Hymenobacter telluris sp. nov., isolated from soil in South Korea

Two novel bacterial strains, designated as BT186 T and BT505, were isolated from a soil sample collected in South Korea and characterized. Both strains were Gram-stain-negative, rod-shaped, aerobic, circular, convex, and had red-colored colonies. The level of 16S rRNA gene sequence similarity between the strains BT186 T and BT505 was 100%, indicating that they represent an identical species. 16S rRNA sequence analysis indicated that strains BT186 T and BT505 belong to a distinct lineage within the genus Hymenobacter (family Hymenobacteraceae, order Cytophagales, class Cytophagia, phylum Bacteroidetes, Kingdom Bacteria). Both strains were closely related to Hymenobacter norwichensis DSM 15439 T (98.3% 16S rRNA gene similarity), Hymenobacter aquaticus JCM 31653 T (96.8%), and Hymenobacter perfusus LMG26000 T (96.5%). Strain BT186 T was found to have the MK-7 as the major respiratory quinone. The major polar lipid of strain BT186 T was identified to be phosphatidylethanolamine (PE). The major cellular fatty acid profiles of strain BT186 T were C 16:1 ω 5 c (24.3%), iso-C 15:0 (20.3%) and summed feature 3 (C 16:1 ω 6 c /C 16:1 ω 7 c ) (19.9%). Characterization based on polyphasic analysis indicated that strains BT186 T and BT505 represent novel species of the genus Hymenobacter and the name Hymenobacter telluris sp. nov. is proposed. The type strain of Hymenobacter telluris is BT186 T (= KCTC 72338 T = NBRC 114968 T ).