DB identifier
|
AT2G20180 | Secondary Identifier
|
locus:2061634 |
| Name
|
phytochrome interacting factor 3-like 5 | Brief Description | phytochrome interacting factor 3-like 5 |
| TAIR Computational Description | phytochrome interacting factor 3-like 5;(source:Araport11) |
| TAIR Curator Summary | Encodes a novel Myc-related bHLH transcription factor that has transcriptional activation activity in the dark. It is a key negative regulator of phytochrome-mediated seed germination and acts by inhibiting chlorophyll biosynthesis, light-mediated suppression of hypocotyl elongation and far-red light-mediated suppression of seed germination, and promoting negative gravitropism in hypocotyls. Light reduces this activity in a phy-dependent manner. The protein preferentially interacts with the Pfr forms of Phytochrome A (PhyA) and Phytochrome B (PhyB), is physically associated with APRR1/TOC1 and is degraded in red (R) and far-red (FR) light through the ubiquitin (ub)-26S proteasome pathway to optimize photomorphogenic development in Arabidopsis. It also negatively regulates GA3 oxidase expression. |
| TAIR Short Description | phytochrome interacting factor 3-like 5 |
| TAIR Aliases | PIF1, PIL5 |
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