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  • Title: Reductive dechlorination of 1,2-dichloroethane and chloroethane by cell suspensions of methanogenic bacteria.
    Author: Holliger C, Schraa G, Stams AJ, Zehnder AJ.
    Journal: Biodegradation; 1990; 1(4):253-61. PubMed ID: 1368471.
    Abstract:
    Concentrated cell suspensions of methanogenic bacteria reductively dechlorinated 1,2-dichloroethane via two reaction-mechanisms: a dihalo-elimination yielding ethylene and two hydrogenolysis reactions yielding chloroethane and ethane, consecutively. The transformation of chloroethane to ethane was inhibited by 1,2-dichloroethane. Stimulation of methanogenesis caused an increase in the amount of dechlorination products formed, whereas the opposite was found when methane formation was inhibited. Cells of Methanosarcina barkeri grown on H2/CO2 converted 1,2-dichloroethane and chloroethane at higher rates than acetate or methanol grown cells.
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