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LOW GENE FLOW OF AEDES AEGYPTI BETWEEN DENGUE-ENDEMIC AND DENGUE-FREE AREAS IN SOUTHEASTERN AND SOUTHERN BRAZIL
Dengue
Endemic and Dengue-Free Areas
Southeastern Brazil
Southern Brazil
Afiliación
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Transmissores de Hematozoários. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Transmissores de Hematozoários. Rio de Janeiro, RJ. Brasil.
Institut Pasteur. Paris, France.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Transmissores de Hematozoários. Rio de Janeiro, RJ. Brasil.
Institut Pasteur. Paris, France.
Resumen en ingles
We present a population genetic study of Aedes aegypti in Brazil using isoenzyme markers. Four polymorphic
loci were used to examine 11 mosquito collections at four periods in 2003. Samples from a dengue-endemic area
(southeastern region) and a dengue-free area (southern region) connected by an important network of roads and
railways were analyzed. The degree of genetic differentiation observed between populations is consistent with limited
gene flow between them. There was no evidence of passive dispersion of Ae. aegypti by vehicles among the different
routes linking metropolitan areas.
Palabras clave en ingles
Aedes aegyptiDengue
Endemic and Dengue-Free Areas
Southeastern Brazil
Southern Brazil
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