Please use this identifier to cite or link to this item:
https://www.arca.fiocruz.br/handle/icict/40640
Type
ArticleCopyright
Open access
Collections
- IOC - Artigos de Periódicos [12596]
Metadata
Show full item record
ANALYSIS OF REPRODUCTIVE ISOLATION BETWEEN SIBLING SPECIES ANOPHELES ALBITARSIS SENSU STRICTO AND ANOPHELES DEANEORUM, TWO MALARIA VECTORS BELONGING TO THE ALBITARSIS COMPLEX (DIPTERA: CULICIDAE)
Anopheles albitarsis
Especiação
Regra de Haldanes
Esterilidade híbrida
Affilliation
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Entomologia Rio de Janeiro, RJ, Brasil / Instituto de Biologia do Exército. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Entomologia Rio de Janeiro, RJ, Brasil / Instituto de Biologia do Exército. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Bioquímica e Biologia Molecular. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Entomologia Rio de Janeiro, RJ, Brasil / Instituto de Biologia do Exército. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Bioquímica e Biologia Molecular. Rio de Janeiro, RJ, Brasil.
Abstract
Complexes of sibling species are common among mosquitoes, and their existence within vector species can have important epidemiological consequences. Anopheles albitarsis sensu stricto and Anopheles deaneorum Rosa-Freitas are two putative vectors of malaria parasites belonging to the Albitarsis species complex (Diptera: Culicidae). Using an induced mating technique, we studied the reproductive isolation between these two closely related species and their reciprocal hybrids. Evidence for hybrid male sterility consistent with Haldane's rule was found. The results indicate that male hybrids show very low insemination rates, probably due to abnormalities in their reproductive organs. In addition, the data show that hybrid males carrying an X chromosome derived from An. deaneorum perform significantly worse than hybrid males carrying an An. albitarsis s.s. X chromosome.
Keywords in Portuguese
MaláriaAnopheles albitarsis
Especiação
Regra de Haldanes
Esterilidade híbrida
Share