TABLE 2.
FimB recombination in Rm mutants 1 to 3, fimS21, and a fimS21 double mutant grown to exponential phase in minimal MOPS glucose medium in the absence and presence of IVLA
| Mutation(s) | IVLA | Inversion frequency (104)a | Ratio of mutant to wild type |
|---|---|---|---|
| Rm1 | − | 82.2 | 8.4 |
| + | 121.0 | 2.2 | |
| Rm2 | − | 1.0 | 0.1 |
| + | 2.9 | 0.05 | |
| Rm3 | − | 3.3 | 0.3 |
| + | 5.0 | 0.09 | |
| fimS21 | − | 56.3 | 6.4 |
| + | 97.0 | 1.2 | |
| fimS21, Rm1 | − | 104.0 | 11.7 |
| + | 156.0 | 2.0 |
a
Per cell per generation for inversion from the off-to-on orientation. Ninety-five-percent confidence limits, determined from at least seven values, lie within 10% of the mean.