TABLE 3.
Ethanol-resistant spore formationa
| Strain background(growth medium) | Frequency of ethanol-resistant spore formation (% ± SEM) in: |
||
|---|---|---|---|
| WT strain | codY mutant | codY Tn916::codY strain | |
| 630Δerm (70:30 medium) | 0.03 ± 0.01 | 0.18 ± 0.02 | 0.14 ± 0.08 |
| 630Δerm (BHIS) | 0.03 ± 0.01 | 0.003 ± 0.00 | 0.0001 ± 0.00 |
| UK1 (70:30 medium) | 0.0005 ± 0.00 | 22.02 ± 5.99 | 0.53 ± 0.19 |
| UK1 (BHIS) | 0.02 ± 0.01 | 0.05 ± 0.00 | 0.05 ± 0.03 |
a
Data were analyzed by one-way ANOVA, followed by Dunnett's test for multiple comparisons. Bold text indicates a P value of ≤0.05. Comparisons were made between the parent strain and its respective codY mutant or the parent and complemented strains.