TABLE 2.

Linear correlation coefficients between replicate array experiments

Strain	Treatment	Correlation coefficienta
		Array 1 vs 2	Array 1 vs 3	Array 2 vs 3
S. Enteritidis PT4	Control	0.733	0.741	0.977
	130 ppm, 30 min	0.993	0.874	0.869
	390 ppm, 10 min	0.940	0.936	0.956
S. Typhimurium LT2	Control	0.920	0.929	0.977
	130 ppm, 30 min	0.981	0.773	0.709
	390 ppm, 10 min	0.975	0.929	0.912

^aArrays 1, 2, and 3 were three independent biological replicates prepared and hybridized on different days. Pairwise comparisons were made between each pair of biological replicates to assess the reproducibility of array data.