TABLE 4.
Ability of constitutively expressed virG to relieve inhibition of vir gene expression by virA alleles in induction medium containing arabinosea
| Plasmids | virA on vector | Acetosyringone (μM) | β-Galactosidase (Miller units)
|
Ratio with/without PN25-virG | |
|---|---|---|---|---|---|
| Without PN25-virG | With PN25-virG | ||||
| pAW10, pYW47 | None | 1 | 1,478 | 1,936 | 1.3 |
| 10 | 2,739 | 2,955 | 1.1 | ||
| 100 | 2,962 | 4,313 | 1.5 | ||
| pAW16, pYW48 | Wild-type virA | 1 | 531 | 752 | 1.4 |
| 10 | 458 | 1,246 | 2.7 | ||
| 100 | 1,018 | 3,207 | 3.2 | ||
| pAW13, pAW20 | virAE255L | 1 | 119 | 155 | 1.3 |
| 10 | 388 | 778 | 2.0 | ||
a
See Table 3, footnotes a and b.