Table 1.

CT produced by pWT

Strain [relevant phenotype]CT productiona at pH:
6.58.5
O395 [wild type]7.70.03
O395-NT [CT]<0.01<0.01
O395-NT (pWT)8.20.2
  • a Cells were incubated in LB medium at 30°C. Toxin amounts are expressed in micrograms per unit of optical density at 600 nm. Values represent the averages of at least three independent experiments.