Sequence variation in trypsin- and chymotrypsin-like cDNAs from the midgut of Ostrinia nubilalis: methods for allelic differentiation of candidate Bacillus thuringiensis resistance genes.

Abstract excerpt

Midgut expressed alkaline serine proteases of Lepidoptera function in conversion of Bacillus thuringiensis (Bt) protoxin to active toxin, and reduced level of transcript T23 is associated with Ostrinia nubilalis resistance to Dipel Bt formulations. Three groups of trypsin- (OnT25, OnT23, and OnT3...

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