Crossing experiments detect genetic incompatibility among populations of Triatoma brasiliensis Neiva, 1911 (Heteroptera, Reduviidae, Triatominae)
AUTOR(ES)
Costa, Jane, Almeida, Carlos Eduardo, Dujardin, Jean Pierre, Beard, Charles Benjamin
FONTE
Memórias do Instituto Oswaldo Cruz
DATA DE PUBLICAÇÃO
2003-07
RESUMO
Triatoma brasiliensis is composed of at least four geographic populations (brasiliensis, melanica, macromelasoma, and juazeiro) that have distinct chromatic, morphologic, biologic and ecologic patterns, and genetic composition. Reciprocal crosses between all pairwise combinations were carried out in order to evaluate the genetic and reproductive compatibility of these four populations. The F1 individuals developed normally and the resulting adults were crossed again to test the F2 and F3 viability. Genetic incompatibility was found between melanica and brasiliensis populations.
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