Jump to main content.


Please do not bookmark specific publications. The URL for each item changes each quarter as our Research Products database is refreshed. If you have a question regarding this publication, use the "Contact Us" feature above and include the product citation in your message.

 

Research Product

Genthner, Barbara R. Sharak, W. Allen Price, II and P.H. Pritchard. 1989. Characterization of Anaerobic Dechlorinating Consortia Derived from Aquatic Sediments. EPA/600/J-89/163. Appl. Environ. Microbiol. 55(6):1472-1476. (ERL,GB 662). (Avail. from NTIS, Springfield, VA: PB90-129487)

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 has been maintained in laboratory transfer for over two 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.

horizontal blue bar

[ ORD Home | NHEERL Home  ] 


Local Navigation


Jump to main content.