ArticleParasites & vectors2018
Insecticide susceptibility status of Anopheles gambiae (s.l.) in South-West Cameroon four years after long-lasting insecticidal net mass distribution.
Article in Parasites & vectors, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 26 citations in OpenAlex.
- Genetic diversity of Plasmodium falciparum and genetic profile in children affected by uncomplicated malaria in Cameroon.Malaria journal · 2020Trial
- Genetic polymorphism of Plasmodium falciparum using merozoite surface proteins 1 and 2 (msp-1 and msp-2) genes in Oveng and Mintom, South region of Cameroon.BMC infectious diseases · 2025Article
- Distribution of Anopheles gambiae s.l siblings, insecticide resistance and prevalence of markers of resistance (Kdr & Ace-1) in Edea and Buea: forest region of Cameroon.BMC infectious diseases · 2025Article
- Resistance of Anopheles gambiae s.s. against commonly used insecticides and implication of cytochrome P450 monooxygenase in resistance to pyrethroids in Lambaréné (Gabon).BMC infectious diseases · 2024Article
- Anopheles gambiae s.s. resistance to pyrethroids and DDT in semi-urban and rural areas of the Moyen-Ogooué Province, Gabon.Malaria journal · 2023Article
- Development of rice farming: a cause of the emergence of multiple insecticide resistance in populations ofMalawi medical journal : the journal of Medical Association of Malawi · 2023Article
- Insecticide susceptibility status in two medically important mosquito vectorsSaudi journal of biological sciences · 2023Article
- Insecticide susceptibility status of Anopheles gambiae (s.l.) in and surrounding areas of Lake Tana, northwest Ethiopia.Tropical medicine and health · 2023Article
- Diversity and behavioral activity of Anopheles mosquitoes on the slopes of Mount Cameroon.Parasites & vectors · 2022Article
- Rapid evolution of insecticide resistance and patterns of pesticides usage in agriculture in the city of Yaoundé, Cameroon.Parasites & vectors · 2022Article
- Distribution of acetylcholinesterase (Ace-1Parasites & vectors · 2022Article
- Influence of a Major Mountainous Landscape Barrier (Mount Cameroon) on the Spread of Metabolic (Genes · 2020Article
- First report of AChE1 (G119S) mutation and multiple resistance mechanisms in Anopheles gambiae s.s. in Nigeria.Scientific reports · 2020Article
- Effects of indoor residual spraying and outdoor larval control on Anopheles coluzzii from São Tomé and Príncipe, two islands with pre-eliminated malaria.Malaria journal · 2019Article
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Authors and funding
9 authors at 5 institutions in 3 countries.
Funding
Abstract
backgroundMembers of the Anopheles gambiae (s.l.) complex are one of the major vectors of malaria in Africa. LLINs and IRS are the most effective tools used in vector control of malaria. However, their effectiveness may be hampered by the development and spread of insecticide resistance in the target vectors species. The objective of this study was to assess the susceptibility of Anopheles gambiae (s.l.) mosquitoes from South-West Cameroon to deltamethrin, permethrin and to malathion, four years after the mass deployment of LLINs.
methodsAnopheles larvae were collected from Limbe, Tiko and Buea, three cities of the Fako division and reared until adult emergence. Adult mosquitoes from field larvae were identified as belonging to the Anopheles gambiae (s.l.) complex using standard identification keys. Susceptibility of mosquito samples to deltamethrin, permethrin and malathion was assessed using WHO susceptibility tests protocol for adult mosquitoes. Molecular identification of tested samples was performed using the PCR SINE200 protocol and by PCR-RFLP. The kdr alleles were genotyped using the hot ligation oligonucleotide assay (HOLA).
resultsTwo species of the An. gambiae (s.l.) complex, An. coluzzii and An. gambiae (s.s.) were identified in all three study locations with high proportions of An. coluzzii in Limbe (84.06%) and Tiko (92.2%), while in Buea, An. coluzzii (55.6%) and An. gambiae (s.s.) (44.4%) occurred almost in the same proportions. Tested samples were found resistant to pyrethroids (deltamethrin and permethrin) in all locations (< 90% mortality), with > 3-fold increase of KDT
conclusionsThese findings reemphasize the ongoing development of An. gambiae (s.l.) resistance to pyrethroids used in impregnating LLINs and suggest the use of malathion as an alternative insecticide for IRS in complementarity with LLINs.
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