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A Gram-negative, aerobic, yellow-pigmented, non-spore-forming, motile, rod-shaped bacterium, designated strain Gsoil 3046T, was isolated from soil from a ginseng field in Pocheon Province, South Korea, and was characterized taxonomically by using a polyphasic approach. A comparative analysis of 16S rRNA gene sequences revealed that strain Gsoil 3046T belongs to the family Xanthomonadaceae in the Gammaproteobacteria. The greatest sequence similarity was found with respect to Dyella koreensis KCTC 12359T (97.7 %), Dyella japonica IAM 15069T (97.4 %), Frateuria aurantia DSM 6220T (96.7 %), Fulvimonas soli LMG 19981T (96.2 %) and Luteibacter rhizovicinus DSM 16549T (96.0 %). The phylogenetic distances from other recognized species within the family Xanthomonadaceae, including Dyella yeojuensis KACC 11405T, were greater than 4.0 % (i.e. the sequence similarities were less than 96.0 %). DNA–DNA hybridization experiments showed that the levels of DNA–DNA relatedness between strain Gsoil 3046T and its phylogenetically closest neighbours were below 25 %. The G+C content of the genomic DNA was 66.6 mol%. In addition, the presence of ubiquinone Q-8 as the predominant respiratory quinone, iso-C17 : 1 ω9c, iso-C16 : 0, iso-C15 : 0 and iso-C17 : 0 as the major cellular fatty acids and iso-C13 : 0 3-OH and iso-C11 : 0 3-OH as the major hydroxy fatty acids supported the affiliation of strain Gsoil 3046T to the genus Dyella. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain Gsoil 3046T represents a novel species in the genus Dyella, for which the name Dyella ginsengisoli sp. nov. is proposed. The type strain is Gsoil 3046T (=KCTC 12599T=DSM 18387T).
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