Fig. 6

Vaccination with S. aureus expressing FnbAB is protective against a challenge with a purR mutant. a Vaccination scheme, with six animals per group. b Survival of animals challenged with 1 × 107 CFU of WT or purR::ΦNΣ S. aureus following vaccination, as outlined in a. *p-value < 0.05, **p-value < 0.01, based on a Mantel-Cox test, as compared to WT vaccinated, purR::ΦNΣ challenged animals. c Whole cell lysate of WT, WT pfnbA or WTΔfnbAB were used for a western blot, with serum from vaccinated animals or a rabbit anti-Fnb serum (far right) used as a primary antibody