Abstract
The mechanism by which bacterial toxins alter or interfere with secretion mechanisms are addressed in this chapter. After a brief description of the general mechanism of bacterial exotoxins, examples of key toxins affecting neurosecretion are commented upon. These comprise the botulinum and tetanus neurotoxins (BoNT and TeNT), which are toxins that divert synaptic vesicle (SV) recycling to enter nerve endings, and impair exocytosis by cleaving the soluble N-ethyl-maleimide-sensitive-factor attachment receptors (SNAREs). Given the important role of Rho, Rac, CDC42 GTPase, and F-actin in the vesicle/granule intracellular traffic and secretion processes, we address several examples of key bacterial cytotoxins affecting their cellular functions. We also briefly comment on the action of a few bacterial toxins that potentiate release of neurotransmitters.
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Key References: See Main List for Reference Details
Key References: See Main List for Reference Details
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Poulain, B., Doussau, F. (2020). How Do Bacterial Neurotoxins Affect Neurosecretion?. In: Lemos, J., Dayanithi, G. (eds) Neurosecretion: Secretory Mechanisms. Masterclass in Neuroendocrinology, vol 8. Springer, Cham. https://doi.org/10.1007/978-3-030-22989-4_12
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