Alterations of the acetylcholinesterase enzyme in the oriental fruit fly Bactrocera dorsalis are correlated with resistance to the organophosphate insecticide fenitrothion.

Abstract excerpt

Alterations of the structure and activity of the enzyme acetylcholinesterase (AChE) leading to resistance to organophosphate insecticides have been examined in the oriental fruit fly, Bactrocera dorsalis (Hendel), an economic pest of great economic importance in the Asia-Pacific region. We used affinity chromatography to purify AChE isoenzymes from heads of insects from lines showing the phenotypes of resistance...

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