Significance:
•Antibiotic production: Many bacilli produce antibiotics such as polymixin, tyrocidineand bacitracin.
•Toxic insecticides: Paenibacilluspopilliaeproduces toxin causing milky disease in Japanese beetle larvae.
•Human pathogens: Clostridium tetanicauses tetanus.
•Medical applications: Clostridium botulinumproduces botulinum(botox) toxin.