A Gram-stain-negative, non-flagellated, non-gliding, aerobic, rod-shaped bacterium, designated WD-2-2T, was isolated from a tidal flat of Wando, an island of South Korea, and subjected to a polyphasic taxonomic analysis. Strain WD-2-2T grew optimally at 30 °C, at pH 7.0–8.0 and in the presence of 2.0 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain WD-2-2T belonged to the genus Winogradskyella, clustering coherently with the type strain of Winogradskyella litorisediminis. Strain WD-2-2T exhibited 16S rRNA gene sequence similarity of 97.4 % to W. litorisediminis DPS-8T and 94.5–96.6 % to the type strains of the other species of the genus Winogradskyella. Strain WD-2-2T contained MK-6 as the predominant menaquinone and iso-C15 : 1 G, iso-C17 : 0 3-OH and iso-C15 : 0 as the major fatty acids. The major polar lipids detected in strain WD-2-2T were phosphatidylethanolamine, one unidentified lipid and one unidentified aminolipid. The DNA G+C content was 36.4 mol%, and DNA–DNA relatedness with W. litorisediminis DPS-8T was 13 %. Differential phenotypic properties, together with its phylogenetic and genetic distinctiveness, revealed that strain WD-2-2T is separate from recognized species of the genus Winogradskyella. On the basis of the data presented, strain WD-2-2T is considered to represent a novel species of the genus Winogradskyella, for which the name Winogradskyella wandonensis sp. nov. is proposed. The type strain is WD-2-2T ( = KCTC 32579T = CECT 8445T).
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Funding
This study was supported by the:
Program for Collection, Management and Utilization of Biological Resources from the Ministry of Science, ICT & Future Planning (MSIP) of the Republic of Korea
(Award NRF-2013M3A9A5075953)
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