TABLE 2.

Internal control gene stability value M for all potential reference genes

Growth condition and replicate no.	M for the indicated genea
	gyrB	ftsZ	hu	rplD	recA	sodA	gap	rpoB	pta	tpi
In milk
Replicate 1	0.923	0.481	1.174	0.834	0.642	1.094	1.020	0.734	0.481	0.972
Replicate 2	0.814	0.595	1.242	0.904	0.595	1.063	1.144	0.766	0.729	0.972
Both replicatesb	0.859	0.613	1.213	0.930	0.721	1.128	1.058	0.779	0.613	0.984
In cheese
Replicate 1	0.370	0.370	0.636	0.438	0.920	0.842	0.758	0.693	0.497	0.581
Replicate 2	0.309	0.511	0.459	0.664	0.698	0.851	0.607	0.373	0.309	0.561
Both replicatesb	0.392	0.464	0.609	0.681	0.790	0.876	0.730	0.556	0.392	0.647

^aA low M value corresponds to high expression stability of the particular control gene.

^bAnalysis performed on both replicates.