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Thickness of GFP-expressing L. pneumophila Knoxville-1 biofilm
| Temperature (°C) | Day | Mean thicknessa (μm) |
|---|---|---|
| 25 | 9 | 20.4 ± 6.3 |
| 25 | 18 | 42.3 ± 10.9 |
| 37 | 3 | 37.5 ± 2.8 |
| 37 | 6 | 71.6 ± 4.4 |
| 42 | 3 | 40.3 ± 2.2 |
| 42 | 6 | 73.2 ± 3.5 |
Values were obtained as means ± SD of six to eight measurements of thickness. Statistical analysis was performed using Student's t test to compare the differences between groups, and P values of <0.05 were considered statistically significant.
