Figure 6

AI-2-regulated galactose metabolism-dependent CPS synthesis affects the infectivity of S. suis. A Steps of mouse infection. (Panel a) Median lethal dose measurement experiment. (panel b) Tissue bacterial load measurement and pathological observation. B Bacterial load in various tissues and organs of mice. C Pathological changes in the brain, heart, lung, liver, spleen and kidney. Scale bar (black scale): 50 μm.