The effect of some Frescon analogs on the aquatic snail,Lymnaea stagnalis: II. Correlation of neurotoxicity to Molluscicidal effectiveness |
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Authors: | BL Brezden DR Gardner |
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Institution: | Department of Biology, Carleton University, Ottawa, Ontario K1S 5B6, Canada |
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Abstract: | Although the molluscicide Frescon is a strong neurotoxin to the Lymnaea stagnalis central nervous system in vitro, it is probable that the exposure of the whole animal to this molluscicide fails to result in central nervous system abnormalities: Frescon does not appear to reach the brain in sufficient quantity to disrupt its normal activity. However, only those Frescon analogs found to be neurotoxic were molluscicidal, suggesting some related mode, if not site, of action. Frescon and its analogs may act by affecting excitable tissues other than the nervous system (e.g., the snail musculature) by altering certain functional and/or structural membrane properties. |
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Keywords: | Send reprint requests to Dr D R Gardner Department of Biology Carleton University Ottawa Ontario K1S 5B6 Canada |
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