Document Detail


Biodegradation of DDT [1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane] by the white rot fungus Phanerochaete chrysosporium.
MedLine Citation:
PMID:  3674869     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
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.
Authors:
J A Bumpus; S D Aust
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Applied and environmental microbiology     Volume:  53     ISSN:  0099-2240     ISO Abbreviation:  Appl. Environ. Microbiol.     Publication Date:  1987 Sep 
Date Detail:
Created Date:  1987-12-14     Completed Date:  1987-12-14     Revised Date:  2012-09-18    
Medline Journal Info:
Nlm Unique ID:  7605801     Medline TA:  Appl Environ Microbiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2001-8     Citation Subset:  IM    
Affiliation:
Center for the Study of Active Oxygen in Biology and Medicine, Michigan State University, East Lansing 48824.
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MeSH Terms
Descriptor/Qualifier:
Basidiomycota / 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:
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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