ArticleParasites & vectors2020
Dynamic of resistance alleles of two major insecticide targets in Anopheles gambiae (s.l.) populations from Benin, West Africa.
Article in Parasites & vectors, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 22 citations in OpenAlex.
- Malaria transmission dynamics, vector diversity, and insecticide resistance profiles in two health districts of southern Benin.BMC infectious diseases · 2026Article
- Mosquito Feeding Preference, Infectivity Rates, and Knockdown Resistance Within the Wild Population ofTropical medicine and infectious disease · 2025Article
- Impact of dual active ingredients long-lasting insecticidal nets on the genetic structure of insecticide resistant populations of Anopheles gambiae in Southern Benin.Malaria journal · 2025Article
- Physico-chemical characterization of Anopheles gambiae s.l. breeding sites and kdr mutations in urban areas of Cotonou and Natitingou, Benin.BMC infectious diseases · 2024Article
- Article
- Exploring the molecular mechanisms of increased intensity of pyrethroid resistance in Central African population of a major malaria vectorEvolutionary applications · 2024Article
- Anopheles gambiae s.l. swarms trapping as a complementary tool against residual malaria transmission in eastern Gambia.Scientific reports · 2022Article
- Phenotypic Insecticide Resistance in Anopheles gambiae (Diptera: Culicidae): Specific Characterization of Underlying Resistance Mechanisms Still Matters.Journal of medical entomology · 2021Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
Abstract
backgroundInsecticide resistance is a growing concern for malaria control and vector control effectiveness relies on assessing it distribution and understanding its evolution.
methodsWe assessed resistance levels and the frequencies of two major target-site mutations, L1014F-VGSC and G119S-ace-1, conferring resistance to pyrethroids (PYRs) and carbamates/organophosphates (CXs/OPs) insecticides. These data were compared to those acquired between 2006 and 2010 to follow resistance evolutionary trends over ten years.
resultsWe report the results of a 3-year survey (2013-2015) of insecticide resistance in 13 localities across the whole country of Benin. Permethrin (PYR) resistance was found in all populations tested, L1014F-VGSC being almost fixed everywhere, while bendiocarb resistance was limited to a few localities, G119S-ace-1 remaining rare, with very limited variations during surveyed period. Interestingly, we found no effect of the type of insecticide pressure on the dynamics of these mutations.
conclusionsThese results confirm both the high prevalence of PYR resistance and the potential of CXs/OPs as short- to medium-term alternatives in Benin. They also underline the need for regular resistance monitoring and informed management in their usage, as the G119S-ace-1 mutation is already present in Benin and surrounding countries. Their unwise usage would rapidly lead to its spread, which would jeopardize PYR-resistant Anopheles control.
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