Review
doi: 10.1289/ehp.9087245.
Mechanism of action of organophosphorus and carbamate insecticides
Affiliations
- PMID: 2176588
- PMCID: PMC1567830
- DOI: 10.1289/ehp.9087245
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Review
Mechanism of action of organophosphorus and carbamate insecticides
Environ Health Perspect.
1990 Jul.
Abstract
Organophosphorus and carbamate insecticides are toxic to insects and mammals by virtue of their ability to inactivate the enzyme acetylcholinesterase. This review addresses the mechanism of inhibition of acetylcholinesterase by organophosphorus and carbamate esters, focusing on structural requirements necessary for anticholinesterase activity. The inhibition of acetylcholinesterase by these compounds is discussed in terms of reactivity and steric effects. The role of metabolic activation or degradation in the overall intoxication process is also discussed.
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