Abstract
A novel Gram-stain-negative, aerobic, rod-shaped, non-flagellated and non-gliding bacterium, designated FA042T, was isolated from a marine sediment sample collected from the coast of Weihai, China (37° 32' 02″ N 122° 03' 44″ E). Optimal growth occurred at 33 °C, pH 7.0-7.5 and in the presence of 2-3 % (w/v) NaCl. Phylogenetic analysis based on the 16S rRNA gene sequence showed that strain FA042T belonged to the genus Hyunsoonleella. The closest described neighbour, in terms of 16S rRNA gene sequence identity, was Hyunsoonleella jejuensis (95.0 %). The major fatty acids were iso-C15 : 0, iso-C15 : 1 G, C15 : 0, iso-C17 : 0 3-OH and iso-C15 : 0 3-OH. The major respiratory quinone was MK-6. The major polar lipids of strain FA042T were phosphatidylethanolamine, three unidentified lipids and two unidentified aminolipids. The DNA G+C content was 38.5 mol%. Based on its phylogenetic and phenotypic characteristics, strain FA042T is presented as a representative of a novel species, for which the name Hyunsoonleella rubra sp. nov. is proposed. The type strain of Hyunsoonleella rubra sp. nov. is FA042T (=KCTC 42398T=MCCC 1H00110T).
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