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Genetic Structure of a Local Population of the Anopheles gambiae Complex in Burkina Faso.

Abstract : Members of the Anopheles gambiae species complex are primary vectors of human malaria in Africa. Population heterogeneities for ecological and behavioral attributes expand and stabilize malaria transmission over space and time, and populations may change in response to vector control, urbanization and other factors. There is a need for approaches to comprehensively describe the structure and characteristics of a sympatric local mosquito population, because incomplete knowledge of vector population composition may hinder control efforts. To this end, we used a genome-wide custom SNP typing array to analyze a population collection from a single geographic region in West Africa. The combination of sample depth (n = 456) and marker density (n = 1536) unambiguously resolved population subgroups, which were also compared for their relative susceptibility to natural genotypes of Plasmodium falciparum malaria. The population subgroups display fluctuating patterns of differentiation or sharing across the genome. Analysis of linkage disequilibrium identified 19 new candidate genes for association with underlying population divergence between sister taxa, A. coluzzii (M-form) and A. gambiae (S-form).
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Kyriacos Markianos, Emmanuel Bischoff, Christian Mitri, Wamdaogo Guelbéogo, Awa Gneme, et al.. Genetic Structure of a Local Population of the Anopheles gambiae Complex in Burkina Faso.. PLoS ONE, Public Library of Science, 2016, 11 (1), pp.e0145308. ⟨10.1371/journal.pone.0145308⟩. ⟨pasteur-02008317⟩



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