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Review
. 2013 Aug;194(4):807-15.
doi: 10.1534/genetics.112.141895.

The molecular genetics of insecticide resistance

Richard H Ffrench-Constant  1
Affiliations
Review

The molecular genetics of insecticide resistance

Richard H Ffrench-Constant. Genetics. 2013 Aug.

Abstract

The past 60 years have seen a revolution in our understanding of the molecular genetics of insecticide resistance. While at first the field was split by arguments about the relative importance of mono- vs. polygenic resistance and field- vs. laboratory-based selection, the application of molecular cloning to insecticide targets and to the metabolic enzymes that degrade insecticides before they reach those targets has brought out an exponential growth in our understanding of the mutations involved. Molecular analysis has confirmed the relative importance of single major genes in target-site resistance and has also revealed some interesting surprises about the multi-gene families, such as cytochrome P450s, involved in metabolic resistance. Identification of the mutations involved in resistance has also led to parallel advances in our understanding of the enzymes and receptors involved, often with implications for the role of these receptors in humans. This Review seeks to provide an historical perspective on the impact of molecular biology on our understanding of resistance and to begin to look forward to the likely impact of rapid advances in both sequencing and genome-wide association analysis.

Keywords: insecticide resistance; insecticides; molecular basis.

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