Genetic differentiation of Aedes aegypti (Diptera: Culicidae), the major dengue vector in Brazil

被引：54

作者：

Ayres, CFJ ^{[1
]}

Melo-Santos, MAV ^{[1
]}

Solé-Cava, AM ^{[1
]}

Furtado, AF ^{[1
]}

机构：

[1] Fiocruz MS, Dept Entomol, Ctr Pesquisas Aggeu Magalhaes, Recife, PE, Brazil

来源：

JOURNAL OF MEDICAL ENTOMOLOGY | 2003年 / 40卷 / 04期

关键词：

mosquitoes; genetic variability; random amplified polymorphic DNA; population structure;

D O I：

10.1603/0022-2585-40.4.430

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

In 2000, Brazil reported 180,137 cases of dengue, approximate to80% of the total in the Americas. However, little is known about gene flow among the vector populations in Brazil. Random amplified polymorphic DNA (RAPD) was used to study the genetic structure of Aedes aegypti in 15 populations from five states, with a range extending 2,800 km. An analysis of 47 polymorphic RAPD loci estimated gene flow at the macro- (different states) and micro- (different cities) geographical levels. Genetic polymorphism was high (H-S = 0.274), and high levels of genetic differentiation existed both between different states (G(ST) = 0.317) and between cities or neighborhoods in each state (G(ST) = 0.085- 0.265). These values are higher than those described for any other populations of A.aegypti.

引用

页码：430 / 435

页数：6

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