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Type: Artigo de periódico
Title: Genetic Selection Of Biomphalaria Glabrata And Biomphalaria Tenagophila Seeking The Alteration Of The Susceptibility And Resistance To The Schistosoma Mansoni [seleção Genética De Biomphalaria Glabrata E Biomphalaria Tenagophila Visando A Alteração Da Suscetibilidade E Resistência Ao Schistosoma Mansoni]
Author: Borim Zuim N.R.
Zanotti-Magalhaes E.M.
Magalhaes L.A.
Linhares A.X.
Abstract: Generations of Biomphalaria glabrata and Biomphalaria tenagophila selected genetically for resistance and susceptibility to Schistosoma mansoni of strains BH and SJ were used in a study of the trematode adaptation to the intermediate host. Descendants of the planorbids were obtained by self-fertilization of the mollusks that became susceptible or resistant after exposure to the miracidia of Schistosoma mansoni. For Biomphalaria glabrata they were obtained from the following generations: Parental, F1S (Susceptible), F1R (Resistant), F2S and F2R. For Biomphalaria tenagophila the studied generations were: Parental, F1S, F1R and F 50S. The comparison of the infection rates presented by the different generations showed that the increase in susceptibility was more easily obtained in both species. The difficulty in increasing the resistance of the mollusks to Schistosoma mansoni has important epidemiologic implications.
Rights: aberto
Identifier DOI: 
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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