Route of Injection Affects the Impact of InlB Internalin Domain Variants on Severity of Listeria monocytogenes Infection in Mice

Figure 3

Impact of id InlB variants 9 and 14 on colonization of the intestine. Bacterial loads in Peyer’s patches (a) and villous epithelium (b) were determined for groups of 5 BALB/c mice infected intragastrically with 10⁸ CFU of EGDeΔinlB::InlB9 (idInlB9) and EGDeΔinlB::InlB14 (idInlB14).

(a)

(b)