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CRYPTIC DIVERSITY IN AN ATLANTIC FOREST MALARIA VECTOR FROM THE MOUNTAINS OF SOUTH-EAST BRAZIL
Population genetics
Mosquitoes
Cryptic species
Speciation
Malaria
Atlantic Forest
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Resumo em Inglês
Anopheles (Kerteszia) cruzii is the primary vector of human and simian malarias in Brazilian regions covered by the Atlantic Rainforest. Previous studies found that An. cruzii presents high levels of behavioural, chromosomal and molecular polymorphisms, which led to the hypothesis that it may be a complex of cryptic species. Here, An. cruzii specimens were collected in five sites in South-East Brazil located at different altitudes on the inner and coastal slopes of two mountain ranges covered by Atlantic Rainforest, known as Serra do Mar and Serra da Mantiqueria. Partial sequences for two genes (Clock and cpr) were generated and compared with previously published sequences from Florianópolis (southern Brazil). Genetic diversity was analysed with estimates of population structure (F ST ) and haplotype phylogenetic trees in order to understand how many species of the complex may occur in this biome and how populations across the species distribution are related.
Palavras-chave em inglês
Anopheles (Kerteszia) cruziiPopulation genetics
Mosquitoes
Cryptic species
Speciation
Malaria
Atlantic Forest
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