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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Approximately 40% of all GM foods on sale contain DNA from a soil bacterium, which produces an insecticide (Bt toxin), causing the plant to produce this chemical.

已经上市销售的所有转基因食品的大约40%都包括来自土壤细菌的DNA，它产生一种杀虫剂(Bt毒素)，造成作物产生这种化学物。

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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