Journal
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
Volume 50, Issue -, Pages 743-749Publisher
MICROBIOLOGY SOC
DOI: 10.1099/00207713-50-2-743
Keywords
trichloroethylene degradation; Burkholderia kururiensis sp nov.; aquifer; 16S rRNA gene
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A trichloroethylene (TCE)-degrading bacterium was isolated from an aquifer sample collected at a TCE-polluted site in Japan by enriching with phenol as sole carbon source. The isolate, designated strain KP23(T), was a Gram-negative, oval-shaped micro-organism. A phylogenetic study based on 16S rRNA gene sequences indicated that strain KP23(T) should be placed in the genus Burkholderia. Cellular fatty acids of the strain were mainly composed of C-16:0, cyclopropanic acid C-17:0 and cyclopropanic acid C-19:0. Strain KP23T also contained notable amounts of C-13:1 and C-17:1. The G+C content of total DNA was 64.8 mol%, Strain KP23(T) oxidized various sugars and sugar alcohols as sole carbon source such as galactose, glucose, mannose, maltose, glycerol, inositol and mannitol. Comparisons of its phenotypic and genotypic characteristics with other known species belonging to the genus Burkholderia suggested that strain KP23(T) represents a new species in the genus. The name Burkholderia kururiensis is proposed for this species, with strain KP23(T) as the type strain (= JCM 10599(T)).
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