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Biomphalaria glabrata: changes in calcium reserves following parasitism by larval Schistosoma mansoni

Published online by Cambridge University Press:  06 April 2009

M. K. Shaw  and
D. A. Erasmus
M. K. Shaw
Affiliation:
Department of Zoology, University College, P.O. Box 78, Cardiff CF1 1XL, Wales
D. A. Erasmus
Affiliation:
Department of Zoology, University College, P.O. Box 78, Cardiff CF1 1XL, Wales
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Summary

Larval Schistosoma mansoni have been shown to induce morphological changes to the internal calcium reserves (in particular the calcareous inclusions in Type A calcium cells and to the inner, nacreous layer of the shell) of Biomphalaria glabrata within 48 h of miracidial penetration. Control experiments have shown that these changes were not due to either the experimental procedures used, mechanical damage or to starvation effects. The effects were, however, analogous to experimentally induced acidosis, suggesting that the rapidly transforming miracidium-sporocyst quickly induces changes in the host's metabolism, presumably by the production and release of CO2 and waste metabolites into the haemolymph.

Type
Research Article
Information
Parasitology , Volume 95 , Issue 2 , October 1987 , pp. 267 - 276
Copyright
Copyright © Cambridge University Press 1987

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