Resistance to Bt toxins in some insects is linked with mutations that disrupt a toxin-binding cadherin protein.

一些抗苏云金杆菌毒素的昆虫的抗性是和毒素结合钙粘蛋白的断裂相关。

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Insect-resistant corn containing the BT toxin, derived from a bacterium and used in organic farming, does kill butterflies and other good insects but far less than 1% of them.

FORBES: Green Genes

Herbicide tolerant crops are made resistant to a proprietary weedkiller, while Bt crops include genes that produce an insect-killing toxin.

BBC: UK urged to lead on future food