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Schematic of the transcriptional regulation of reduced PxABCG1 expression. In the Cry1Ac resistant strain P. xylostella, a cis-acting mutation in the binding site of Antp prevents Antp binding and downregulates PxABCG1 expression, thereby enhancing larval resistance to Cry1Ac toxin. The black larva denotes larval death, and the green larva represents larval survival.
