TABLE 2.

Modulation of mucoidy in P. aeruginosa and P. fluorescens by pHERD20T-borne alginate regulators

Strain (genotype)Colony morphologyaPlasmidColony morphology with plasmida
1% Glucose0% Arabinose0.1% Arabinose1% Arabinose2.5% Arabinose
P. aeruginosa
    PAO1NMpHERD20T-algUNMNMMMNM
pHERD30T-mucENMNMMMM
pHERD20T-oprFNMNM
pHERD20T-oprF-WVFNMM
    PAO1VE2ΔalgW (PGm-mucE ΔalgW)NMpHERD20T-algWNMMMNMNM
P. fluorescens Pf-5NMpHERD30T-mucENMM
  • a NM, nonmucoid; M, mucoid.