Listeria monocytogenes is a potentially deadly food-borne pathogen that colonizes the gastrointestinal tract of several mammalian species, and can also cause invasive disease and systemic spread if it crosses the intestinal epithelial barrier. Listeria monocytogenes evolved two major molecular invasion proteins, referred to here as invasins: Internalin A (InlA, Internalin) and Internalin B (InlB). These proteins promote internalization into nonphagocytic cells where Listeria monocytogenes can grow in the cytosol...
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