Miracidia of an Egyptian Strain of Schistosoma mansoni Differentiate Between Sympatric Snail Species

A. H M. Hassan; B. Haberl; J. Hertel; W. Haas

doi:10.1645/GE-85R

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A. H M. Hassan,¹ B. Haberl,² J. Hertel,² W. Haas³

¹Department of Zoology, Sohag Faculty of Science, South Valley University, Sohag, Egypt
²Institute for Zoology, University Erlangen-Nürnberg, Staudtstrasse 5, D-91058 Erlangen, Germany
³To whom correspondence should be addressed. whaas@biologie.uni-erlangen.de

Abstract

The host-finding behavior of miracidia of 2 strains of Schistosoma mansoni from Egypt and Brazil was studied by recording their responses to snail-conditioned water (SCW) from the Egyptian sympatric snails, Biomphalaria alexandrina, Physa acuta, Lymnaea cailliudi, and Bulinus truncatus, as well as from Biomphalaria arabica and Biomphalaria glabrata. Miracidia of the Egyptian strain significantly preferred SCW from their compatible hosts B. alexandrina and B. arabica and showed no or a weak response to SCW from the other sympatric species, whereas miracidia of the Brazilian strain did not differentiate between SCW from different snail species.

Citation Download Citation

A. H M. Hassan, B. Haberl, J. Hertel, and W. Haas "Miracidia of an Egyptian Strain of Schistosoma mansoni Differentiate Between Sympatric Snail Species," Journal of Parasitology 89(6), 1248-1250, (1 December 2003). https://doi.org/10.1645/GE-85R

Published: 1 December 2003

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