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. 2018 Aug 7;9:1678. doi: 10.3389/fmicb.2018.01678

FIGURE 3.

FIGURE 3

Serum sensitivity assay. (A) P. multocida strain HB03 mixed with depolymerase was incubated with mouse serum or whole-blood. (B) P. multocida strain HB03 with depolymerase was incubated with human serum. The mixtures were incubated at 37°C for 2 h. The number of viable bacteria was determined by plating and enumeration of serial dilutions of the suspension. Assays were repeated at least three times. Experimental data were analyzed by one-way analysis of variance and are expressed as the mean ± SD. The viable cell counts in each of the treatment groups were compared with that of the PBS control, with significant differences indicated by P < 0.05; ∗∗P < 0.01; and ∗∗∗P < 0.001.