ArticlePlant physiology2011
Nuclear localization and interaction with COP1 are required for STO/BBX24 function during photomorphogenesis.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 1 of them a synthesis that pooled it.
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Who cites it
52 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Precise scheduling of B-box transcription factors: the core network for balancing plant growth, metabolism and stress resistance.Frontiers in plant science · 2026Pooled it
- A 32-bp deletion inHorticulture research · 2026Article
- Evolutionary and functional characterization of BBX genes in the barley pangenome.BMC plant biology · 2026Article
- Genome-Wide Identification and Expression Analysis of the Melon B-BOX (BBX) Gene Family in Response to Abiotic and Biotic Stresses.Plants (Basel, Switzerland) · 2025Article
- Genome-Wide Identification of B-Box Family Genes and Their Potential Roles in Seed Development under Shading Conditions in Rapeseed.Plants (Basel, Switzerland) · 2024Article
- Article
- Allelic variation of BBX24 is a dominant determinant controlling red coloration and dwarfism in pear.Plant biotechnology journal · 2024Article
- TheMolecules (Basel, Switzerland) · 2024Article
- Genome-wide identification of B-box zinc finger (BBX) gene family in Medicago sativa and their roles in abiotic stress responses.BMC genomics · 2024Article
- BBX24 Increases Saline and Osmotic Tolerance through ABA Signaling in Arabidopsis Seeds.Plants (Basel, Switzerland) · 2023Article
- Rice and3 Biotech · 2022Review
- Arabidopsis B-box transcription factors BBX20-22 promote UVR8 photoreceptor-mediated UV-B responses.The Plant journal : for cell and molecular biology · 2022Article
- An improved repertoire of splicing variants and their potential roles in Arabidopsis photomorphogenic development.Genome biology · 2022Article
- Zinc-finger protein MdBBX7/MdCOL9, a target of MdMIEL1 E3 ligase, confers drought tolerance in apple.Plant physiology · 2022Article
- The StBBX24 protein affects the floral induction and mediates salt tolerance inFrontiers in plant science · 2022Article
- Genome-wide and expression analysis of B-box gene family in pepper.BMC genomics · 2021Article
- How plants protect themselves from ultraviolet-B radiation stress.Plant physiology · 2021Review
- Article
- B-box protein BBX32 integrates light and brassinosteroid signals to inhibit cotyledon opening.Plant physiology · 2021Article
- The BBX gene family in Moso bamboo (Phyllostachys edulis): identification, characterization and expression profiles.BMC genomics · 2021Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis (Arabidopsis thaliana) SALT TOLERANCE/B-BOX ZINC FINGER PROTEIN24 (STO/BBX24) is a negative regulator of the light signal transduction that localizes to the nucleus of plant cells and interacts with CONSTITUTIVE PHOTOMORPHOGENIC1 (COP1) in the yeast (Saccharomyces cerevisiae) two-hybrid system. The protein contains two B-box zinc-finger motives at the N terminus and a conserved motif at the C-terminal part required for the interaction with COP1. BBX24 accumulates during deetiolation of young seedlings in the first hours of exposure to light. However, this accumulation is transient and decreases after prolonged light irradiation. Here, we identified the amino acidic residues necessary for the nuclear import of the protein. In addition, we created mutated forms of the protein, and analyzed them by overexpression in the bbx24-1 mutant background. Our results indicate that the degradation of BBX24 occurs, or at least is initiated in the nucleus, and this nuclear localization is a prerequisite to fulfill its function in light signaling. Moreover, mutations in the region responsible for the interaction with COP1 revealed that a physical interaction of the proteins is also required for degradation of BBX24 in the light and for normal photomorphogenesis.
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