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. 2017 Oct 12;8:1983. doi: 10.3389/fmicb.2017.01983

FIGURE 1.

FIGURE 1

S. Tm overcomes microbiota-mediated colonization resistance in the intestinal tract. (A) The cumulative effects of T3SS-1/T3SS-2-induced inflammation lead to robust colonization of the intestinal tract and efficient transmission to a new host. (B) S. Tm utilizes the T3SS-1 and T3SS-2 to generate a robust host immune response within the intestinal tract to eliminate members of the microbiota. (C) T3SS-1/T3SS-2-induced inflammation leads to the production of metabolites such as electron acceptors including oxygen, nitrate, and tetrathionate that promote aerobic and anaerobic respiration. T3SS, type III secretion system; T6SS, type VI secretion system.