Abstract

A Gram-stain-negative, strictly aerobic, non-flagellated, non-gliding, catalase-positive, long-rod-shaped bacterium designated strain CSW06T, was isolated from surface seawater of the Bohai Sea. Optimal growth occurred in the presence of 4 % (w/v) NaCl, at pH 7 and at 28 °C. The predominant fatty acids (>10 % of total fatty acids) were iso-C15 : 1G, iso-C17 : 0 3-OH and summed feature 3 (iso-C15 : 0 2-OH and/or C16 : 1ω7c). The major polar lipids were phosphatidylethanolamine, two unidentified phospholipids and one unidentified aminolipid. The DNA G+C content of CSW06T was 50.3 mol%. The predominant isoprenoid quinone detected was menaquinone with six isoprene units (MK-6). On the basis of the results of polyphasic analyses, CSW06T was considered to represent a novel species of the genus Muricauda in the family Flavobacteriaceae, for which the name Muricauda lutea sp. nov. is proposed. The type strain is CSW06T (=CGMCC 1.15761T=JCM 31455T=KCTC 52375T=MCCC 1K03195T).

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