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Pseudomonas panacis sp. nov., isolated from the surface of rusty roots of Korean ginseng

Yoon-Dong Park^1,, Hyang Burm Lee^1,, Hana Yi¹, Youngjun Kim², Kyung Sook Bae³, Jae-Eul Choi⁴, Hack Sung Jung¹ and Jongsik Chun¹

¹ School of Biological Sciences, Seoul National University, Kwanak-gu, Seoul 151-742, Republic of Korea
² Division of Biotechnology, The Catholic University of Korea, Puchon 420-743, Republic of Korea
³ Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Taejon 305-600, Republic of Korea
⁴ Department of Crop Science, College of Agriculture and Life Science, Chungnam National University, Taejon 305-764, Republic of Korea

Correspondence
Jongsik Chun
jchun{at}snu.ac.kr

A Gram-negative, aerobic bacterium, designated CG20106^T, was isolated from the surface tissues of rusty root lesions of Korean ginseng. Phylogenetic analysis of the 16S rRNA gene sequence revealed that this isolate represents a hitherto unknown subline within the genus Pseudomonas. Strain CG20106^T was catalase- and oxidase-positive, motile and rod-shaped. The overall phenotypic features of the ginseng isolate were similar to those of Pseudomonas cedrina, Pseudomonas migulae and Pseudomonas azotoformans. However, several physiological and chemotaxonomic properties can be weighted to distinguish the isolate from these organisms. The major fatty acids were C_{16 : 1}7c and/or iso-C_{15 : 0} 2-OH (summed feature 3, 36·4±0·4 %), C_{16 : 0} (27·5±0·7 %) and C_{18 : 1}7c (19·4±0·2 %). The DNA G+C content was 61·4 mol%. On the basis of the polyphasic results revealed in this study, the name Pseudomonas panacis sp. nov. is proposed for strain CG20106^T. The type strain is CG20106^T (=IMSNU 14100^T=CIP 108524^T=KCTC 12330^T).