TABLE 3.
Mono- and coculture results with inhibitor E. coli 25 and cdiABI-positive strain E. coli 93 in minimal medium and LB broth
| Culture type, medium, and incubation time | Mean log CFU/mla |
|
|---|---|---|
| E. coli 25 | E. coli 93 | |
| Monoculture in minimal medium | ||
| 0 h | 7.24 ± 0.02 | 7.29 ± 0.03 |
| 24 h | 9.03 ± 0.02 | 9.03 ± 0.05 |
| Coculture in minimal medium | ||
| 0 h | 6.09 ± 0.01 | 6.06 ± 0.05 |
| 24 h | 9.00 ± 0.01 | 4.03 ± 0.10b |
| Monoculture in LB medium | ||
| 0 h | 7.31 ± 0.05 | 7.15 ± 0.01 |
| 24 h | 9.38 ± 0.01 | 9.16 ± 0.07 |
| Coculture in LB medium | ||
| 0 h | 5.96 ± 0.10 | 5.99 ± 0.05 |
| 24 h | 9.27 ± 0.09 | 6.04 ± 0.32b |
a
Results are means ± standard errors of means, based on three independent experiments each performed in duplicate.
b
Statistically significant difference in the counts of E. coli 93 and E. coli 25 after 24 h of competition (P < 0.01, Student's t test).