Lysobacter dokdonensis sp nov., isolated from soil

A Gram-negative, non-motile, rod-shaped bacterial strain, DS-58(T), was isolated from a soil sample from Dokdo, an island of Korea, and its taxonomic position was investigated. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain DS-58(T) fell within the family Xanthomonadaceae. The isolate showed 96.9% 16S rRNA gene sequence similarity with its closest phylogenetic neighbour, Lysobacter niastensis GH41-7(T), and 93.4-95.7% 16S rRNA gene sequence similarity with other members of the genus Lysobacter. Strain DS-58(T) contained Q-8 as the predominant ubiquinone and iso-C(16:0), iso-C(15:0) and iso-C(17:1)omega 9c as the major fatty acids. The DNA G+C content was 68.1 mol%. Strain DS-58(T) could be distinguished phenotypically from type strains of closely related species of the genus Lysobacter and phylogenetically from all members of the genus Lysobacter. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain DS-58(T) is considered to represent a novel species of the genus Lysobacter, for which the name Lysobacter dokdonensis sp. nov. is proposed. The type strain is DS-58(T) (=KCTC 12822(T) = DSM 17958(T)).