| Abstract |
A Gram-negative, orange-pigmented, rod-shaped bacterium, designated strain CP32(T) was isolated from a brown alga Carpopeltis affinis collected on the coast of Jeju Island, Republic of Korea. The isolate grew at 10-37°C (optimum 25°C) and at pH 6.5-9.5 (optimum pH 7.0). The 16S rRNA gene sequence of the isolate showed much similarity with the type strains of recognized species of the genus Winogradskyella (94.0-96.6%). The most closely related species were Winogradskyella echinorum KMM 6211(T), Winogradskyella ulvae KMM 6390(T), Winogradskyella thalassocola KMM 3907(T), Winogradskyella poriferorum UST030701-295(T), and Winogradskyella eximia KMM 3944(T). The major respiratory quinone was menaquinone-6 (MK-6) and the predominant cellular fatty acids were iso-C(15:1) G (24.8%), iso-C(15:0) (23.4%), and iso-C(17:0) 3-OH (11.6 %). The DNA G+C content was 33.3 mol%. The polar lipid profile was composed of phosphatidylethanolamine, two aminolipids, and five unknown lipids. On the basis of phenotypic features, and the result of 16S rRNA gene sequence analysis, strain CP32(T) (=KCTC 23835(T) =JCM 18454(T)) represents a novel species of the genus Winogradskyella, for which the name Winogradskyella jejuensis sp. nov. is proposed.
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