A Gram-negative-staining bacterium, designated strain 25B, was isolated from a soil sample from a rice field in Guangxi Province, China, and its taxonomic position was investigated by using a polyphasic approach. Cells were rod-shaped, non-spore-forming, non-motile and strictly aerobic. Strain 25B grew optimally at 37 °C and pH 7.0. The predominant fatty acids of this soil isolate were C 7, C cyclo 8 and C. Phylogenetic analysis based on the almost-complete 16S rRNA gene sequence showed that strain 25B formed a monophyletic clade with the type strain of ; the two organisms shared 97.2 % 16S rRNA gene sequence similarity. However, the two strains shared low DNA–DNA relatedness. Strain 25B was also readily distinguishable from DSM 14364 by various phenotypic characteristics. The combination of genotypic and phenotypic data suggests that the isolate represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 25B (=CGMCC 1.7666=JCM 15710).


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vol. , part 8, pp. 1997 - 2001

Fatty acid contents of strain 25B ( sp. nov.) and the type strain of . [PDF](21 KB)

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