Phototropism induces the asymmetric distribution of the plant hormone auxin. In Arabidopsis, light perception by photoreceptors represses the transcription of the PINOID kinase to prevent the localization of the auxin transporter PIN3 to the illuminated site and induces growth at the shaded site.
- Zhaojun Ding
- Carlos S. Galván-Ampudia
- Jiří Friml
