sp. nov., isolated from a tidal flat in the Republic of Korea.

A yellowish-brown-coloured bacterium, designated strain JGD-17, was isolated from a tidal flat of Janggu-do, Garorim bay, Taean-gun, Chungcheongbuk-do, Republic of Korea. Cells were Gram-stain-negative, aerobic, non-flagellated and long-rod-shaped. Growth was observed at 20-45 °C (optimum, 25-30 °C), at pH 6.0-10.0 (9.0) and with 1-5 % (w/v) NaCl (1-3 %). Results of 16S rRNA gene sequence analysis indicated that strain JGD-17 was closely related to SM1704 (96.1 %), CL-SS4 (95.0 %), BB-My12 (94.9 %), H19-56 (94.7 %) and 3PC125-7 (94.5 %). The ranges of values for the average nucleotide identity and digital DNA-DNA hybridization analyses with related strains were 71.3-74.1 % and 16.9-18.2 %. The genomic DNA G+C content was 41.1 mol%. Phylogenetic analysis using the neighbour-joining method showed that strain JGD-17 formed a clade with SM1704, CC-HSB-11, CSW06 and SM027. The major fatty acids were iso-C (26.9 %), iso-C G (19.5 %) and iso-C 3-OH (12.7 %). The predominant respiratory quinone was menaquinone-6. The polar lipids were phosphatidylethanolamine, an unidentified aminolipid, an unidentified phospholipid and two unidentified lipids. On the basis of phylogenetic, phenotypic and chemotaxonomic characteristics, strain JGD-17 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is JGD-17 (=KCTC 72732=KACC 21486=JCM 33817).