1887

Abstract

During a study of the bacterial community in forest soil of Kyonggi University, Suwon, South Korea, a glistening yellow-pigmented, Gram-stain-negative, aerobic, motile and rod-shaped bacterium, designated strain C-1-16, was isolated. This strain was non-sporulating, catalase-negative and oxidase-positive. It was able to grow at 20–42 °C, at pH 6.0–9.0 and with 0–0.5 % (w/v) NaCl. This strain was taxonomically characterized by a polyphasic approach. Based on the results of 16S rRNA gene sequence analysis, strain C-1-16 formed a lineage within the family Chitinophagaceae of the phylum Bacteroidetes and closely related to the genera Filimonas (93.53 % sequence similarity), Sediminibacterium (92.52–90.75 %), Lacibacter (91.99–91.19 %) and Parasegetibacter (91.88–91.78 %). Flexirubin-type pigment was present for strain C-1-16. The only respiratory quinone was menaquinone-7 (MK-7) and the major polar lipid was phosphatidylethanolamine. The predominant fatty acids of strain C-1-16 were iso-C15 : 0, iso-C17 : 0 3-OH, iso-C15 : 1 G, summed feature 3 (C16 : 1 ω6c and/or C16 : 1 ω7c) and C16 : 0. The genomic DNA G+C content of this novel strain was 45.5 mol%. On the basis of phenotypic, genotypic and phylogenetic analysis, strain C-1-16 represents a novel species of a new genus in the family Chitinophagaceae , for which the name Arvibacter flaviflagrans gen. nov., sp. nov. is proposed. The type strain of Arvibacter flaviflagrans is C-1-16 (=KEMB 900-374=KACC 18717=JCM 31293).

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2016-11-01
2019-10-13
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