TABLE 1.

pslAB mutant WFPA60 is deficient in attachment to abiotic surfaces under a variety of conditions

Carbon sourceCrystal violet absorbance (A540)a
PAO1 (wild type)WFPA60 (ΔpslAB)
Glucose0.142 ± 0.0430.015 ± 0.002
Mannose0.339 ± 0.0690.038 ± 0.005
Glycerol0.197 ± 0.0560.016 ± 0.001
Glutamate0.222 ± 0.0050.015 ± 0.001
Citrate0.144 ± 0.0180.019 ± 0.002
  • a Results of a rapid microtiter dish biofilm assay performed with cells grown in Jensen's chemically defined medium supplemented with different carbon sources.