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Spectrum of the Reductive Dehalogenation Activity of Desulfitobacterium frappieri PCP-1

Authors
  • D. Dennie
  • I. Gladu
  • F. Lépine
  • R. Villemur
  • J.-G. Bisaillon
  • R. Beaudet
Publisher
American Society for Microbiology
Publication Date
Nov 01, 1998
Source
PMC
Keywords
Disciplines
  • Biology
License
Unknown

Abstract

Desulfitobacterium frappieri PCP-1 was induced for ortho- and para-dechlorinating activities by different chlorophenols. Dehalogenation rates ranging from 25 to 1,158 nmol/min/mg of cell protein were observed according to the chlorophenol tested and the position of the chlorine removed. D. frappieri shows a broad substrate specificity; in addition to tetrachloroethylene and pentachloropyridine, strain PCP-1 can dehalogenate at ortho, meta, and para positions a large variety of aromatic molecules with substituted hydroxyl or amino groups. Reactions of O demethylation and reduction of nitro to amino substituents on aromatic molecules were also observed.

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