This Week in Science: Dec 7, 2007

Dec 07, 2007

In this week’s Science, researchers at the Autonomous National University of Mexico created modified Bt toxins that could kill Bt-resistant insects. Their work, which involved deleting one alpha-helix from Bt toxin Cry1Ab, showed that cadherin deletion mutations in pests confers resistance to Bt toxin, and that engineered Bt toxins can overcome this resistance.

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