An orange-coloured bacterium, CCBAU 05354T, was isolated from the soybean rhizosphere following growth on NA medium. The sample was taken from a field in Hebei province, People's Republic of China. The cells were aerobic, Gram-stain-negative, short rods (0.4–0.6×0.7–1.7 μm) and non-motile. Growth occurred at 28 °C (not at 10 or 37 °C), pH 6.0–10.0, and in the presence of 0–1 % NaCl (w/v). Flexirubin pigment was produced and the cells were resistant to some antibiotics. A phylogenetic analysis based on 16S rRNA gene sequences indicated that strain CCBAU 05354T was closely related to Niabella soli KACC 12604T (95.1 % sequence similarity). The predominant cellular fatty acids were iso-C15 : 0, iso-C15 : 1 G, iso-C17 : 0 3-OH and summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c). The DNA G+C content was 42 mol%. On the basis of the phylogenetic, phenotypic and chemotaxonomic data, strain CCBAU 05354T represents a novel species of the genus Niabella, for which the name Niabella yanshanensis sp. nov. is proposed. The type strain is CCBAU 05354T (=LMG 24661T =HAMBI 3031T).
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