A Gram-stain-negative, strictly aerobic, yellow-colored, rod-shaped, chemoheterotrophic bacterium, designated SNA426T, was isolated from marine soil in the Republic of Korea. Preliminary analysis based on the 16S rRNA gene sequence revealed that the novel marine isolate was affiliated with the family Flavobacteriaceae of phylum Bacteroidetes and that it shared the highest (96.2%) sequence similarity with Gillisia mitskevichiae KMM 6034T. The strain could be differentiated phenotypically from related members of the family Flavobacteriaceae. The major fatty acids of strain SNA426T were iso-C15:0, C16:1 ω7c and/or C16:1 ω6c and iso-C17:0 3-OH. The DNA G+C content of the strain was 39.6 mol% and the major respiratory quinone was menaquinone 6 (MK-6). Strain SNA426T had phosphatidylethanolamine, phosphatidylcholine, three unidentified aminolipids and nine unidentified lipids as polar lipids. From the distinct phylogenetic position and combination of genotypic and phenotypic characteristics, the strain is considered to represent a novel genus in the family Flavobacteriaceae, for which the name Citreibacter gen. nov. is proposed. The type species is Citreibacter salsisoli sp. nov., with the type strain SNA426T (= KCCM 90269T = CGMCC 1.16129T).
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- 16S rRNA gene
- Citreibacter salsisoli gen. nov., sp. nov
- Marine soil
- Polyphasic taxonomy