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Int J Syst Evol Microbiol 58 (2008), 565-569; DOI  10.1099/ijs.0.65502-0
© 2008 International Union of Microbiological Societies

Burkholderia sediminicola sp. nov., isolated from freshwater sediment

Ju Hyoung Lim, Sang-Hoon Baek and Sung-Taik Lee

Environmental and Molecular Microbiology Lab., Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), 335 Gwahangno (373-1 Guseong-dong), Yuseong-gu, Daejeon 305-701, Republic of Korea

Correspondence
Sung-Taik Lee
e_stlee{at}kaist.ac.kr

A Gram-negative, motile and rod-shaped bacterium, designated HU2-65WT, was isolated from freshwater sediment. The strain possessed ubiquinone 8 as the predominant isoprenoid quinone and contained major amounts of {omega}7-cis-octadecenoic acid and hexadecanoic acid in its cell envelope, which are properties shared by members of the genus Burkholderia. On the basis of 16S rRNA gene sequence similarity, strain HU2-65WT was most closely related to the type strain of Burkholderia xenovorans (98.4 %). The DNA G+C content of strain HU2-65WT was 61.2 mol%, and DNA–DNA relatedness values to type strains of closely related species were found to be much lower than 70 %, indicating that the strain represents a separate genomic species within the genus Burkholderia. Strain HU2-65WT was also differentiated from other species of the genus by physiological and biochemical characteristics. Consequently, strain HU2-65WT is considered to represent a single, novel species of the genus Burkholderia, for which the name Burkholderia sediminicola sp. nov. is proposed, with the type strain HU2-65WT (=KCTC 22086T =LMG 24238T).

Abbreviations: PHA, polyhydroxyalkanoate

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of Burkholderia sediminicola HU2-65WT is EU035613.






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