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Abstract
A Gram-reaction-positive, rod-shaped, strictly aerobic and non-motile bacterial strain, designated WS16T, was isolated from the sediment of a shallow stream located in Cheonan, Korea. The strain grew optimally at 28 °C, at pH 7.0 and in the absence of NaCl. Phylogenetic trees based on 16S rRNA gene sequences suggested that the isolate belonged to the genus Flavihumibacter of the phylum Bacteroidetes . Comparative 16S rRNA gene sequence analysis showed that strain WS16T was related most closely to Flavihumibacter petaseus T41T (96.8 % similarity). The isolate contained MK-7 as the predominant menaquinone and iso-C15 : 0, iso-C15 : 1 and iso-C17 : 0 3-OH as the major fatty acids. The genomic DNA G+C content of the isolate was 45.9 mol%. The results of a polyphasic taxonomic approach indicated that strain WS16T represents a novel species of the genus Flavihumibacter , for which the name Flavihumibacter cheonanensis sp. nov. is proposed. The type strain is WS16T ( = KACC 17467T = JCM 19322T).
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Funding
- Dankook University