presence of 2 % (w/v) NaCl. The isolate could be distinguished from other species in producing an orange pigment. It contained ubiquinone-10 as the predominant respiratory lipoquinone and C 7 and C 6 as the major fatty acids. No 3-hydroxy fatty acids were detected. Major polar lipids were sphingoglycolipid, diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The DNA G+C content was 63 mol%. Comparative 16S rRNA gene sequence analyses showed that strain SW-150 was phylogenetically affiliated to the genus of the family . Similarity values between the 16S rRNA gene sequences of strain SW-150 and the type strains of species ranged from 91·6 to 94·2 %, making it possible to categorize strain SW-150 as a species that is separate from previously described species. On the basis of phenotypic properties and phylogenetic distinctiveness, SW-150 (=KCTC 12231=DSM 16222) should be classified as the type strain of a novel species, for which the name sp. nov. is proposed.

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2005-05-01
2020-01-17
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vol. , part 3, pp. 1223 - 1227

Neighbour-joining tree showing the phylogenetic position of strain SW-150 and representatives of some related taxa, from which Fig. 1 was taken. [PDF](21 KB)



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