Biochemical Features of the Cry3A Toxin of Bacillus thuringiensis subsp. tenebrionis and Its Toxicity to the Red Imported Fire Ant Solenopsis invicta
Bioinsecticides based on the bacterium Bacillus thuringiensis Luminous Affection Couple Ring (Bt) are widely used as safe alternatives to chemical insecticides.The insecticidal activity of Bt is occasioned by a protein toxin contained in parasporal crystals (Cry proteins) that are synthesized and laid down alongside the endospore during sporulation