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What are Bt proteins?

April 26, 2017Bacillus thuringiensisBacillus thuringiensis BT Proteins

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What are Bt proteins?

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Bt stands for the naturally occurring bacterium Bacillus thuringiensis. Bt lives in the soil and is found all over the world. Some types of Bt produce a protein crystal that is toxic to insects. These protein crystals have been used in organic farming for over 50 years to control insects. The genes producing these proteins are now engineered so that plants can make the protein in their cells.