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. 2018 May 25;9:1084. doi: 10.3389/fmicb.2018.01084

FIGURE 1.

FIGURE 1

Effect of Sip2 on bacterial resistance against serum damage. (A) Escherichia coli BL21/pETSip2 (expressing Sip2) and BL21/pET259 (control) were treated with normal or inactivated tongue sole serum for 1 h, and bacterial survival was determined. (B) Edwardsiella tarda TX01, TX01Δsip2, and TX01Δsip2/sip2 were treated with tongue sole serum as above, and bacterial survival rate was determined. Data are the means of three independent experiments and presented as means ± SEM. Values with different letters indicate significantly different (P < 0.05).