Abstract
A Gram-stain-negative, obligately anaerobic, non-motile, non-spore-forming, long-rod-shaped and non-flagellated bacterial strain, designated T3-2 S1-CT, was isolated from a sediment sample collected at the Okinawa Trough. Phylogenetic analyses of 16S rRNA gene sequences and the whole genome revealed that strain T3-2 S1-CT was a member of the family Marinifilaceae and exhibited less than 95.1 % sequence similarities to the closely related type strains of the family Marinifilaceae. Optimal growth occurred at pH 7.0, 28 °C and in the presence of 3 % (w/v) NaCl. The isoprenoid quinone of strain T3-2 S1-CT was identified as menaquinone-7 (MK-7) and the predominant fatty acids (>10 %) were iso-C15 : 0 (38.9 %) and anteiso-C15 : 0 (11.6 %). The major polar lipids were one phosphatidylethanolamine, one phosphatidylmonomethylethanolamine, one aminolipids, two unidentified lipids and two unidentified phospholipids. The DNA G+C content of strain T3-2 S1-CT was 35.7 mol%. On the basis of the results of polyphasic analyses, strain T3-2 S1-CT is considered to represent a novel species of the genus Ancylomarina, for which the name Ancylomarina longa sp. nov. is proposed. The type strain is T3-2 S1-CT (=KCTC 15505T=MCCC 1K01617T).
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