A Gram-stain-negative, strictly aerobic and rod-shaped motile bacterium with peritrichous flagella, designated strain LZB041(T), was isolated from offshore surface seawater of the East China Sea. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain LZB041(T) formed a lineage within the family ' Aurantimonadaceae' that was distinct from the most closely related genera Aurantimonas (96.0-96.4% 16S rRNA gene sequence similarity) and Aureimonas (94.5-96.0%). Optimal growth occurred in the presence of 1-7% (w/v) NaCl, at pH 7.0-8.0 and at 28-37 °C. Ubiquinone-10 was the predominant respiratory quinone. The major fatty acids (>10% of total fatty acids) were C(18 : 1)ω7c and/or C(18 : 1)ω6c (summed feature 8) and cyclo-C(19 : 0)ω8c. The major polar lipids were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylmonomethylethanolamine, one unknown aminolipid, one unknown phospholipid and one unknown polar lipid. The DNA G+C content of strain LZB041(T) was 71.3 mol%. On the basis of polyphasic analysis, strain LZB041(T) is considered to represent a novel species of a new genus in the class Alphaproteobacteria , for which the name Jiella aquimaris gen. nov., sp. nov. is proposed. The type strain of the type species is LZB041(T) ( = JCM 30119(T) = MCCC 1K00255(T)).
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