Journal
EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS
Volume 46, Issue 7, Pages 675-679Publisher
SPRINGER
DOI: 10.1007/s00249-016-1195-1
Keywords
Insecticides; Mode of action; Modelling; Pyrethroids; Resistance
Categories
Funding
- Biotechnology and Biological Sciences Research Council of the UK
- [BB/L006790]
- BBSRC [BB/F009143/1, BB/L006790/1, BBS/E/C/00005193] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/F009143/1, BBS/E/C/00005193, BB/L006790/1] Funding Source: researchfish
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The pyrethroid insecticides are a very successful group of compounds that have been used extensively for the control of arthropod pests of agricultural crops and vectors of animal and human disease. Unfortunately, this has led to the development of resistance to the compounds in many species. The mode of action of pyrethroids is known to be via interactions with the voltage-gated sodium channel. Understanding how binding to the channel is affected by amino acid substitutions that give rise to resistance has helped to elucidate the mode of action of the compounds and the molecular basis of their selectivity for insects vs mammals and between insects and other arthropods. Modelling of the channel/pyrethroid interactions, coupled with the ability to express mutant channels in oocytes and study function, has led to knowledge of both how the channels function and potentially how to design novel insecticides with greater species selectivity.
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