Bacillus thuringiensis (Bt) is a spore forming(flash animation) bacterium that produces crystals protein (cry proteins), which are toxic to many species of insects
1. Insect eats Bt crystals and spores.
2.The toxin binds to specific receptors in the gut and the insects stops eating.
3. The crystals cause the gut wall to break down, allowing spores and normal gut bacteria to enter the body.
4.The insect dies as spores and gut bacteria proliferate in the body.
Frederick paul answered the question on February 25, 2019 at 13:15
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