4.4 Article

Rhodohalobacter sulfatireducens sp. nov., isolated from a marine solar saltern

期刊

ARCHIVES OF MICROBIOLOGY
卷 204, 期 8, 页码 -

出版社

SPRINGER
DOI: 10.1007/s00203-022-03078-3

关键词

Rhodohalobacter; Rhodohalobacter sulfatireducens; 16S rRNA gene; Phylogenetic analysis; Novel species

资金

  1. National Natural Science Foundation of China [32070002]
  2. National Science and Technology Fundamental Resources Investigation Program of China [2019FY100700]

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A novel bacterium strain WB101(T) was isolated from a marine solar saltern in Wendeng, PR China. It belongs to the genus Rhodohalobacter and represents a new species named Rhodohalobacter sulfatireducens sp. nov.
A novel Gram-stain-negative, oxidase-positive, catalase-positive, non-motile, facultatively anaerobic, rod-shaped bacterium, designated WB101(T), was isolated from a marine solar saltern located in Wendeng, PR China. Strain WB101(T) shared a high level of 16S rRNA gene sequence similarity with Rhodohalobacter barkolensis 15182(T) (93.5%), R. halophilus JZ3C29(T) (93.2%), and 'R. mucosus' 8A47(T) (92.1%). Strain WB101(T) formed a species-level branch within the genus Rhodohalobacter in both phylogenetic and phylogenomic topologies. The DNA G + C content was 42.0%. Strain WB101(T) was found to have menaquinone-7 as the only respiratory quinone. The dominant cellular fatty acid (>= 10%) was iso-C-15:0. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, and phosphatidylcholine. Characterisation based on phylogenetic, physiological, and biochemical properties indicated that strain WB101(T) represents a novel species of the genus Rhodohalobacter, and the name Rhodohalobacter sulfatireducens sp. nov. is proposed. The type strain is WB101(T) (= KCTC 92204(T) = MCCC 1H00518(T)).

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