TABLE 3.
Persistent late gene expression in strains lacking ComW
| σA allelea | ComW present |
ComW absent |
||
|---|---|---|---|---|
| Inductionb | Shutoffc | Inductionb | Shutoffc | |
| WT | 4.2 | −0.4 | 0.4 | 0.2 |
| A171V | 2.9 | −0.4 | 3.0 | 1.0 |
| R316H | 5.0 | −0.5 | 1.6 | 0.2 |
| R355H | 4.1 | −0.5 | 1.3 | 0.3 |
| L363F | 5.2 | −0.5 | 1.1 | 0.3 |
a
Allele of σA in strain tested.
b
Rate of change in Miller units during induction phase, measured as slope of expression between 10 and 20 min.
c
Rate of change in Miller units during shutoff phase, measured as slope of expression between 40 and 60 min.