Possible mechanisms of the decoy effect in Schistosoma mansoni transmission |
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| Authors: | C Combes H Moné |
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| Institution: | 1. Department of Biology, University of Kentucky, Lexington KY 40506 USA;1. Biology, The Life Science Center, School of Science and Technology, Örebro University, SE-701 82 Örebro, Sweden;2. BioImpakt AB, Drevevägen 18C, SE-70510 Örebro, Sweden;3. Envix Nord AB, Kylgränd 4 A, SE-906 20 Umeå, Sweden;1. Marine Benthic Ecology and Evolution, Centre for Ecological and Evolutionary Studies, University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands;2. Community and Conservation Ecology, Centre for Ecological and Evolutionary Studies (CEES), University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands;3. Department of Aquatic Ecology & Environmental Biology, Nijmegen University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands;4. Animal Ecology Group, Centre for Ecological and Evolutionary Studies (CEES), University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands;5. Department of Marine Ecology, NIOZ Royal Netherlands Institute for Sea Research, NL-1790 AB Den Burg, Texel, The Netherlands |
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| Abstract: | Combes C. and Moné H. 1987. Possible mechanisms of the decoy effect in Schistosoma mansoni transmission. International Journal for Parasitology17: 971–975. Three main possible mechanisms of the decoy effect have been showed in Schistosoma mansoni transmission: (1) miracidia penetrated into the non-target molluscs and then degenerated; (2) miracidia were exhausted by trying to penetrate the nontarget molluscs, excitation of miracidia was more specific than the penetration behaviour; (3) the defense mechanisms of the target mollusc Biomphalaria glabrata were stimulated by the miracidia that have been in contact with non target molluscs. The authors concluded in classifying the molluscs in three types of ranges: interference range, penetration range, and developmental range. |
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