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Table 4 Ranking of the ten genes according to correlations between reference genes and BestKeeper index

From: Selection of reliable reference genes for gene expression studies in peach using real-time PCR

Ranking order

All samples

Fruit developmental series

Different genotypes

Different storage time series

Different regulator treatments

Different tissues

1

TEF2

TEF2

TEF2

TUA

RP II

CYP2

2

UBQ10

UBQ10

TUB

TEF2

TUB

RP II

3

RP II

TUB

RP II

RP II

TEF2

TEF2

4

TUA

RP II

UBQ10

ACT

UBQ10

UBQ10

5

CYP2

CYP2

TUA

CYP2

ACT

TUA

6

GAPDH

TUA

CYP2

UBQ10

CYP2

TUB

7

TUB

ACT

ACT

TUB

GAPDH

PLA2

8

ACT

18S rRNA

GAPDH

GAPDH

18S rRNA

GAPDH

9

PLA2

GAPDH

18S rRNA

18S rRNA

PLA2

ACT

10

18S rRNA

PLA2

PLA2

PLA2

TUA

18S rRNA

  1. Details on Pearson's correlation coefficients (r) are available as additional file 2.