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  • Title: Isolation of an anaerobic bacterium which reductively dechlorinates tetrachloroethene and trichloroethene.
    Author: Wild A, Hermann R, Leisinger T.
    Journal: Biodegradation; ; 7(6):507-11. PubMed ID: 9188197.
    Abstract:
    Strain TEA, a strictly anaerobic, motile rod with one to four lateral flagella and a crystalline surface layer was isolated from a mixed culture that completely reduces chlorinated ethenes to ethene. The organism coupled reductive dehalogenation of tetrachloroethene or trichloroethene to cis-1,2-dichloroethene to growth, using molecular hydrogen as the electron donor. It was unable to grow fermentatively or in the presence of tri- or tetrachloroethene with glucose, pyruvate, lactate, acetate or formate. The 16S rDNA sequence of strain TEA was 99.7% identical to that of Dehalobacter restrictus. The two organisms thus are representatives of the same species or the same genus within the Bacillus/Clostridium subphylum of the gram-positive bacteria.
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