Relationship Between The Pathogenicity Of Schistosoma Mansoni In Mice And The Susceptibility Of The Vector Mollusk. Iv - Infectiousness Of The Miracídia [relação Entre Patogenicidade Do Schistosoma Mansoni Em Camundongos E Susceptibilidade Do Molusco Vetor. Iv - Infecciosidade Dos Miracidios]

dc.creatorZanotti-Magalhaes E.M.
dc.creatorMagalhaes L.A.
dc.creatorDe Carcalho J.F.
dc.date1997
dc.date2015-06-30T14:47:18Z
dc.date2015-11-26T14:38:10Z
dc.date2015-06-30T14:47:18Z
dc.date2015-11-26T14:38:10Z
dc.date.accessioned2018-03-28T21:43:01Z
dc.date.available2018-03-28T21:43:01Z
dc.identifier
dc.identifierRevista De Saude Publica. , v. 31, n. 5, p. 488 - 494, 1997.
dc.identifier348910
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0041885694&partnerID=40&md5=cf606ba6180c6d8b11e3b04f561e99de
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/99970
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/99970
dc.identifier2-s2.0-0041885694
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1249460
dc.descriptionThe infection ability of miracidia of BH and SJ strains of S. mansoni, obtained from mice infected with cercariae taken from Biomphalaria glabrata and Biomphalaria tenagophila, genetically selected for susceptibility is compared with the infection ability of miracidia obtained from mice infected with larvae from non-selected mollusks. Progeny of S. mansoni resulting from successive infections of selected mollusk sproduced various generations of selected miracidia, Selecion of B. glabrata and B. tengophila was carried out by autofertilization of mollusks susceptible to the BH and SJ strains of S. mansoni. Five generations of mollusks (from parental down to F4), were used in the experiment. Tests for the infectiousness of the miracidia used 10 larvae; susceptibility was checked starting on day 30 after infection, for 90 days, through observation for the presence of cercariae. The results showed that susceptibility of the selected mollusks in the face of the respective sympatric strains was not altered by the selection process of S. mansoni. However F4 miracidia of the BH strain were more infectant for non-selected B. glabrata than parental miracidia of the same strain. Miracidia of BH and SJ strains, parental generation, and BH strain, F3 generation, showed the same infectiousness in selected B. glabrata. Nevertheless, these mollusks had distinct infection rates from allopatric selected miracidia (SJ strain, F4 generation). The generation of successive infections of S. mansoni SJ in selected B. tenagophila resulted in the adaptation of the worm strain to the species of mollusk. B. tenagophila was never susceptible to the BH strain, even when selected mollusks and trematodes were employed. The susceptibility/infectiousness of the pair B. tenagophila-SJ S. mansoni strain was only changed by the selection process of the mollusks. As non-selected B. glabrata were more intensively infected by selected BH miracidia than by non-selected BH miracidia, one is led to surmise that the, greater pathogenicity of S. mansoni from susceptible mollusks implies the greater infection ability of these miracidia.
dc.description31
dc.description5
dc.description488
dc.description494
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dc.descriptionZanotti-Magalhães, E.M., Magalhães, L.A., Carvalho, J.F., Relação entre a patogenicidade do Schistosoma mansoni em camundongos e a susceptibilidade do molusco vetor. III. Mortalidade , pesos corporal e das vísceras (1995) Rev. Saúde Pública, 29, pp. 265-270
dc.languagept
dc.publisher
dc.relationRevista de Saude Publica
dc.rightsaberto
dc.sourceScopus
dc.titleRelationship Between The Pathogenicity Of Schistosoma Mansoni In Mice And The Susceptibility Of The Vector Mollusk. Iv - Infectiousness Of The Miracídia [relação Entre Patogenicidade Do Schistosoma Mansoni Em Camundongos E Susceptibilidade Do Molusco Vetor. Iv - Infecciosidade Dos Miracidios]
dc.typeArtículos de revistas


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