Abstract
To perceive red and far-red light, plants have evolved specific photoreceptors called phytochromes. Even though the spectral properties of all phytochromes are very similar, they show a distinct mode of action. Here we describe EID1, a negatively acting component of the signaling cascade that shifts the responsiveness of the phytochrome A (phyA) signaling system associated with hypocotyl elongation from red to far-red wavelengths. EID1 is a novel nuclear F-box protein that contains a leucine zipper whose integrity is necessary for its biological function. EID1 most probably acts by targeting activated components of the phyA signaling pathway to ubiquitin-dependent proteolysis.
Original language | English |
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Pages (from-to) | 939-944 |
Number of pages | 6 |
Journal | Genes and Development |
Volume | 15 |
Issue number | 8 |
DOIs | |
Publication status | Published - 15 Apr 2001 |
Externally published | Yes |
Keywords
- Arabidopsis
- F-box protein
- Light signaling
- Phytochrome
- SCF complex