Characterization of chloroethylene dehalogenation by cell extracts of Desulfomonile tiedjei and its relationship to chlorobenzoate dehalogenation
Article Abstract:
Characterization of chloroethylene dehalogenation by cell extracts of Desulfomonile tiedjei reveals that the dehalogenation of tetrachloroethylene in D. tiedjei is catalyzed by a dehalogenase considered to be specific for meta-halobenzoates. Tetrachloroethylene dehalogenation is heat sensitive, not oxygen labile, and increases in proportion to the protein mass in the assay mixtures, showing similarity to 3-chlorobenzoate dehalogenation activity. These activities require hydrogen or formate as an electron donor, and methyl viologen or triquat as an electron carrier in vitro.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
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Reduction of 3-chlorobenzoate, 3-bromobenzoate, and benzoate to corresponding alcohols by Desulfomicrobium escambiense, isolated from a 3-chlorobenzoate-dechlorinating coculture
Article Abstract:
A research was conducted to study the dechlorinating capabilities of Desulfomicrobium escambiense and the coculture from which D. escambiense was isolated. D. escambiense failed to form benzyl alcohol or succinnate during sulfate reduction indicating that the latter was the preferred reductive mechanism. Results showed Desulfovibrio desulfuricans capable of bidirectional transformation of aromatic aldehydes under nitrate-dissimilating conditions.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1997
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Reductive dehalogenation and mineralization of 3-chlorobenzoate in the presence of sulfate by microorganisms from a methanogenic aquifier
Article Abstract:
The reductive dehalogenation and mineralization of 3-chlorobenzoate (3CBNz) in the presence of sulfate by microorganisms from a methanogenic aquifer was investigated. The study aimed to show 3CBz biodegration by the microbiota of these sediments in the presence of high concentrations of sulfate. Results reveal that the effect of sulfate on 3CBz biodegration varied in relation to the incubation mixture's enrichment history.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1997
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