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Figure 6 | Veterinary Research

Figure 6

From: KbvR mutant of Klebsiella pneumoniae affects the synthesis of type 1 fimbriae and provides protection to mice as a live attenuated vaccine

Figure 6

Immunized sera reduce survival rate of complement-mediated antibacterial test against K. pneumoniae. The K. pneumoniae strain NTUH-K2044 or ATCC 13,883 (106 CFU) were co-incubated with human complement with or without 10% heat-inactivated sera from pooled immunized or normal mice for 2 h at 37 °C. The survival ratio was determined using the formula = 100 ⋅ CFU of experimental wells with mice sera/CFU of control wells without mice sera. **: P < 0.01; ****: P < 0.0001.

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