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Bacillus thuringiensis
(redirected from Bt toxin)

    Also found in: Wikipedia 0.09 sec.

Bacillus thuringiensis

Soil bacterium that produces pesticidal toxins. Once in the gut of an insect larva, the bacteria produce crystalline toxins that eventually cause the gut to become fatally paralysed. A gene from B thuringiensis was inserted into US maize plants in 1995, to produce genetically modified maize with built-in resistance to the European corn-borer.



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Other GMOs include Bovine Growth Hormone, also known as rbGH, which increases milk production when injected into cows and Bacillus Thuringiensis, or Bt toxin, which is often found in potatoes.
Cloning and GMO foods: Jennifer Lapidus gives us the early 2007 ... by Lapidus, Jennifer / New Life Journal
Soon after Bt corn’s introduction in 1996, many anti-GMO groups fretted that the high-dose Bt toxin found in Bt corn would somehow harm the natural soil microbes that break down and rot waste plant materials.
Conquer Today's New Residue Challenges by Wenzel, Wayne / Farm Journal
In corn ears harvested from the supposed Bt-free zone, researchers found that the amount of Bt toxin decreased as the distance from the Bt-corn increased.
Rethinking refuges? Drifting pollen may bring earlier pest resistance ... by Milius, S. / Science News
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