TABLE 1.

Quantitative analysis of biofilm architecture

StrainMean ± SEMa
Thickness (μm)Substratum coverage (%)Roughness coefficientSurface/volume ratio (μm2 μm−3)
Wild type15.2 ± 6.740.34 ± 0.091.28 ± 0.170.15 ± 0.06
rhlA::Tn5 mutant78.26 ± 20.40.87 ± 0.130.3 ± 0.270.05 ± 0.03
  • a Values are means of data from 12 z-series image stacks (three image stacks from two channels in two independent flow cell experiments at day 6).