Table 2.
Doubling times of RNase mutants
| Strain | Avg doubling time (min) ± SDa |
|---|---|
| Wild-type 168 trpC2 | 26 ± 4 |
| Single mutants | |
| 168 trpC2 rnjA::spc | 76 ± 4 |
| 168 trpC2 rny::spc | 56 ± 5 |
| 168 trpC2 pnp::kan | 33 ± 1 |
| 168 trpC2 rnjB::spc | 23 ± 1 |
| 168 trpC2 rppH::pMUTIN ery | 24 ± 1 |
| Double mutants | |
| 168 trpC2 rppH::pMUTIN ery rnjA::spc | 71 ± 11 |
| 168 trpC2 rppH::pMUTIN ery rny::spc | 68 ± 4 |
| 168 trpC2 rnjB::spc rnjA::kan | 66 ± 13 |
| 168 trpC2 pnp::kan rny::spc | 165 ± 20 |
a
Doubling times are the averages of data from between three and five experiments.