TABLE 1.

Differential activity of three bacteriophages depending upon production of TolC

StrainGenotype or phenotypeBacteriophage (PFU/ml)Fold change in tolC expression/TolC expression relative to SL1344a
ST27ST29ST35
L354SL13441061051061/1
L729SL1344/pBAD tolC1051021041.7/11.5
L108 tolC::aph000ND/ND
L773 tolC::aph/pWKS30 tolC1051041061.07
  • a The level of tolC was measured by RT-PCR and denaturing HPLC analysis. The level of TolC was measured by Western blotting. ND, not detected.