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. 2020 May 13;11:798. doi: 10.3389/fmicb.2020.00798

FIGURE 5.

FIGURE 5

Results of serum resistance assay. (A) Comparison of survival rates in human serum between CL-S and CL-IR strains. (B) Survival rates of CL-chrR and CL-mcrR strains in human serum were compared with that of E. coli reference strain MG1655. (C) Comparison of survival rates in human serum among CL-S, CL-IR, CL-chrR, and CL-mcrR strains. (D) Survival rates of TC-mcr strains in human serum were compared with that of their recipient strain, J53. The error bars indicate the standard deviations. Statistics were conducted with unpaired, two-tailed t-tests. *P ≤ 0.05; **P ≤ 0.01; ***P ≤ 0.0001; ns, not significant.