Four bacterial strains, 04HE-4-40, A4I-9, A4I-21 and AK15-027, were isolated from Heita Bay off Kamaishi in Japan. Based on 16S rRNA gene sequence analysis, the isolates were placed as a new lineage within the genus . The 16S rRNA gene sequence similarity values between the isolates and type strains of recognized species were less than 97 %. The DNA G+C contents of the isolates were about 38 mol%. The major respiratory quinone was Q-8, and the predominant cellular fatty acids were 16 : 17 and 16 : 0. The isolates were able to grow at 30 °C, unlike other species. Based on the results of the phylogenetic analysis and phenotypic characteristics and DNA–DNA hybridization data, the isolates represent a novel species, for which the name sp. nov. is proposed. The type strain is AK15-027 (=MBIC 06898=NCIMB 14416).


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