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Bt Cry1Ac resistance in Trichoplusia ni is conferred by multi-gene mutations.

Insect biochemistry and molecular biology - 1 Jan 2022

Ma Xiaoli, Shao Ensi, Chen Wenbo, Cotto-Rivera Rey O, Yang Xiaowei, Kain Wendy, Fei Zhangjun, Wang Ping

Abstract excerpt

The three-domain Cry toxin Cry1Ac from Bacillus thuringiensis （Bt） is an important insecticidal toxin in Bt sprays and has been used in transgenic Bt-crops to confer insect resistance. The cabbage looper, Trichoplusia ni, has developed resistance to Bt sprays in commercial greenhouses, and the resistance to Cry1Ac has been previously identified to be associated with altered expression of the APN1 and APN6 genes...

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PMID: 34780898
DOI: 10.1016/j.ibmb.2021.103678

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