NOTE] Chitinibacter suncheonensis sp. nov., a Chitinolytic Bacterium from a Mud Flat in Suncheon Bay

Sung Kyum Kim; Yong Ho Kim; Yu Seok Jeong; Han Beur Na; Jungho Kim; Keun Sik Baik; Han Dae Yun; Jung-Kul Lee; Hoon Kim

doi:10.1007/s12275-012-2333-9

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NOTE] Chitinibacter suncheonensis sp. nov., a Chitinolytic Bacterium from a Mud Flat in Suncheon Bay: Sung Kyum Kim ¹, Yong Ho Kim ¹, Yu Seok Jeong ¹, Han Beur Na ¹, Jungho Kim ¹, Keun Sik Baik ², Han Dae Yun ³, Jung-Kul Lee ⁴, Hoon Kim ^1,5; Journal of Microbiology 2012;50(6):1058-1062
DOI: https://doi.org/10.1007/s12275-012-2333-9
Published online: December 30, 2012

¹Department of Agricultural Chemistry, Sunchon National University, Suncheon 540-950, Republic of Korea, ²Department of Biology, Sunchon National University, Suncheon 540-950, Republic of Korea, ³Division of Applied Life Science, and Research Institute of Life Science, Gyeongsang National University, Chinju 660-701, Republic of Korea, ⁴Division of Chemical and Bioengineering, Konkuk University, Seoul 143-701, Republic of Korea, ⁵Department of Pharmacy, Sunchon National University, Suncheon 540-742, Republic of Korea¹Department of Agricultural Chemistry, Sunchon National University, Suncheon 540-950, Republic of Korea, ²Department of Biology, Sunchon National University, Suncheon 540-950, Republic of Korea, ³Division of Applied Life Science, and Research Institute of Life Science, Gyeongsang National University, Chinju 660-701, Republic of Korea, ⁴Division of Chemical and Bioengineering, Konkuk University, Seoul 143-701, Republic of Korea, ⁵Department of Pharmacy, Sunchon National University, Suncheon 540-742, Republic of Korea

Corresponding author: Hoon Kim , Tel: +82-61-750-3751,

Received: 28 June 2012 • Accepted: 1 August 2012

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Abstract

A chitinolytic bacterium, designated strain SK16T, was isolated from a mud flat in Suncheon Bay, Republic of Korea. Strain SK16T is Gram-negative, strictly aerobic, motile by a polar flagellum, and short rod-shaped. Phylogenetic analyses based on 16S rRNA gene sequences showed that the strain belonged to the genus Chitinibacter and was most closely related to Chitinibacter tainanensis S1T (98.2% similarity). DNA-DNA hybridization analyses showed a low association value of 20.45±4.08% between them. The major cellular fatty acids, the G+C content of the genomic DNA, and the predominant quinone of the strain were summed feature 3 (iso-C15:0 2-OH and/or C16:1 ω7c; 50.5%) and C12:0 (12.5%), 52.26 mol%, and Q-8, respectively. Based on the phylogenetic, chemotaxonomic, and phenotypic properties, strain SK16T represents a novel species of the genus Chitinibacter, for which the name Chitinibacter suncheonensis sp. nov. is proposed. The type strain is SK16T (=KCTC 23839T =DSM 25421T).

Keywords: Chitinibacter suncheonensis sp. nov.; taxonomy; chitinolytic activity; mud flat

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NOTE] Chitinibacter suncheonensis sp. nov., a Chitinolytic Bacterium from a Mud Flat in Suncheon Bay

J. Microbiol. 2012;50(6):1058-1062. Published online December 30, 2012

DOI: https://doi.org/10.1007/s12275-012-2333-9

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