ArticleNature plants2025
Structural insights into CDF1 accumulation on the CONSTANS promoter via a plant-specific DNA-binding domain.
Article in Nature plants, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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Who cites it
1 citing paper in PubMed.
- Integrated Multi-Omic Analyses Uncover a Regulatory Link Between Photosynthesis and Drought Tolerance in Field-Grown Sorghum.Plant, cell & environment · 2026Article
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Authors and funding
16 authors.
Funding
Abstract
DNA-binding with one-finger (Dof) proteins are a family of plant-specific transcription factors distinguished by the highly conserved Dof DNA-binding domain. Various members play crucial roles in diverse plant biological processes. However, it remains unclear how the Dof domain recognizes a restricted set of promoters for gene regulation by binding to just four nucleotides, AAAG/CTTT. Here we present the crystal structure of the Dof domain of CYCLING DOF FACTOR 1 (CDF1), a well-characterized Dof protein acting as a transcriptional repressor by binding to the CONSTANS promoter to regulate photoperiodic flowering, in complex with DNA containing two cis elements. The data reveal that the Dof domain exhibits a unique zinc ribbon fold that includes a three-stranded antiparallel β-sheet and a carboxy-terminal loop, enabling DNA recognition accompanied by directional expansion of the major groove. These features facilitate binding to contiguous target cis elements in a proper arrangement to effectively regulate gene expression.
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Registered trials
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