Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/92996
Type: Artigo de periódico
Title: Behaviour Of Albino And Melanic Variants Of Biomphalaria Glabrata Say, 1818 (mollusca: Planorbidae) Following Infection By Schistosoma Mansoni Sambon, 1907 [comportamento De Biomphalaria Glabrata Variantes Albina E Melânica Frente à Infecção Pelo Schistosoma Mansoni]
Author: Allegretti S.M.
Carvalho J.F.
Magalhaes L.A.
Zanotti-Magalhaes E.M.
Abstract: The behaviour of the albino and melanic variants of Biomphalaria glabrata of Belo Horizonte (MG. Brazil) was studied comparatively, in terms of their respective susceptibilities to infection by Schistosoma mansoni of the same origin, through observation of the elimination of cercariae for a three-month period and the calculation of mortality and infection rates, in control and in infected snails. The number of amoebocytes, granulocytes and hyalinocytes in the circulating hemolymph during different periods of infection was analyzed. The evolution of the infection in the tissues was observed by means of histological cross-sections. The melanic variant showed greater susceptibility to infection and a higher mortality rate. The albino variant showed a higher number of circulating amoebocytes, both granulocytes and hyalinocytes. A higher number of degenerated sporocysts were seen in the histological cross-sections of the albino variant. The results suggest that the melanic variant of B. glabrata was more susceptible to infection by S. mansoni than was the albino variant.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-65449137618&partnerID=40&md5=33ef32fcb10984200ee6b7b7ab349a5e
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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