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Lysobacter spongiicola sp. nov., isolated from a deep-sea sponge

¹ Pacific Institute of Bioorganic Chemistry, Far-Eastern Branch, Russian Academy of Sciences, Prospect 100 Let Vladivostoku 159, 690022 Vladivostok, Russia
² Laboratory of Food Science and Technology, Department of Applied Biology and Chemistry, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
³ NODAI Culture Collection Center, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan

Correspondence
Lyudmila A. Romanenko
lro{at}piboc.dvo.ru

An aerobic, Gram-negative bacterium, strain KMM 329^T, was isolated from a deep-sea sponge specimen from the Philippine Sea and subjected to a polyphasic taxonomic investigation. Comparative 16S rRNA gene sequence analysis showed that strain KMM 329^T clustered with the species of the genus Lysobacter. The highest level of 16S rRNA gene sequence similarity (97.0 %) was found with respect to Lysobacter concretionis KCTC 12205^T; lower values (96.4–95.2 %) were obtained with respect to the other recognized Lysobacter species. The value for DNA–DNA relatedness between strain KMM 329^T and L. concretionis KCTC 12205^T was 47 %. Branched fatty acids 16 : 0 iso, 15 : 0 iso, 11 : 0 iso 3-OH and 17 : 1 iso were found to be predominant. Strain KMM 329^T had a DNA G+C content of 69.0 mol%. On the basis of the phenotypic, chemotaxonomic, DNA–DNA hybridization and phylogenetic data, strain KMM 329^T represents a novel species of the genus Lysobacter, for which the name Lysobacter spongiicola sp. nov. is proposed. The type strain is KMM 329^T (=NRIC 0728^T =JCM 14760^T).

TLCs of the polar lipids of strains KMM 329^T and L. concretionis KCTC 12205^T, a maximum-parsimony phylogenetic tree and a table comparing the cellular fatty acid compositions of KMM 329^T and Lysobacter species are available as supplementary material with the online version of this paper.