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Abstract
A dark yellow-coloured bacterium, JS13-8T, was isolated from a soil sample from Jeju Island, Republic of Korea. The cells were aerobic, Gram-negative, non-motile, short rods (0.5–0.7×0.8–1.4 μm). Growth occurred at 15–35 °C (optimally at 30 °C), at pH 5.0–8.0 (optimally at pH 6.0–7.0) and at 0–1 % NaCl (w/v). Flexirubin pigment was produced. A phylogenetic analysis based on 16S rRNA gene sequences revealed that strain JS13-8T was closely related to Niabella aurantiaca KACC 11698T (95.0 % sequence similarity). The major respiratory quinone system was MK-7 and the predominant cellular fatty acids were iso-C15 : 0, iso-C15 : 1 G, iso-C17 : 0 3-OH and summed feature 3. The DNA G+C content was 45 mol%. On the basis of the phylogenetic, physiological and chemotaxonomic data, strain JS13-8T represents a novel species of the genus Niabella, for which the name Niabella soli sp. nov. is proposed. The type strain is strain JS13-8T (=KACC 12604T=DSM 19437T).
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