1887

Abstract

A Gram-staining-negative, long rod-shaped, non-motile, strictly aerobic bacterial strain, designated H19-56, was isolated from a surface marine snow sample collected from the Yellow Sea near China. Phylogenetic analysis based on 16S rRNA gene sequences indicated that H19-56 represented a member of the genus Muricauda and showed the highest sequence similarity to Muricauda ruestringensis B1 (96.9 %). H19-56 grew optimally at pH 8.0, 32 °C and in the presence of 3 % (w/v) NaCl. The DNA G+C content was 43.6 mol%. H19-56 contained MK-6 as the predominant respiratory quinone and had iso-C15 : 0 and iso-C15 : 1G as the major cellular fatty acids. The major polar lipids were phosphatidylethanolamine, two unidentified aminolipids and three unidentified lipids. On the basis of the results of the polyphasic analyses, this isolate was considered to represent a novel species of the genus Muricauda , for which the name Muricauda marina sp. nov. is proposed. The type strain is H19-56 (CGMCC 1.15774=JCM 31456=MCCC 1K03196=KCTC 52374).

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2017-07-26
2019-08-19
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