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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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