TABLE 4.
Percentages of Lac+ colonies in the final cell populations resulting from serially diluted batch cultures
| Strain | Presence of:
|
% of Lac+ CFUa | No. of CFU screened | |
|---|---|---|---|---|
| Ampicillin | Inducer | |||
| CC1184S2PT97 | − | − | 100 | 1,441 |
| − | + | 100 | 4,201 | |
| CC1184S2PT32 | − | − | 100 | 1,145 |
| − | + | 100 | 961 | |
| CC1184S2λpir (pTPm-lacZ) | − | − | 71.9 | 1,172 |
| − | + | 0 | 4,000 | |
| + | − | 97 | 2,100 | |
| + | + | 99.5 | 1,108 | |
| CC1184S2λpir (pCCD5-lacZ) | − | − | 96.5 | 733 |
| − | + | 0 | 2,185 | |
| + | − | 98.9 | 711 | |
| + | + | 95.4 | 1,637 | |
| NCM631 (pIZ1207) | − | − | 68.5 | 611 |
| − | + | 0 | 1,196 | |
| + | − | 97 | 1,146 | |
| + | + | 96 | 1,677 | |
a
The standard deviations were less than 28% except for NCM631(pIZ1207), for which values were obtained with duplicated series in the same experiment.