Table 2.
Known transcription factors involved in octoploid Fragaria fruit ripening
| TF type | Gene name | Accession no. | Function | Reference |
|---|---|---|---|---|
| AP2/ERF | FaABI4 | MH332931.1 | Positive regulator of ripening | Chai and Shen173 |
| R2R3 MYBS | FaMYB1 | AAK84064.1 | Repression of anthocyanin biosynthesis | Aharoni et al.174; Kadomura-Ishikawa et al.175 |
| FcMYB1 | ADK56163.1 | Anthocyanin production in F. chiloensis | Salvatierra et al.176 | |
| FaMYB10 | ABX79947.1 | Master regulator of flavonoid/phenylpropanoid metabolism. Expression repressed by auxin, stimulated by ABA. | Medina-Puche et al.177; Lin-Wang et al.178; Kadomura-Ishikawa et al.179 | |
| FaMYB9 | AFL02460.1 | Proanthocyanidin biosynthesis in complex with FaMYB9/FaMYB11, FabHLH3, and FaTTG1 | Schaart et al.180 | |
| FaMYB11 | AFL02461.1 | Proanthocyanidin biosynthesis in complex with FaMYB9/FaMYB11, FabHLH3, and FaTTG1 | Schaart et al.180 | |
| FaGAMYB | Production of anthocyanins and hydroxycinnamic acid derivatives needed for eugenol production | Vallarino et al.181 | ||
| FaEOBII | AJZ73158.1 | Regulation of eugenol biosynthesis under control of MYB10 | Medina-Puche et al.98 | |
| FaPCL1-like | Flavonol synthesis | Pillet et al.182 | ||
| c-type MADS-box | FaSHP | AGU92563.1 | TAGL1 homolog. Expression of ripening related genes | Daminato et al.183 |
| e-type MADS box | FaMADS1a | SEPALLATA type. IAA induced expression. Delayed ripening. | Lu et al.184 | |
| FaMADS9 | SEPALLATA type. Proanthocyanidin biosynthesis with FaMYB11, FabHLH3, and FaTTG1 | Seymour et al.185 | ||
| ZnF-DOF (one zinc finger) | FaDOF2 | AIZ50709.1 | Eugenol production in ripe receptacles, interacting with FaEOBII | Molina-Hidalgo et al.186 |
| basic Helix-Loop-Helix | FabHLH3 | AFL02463.1 | Proanthocyanidin biosynthesis in complex with FaMYB9/FaMYB11, FabHLH3, and FaTTG1 | Schaart et al.180 |
| WD40 repeat | FaTTG1 | AFL02466.1 | Coordinates complex with FaMYB9/FaMYB11, FabHLH3, and FaTTG1 to regulate proanthocyanidin biosynthesis | Schaart et al.180 |
| GRAS | FaSCL8 | Expression of MYB10, MYB9, and MYB11 | Pillet et al.182 | |
| GARP | FaPCL1-like | Flavon-3-ol production | Pillet et al.182 |
Transcriptome analyses have identified many other transcription factors likely to be involved in strawberry ripening in diploid and octoploid strawberry. Only those with direct evidence for involvement in octoploid strawberry ripening are presented here