1887

Abstract

A Gram-stain-negative, single polar flagellum bacterium, WZY27, was isolated from rhizospheric soil of plants. The results of phylogenetic analysis based on 16S rRNA gene sequences showed that this strain is closely related to DSM 7418 (97.2 % similarity), KCTC 2883 (97.1 %) and JCM 17074 (97.0 %). The genomic average nucleotide identity values between strain WZY27 and the above three strains were 75.3, 73.2 and 75.4 %, and the DNA–DNA hybridization values were 19.1 , 20.1 and 20.9 %, respectively. The major fatty acids (>5 %) of strain WZY27 were summed feature 8 (C 7/C 6), C, C 2-OH and C 7 11-methyl. The predominant respiratory quinone and polyamine were ubiquinone Q-10 and homospermidine, respectively. The polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phospholipids, glycolipids, phosphatidylcholine and sphingoglycolipid. The G+C content of the genomic DNA was 68.4 mol%. Based on the results of genotypic, chemotaxonomic and phenotypic characterization, strain WZY27 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is WZY27 (=KCTC 62523=CCTCC AB 2018056).

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2019-10-01
2019-10-22
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