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Int J Syst Evol Microbiol 59 (2009), 2830-2833; DOI  10.1099/ijs.0.011163-0
© 2009 International Union of Microbiological Societies

Chitinophaga rupis sp. nov., isolated from soil

Dong Wan Lee, Jeong-Eon Lee and Soon Dong Lee

Department of Science Education, Cheju National University, Jeju 690-756, Republic of Korea

Correspondence
Soon Dong Lee
sdlee{at}cheju.ac.kr

A Gram-negative, rod-shaped, deep yellow-pigmented bacterium, designated strain CS5-B1T, was isolated from a soil sample collected from a cliff on Mara Island, south-west of Jeju, Republic of Korea. Comparative 16S rRNA gene sequence analysis showed that strain CS5-B1T fell within the radiation of the genus Chitinophaga with the closest relative being Chitinophaga japonensis IFO 16041T (97.2 % sequence similarity). Levels of 16S rRNA gene sequence similarity between strain CS5-B1T and other species of the genus Chitinophaga were 92.9–95.8 %. The dominant menaquinone was MK-7. The polar lipids contained phosphatidylethanolamine, a ninhydrin-positive lipid and an unknown lipid. The major fatty acids were iso-C15 : 0, C16 : 1{omega}5c, C16 : 0 and C18 : 0, with iso-C15 : 0 3-OH and iso-C17 : 0 3-OH as the dominant hydroxy fatty acids. The G+C content of the DNA was 48.7 mol%. DNA-DNA relatedness between strain CS5-B1T and C. japonensis DSM 13484T was 5.8–7.9 %. On the basis of the phenotypic and DNA–DNA hybridization data, this bacterium represents a novel species of the genus Chitinophaga, for which the name Chitinophaga rupis sp. nov. is proposed. The type strain is CS5-B1T (=KCTC 22170T=DSM 21039T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain CS5-B1T is FM865977.

A supplementary table of cellular fatty acid profiles is available with the online version of this paper.






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Copyright © 2009 by the International Union of Microbiological Societies.