Stable Reference Gene Selection for RT-qPCR Analysis in Synechococcus elongatus PCC 7942 under Abiotic Stresses

Table 2

Ranking of the candidate reference genes, as calculated by NormFinder software.

Rank		ALL	NTC	NaCl	HO	HL
1		prs	secA	rimM	rnpA	rnpA
	stability	0.307	0.176	0.144	0.096	0.136
2		secA	ppc	ilvD	ilvD	prs
	stability	0.309	0.210	0.199	0.160	0.185
3		ilvD	rnpA	rnpA	ppc	secA
	stability	0.467	0.272	0.226	0.195	0.208
4		rnpA	prs	petB	prs	rimM
	stability	0.494	0.280	0.256	0.221	0.234
5		16S	16S	prs	secA	ppc
	stability	0.524	0.296	0.279	0.268	0.254
6		ppc	ilvD	ppc	petB	ilvD
	stability	0.612	0.326	0.305	0.509	0.279
7		rimM	petB	secA	rnpB	petB
	stability	0.762	0.394	0.372	0.577	0.317
8		petB	rnpB	16S	rimM	16S
	stability	0.891	0.503	0.422	0.763	0.368
9		rnpB	rimM	rnpB	16S	rnpB
	stability	1.001	0.553	0.498	0.847	0.588