TABLE 2.

Phenotypes controlled by QS in P. aeruginosa wild type (PUPa3), mutants LASI, RHLI, DMI, DMR, and RSAL, and mutants complemented with AHLsa

StrainActivityb for strain
SW (cm)LI (mm)PR (mm)
PUPa37.67 ± 1.151.07 ± 0.153.33 ± 0.58
LASI3.27 ± 0.900.50 ± 0.000.67 ± 0.29
LASI + OC127.83 ± 1.260.97 ± 0.153.17 ± 0.29
RHLI3.70 ± 1.850.47 ± 0.123.67 ± 0.58
RHLI + C47.33 ± 2.890.80 ± 0.204.00 ± 1.00
DMI2.37 ± 1.0300.33 ± 0.58
DMI + OC12 + C46.77 ± 3.040.73 ± 0.063.00 ± 0.00
DMR2.43 ± 0.2500
RSAL3.07 ± 1.360.8 ± 0.103.00 ± 0.00
  • a Abbreviations for AHLs: C4, C4-HSL; OC12, 3-oxo-C12-HSL.

  • b SW, swimming activity; LI, lipase activity; PR, protease activity. Values are means ± standard deviations.