C. botulinum B 111 bontb

Clostridium botulinum is a Gram-positive, rod-shaped, anaerobic, spore-forming, motile bacterium with the ability to produce a neurotoxin known as botulinum. The botulinum toxin can cause a severe flaccid paralytic disease in humans and other animals[2] and is the most potent toxin known to humankind, natural or synthetic, with a lethal dose of 1.3–2.1 ng/kg in humans