Proposal of Vibrionimonas magnilacihabitans gen. nov., sp nov., a curved Gram-stain-negative bacterium isolated from lake water

A mesophilic bacterium appearing as curved rod-shaped cells was isolated from Lake Michigan water. It exhibited highest similarities with Sediminibacterium ginsengisoli DCY13(T) (94.4 %); Sediminibacterium salmoneum NJ-44(T) (93.6%) and Hydrotalea flava CCUG 51397(T) (93.1 WO) while similarities with other recognized species were <92.0%. The primary polar lipid was phosphatidylethanolamine, with moderate amounts of two unidentified glycolipids, three unknown polar lipids, one unknown aminophospholipid and one aminolipid. The primary respiratory quinone was MK-7 and sym-homospermidine was the primary polyamine. The major cellular fatty acids were iso-C(15:1)G, iso-C-15:0, iso-C-16:0 3-OH and iso-C-17:0 3-OH, with moderate amounts of iso-C-16:0. The presence of glycolipids differentiated the novel strains from related genera. The DNA mol% G+C content of the type strain MU-2(T) was 45.2. Results for other phenotypic and molecular analyses indicated that strain MU-2(T) is a representative of a novel genus and species for which the name Vibrionimonas magnilacihabitans is proposed. The type strain is MU-2(T) (=NRRL B-59231=DSM 22423).