TABLE 2.
COMSTAT analysis of biofilms of wild-type and ΔvpsS strains and wild-type strains harboring a vector or vpsS overexpression plasmida
| Strain | Time (h) | Total biomass (μm3/μm2) | Thickness (μm)
|
|
|---|---|---|---|---|
| Avg | Maximum | |||
| Wild type | 1 | 11.8 (1.37) | 10.9 (1.37) | 11.0 (1.45) |
| 24 | 23.4 (2.43) | 22.5 (2.43) | 22.5 (2.46) | |
| 48 | 37.4 (4.08) | 36.5 (4.08) | 36.7 (3.93) | |
| ΔvpsS | 1 | 11.2 (1.46) | 10.3 (1.46) | 10.4 (1.61) |
| 24 | 23.5 (3.93) | 22.6 (3.93) | 22.7 (3.91) | |
| 48 | 39.8 (4.39) | 38.9 (4.39) | 39.1 (4.25) | |
| Wild type/vectorb | 1 | 2.0 (0.44) | 3.2 (0.88) | 10.1 (1.87) |
| 24 | 21.1 (2.23) | 23.6 (2.76) | 25.2 (3.12) | |
| 48 | 25.8 (5.10) | 29.4 (5.19) | 30.9 (5.19) | |
| Wild type/pvpsSb | 1 | 3.0 (0.37) | 5.2 (0.83) | 12.8 (2.07) |
| 24 | 23.6 (2.45) | 24.6 (3.40) | 25.3 (3.60) | |
| 48 | 32.0 (2.17) | 37.4 (4.72) | 42.0 (8.06) | |
a
The values are the means (standard deviations) of data from at least six z-series image stacks.
b
Cultures were grown in the presence of ampicillin and 0.2% arabinose.