1887

Abstract

A Gram-stain-negative, aerobic, yellow-pigmented, non-flagellated, non-gliding, oxidase- and catalase-positive bacterium, designated CY01, was isolated from seawater of the Yellow Sea. CY01 grew at 15–37 °C (optimum, 30 °C), pH 5–8 (optimum, 6.5–7.5) and with 0.5–12 % (w/v) NaCl (optimum, 0.5–3.5 %). It could not produce flexirubin-type pigment or reduce nitrate to nitrite. CY01 showed the highest 16S rRNA gene sequence similarity to the type strain of (97.0 %) and clustered tightly with the species of the genus in the phylogenetic trees based on the 16S rRNA gene sequences. The major cellular fatty acids of CY01 were iso-C, iso-CG and iso-C 3-OH and the major respiratory quinone was menaquinone MK-6. Polar lipids included phosphatidylethanolamine (PE), four unidentified lipids and one unidentified aminolipid. The genomic DNA G+C content was 38.2 mol%. Based on the results of the polyphasic characterization of CY01, it represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is CY01 (=CCTCC AB 2014348=KCTC 42440).

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2017-04-01
2024-03-29
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