Table 2 Ranking of the eight candidate reference genes according to their expression stability in two different algorithms GeNorm and BestKeeper in Barnea, Frantoio and Picual individually and together
|  | Barnea + Frantoio + Picual | Barnea | Frantoio | Picual | ||||
|---|---|---|---|---|---|---|---|---|
Ranking | GeNorm | BestKeeper | GeNorm | BestKeeper | GeNorm | BestKeeper | GeNorm | BestKeeper |
1 | GAPDH | PP2A | EF1-Alpha | PP2A | EF1-Alpha | GAPDH | 60S RBP L18-3 | 60S RBP L18-3 |
2 | EF1-Alpha | EF1-Alpha | GAPDH | EF1-Alpha | 60S RBP L18-3 | EF1-Alpha | PP2A | OUB2 |
3 | PP2A | GAPDH | PP2A | GAPDH | PTB | OUB2 | OUB2 | PP2A |
4 | 60S RBP L18-3 | PTB | OUB2 | OUB2 | OUB2 | 60S RBP L18-3 | EF1-Alpha | EF1-Alpha |
5 | PTB | 60S RBP L18-3 | TUBA | 60S RBP L18-3 | GAPDH | PTB | GAPDH | GAPDH |
6 | OUB2 | TIP2 | 60S RBP L18-3 | PTB | PP2A | PP2A | TUBA | PTB |
7 | TUBA | OUB2 | PTB | TIP2 | TUBA | TUBA | PTB | TIP2 |
8 | TIP2 | TUBA | TIP2 | TUBA | TIP2 | TIP2 | TIP2 | TUBA |