pt. I. Gram Negative Foodborne Bacterial Pathogens. 1. Molecular and Cellular Biology of Salmonella Pathogenesis / Francisco Garcia-del Portillo. 2. Shigella Infections: Epidemiology, Pathogenesis and Host Immune Response / Christine Wenneras and Philippe Sansonetti. 3. The Molecular Pathogenesis of Escherichia Coli Infections / Michael S. Donnenberg and James P. Nataro. 4. Virulence Determinants of the Bacterial Pathogen Yersinia Enterocolitica: Mode of Action and Global Regulation / Marie-Paule Sory and Guy R. Cornelis. 5. Molecular Pathogenesis of Vibrio Infections / Kenneth M. Peterson. 6. Molecular Mechanisms Governing Campylobacter Pathogenicity / L.S. Mansfield and S.R. Abner -- pt. II. Gram Positive Foodborne Bacterial Pathogens.