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Pesticide Toxicology Laboratory

ISU Entomology / Pesticide Toxicology Laboratory / The toxicity of two Bacillus thuringiensis delta-endotoxins to gypsy moth larvae is inversely related to the affinity of binding sites on midgut brush border membranes for the toxins

The toxicity of two Bacillus thuringiensis delta-endotoxins to gypsy moth larvae is inversely related to the affinity of binding sites on midgut brush border membranes for the toxins

Authors: Wolfersberger, M.G.
Journal, Volume, Year: Experientia, volume 46:475-477, 1990
Summary

The increased potency to gypsy moth larvae of Btk strain HD1-9 compared to strain HD-73 was determined to be caused by the greater binding affinity of HD-73 to the brush border membrane of larval gypsy moth midguts.

Comments

Evaluation of toxicity versus binding affinity is interesting.