Name given to a living culture of Bacillus thuringiensis which is harmless to human beings but kills insect pests. Known as a microbial insecticide. Used to treat certain foods and fodder crops to destroy pests such as corn earworm, flour moth, tomato fruit worm, cabbage looper, etc. The bacillus is mass-produced and stored like a chemical. Transgenic plants containing genes for individual insecticidal proteins produced by B. thuringiensis are resistant to attack by specific insect pests.
Subjects: Medicine and Health.