Table 3.

Comparison of vacuolating cytotoxic activities from various strains in hlyA inactivation, reversion, cloning, and complementation experimentsa

FractionDilution yielding maximum vacuolating activity
FG1106FG1153FG1173FG1167DH5αFG1221FG1229
Supernatant1/212<1/201/1621/125<1/20<1/201/853
Concentrate1/4,096<1/201/7,6801/5,120<1/101/301/40,960
  • a See Table 1 for descriptions of the strains used.