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Two novel strains isolated from soils, JS12-10T and JS14-6T, were characterized using a polyphasic approach to determine their taxonomic positions. These isolates were found to be aerobic, Gram-negative, motile with one polar flagellum, non-spore-forming and rod-shaped. Phenotypic and fatty acid data supported the affiliation of JS12-10T and JS14-6T to the genus Dyella. However, chemotaxonomic data and DNA–DNA relatedness values allowed differentiation of these strains from other Dyella species with validly published names. Strains JS12-10T and JS14-6T showed the highest 16S rRNA gene sequence similarities with Dyella ginsengisoli Gsoil 3046T (98.4 %) and Dyella japonica XD53T (97.9 %), respectively, and the 16S rRNA gene sequence similarity between them was 97.1 %. DNA–DNA hybridization values between the novel isolates and strains of other recognized Dyella species were 29–38 %. Therefore, strains JS12-10T and JS14-6T represent two novel species of the genus Dyella, for which the names Dyella soli sp. nov. (type strain JS12-10T =KACC 12747T =JCM 15423T) and Dyella terrae sp. nov. (type strain JS14-6T =KACC 12748T =JCM 15424T) are proposed.
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International Journal of Systematic and Evolutionary Microbiology vol. 59 , part 7, pp. 1685 - 1690
Supplementary Fig. S1. Maximum-likelihood and maximum-parsimony trees based on almost-complete 16S rRNA gene sequences showing the phylogenetic position of strains JS12-10 Tand JS14-6 T. [PDF](28 KB)