Fungal degradation of organophosphorus insecticides.
Identifieur interne : 000E38 ( Main/Curation ); précédent : 000E37; suivant : 000E39Fungal degradation of organophosphorus insecticides.
Auteurs : J A Bumpus [États-Unis] ; S N Kakar ; R D ColemanSource :
- Applied biochemistry and biotechnology [ 0273-2289 ] ; 1993.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Chlorpyrifos, Fonofos, Insecticides, Organothiophosphorus Compounds.
- metabolism : Basidiomycota.
- Biodegradation, Environmental.
Abstract
Organophosphorous insecticides are used extensively in agriculture. As a group, they are easily degraded by bacteria in the environment. However, a number of them have half-lives of several months. Little is known about their biodegradation by fungi. We showed that Phanerochaete chrysosporium mineralized chlorpyrifos, fonofos, and terbufos (27.5, 12.2, and 26.6%, respectively) during an 18-d incubation in nutrient nitrogen-limited cultures. Results demonstrated that the chlorinated pyridinyl ring of chlorpyrifos and the phenyl ring of fonofos undergo cleavage during biodegradation by the fungus. The usefulness of P. chrysosporium for bioremediation is discussed.
DOI: 10.1007/BF02919030
PubMed: 7686734
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As a group, they are easily degraded by bacteria in the environment. However, a number of them have half-lives of several months. Little is known about their biodegradation by fungi. We showed that Phanerochaete chrysosporium mineralized chlorpyrifos, fonofos, and terbufos (27.5, 12.2, and 26.6%, respectively) during an 18-d incubation in nutrient nitrogen-limited cultures. Results demonstrated that the chlorinated pyridinyl ring of chlorpyrifos and the phenyl ring of fonofos undergo cleavage during biodegradation by the fungus. The usefulness of P. chrysosporium for bioremediation is discussed.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">7686734</PMID><DateCompleted><Year>1993</Year><Month>08</Month><Day>05</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>09</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0273-2289</ISSN><JournalIssue CitedMedium="Print"><Volume>39-40</Volume><PubDate><Year>1993</Year><Season>Spring</Season></PubDate></JournalIssue><Title>Applied biochemistry and biotechnology</Title><ISOAbbreviation>Appl Biochem Biotechnol</ISOAbbreviation></Journal><ArticleTitle>Fungal degradation of organophosphorus insecticides.</ArticleTitle><Pagination><MedlinePgn>715-26</MedlinePgn></Pagination><Abstract><AbstractText>Organophosphorous insecticides are used extensively in agriculture. As a group, they are easily degraded by bacteria in the environment. However, a number of them have half-lives of several months. Little is known about their biodegradation by fungi. We showed that Phanerochaete chrysosporium mineralized chlorpyrifos, fonofos, and terbufos (27.5, 12.2, and 26.6%, respectively) during an 18-d incubation in nutrient nitrogen-limited cultures. Results demonstrated that the chlorinated pyridinyl ring of chlorpyrifos and the phenyl ring of fonofos undergo cleavage during biodegradation by the fungus. 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