BACKGROUND
The probiotic Escherichia coli strain Nissle 1917 (EcN) has been shown to interfere in a human in vitro model with the invasion of several bacterial pathogens into epithelial cells, but the underlying molecular mechanisms are not known.
METHODOLOGY/PRINCIPAL FINDINGS
In this study, we investigated the inhibitory effects of EcN on Salmonella Typhimurium invasion of porcine intestina...
