Table 2. Ranking of candidate reference genes in zebrafish gut in wild-type and lepr mutant adults, under different feeding conditions.

BestKeeper				geNorm		NormFinder
Ranking	r values	Ranking	SD values	Ranking	M values	Ranking	S values
tmem50a	0.928	ef1a	0.461	tmem50a	0.623	tmem50a	0.186
b2m	0.892	tmem50a	0.624	b2m	0.674	b2m	0.271
rpl13	0.882	actb2	0.626	ef1a	0.707	ef1a	0.276
ube2a	0.857	b2m	0.647	rpl13	0.732	rpl13	0.298
ef1a	0.823	rpl13	0.709	actb2	0.733	actb2	0.304
rplp0	0.819	p6gd	0.717	ube2a	0.783	p6gd	0.315
actb2	0.812	ube2a	0.799	p6gd	0.796	ube2a	0.359
p6gd	0.793	rplp0	0.944	rplp0	0.998	rplp0	0.401

SD: standard deviation, r: Pearson product-moment correlation coefficient, SV: stability value, M: mean value of stability.