TABLE 5.
Recovery of bacteria from the liver and cecum of mice infected with derivatives of S. enterica serovar Typhimurium strain ATCC 14028
| Inoculum mixture | Proportion (%) of parent strain in inoculum | Challenge dose (CFU/mouse)a | Proportion (%) of parent strain recovered from:
|
|
|---|---|---|---|---|
| Cecum | Liver | |||
| WR1727 (fepA iroN) + ATCC 14028 | 54 | 104 | 48 | 46 |
| 105 | 49 | 52 | ||
| WR1728 (fepA iroN cir) + ATCC 14028 | 46 | 104 | >96 | >96 |
| 105 | >96 | >96 | ||
| 1 | 105 | >96 | >96 | |
| 106 | >96 | 96 | ||
| WR1729 (fepA iroN iroBC) + ATCC 14028 | 52 | 104 | 49 | 49 |
| 105 | 51 | 52 | ||
a
Groups of two mice were inoculated with inoculum mixtures at the doses indicated.