Abstract
A novel bacterium, designated HME9613T, was isolated from seawater of the Yellow Sea in the Republic of Korea. Cells of strain HME9613T were Gram-stain-negative, aerobic, motile by gliding and rod-shaped. Strain HME9613T grew optimally at 25 °C, at pH 7 and in the presence of 3 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain HME9613T formed a lineage within the genus Winogradskyella of the family Flavobacteriaceae, and showed highest sequence similarity to Winogardskyella exilis 022-2-26T (95.9 %). The 16S rRNA gene sequence similarity between strain HME9613T and other Winogradskyella species ranged from 93.7 to 95.9 %. The major fatty acids were iso-C15 : 1 G, summed feature 3 (C16 : 1ω7c and/or C16 : 1ω6c) and iso-C15 : 0. The polar lipid profile consisted of phosphatidylethanolamine, two unidentified aminolipids and two unidentified lipids. The predominant respiratory quinone was menaquinone-6 (MK-6). The DNA G+C content of the strain HME9613T was 38.4 mol%. On the basis of phenotypic, chemotaxonomic, phylogenetic and genotypic data, strain HME9613T represents a novel species within the genus Winogradskyella, for which the name Winogradskyella maritima sp. nov. is proposed. The type strain is HME9613T (=KCTC 42189T=CECT 8979T).
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