For Bt (Bacillus Thuringiensis) we have terms and definitions in 2 topics. The topics are Biotechnology and Food and Health.

A naturally occuring bacteria that produces a protein toxic to certain types of insects. The gene for this toxin-protein has been cloned and used to transform crop plants, thereby making them more resistant to the corresponding insect.
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One of the most common microorganisms used in biologically-based pesticides is the Bacillus thuringiensis or Bt bacterium. Several of the proteins produced by the Bt, principally in the coating the bacteria forms around itself, are lethal to individual species of insects. By using Bt in pesticide formulations, target insects can be controlled using an environmentally benign, biologically-based agent. Bt-based insecticides have been widely used by home gardeners for many years as well as on farms.
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