1887

Abstract

A Gram-stain-negative, facultatively aerobic bacterium, designated strain D1, was isolated from soil in South Korea. Cells of strain D1 were non-motile rods with oxidase- and catalase-positive activities. Growth was observed at 15–40 °C (optimum, 30–37 °C), at pH 5.5–9.0 (optimum, pH 7.0–8.0) and in the presence of 0.0–5.0 % (w/v) NaCl (optimum, 0.0–1.0 %). The only respiratory quinone detected was menaquinone 7 (MK-7), and iso-C, iso-C 3-OH and summed feature 3 (comprising Cω7c/C ω6) were identified as the major fatty acids. Phosphatidylethanolamine was the major polar lipid, and two unidentified glycophospholipids and four unidentified lipids were also detected as minor polar lipids. Sphingolipids, a typical chemotaxonomic feature of the genus , were detected. The G+C content of the genomic DNA was 43.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain D1 formed a phyletic lineage with XH4 within the genus . Strain D1 was most closely related to XH4 (98.1 % 16S rRNA gene sequence similarity) and R-53603 (97.2 %), and the DNA–DNA relatedness level between strain D1 and the type strain of was 43.1±0.7 %. Based on the phenotypic, chemotaxonomic and molecular features, strain D1 clearly represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is D1 (=KACC 18595=JCM 31225).

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2017-11-01
2024-03-28
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