|
Strain
|
Ureaa
|
6 hrb
|
12 hrb
|
24 hrb
|
48 hrb
|
|---|
|
Wild-type
|
–
|
2.8 ± 0.1 × 109
|
6.9 ± 0.3 × 109
|
2.0 ± 0.3 × 109
|
1.2 ± 0.1 × 109
|
|
Δgsp
|
–
|
2.6 ± 0.3 × 109
|
6.2 ± 0.2 × 109
|
2.4 ± 0.2 × 109
|
1.2 ± 0.1 × 109
|
|
ΔsslE
|
–
|
2.7 ± 0.1 × 109
|
5.7 ± 0.2 × 109
|
2.3 ± 0.3 × 109
|
1.2 ± 0.1 × 109
|
|
Wild-type
|
+
|
5.8 ± 0.3 × 106
|
3.2 ± 0.1 × 106
|
1.6 ± 0.1 × 106
|
3.1 ± 0.1 × 105
|
|
Δgsp
|
+
|
7.9 ± 0.9 × 106
|
4.1 ± 0.2 × 106
|
2.2 ± 0.2 × 106
|
5.7 ± 0.3 × 105
|
|
ΔsslE
|
+
|
6.3 ± 0.3 × 106
|
4.1 ± 0.3 × 106
|
2.1 ± 0.4 × 106
|
5.0 ± 0.6 × 105
|
- a –, no urea present; +, 1.15 M urea present.
- b Colony-forming units per ml of culture at the indicated time after inoculation, shown as means ± SEM for at least three replicate plate counts.
