Table 1. Comparison of AP2/ERF family composition (number of genes in subfamilies and groups) between Arabidopsis thaliana Vitis vinifera, Populus trichocarpa, Eucalyptus grandis and Malus domestica.
| AP2/ERF family | Groups | A. thaliana | V.vinifera | P. trichocarpa | E. grandis | M. domestica |
|---|---|---|---|---|---|---|
| DREB subfamily | A1 | 6 | 7 | 6 | 17 | 5 + 1p |
| A2 | 8 | 5 | 8 | 6 | 14 | |
| A3 | 1 | 0 | 2 | 1 | 4 | |
| A4 | 16 | 15 | 26 | 16 | 18 | |
| A5 | 16 | 8 | 14 | 17 | 13 | |
| A6 | 10 | 5 | 11 | 7 | 9 | |
| Subtotal | 57 | 40 | 67 | 61 + 3p | 63 +1p | |
| ERF subfamily | B1 | 15 | 11 | 19 | 12 | 19 |
| B2 | 5 | 3 | 6 | 3 | 7 | |
| B3 | 18 | 41 | 35 | 65 | 45 | |
| B4 | 7 | 3 | 7 | 10 | 13 | |
| B5 | 8 | 4 | 8 | 5 | 12 | |
| B6 | 12 | 21 | 26 | 13 | 30 | |
| Subtotal | 65 | 83 | 101 | 103 + 5p | 126 | |
| AP2 subfamily | 18 | 20 | 26 | 21 | 29 + 11 like | |
| RAV subfamily | 6 | 6 | 5 | 6 +2p | 6 | |
| Soloist | 1 | 1 | 1 | 1 | 6 | |
| Total | 147 | 150 | 200 | 202 | 242 |
Pseudogenes are indicated as “p”.