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. 1986;85(2):433-6.
doi: 10.1016/0742-8413(86)90221-5.

Cholinergic antagonists in a solitary wasp venom

T Piek, P Mantel

Cholinergic antagonists in a solitary wasp venom

T Piek et al. Comp Biochem Physiol C Comp Pharmacol Toxicol. 1986.

Abstract

The venom of the solitary wasp Philanthus triangulum contains a cholinergic antagonist of the nicotinic receptor of the rectus abdominis muscle of the frog, Xenopus laevis. The venom of African P. triangulum contains two different cholinergic factors, a competitive and a non-competitive antagonist. The venom of the European P. triangulum may not contain a competitive antagonist of the nicotinic receptor of X. laevis, but only a very strong non-competitive antagonist. The possible non-synonymity of both groups of P. triangulum is discussed.

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