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Emticicia ginsengisoli sp. nov., a species of the family ‘Flexibacteraceae’ isolated from soil of a ginseng field

¹ Department of Biological Sciences, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea
² Department of Biology and Medicinal Science, Pai Chai University, 14 Yonja-1st Street, Seo-Gu, Daejeon 302-735, Republic of Korea
³ College of Bio and Food Technology, Dalian Polytechnic University, Qinggong-yuan No. 1, Ganjingzi-qu, Dalian 116034, PR China

Correspondence
Wan-Taek Im
wandra{at}kaist.ac.kr
Feng-Xie Jin
fxjin{at}dlpu.edu.cn

A taxonomic study was carried out on Gsoil 085^T, a bacterial strain isolated from a soil sample from a ginseng field in Pocheon Province (South Korea). Comparative 16S rRNA gene sequence studies showed a clear affiliation of this bacterium to the family ‘Flexibacteraceae’ and indicated that the closest relative was Emticicia oligotrophica GPTSA100-15^T (94.6 % sequence similarity). Lower sequence similarities (<83.0 %) were found with respect to all other recognized species of the family ‘Flexibacteraceae’. Strain Gsoil 085^T was found to be Gram-negative, strictly aerobic, non-motile and rod-shaped. It grew well on half-strength R2A medium but did not utilize a broad range of carbon sources. The G+C content of the genomic DNA was 40.5 mol%. The major fatty acids were summed feature 4 (iso-C_{15 : 0} 2-OH and/or C_{16 : 1}7c, 45.4 %), iso-C_{15 : 0} (13.9 %), C_{16 : 1}5c (8.6 %) and C_{16 : 0} (8.2 %). On the basis of evidence from the polyphasic study, strain Gsoil 085^T represents a novel species of the genus Emticicia, for which the name Emticicia ginsengisoli sp. nov. is proposed. The type strain is Gsoil 085^T (=KCTC 12588^T =LMG 23396^T).