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Genetic structure of the northern house mosquito (Diptera: Culicidae) in a WNV-susceptible area

dc.contributor.authorAlvial, Ingrid E.
dc.contributor.authorRojas-Hernández, Noemi
dc.contributor.authorGuerra, Nicolas
dc.contributor.authorVéliz, David
dc.contributor.authorGonzález, Christian R.
dc.contributor.authorPérez, Laura M.
dc.contributor.authorBenítez, Hugo A.
dc.date.accessioned2025-07-08T19:48:32Z
dc.date.available2025-07-08T19:48:32Z
dc.date.issued2025
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/6236
dc.description.abstractMosquitoes from the Culex pipiens complex are found worldwide and have been the focus of numerous studies due to their role as vectors of human pathogens. We investigated the population genetic structure of Cx. pipiens s.l. by analyzing single nucleotide polymorphisms (SNPs) and the COI gene, focusing on the genetic grouping signals of the ecotypes pipiens and molestus. Our analysis revealed no genetic association between the ecotypes and the SNPs, suggesting that the classification is based on ecological traits rather than genetic factors. Using data from 2,641 SNPs and 164 genotypes, our Bayesian clustering analysis categorized the populations into six distinct genetic groups, distinguishing the Rapa Nui island population from those on the American mainland. The estimated effective migration rates showed low levels of migration between island and continental populations, with significant migration occurring only among populations between 29° S and 33° S. Genetic differentiation between Rapa Nui island and the American continent was observed. In contrast, no significant differentiation was noted in other regions. The haplotype network suggests a possible migration pathway from that area of the South Pacific. In addition, demographic history analysis indicates a relatively recent founder effect of Cx. pipiens s.l. on the island. Geographic isolation and variations in genetic makeup can limit the spread of pathogens regionally and globally. However, these same factors can also promote specialization and enhance adaptation to new ecological niches, thereby improving the ability of pathogens to function as effective vectors in isolated environments.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceJournal of Heredity, 116(3), 241-254es_CL
dc.subjectCulex pipiens s.les_CL
dc.subjectGene COIes_CL
dc.subjectGenetic structurees_CL
dc.subjectGenotypees_CL
dc.subjectPhenotypees_CL
dc.subjectSNPses_CL
dc.titleGenetic structure of the northern house mosquito (Diptera: Culicidae) in a WNV-susceptible areaes_CL
dc.typeArticlees_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.urioxfordjournals.ucm.elogim.com/jhered/article-abstract/116/3/241/7990649?redirectedFrom=fulltextes_CL
dc.ucm.doidoi.org/10.1093/jhered/esaf005es_CL


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Atribución-NoComercial-SinDerivadas 3.0 Chile
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