Winogradskyella damuponensis sp. nov., isolated from seawater

Dong-Heon Lee, Sun Ja Cho, Suk Min Kim, Sun Bok Lee
International Journal of Systematic and Evolutionary Microbiology 2013, 63 (Pt 1): 321-6
A novel bacterium, designated F081-2(T), isolated from seawater from Damupo beach in Pohang, Korea, was investigated using a polyphasic taxonomic approach. Cells were yellow-pigmented, strictly aerobic, motile by gliding, Gram-negative-staining and rod-shaped. The temperature, pH and NaCl ranges for growth were 4-35 °C, pH 5.5-9.5 and 1.0-5.0 %, respectively. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain F081-2(T) belonged to a distinct lineage in the genus Winogradskyella of the family Flavobacteriaceae, sharing 93.7-98.1 % similarity with recognized members of the genus. Low levels of DNA-DNA relatedness values were found between strain F081-2(T) and Winogradskyella eximia KCTC 12219(T) (61.1 %), Winogradskyella thalassocola KCTC 12221(T) (47.0 %), Winogradskyella echinorum KCTC 22026(T) (39.3 %), Winogradskyella rapida CCUG 56098(T) (34.3 %) and Winogradskyella arenosi JCM 17633(T) (33.4 %). The major cellular fatty acids were iso-C(15 : 0) (25.3 %), iso-C(15 : 1) G (14.6 %), iso-C(17 : 0) 3-OH (9.3 %), anteiso-C(15 : 0) (7.8 %) and iso-C(15 : 0) 3-OH (7.6 %). The polar lipid profile was composed of phosphatidylethanolamine, one unidentified aminolipid, one unidentified phospholipid, one unidentified aminophospholipid and six unidentified lipids. The major respiratory quinone was menaquinone-6 and the DNA G+C content of the strain was 32.3 mol%. On the basis of phenotypic, phylogenetic and genotypic data, strain F081-2(T) represents a novel species within the genus Winogradskyella, for which the name Winogradskyella damuponensis sp. nov. is proposed. The type strain is F081-2(T) (=KCTC 23552(T) = JCM 17633(T)).

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