CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Botulism bacteria. Light micrograph of botulism bacteria (Clostridium botulinum). These bacteria occur naturally in soil. They produce botulinum toxin, a powerful neurotoxin that can be ingested on contaminated, improperly cooked food. The neurotoxin poisons the central nervous system and can cause lethal heart or lung failure. Gram stain. Magnification: x500 at 35mm size.
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