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Title: Population Genetic Structure of Aedes fluviatilis (Diptera: Culicidae)
Authors: MULTINI, Laura CristinaWILKE, Andre Barretto BrunoSUESDEK, LincolnMARRELLI, Mauro Toledo
Citation: PLOS ONE, v.11, n.9, article ID e0162328, 13p, 2016
Abstract: Although Aedes fluviatilis is an anthropophilic mosquito found abundantly in urban environments, its biology, epidemiological potential and genetic characteristics are poorly understood. Climate change and urbanization processes that result in environmental modifications benefit certain anthropophilic mosquito species such as Ae. fluviatilis, greatly increasing their abundance in urban areas. To gain a better understanding of whether urbanization processes modulate the genetic structure of this species in the city of Sao Paulo, we used eight microsatellite loci to genetically characterize Ae. fluviatilis populations collected in nine urban parks in the city of Sao Paulo. Our results show that there is high gene flow among the populations of this species, heterozygosity deficiency and low genetic structure and that the species may have undergone a recent population expansion. There are two main hypotheses to explain these findings: (i) Ae. fluviatilis populations have undergone a population expansion as a result of urbanization; and (ii) as urbanization of the city of Sao Paulo occurred recently and was quite intense, the structuring of these populations cannot be observed yet, apart from in the populations of Ibirapuera and Piqueri parks, where the first signs of structuring have appeared. We believe that the expansion found in Ae. fluviatilis populations is probably correlated with the unplanned urbanization of the city of Sao Paulo, which transformed green areas into urbanized areas, as well as the increasing population density in the city.
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Artigos e Materiais de Revistas Científicas - IMT
Instituto de Medicina Tropical - IMT

Artigos e Materiais de Revistas Científicas - ODS/11
ODS/11 - Cidades e comunidades sustentáveis

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