Inhibition of permethrin-hydrolyzing esterases from Wiseana cervinata larvae |
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Authors: | C.K. Chang T.W. Jordan |
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Affiliation: | Biochemistry Department, Victoria University, Wellington, New Zealand |
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Abstract: | Inhibition of permethrin-hydrolyzing enzymes from larvae of the porina moth Wiseana cervinata has been examined in vivo and in vitro. Significant inhibition was shown by carbaryl and pirimiphos-methyl. 1-Dodecylimidazole substantially inhibited permethrin hydrolysis only in liver insects. The triphenylmethane dye tetrabromophenolphthalein was a moderate inhibitor only in vitro. TMDM (bis(N-dimethyl-4-aminophenyl)methane) had little effect on hydrolysis. These observations extend the range of species and substrates for which the triphenylmethane dyes and 1-dodecylimidazole are useful inhibitors of insecticide metabolism. |
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Keywords: | To whom correspondence should be addressed. |
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