TABLE 2.

Activation of lacZ fusions by conditioned medium

Conditioned mediumRelative activationa of P. stuartii lacZ fusion:
cma37cma67cma230
MG1655 (pH 6)5 ± 0.34 ± 0.38 ± 0
MG1655 (pH 8.5)54 ± 3.514 ± 0.674 ± 5
MG1655-C ΔcysE (pH6)1.3 ± 0.11.9 ± 0.11.1 ± 0.1
MG1655-C ΔcysE (pH8.5)1.1 ± 0.11.7 ± 0.11.1 ± 0
  • a Values represent the fold activation relative to cells grown in LB only.