TABLE 4.

COMSTAT: quantitative analysis of biofilm structurea

StrainMean thickness (μm)Maximum thickness (μm)Total biomass (μm3/μm2)Roughness coefficient
WT16.5 (6.4)76.8 (11)15.2 (6.3)1.3 (0.2)
sad-160::Tn534.8 (7.6)81.0 (8.2)32.0 (7.3)0.7 (0.1)
ΔsadRS::Gmr32.8 (4.5)81.3 (8.4)30.0 (3.8)0.8 (0.1)
ΔsadA25.1 (7.9)77.2 (6.4)21.3 (6.4)0.9 (0.2)
  • a Values are means of data from six z-series image stacks for each strain taken at day 5. The number in parentheses indicates the standard deviation.