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Published on: May 26, 2023
A Standardized Lepidopteran Bioassay to Investigate the Bioactivity of Insecticidal Proteins Produced in Transgenic
Gerson Graser1, Frederick S Walters2
1Syngenta Crop Protection, LLC., 3054 E. Cornwallis Road, 12257, Research Triangle Park, NC, 27709, USA. gerson.graser@syngenta.com.
Abstract:
Insecticidal bioassays are the only reliable method to investigate the biological activity of an insecticidal protein and therefore provide an essential toolkit for the characterization and potency determination of these proteins. Here we present a standardized method for a lepidopteran larval bioassay, which is optimized to specifically estimate activity of insecticidal proteins produced in transgenic plants. The treatment can be either applied to the surface of the artificial diet, or blended into the diet.

