TABLE 2.

Thickness of GFP-expressing L. pneumophila Knoxville-1 biofilm

Temperature (°C)DayMean thicknessa (μm)
25920.4 ± 6.3
251842.3 ± 10.9
37337.5 ± 2.8
37671.6 ± 4.4
42340.3 ± 2.2
42673.2 ± 3.5
  • a 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.