1887

Abstract

A novel strain, designated K23C18032701, was isolated from a sample of forest soil collected from Dinghushan Biosphere Reserve, Guangdong Province, PR China. The strain was Gram-stain-negative, aerobic, motile and showed a shape change from a filamentous cell to coccobacilli. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the novel strain belongs to the family Chitinophagaceae , and showed the highest similarities to Arvibacter flaviflagrans JCM 31293 (95.0 %) and Filimonas aurantiibacter LMG 29039 (94.4 %). The major cellular fatty acids included iso-C15 : 0, iso-C17 : 0 3-OH and iso-C15 : 1 G. The predominant polar lipid was phosphatidylethanolamine (PE). The predominant respiratory quinone was menaquinone-7. The major polyamine was sym-homospermidine. The draft genome size of strain K23C18032701 was 5.84 Mb with a DNA G+C content of 47.2 mol%. Based on phenotypic, genotypic and phylogenetic analysis, strain K23C18032701 represents a novel species of a new genus in the family Chitinophagaceae , for which the name Deminuibacter soli is proposed. The type strain is K23C18032701 (=GDMCC 1.1403=KCTC 62913). We also propose the reclassification of Filimonas aurantiibacter as Arvibacter aurantiibacter comb. nov. (type strain 1458=NRRL B-65305=LMG 29039).

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2019-04-01
2019-09-22
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