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Published on: March 14, 2014
EFFECT OF TRYPSIN INHIBITORS AND CONCANAVALIN A ON BUFO ARENARUM FERTILIZATION
J S Raisman1, M I Mariano1, M O Cabada1
1Instituto de Biología, Facultad de Bioquímica, Quimíca y Farmacia, Universidad Nacional de Tucumán, Tucumán, R. Argentina.
Abstract:
The presence of some trypsin inhibitors (soybean trypsin inhibitor and lima bean trypsin inhibitor) in the inseminating media, is effective in blocking Bufo arenarum fertilization. Ovomucoid does not significantly affect fertilization, even at concentrations as high as 10 mg/ml. Similarly the presence of Concanavalin A in the inseminating media results in fertility impairment. The possible mechanisms of action of these substances are discussed.

