Besides the induction in the small intestine, strong expression of zirT::lux was apparent in the fecal pellets from both C57BL/6 (Nramp1 negative) mice that developed an acute systemic disease and 129X1/SvJ (Nramp1 positive) mice carrying a persistent Salmonella infection (Figure 9). Here, SLC11A1 is linked to Salmonella Infections.