Entomotoxins introduced into plants by recombinant DNA technology

Entomotoxins introduced into plants by recombinant DNA technology 

thuringiensis is a gram-positive bacterium that synthesizes insecticidal crystalline inclusions during sporulation. The crystalline structure of the inclusion is made up of protoxin subunits called 8-endotoxins. Most B. 

Enzyme inhibitors (serine, cysteine, a-amylase) Lepidoptera, Coleoptera, Homoptera 

Protease inhibitors (insects) Lepidoptera, Homoptera, Orthoptera 

thuringiensis was initially used as a bioinsecticide against different lepidopteran pests [14] however, due to low field-persistance, the use of Bt sprays is relatively limited. The fact that Bt toxins have little effect on 

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