TABLE 3.

COMSTAT: Quantitative analysis of biofilm structurea

Strain or strain identifierMean thickness (μm)Maximum thickness (μm)Total biomass (μm3/μm2)Roughness coefficient
WT29.2 (8.3)84.1 (20.6)18.2 (2.6)0.8 (0.1)
ΔPA0180::Tetr8.5 (6.5)13.7 (2.3)8.8 (8.0)0.3 (0.1)
ΔPA1553::Tetr2.1 (0.3)30.7 (9.5)2.3 (1.9)1.9 (0.08)
ΔPA4101::Tetr4.4 (1.3)18.7 (3.3)3.5 (0.6)1.5 (0.3)
ΔPA4206::Tetr2.0 (0.6)18.9 (10.8)1.4 (0.2)1.7 (0.2)
  • a Values are means of data from six z-series image stacks for each strain taken at day 6 (maturation-2 stage). Numbers in parentheses indicates standard deviations.