Table 1. Critical Components for First Positive Phototropism.
| First Positive Phototropism Components | Components |
|---|---|
| Ascending arm | phot1, NPH3 |
| Descending arm | phot1, NPH3 |
| Phytochrome-mediated enhancement | PINOID family |
| Phytochrome-mediated desensitization | RPT2 |