AI Article Synopsis
- A new Gram-stain-negative bacterium, strain CBS1P-1, was isolated from bark, showing optimal growth in 5.0% NaCl at a pH of 6.0-9.0 and temperatures of 25-37 °C.
- The bacterium's unique chemotaxonomic features include ubiquinone-10 as its respiratory quinone and specific lipids and fatty acids, indicating its distinct biochemical profile.
- Phylogenetic analysis reveals that strain CBS1P-1 is closely related to CGMCC 1.12662, leading researchers to propose it as a new species in the genus, with the type strain designated as CBS1P-1.
Article Abstract
A Gram-stain-negative, aerobic, short-rod-shaped bacterium, designated strain CBS1P-1, was isolated from a surface-sterilized bark of . Growth of strain CBS1P-1 was observed with between 0 and 12.0 % (w/v) NaCl (optimally with 5.0 %) and at between pH 6.0-9.0. It grew at temperatures between 25-37 °C (optimum, 30 °C). Chemotaxonomic analysis showed that ubiquinone-10 was the respiratory quinone. The lipids comprised diphosphatidylglycerol, phosphatidylglycerol, an unidentified glycolipid, an unidentified phospholipid and an unidentified aminolipid. The major fatty acids of strain CBS1P-1 were C 7, C and C cyclo 8. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain CBS1P-1 was most related to CGMCC 1.12662 with a sequence similarity of 96.5 %. The average nucleotide identity and digital DNA-DNA hybridization values between strain CBS1P-1 and 1.12662 were 77.5 and 21.1 %, respectively. The G+C content of the genomic DNA was 67.3 mol%. Based on phylogenetic, chemotaxonomic and phenotypic data, strain CBS1P-1 is considered to represent a novel species of the genus , for which the name is proposed. The type strain is CBS1P-1 (=KCTC 62836=CGMCC 1.13743).
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