ArticleBMC evolutionary biology2013
Evidence for the occurrence of two sympatric sibling species within the Anopheles (Kerteszia) cruzii complex in southeast Brazil and the detection of asymmetric introgression between them using a multilocus analysis.
Article in BMC evolutionary biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed.
- Anopheles (Kerteszia) cruzii, the main malaria vector in the Brazilian Atlantic Forest, is a complex of at least five cryptic species.Communications biology · 2026Article
- High Levels of Diversity inGenes · 2023Article
- The influence of anthropogenic habitat fragmentation on the genetic structure and diversity of the malaria vector Anopheles cruzii (Diptera: Culicidae).Scientific reports · 2020Article
- Phylogeny ofInsects · 2020Article
- Novel molecular evidence of population structure in Anopheles (Kerteszia) bellator from Brazilian Atlantic Forest.Memorias do Instituto Oswaldo Cruz · 2019Article
- Cryptic diversity in an Atlantic Forest malaria vector from the mountains of South-East Brazil.Parasites & vectors · 2018Article
- Molecular taxonomy provides new insights into anopheles species of the neotropical arribalzagia series.PloS one · 2015Article
- Sex and rhythms in sandflies and mosquitoes: an appreciation of the work of Alexandre Afranio Peixoto (1963-2013).Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2014Review
- Malaria in Brazil: what happens outside the Amazonian endemic region.Memorias do Instituto Oswaldo Cruz · 2014Article
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Abstract
backgroundAnopheles (Kerteszia) cruzii (Diptera: Culicidae) is a primary vector of human and simian malaria parasites in southern and southeastern Brazil. Earlier studies using chromosome inversions, isoenzymes and a number of molecular markers have suggested that An. cruzii is a species complex.
resultsIn this study, a multilocus approach using six loci, three circadian clock genes and three encoding ribosomal proteins, was carried out to investigate in more detail the genetic differentiation between the An. cruzii populations from Florianópolis-Santa Catarina (southern Brazil) and Itatiaia-Rio de Janeiro States (southeastern Brazil). The analyses were performed first comparing Florianópolis and Itatiaia, and then comparing the two putative sympatric incipient species from Itatiaia (Itatiaia A and Itatiaia B). The analysis revealed high FST values between Florianópolis and Itatiaia (considering Itatiaia A and B together) and also between the sympatric Itatiaia A and Itatiaia B, irrespective of their function. Also, using the IM program, no strong indication of migration was found between Florianópolis and Itatiaia (considering Itatiaia A and B together) using all loci together, but between Itatiaia A and Itatiaia B, the results show evidence of migration only in the direction of Itatiaia B.
conclusionsThe results of the multilocus analysis indicate that Florianópolis and Itatiaia represent different species of the An. cruzii complex that diverged around 0.6 Mya, and also that the Itatiaia sample is composed of two sympatric incipient species A and B, which diverged around 0.2 Mya. Asymmetric introgression was found between the latter two species despite strong divergence in some loci.
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