What do ‘cry genes’ in Bacillus thuringiensis code for? State its importance for cotton crop
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upon sporulation, B. thuringiensis from crystals of proteinaceous insecticidal endotoxins (called crystal proteins or cry proteins) which are encoded by cry genes
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They are homologous genes found in Bacillus thuringiensis that produce toxic molecules against specific pests and insects. These toxic proteins are crystalline and help create pores and lyse midgut cells in insects. Hence, this property was utilized in plants to create protection against pests and insects.
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