Stimulus or stressor (concn) | Luciferase activity ratio (RLU)^{a} |
---|---|

Hydrogen peroxide (0.4 mM) | 2.09 ± 0.33^{d} |

Methyl viologen (10 mM) | 2.07 ± 0.55^{c} |

SDS (8 μg/ml) | 2.51 ± 0.50^{d} |

Chlorhexidine (1.5 μg/ml) | 3.03 ± 0.42^{d} |

Vancomycin (0.75 μg/ml) | 1.41 ± 0.03^{b} |

Bacitracin (20 μg/ml) | 2.24 ± 0.13^{b} |

Nisin (10 μg/ml) | 2.25 ± 0.47^{c} |

d-Cycloserine (20 μg/ml) | 1.62 ± 0.31^{c} |

Penicillin G (0.04 μg/ml) | 1.66 ± 0.35^{b} |

↵a Data are the ratios (average ± standard deviation) of the luciferase activity (in RLU) at the conditions specified to that of controls that received an equal amount of solvent instead of the stressor indicated.

↵b Difference between the groups at the significance level of

*P*< 0.05.↵c Difference between the groups at the significance level of

*P*< 0.01.↵d Difference between the groups at the significance level of

*P*< 0.001.