| Abstract |
A Gram-negative, non-motile, rod-shaped bacterial strain, designated GS13T, was isolated from sediments in a branch of the Nackdong River in Sangju, Korea. Optimal growth occurred at pH 7.0, 20 °C, and 0% NaCl. Phylogenetic analyses using 16S rRNA showed that strain GS13T is a member of the genus Flavobacterium, with highest similarity to Flavobacterium soyangense IMCC26223T (97.0%). The DNA G+C content of strain GS13T was 36.2 mol%. The dominant fatty acids were summed feature 3 (C16:1ω7c and/or C16:1ω6c) and iso-C15:0. The major polar lipids were phosphatidylethanolamine, three unidentified aminolipids, three unidentified lipids, and one unidentified aminophospholipid. The predominant respiratory quinone was MK-6. Our data demonstrate that strain GS13T can be distinguished from closely-related Flavobacterium species. Thus, strain GS13T is a novel Flavobacterium species, and we propose the name Flavobacterium nackdongense sp. nov. The type strain is GS13T (=KCTC 62569T = JCM 32765T).
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