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What is "cry 1 Ac" gene? Write the source of this gene?
Cry1Ac protoxin is a crystal protein produced by the bacterium Bacillus thuringiensis (Bt) during sporulation. Cry1Ac is one of the delta endotoxins produced by this bacterium which act as insecticides. Because of this, the genes for these have been introduced into commercially important crops by genetic engineering (e.g. cotton and tomato by Monsanto) in order to confer pest resistance on those plants.


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