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Updated: Jan 1, 2026

Isolation and Identification of Bacterial Strains from Skin of Terrestrial Amphibians
Published on: June 17, 2025
Salinibius halmophilus gen. nov., sp. nov., isolated from a marine solar saltern
Si-Kai Ling1,2, Hui Zhang1,2, Nan-Nan Wang1,2
1Marine College, Shandong University, Weihai, 264209, PR China.
Abstract:
A novel Gram-stain-negative, facultatively anaerobic, flagellated and spiral-shaped bacterium, designated WDS2A16AT was isolated from a marine solar saltern in Weihai, PR China. Growth was observed at 20-40 °C (optimal 33-37 °C), 1-15 % (w/v) NaCl (optimal 3-4 %) and pH 6.0-9.0 (optimal pH 7.5). Major cellular fatty acids (>10 %) were C18 : 1ω7c and C16 : 0. Phosphatidylglycerol, diphosphatidylglycerol and an unidentified glycolipid were detected as the predominant polar lipids. The sole respiratory quinone was Q-8. The DNA G+C content of strain WDS2A16AT was 48.5 mol%. The 16S rRNA gene sequence similarities of WDS2A16AT with other species were less than 91 %. The average nucleotide identity, in silico DNA-DNA hybridization and amino acid identity of strain WDS2A16AT with the most related strain Gynuella sunshinyii YC6258 T were 66.1, 19.3 and 48.1 %, respectively. Comparative analysis of 16S rRNA gene sequences and phenotypic characterization indicated that strain WDS2A16AT represents a novel species in a new genus, for which the name Salinibius halmophilus gen. nov., sp. nov. is proposed. The type strain is WDS2A16AT (=KCTC 52225T=MCCC 1H00139T).
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