| Sumario: | A number of pathogenic bacteria utilize toxins to mediate disease in a susceptible host. The foodborne pathogen <i>Salmonella</i> is one of the most important and well-studied bacterial pathogens. Recently, whole genome sequence characterizations revealed the presence of multiple novel ADP-ribosylating toxins encoded by a variety of <i>Salmonella</i> serovars. In this review, we discuss both the classical (SpvB) and novel (typhoid toxin, ArtAB, and SboC/SeoC) ADP-ribosylating toxins of <i>Salmonella</i>, including the structure and function of these toxins and our current understanding of their contributions to virulence.
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