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Home / Publicações / Seasonal population dynamics and the genetic structure of the mosquito vector Aedes aegypti in São Paulo, Brazil.

Seasonal population dynamics and the genetic structure of the mosquito vector Aedes aegypti in São Paulo, Brazil.

  • Autores: Campos M, Lourdes da Graça Macoris M, Paduan Kdos S, Ribolla PE, Spenassatto C, Pinto J
  • Journal: Ecology and Evolution
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Seasonal+population+dynamics+and+the+genetic+structure+of+the+mosquito+vector+Aedes+aegypti+in+S%C3%A3o+Paulo%2C+Brazil

Population genetic studies of insect vectors can generate knowledge to improve epidemiological studies focused on the decrease of pathogen transmission. In this study, we used nine SNPs across the Aedes aegypti genome to characterize seasonal population variations of this important dengue vector. Mosquito samples were obtained by ovitraps placed over Botucatu SP from 2005 to 2010. Our data show that, regardless of the large variation in mosquito abundance (deduced from the number of eggs obtained from ovitraps), the effective population size remained stable over the years. These results suggest that Ae. aegypti is able to maintain a sufficiently large active breeding population during the dry season to keep genetic frequencies stable. These results open new perspectives on mosquito survey and control methods.

KEYWORDS: Aedes aegypti; SNPs; dengue; population genetics.

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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT with a track record in Tropical Medicine and International/Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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