DB identifier
|
AT5G62430 | Secondary Identifier
|
locus:2154079 |
| Name
|
cycling DOF factor 1 | Brief Description | cycling DOF factor 1 |
| TAIR Computational Description | cycling DOF factor 1;(source:Araport11) |
| TAIR Curator Summary | Dof-type zinc finger domain-containing protein, similar to H-protein promoter binding factor-2a GI:3386546 from (Arabidopsis thaliana). Represses expression of Constans (CO), a circadian regulator of flowering time. Interacts with LKP2 and FKF1. Expression oscillates under constant light conditions. Mainly expressed in the vasculature of cotyledons, leaves and hypocotyls, but also in stomata. Localized to the nucleus and acts as a repressor of CONSTANS through binding to the Dof binding sites in the CO promoter. Protein gets degraded by FKF1 in the afternoon. CDF1 binds to the TOPLESS co-repressor protein through an N-terminal motif which is conserved across CDF-like proteins throughout land-plants. This interaction is important for the repression of CO and FT genes during the morning. Loss of CDF1 dependent repression through omission of TPL coordinating residues or through the loss of TPL function in phloem companion cells results in early flowering due to an up regulation of FT. |
| TAIR Short Description | cycling DOF factor 1 |
| TAIR Aliases | CDF1 |
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