ArticleMemorias do Instituto Oswaldo Cruz2021
Population structure and ancestry prediction of Aedes aegypti (Diptera: Culicidae) supports a single African origin of Colombian populations.
Article in Memorias do Instituto Oswaldo Cruz, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- The genomic diversity of arthropod-specific viruses reinforces the continental distribution pattern of Aedes aegypti.Parasites & vectors · 2025Article
- Characterizing the transmission dynamics of Trypanosoma cruzi in Triatoma sanguisuga collected from dog kennels in southern Texas.Parasites & vectors · 2025Article
- Visitors Without Passports: A Synthesis of Invasion Routes and Phylogeographic Patterns in the Asian Tiger Mosquito Based on Single-Locus Genetic Analyses.Zoological studies · 2025Article
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Abstract
backgroundA previous phylogeographic study revealed two Aedes aegypti African-related mitochondrial lineages distributed in Colombian's cities with different eco-epidemiologic characteristics with regard to dengue virus (DENV). It has been proposed these lineages might indicate independent invasion sources.
objectivesAssessing to Colombian population structure and to support evidence of its probable source origin.
methodsWe analysed a total of 267 individuals from cities of Bello, Riohacha and Villavicencio, which 241 were related to the West and East African mitochondrial lineages (termed here as WAL and EAL, respectively). Eight polymorphic microsatellite loci were analysed aiming population structure.
findingsResults indicate substantial gene flow among distant and low-connected cities composing a panmictic population with incipient local differentiation of Ae. aegypti is placed in Colombia. Likewise, genetic evidence indicates no significant differences among individuals related to WAL and EAL is placed. MAIN
conclusionsMinimal genetic differentiation in low-connected Ae. aegypti populations of Colombia, and lack concordance between mitochondrial and nuclear genealogies suggest that Colombian Ae. aegypti shared a common demographic history. Under this scenario, we suggest current Ae. aegypti population structure reflects a single origin instead of contemporary migration, which founding populations have a single source from a mitochondrial polymorphic African ancient.
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