This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Yadav, J. S. Articles by Reddy, C. A. Search for Related Content PubMed PubMed Citation Articles by Yadav, J. S. Articles by Reddy, C. A. Agricola Articles by Yadav, J. S. Articles by Reddy, C. A.

 Previous Article  |  Next Article 

Appl. Environ. Microbiol., 07 1995, 2560-2565, Vol 61, No. 7
Copyright © 1995, American Society for Microbiology

Degradation of polychlorinated biphenyl mixtures (Aroclors 1242, 1254, and 1260) by the white rot fungus Phanerochaete chrysosporium as evidenced by congener-specific analysis

JS Yadav, JF Quensen 3rd, JM Tiedje and CA Reddy
Department of Microbiology, Michigan State University, East Lansing 48824-1101, USA.

Evidence for substantial degradation of polychlorinated biphenyl mixtures Aroclor 1242, 1254, and 1260 by the white rot fungus Phanerochaete chrysosporium, based on congener-specific gas chromatographic analysis, is presented. Maximal degradation (percent by weight) of Aroclors 1242, 1254, and 1260 was 60.9, 30.5, and 17.6%, respectively. Most of the congeners in Aroclors 1242 and 1254 were degraded extensively both in low-N (ligninolytic) as well as high-N (nonligninolytic) defined media. Even more extensive degradation of the congeners was observed in malt extract medium. Congeners with varying numbers of ortho, meta, and para chlorines were extensively degraded, indicating relative nonspecificity for the position of chlorine substitutions on the biphenyl ring. Aroclor 1260, which has not been conclusively shown to undergo aerobic microbial degradation, was shown to undergo substantial net degradation by P. chrysosporium. Maximal degradation of Aroclor 1260 was observed in malt extract medium (18.4% on a molar basis), in which most of the individual congeners were degraded.

This article has been cited by other articles:

• Green, N. A., Meharg, A. A., Till, C., Troke, J., Nicholson, J. K. (1999). Degradation of 4-Fluorobiphenyl by Mycorrhizal Fungi as Determined by 19F Nuclear Magnetic Resonance Spectroscopy and 14C Radiolabelling Analysis. Appl. Environ. Microbiol. 65: 4021-4027 [Abstract] [Full Text]  
• Beaudette, L. A., Davies, S., Fedorak, P. M., Ward, O. P., Pickard, M. A. (1998). Comparison of Gas Chromatography and Mineralization Experiments for Measuring Loss of Selected Polychlorinated Biphenyl Congeners in Cultures of White Rot Fungi. Appl. Environ. Microbiol. 64: 2020-2025 [Abstract] [Full Text]