Volume 6, Number 5—October 2000
Research
Toxin Gene Expression by Shiga Toxin-Producing Escherichia coli: the Role of Antibiotics and the Bacterial SOS Response
Figure 3

Figure 3. Time course of stx::lacZ induction by antibiotics. Exponential-phase cultures were exposed to the antibiotics indicated for up to 12 h, and whole culture β-galactosidase activities were determined. The exposure levels were cefuroxime 0.625 g/L (MICx1/16), furazolidone 8 g/L (MICx1/4), trimethoprim 0.6 g/L (1xMIC) and ofloxacin 0.1 g/L (2xMIC).
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