Table 1.
Transcriptional regulation by cytokinins of genes encoding invertases, sugar, and amino acid transporters in various plant species.
| Species | Gene | Gene description | CK regulation |
|---|---|---|---|
| Carbohydrate-related | |||
| Zea mays | IVR1 | Vacuolar invertase | + |
| IVR2 | Vacuolar invertase | + | |
| Chenopodium rubrum Solanum lycopersicum | CIN1 | Extracellular invertase | + |
| LIN6 | Extracellular invertase | + | |
| Sucrose transport | |||
| Arabidopsis thaliana | CST2 | Hexose transporter | + |
| CST3 | Hexose transporter | + | |
| Pisum sativum | PsSW12 | Sucrose transporter | − |
| PsSUT1 | Sucrose transporter | − | |
| PsSUT2 | Sucrose transporter | − | |
| Solanum tuberosum | StSUT1 | Sucrose transporter | + |
| Brassica napus | BnSUT1 | Sucrose transporter | + |
| BnSUT2 | Sucrose transporter | + | |
| BnSUT3 | Sucrose transporter | + | |
| BnSUT4 | Sucrose transporter | + | |
| Amino acid transporter | |||
| Arabidopsis thaliana | AAP2 | Amino acid transporter | − |
| AAP3 | Amino acid transporter | + | |
| AAP5 | Amino acid transporter | − | |
| CAT1 | Amino acid transporter | + | |
| CAT6 | Amino acid transporter | + | |
| LHT1 | Amino acid transporter | − | |
| Brassica napus | BnAAP1 | Amino acid transporter | − |
| BnAAP2 | Amino acid transporter | − | |
| BnAAP4 | Amino acid transporter | − | |
| BnAAP5 | Amino acid transporter | − | |
| BnAAP6 | Amino acid transporter | − | |
| BnAAP7 | Amino acid transporter | − | |
| BnAAP8 | Amino acid transporter | − | |
| Pisum sativum | PsAAP3 | Amino acid transporter | − |
| PsAAP6a | Amino acid transporter | − | |
| PsAAP7b | Amino acid transporter | − | |
| Oryza sativa | OsAAP1 | Amino acid transporter | + |
| OsLHT1 | Amino acid transporter | + | |