Seongchinamella unica gen. nov., sp. nov., isolated from a tidal mudflat of beach, and transfer of Halioglobus sediminis to Seongchinamella sediminis comb. nov. and Halioglobus lutimaris to Pseudohalioglobus gen. nov. as Pseudohalioglobus lutimaris comb. nov.
A Gram-reaction-negative, motile by gliding, rod-shaped bacterium, designated strain GH4-78T, was isolated from the tidal mudflat of a beach in the Republic of Korea. Cells were aerobic, catalase-positive, oxidase-negative and produced cream-coloured colonies. Q-8 was the only isoprenoid quinone. The major fatty acids were summed feature 8 (C18 : 1 ω7c and/or C18 : 1 ω6c), summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7c) and C16 : 0. The major polar lipids are phosphatidylethanolamine and phosphatidylglycerol. Results of phylogenetic analyses based on 16S rRNA gene sequences revealed that strain GH4-78T formed a distinct lineage with Halioglobus sediminis (98.2 % sequence similarity). The DNA G+C content was 59.9 mol%. The average nucleotide identity value with the closest relative was 82.90 %. On the basis of the results from phenotypic, chemotaxonomic, phylogenetic and phylogenomic analyses, strain GH4-78T (=KCTC 62383T=DSM 106349T) represents a novel species of a new genus in the family Halieaceae, for which the name Seongchinamella unica gen. nov., sp. nov. is proposed. Moreover, the transfers of Halioglobus sediminis Han et al. 2019 to Seongchinamella sediminis comb. nov. and Halioglobus lutimaris Shi et al. 2018 to Pseudohalioglobus gen. nov. as Pseudohalioglobus lutimaris comb. nov. are also proposed, with the emended description of the genus Halioglobus.
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Seongchinamella unica gen. nov., sp. nov., isolated from a tidal mudflat of beach, and transfer of Halioglobus sediminis to Seongchinamella sediminis comb. nov. and Halioglobus lutimaris to Pseudohalioglobus gen. nov. as Pseudohalioglobus lutimaris comb. nov.