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Secondary metabolites produced by Fusarium spp. including beauvericin, enniatin and moniliformin are mycotoxins identified in cereal samples. The two cyclohexadepsipeptide mycotoxins beauvericin and enniatin have cytotoxic, antibiotic, insecticidal and ionophoric properties, while moniliformin primarily acts as a cardiotoxic mycotoxin. In this study, we examined the electromechanical and electrophysiological...
The electromechanical and -physiological effects of beauvericin were studied in isolated smooth and heart muscle preparations of the guinea pig. Beauvericin concentration-dependently decreased the force of contraction in precontracted (60 mM KCl) terminal ilea with an IC50 of 0.86 μM, and in electrically stimulated (1 Hz) papillary muscles with an IC50 of 18 μM. This negative inotropic effect in papillary...
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