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. 2016 Dec 8;7(12):e2519. doi: 10.1038/cddis.2016.413

Figure 7.

Figure 7

YopM E3 ligase activity is important for bacterial virulence. (a) Groups of 15 male and female mice were challenged by intravenous injection of 100 CFU WT, ΔYopM, ΔYopM/YopM, or ΔYopM/YopM C68A Y. pestis and monitored over 10 days for development of disease. Data shown were collected in two independent experiments, n=15 mice per group in each experiment. (b) Lung, liver, or spleen from mice infected with WT, ΔYopM, ΔYopM/YopM, or ΔYopM/YopM C68A strains for 3 days were subjected to histopathological analysis by staining with HE. Each micrograph shows an example of the pathology caused by each strain. Data shown are representative from two independent experiments (n=5 mice per strain). (c) Mean severity scores for histopathology of lungs, liver, and spleen from mice infected with different background of bacteria strains on day 3