ArticleProceedings of the National Academy of Sciences of the United States of America2016
COP1 is required for UV-B-induced nuclear accumulation of the UVR8 photoreceptor.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers.
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Who cites it
61 citing papers in PubMed.
- Phosphorylation of the plant photoreceptor UVR8 regulates its dimer/monomer status and enhances UV-B signaling across species.The Plant cell · 2026Article
- UVR8-mediated UV-B signaling and its regulation of horticultural traits: from Arabidopsis to application.Horticulture research · 2026Review
- Allelic variation in UVR8 modulates thermotolerance-yield tradeoffs in plants.Cell research · 2026Article
- Conservation and divergence of UVR8 photoreceptor-mediated UV-B signaling in Marchantia polymorpha.Plant physiology · 2026Article
- Prefoldin 3 promotes the turnover of WRKY70 and FHY3 to modulate UV-B-induced hypocotyl growth inhibition in Arabidopsis thaliana.Plant communications · 2026Article
- Sensory Perception of Fluctuating Light in Arabidopsis.Plant, cell & environment · 2025Article
- Flavonoid pathway intermediates implicate UVR8 in functions beyond canonical UV-B signaling.Nature communications · 2025Article
- The UV-B photoreceptor UVR8 interacts with the LOX1 enzyme to promote stomatal closure through the LOX-derived oxylipin pathway.The Plant cell · 2025Article
- Recent advances in UV-B signalling: interaction of proteins with the UVR8 photoreceptor.Journal of experimental botany · 2025Review
- Plant terrestrialization: an environmental pull on the evolution of multi-sourced streptophyte phenolics.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Review
- Genomic Identification and Expression Analysis of Regulator of Chromosome Condensation 1-Domain Protein Family in Maize.International journal of molecular sciences · 2024Article
- Photoreceptor-induced sinapate synthesis contributes to photoprotection in Arabidopsis.Plant physiology · 2024Article
- Nuclear accumulation of rice UV-B photoreceptors is UV-B- and OsCOP1-independent for UV-B responses.Nature communications · 2024Article
- How Histone Acetyltransferases Shape Plant Photomorphogenesis and UV Response.International journal of molecular sciences · 2024Review
- Functional divergence of Arabidopsis REPRESSOR OF UV-B PHOTOMORPHOGENESIS 1 and 2 in repression of flowering.Plant physiology · 2024Article
- Phosphorylation of Arabidopsis UVR8 photoreceptor modulates protein interactions and responses to UV-B radiation.Nature communications · 2024Article
- Advanced metabolic engineering strategies for increasing artemisinin yield inHorticulture research · 2024Article
- Genome-wide identification and expression analysis of theFrontiers in plant science · 2023Article
- Light signaling-mediated growth plasticity in Arabidopsis grown under high-temperature conditions.Stress biology · 2022Review
- Plant responses to UV-B radiation: signaling, acclimation and stress tolerance.Stress biology · 2022Review
1 more citing papers are in PubMed but not listed here.
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4 authors.
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Abstract
The UV-B photoreceptor UV RESISTANCE LOCUS 8 (UVR8) promotes UV-B acclimation and tolerance in Arabidopsis thaliana UVR8 localizes to both cytosol and nucleus, but its main activity is assumed to be nuclear. UV-B photoreception stimulates nuclear accumulation of UVR8 in a presently unknown manner. Here, we show that CONSTITUTIVELY PHOTOMORPHOGENIC 1 (COP1) is required for UV-B-induced nuclear accumulation of UVR8, but bypassing the COP1 requirement for UVR8 nuclear accumulation did not rescue the cop1 mutant UV-B phenotype. Using a glucocorticoid receptor (GR)-based fusion protein system to conditionally localize GR-UVR8 to the nucleus, we have demonstrated that both photoactivation and nuclear localization of UVR8 are required for UV-B-induced photomorphogenic responses. In contrast, there was no UV-B response when UV-B-activated UVR8 was artificially retained in the cytosol. In agreement with a predominantly nuclear activity, constitutively active UVR8(W285A) accumulated in the nucleus also in the absence of UV-B. Furthermore, GR-COP1 expression lines suggested that UV-B-activated UVR8 can be coimported into the nucleus by COP1. Our data strongly support localization of UVR8 signaling in the nucleus and a dual role for COP1 in the regulation of UV-B-induced UVR8 nuclear accumulation and in UVR8-mediated UV-B signaling.
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