Table 2. Quantitative real-time PCR analysis of peroxide.

nd, No amplified product detected after 60 PCR cycles.

Gene*	Name	Mean±sd fold change (P-value†) following treatment with H2O2 at:
		0.1 mM	0.25 mM	0.5 mM	1 mM
PG0880	bcp	1.2±0.04 (0.009)	1.1±0.02 (0.009)	1.2±0.06 (0.004)	nd
PG0270	oxyR	0.6±0.04 (0.12)	0.5±0.08 (0.02)	0.6±0.6 (0.31)	0.4±0.5 (0.09)
PG0045	sodB	2.1±0.3 (0.003)	4.6±0.2 (<0.001)	7.9±0.8 (<0.001)	1.4±0.3 (0.08)
PG0618	ahpC	1.7±0.5 (0.07)	3.2±0.2 (<0.001)	2.8±0.7 (0.01)	0.4±0.08 (<0.001)
PG0619	ahpF	1.4±0.2 (0.03)	2.7±0.3 (<0.001)	1.9±0.2 (0.003)	nd
PG0090	dps	2.1±0.2 (<0.001)	2.8±0.5 (<0.001)	2.5±0.4 (0.003)	0.8±0.4 (0.4)

^*TIGR ID.

^†W83 untreated control versus W83 treated with 0.1, 0.25, 0.5 or 1 mM H₂O₂.