An independent occurrence of the chimeric P450 enzyme CYP337B3 of Helicoverpa armigera confers cypermethrin resistance in Pakistan.

  title={An independent occurrence of the chimeric P450 enzyme CYP337B3 of Helicoverpa armigera confers cypermethrin resistance in Pakistan.},
  author={Akhtar Rasool and Nicole Jou\ssen and Sybille Lorenz and Renate Ellinger and Bernd Schneider and Sher Afzal Khan and Muhammad Ashfaq and David G. Heckel},
  journal={Insect biochemistry and molecular biology},
The increasing resistance level of insect pest species is a major concern to agriculture worldwide. The cotton bollworm, Helicoverpa armigera, is one of the most important pest species due to being highly polyphagous, geographically widespread, and resistant towards many chemical classes of insecticides. We previously described the mechanism of fenvalerate resistance in Australian populations conferred by the chimeric cytochrome P450 monooxygenase CYP337B3, which arose by unequal crossing-over… CONTINUE READING
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