| ABF | ABA-response element-binding factor |
| CBF | C repeat/dehydration-responsive element-binding factor |
| GFP | green fluorescent protein |
| OE | overexpression |
| P5CS | Δ-1-pyrroline-5-carboxylate synthetase |
| RD | dehydration-responsive |
| TFs | transcription factors |
| WT | wild type |