| Biodegradation of DDT [1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane] by the white rot fungus Phanerochaete chrysosporium. | |
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MedLine Citation:
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PMID: 3674869 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Extensive biodegradation of 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (DDT) by the white rot fungus Phanerochaete chrysosporium was demonstrated by disappearance and mineralization of [14C]DDT in nutrient nitrogen-deficient cultures. Mass balance studies demonstrated the formation of polar and water-soluble metabolites during degradation. Hexane-extractable metabolites identified by gas chromatography-mass spectrometry included 1,1,-dichloro-2,2-bis(4-chlorophenyl)ethane (DDD), 2,2,2-trichloro-1,1-bis(4-chlorophenyl)ethanol (dicofol), 2,2-dichloro-1,1-bis(4-chlorophenyl)ethanol (FW-152), and 4,4'-dichlorobenzophenone (DBP). DDD was the first metabolite observed; it appeared after 3 days of incubation and disappeared from culture upon continued incubation. This, as well as the fact that [14C]dicofol was mineralized, demonstrates that intermediates formed during DDT degradation are also metabolized. These results demonstrate that the pathway for DDT degradation in P. chrysosporium is clearly different from the major pathway proposed for microbial or environmental degradation of DDT. Like P. chrysosporium ME-446 and BKM-F-1767, the white rot fungi Pleurotus ostreatus, Phellinus weirii, and Polyporus versicolor also mineralized DDT. |
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Authors:
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J A Bumpus; S D Aust |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Applied and environmental microbiology Volume: 53 ISSN: 0099-2240 ISO Abbreviation: Appl. Environ. Microbiol. Publication Date: 1987 Sep |
Date Detail:
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Created Date: 1987-12-14 Completed Date: 1987-12-14 Revised Date: 2012-09-18 |
Medline Journal Info:
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Nlm Unique ID: 7605801 Medline TA: Appl Environ Microbiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 2001-8 Citation Subset: IM |
Affiliation:
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Center for the Study of Active Oxygen in Biology and Medicine, Michigan State University, East Lansing 48824. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Basidiomycota
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growth & development,
metabolism* Benzophenones / metabolism Biodegradation, Environmental Chemical Phenomena Chemistry Chromatography, Gas Chromatography, High Pressure Liquid DDT / metabolism* Dichlorodiphenyldichloroethane / metabolism Dicofol / metabolism Glucose / metabolism Mass Spectrometry Temperature |
| Chemical | |
Reg. No./Substance:
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0/Benzophenones; 115-32-2/Dicofol; 50-29-3/DDT; 50-99-7/Glucose; 72-54-8/Dichlorodiphenyldichloroethane; 90-98-2/4,4'-dichlorobenzophenone |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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