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. 1989 Jun;55(6):1472–1476. doi: 10.1128/aem.55.6.1472-1476.1989

Characterization of Anaerobic Dechlorinating Consortia Derived from Aquatic Sediments †

Barbara R Sharak Genthner 1,*, W Allen Price II 1, P H Pritchard 1
PMCID: PMC202888  PMID: 16347941

Abstract

Four methanogenic consortia which degraded 2-chlorophenol, 3-chlorophenol, 2-chlorobenzoate, and 3-chlorobenzoate, respectively, and one nitrate-reducing consortium which degraded 3-chlorobenzoate were characterized. Degradative activity in these consortia was maintained by laboratory transfer for over 2 years. In the methanogenic consortia, the aromatic ring was dechlorinated before mineralization to methane and carbon dioxide. After dechlorination, the chlorophenol consortia converted phenol to benzoate before mineralization. All methanogenic consortia degraded both phenol and benzoate. The 3-chlorophenol and 3-chlorobenzoate consortia also degraded 2-chlorophenol. No other cross-acclimation to monochlorophenols or monochlorobenzoates was detected in the methanogenic consortia. The consortium which required nitrate for the degradation of 3-chlorobenzoate degraded benzoate and 4-chlorobenzoate anaerobically in the presence of KNO3, but not in its absence. This consortium also degraded benzoate, but not 3-chlorobenzoate, aerobically.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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