The major virulence factor of *Clostridium botulinum* is BoNT which binds to motor neurons. This inhibits neurotransmitter release. This causes paralysis. 

University of Wisconsin - Madison

*Clostridium botulinum* can cause the illness botulism by producing the BoNT toxin.

*Clostridium botulinum*

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

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OpenStax Microbiology Textbook

The characteristic symptom of botulism is loss of muscle activity which causes muscle relaxation and paralysis.

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