Pertussis Toxin and Virulence Factors, List Biological

Pertussis toxin (PT), a virulence factor produced by Bordetella pertussis, is a multi-subunit toxin which binds to most cultured mammalian cells and targets specific G protein, inhibiting the ability of the G protein to function in signaling pathways

Depending on the function of the G protein, the effects of PT can vary. This ability to inhibit pathways utilizing the Gi family of protein-coupled receptors is the basis of the use of PT as a tool in cell biology. PT plays a role in infection by suppressing and modulating various host immune responses to Bordetella pertussis. PT has been used to stimulate experimental autoimmune diseases in rodent models, such as experimental auto immune encephalitis (EAE).

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