Author | Mello-Silva, Clélia Christina | |
Author | Grault, Carlos Eduardo | |
Author | Costa, Valdir Almeida da | |
Author | Barbosa, Frederico Simões | |
Access date | 2018-07-30T14:53:51Z | |
Available date | 2018-07-30T14:53:51Z | |
Document date | 1998 | |
Citation | MELLO-SILVA, Clélia Christina et al. Possible hybridization of brazilian planorbid snails and its importance in population dynamics. Mem. Instituto Oswaldo Cruz, Rio de Janeiro, v. 93, supl. 1, p. 227-232, 1998. | pt_BR |
ISSN | 0074-0276 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/27713 | |
Language | eng | pt_BR |
Publisher | Casa de Oswaldo Cruz/Fiocruz | pt_BR |
Rights | open access | pt_BR |
Title | Possible hybridization of brazilian planorbid snails and its importance in population dynamics | pt_BR |
Type | Article | pt_BR |
DOI | 10.1590/S0074-02761998000700040 | |
Abstract | This study focuses on the possibility of experimental hybridization among host snail species for Schistosoma mansoni in Brazil, with morphological characterization of the hybrids found. By using albinism as a genetic marker, intraspecific crossbreedings were performed between two strains of each species involved, in addition to interspecific crossbreedings; the only viable crossbreeding was between pigmented Biomphalaria glabrata (Paulista, PE) and albino B. tenagophila (Joinville, SC), with the formation of F1 and F2 generations. All offspring in F1 displayed black eyes and a renal ridge on the mantle, while F2 displayed dissociated morphological traits. With regard to reproduction, F1 was more efficient than F2. The experiment's results suggest post-zygotic reproductive isolation. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sergio Arouca. Departamento de Ciências Biológicas. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Escola Nacional de Saúde Pública Sergio Arouca. Departamento de Ciências Biológicas. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Nacional de Saúde. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Aggeu Magalhães. Recife, PE, Brasil. | pt_BR |
Subject | Schistosomiasis | pt_BR |
Subject | Biomphalaria | pt_BR |
Subject | Hybridization | pt_BR |
DeCS | Biomphalaria | pt_BR |
e-ISSN | 1678-8060 | |