Table 3.

Uptake by bovine macrophages and intracellular survival of Salmonella serovar Typhimurium (wild type grown to the stationary phase and a sipB mutant) at 1 and 6 h postinfection

StrainCFU (106)/well at the following hour postinfectiona:Ratio of 1-h to 6-h values (%b)
16
Wild type1.583 ± 0.032.403 ± 0.5821.518 (151.8)
sipBmutant1.063 ± 0.0701.061 ± 0.2380.998 (99.81)
  • a Values are means and standard deviations (n = 3).

  • b Rate of intracellular survival from 1 h to 6 h postinfection.