TABLE 3.

Viable cell count

Strain	Viable cell count (CFU/ml)a
	Untreated	1 mM CHP	1 mM H2O2	1 mM NaOCl
WT	TNTC	7 × 103	27 × 105	TNTC
Δohr	TNTC	2 × 105	25 × 105	TNTC
ΔohrR	TNTC	26 × 105	30 × 105	TNTC

^aTNTC, too numerous to count. The data are representative of those from two experiments.