1887

Abstract

A Gram-stain-negative, strictly aerobic bacterial strain, designated R29, was isolated from orchard soil in Hwasun, South Korea. Cells were non-motile rods with catalase and oxidase activities. Growth was observed at 15–40 °C (optimum, 30 °C) and pH 7.0–9.0. Ubiquinone-8 was identified as the predominant isoprenoid quinone. Major polar lipids consisted of phosphatidylethanolamine, six phospholipids, an unidentified aminolipid and two unidentified polar lipids. Strain R29 contained iso-C, iso-C and summed feature 9 (comprising iso-C 9/10-methyl-C) as major cellular fatty acids. The G+C content of the genomic DNA calculated from the whole-genome sequence was 69.8 mol%. Phylogenetic analyses based on 16S rRNA gene sequences indicated that R29 was most closely related to T7-07 and CC-JY-1 with sequence similarities of 98.0 and 96.9 %, respectively The average nucleotide identity and DNA–DNA hybridization values between R29 and the type strains of and were 87.0 % and 31.6 % and 83.4 % and 26.1 %, respectively. On the basis of the phenotypic, chemotaxonomic and molecular features, strain R29 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is R29 (=KACC 19896=JCM 33216).

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2020-02-03
2021-10-23
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