ArticlePlant physiology2001
An Arabidopsis mutant tolerant to lethal ultraviolet-B levels shows constitutively elevated accumulation of flavonoids and other phenolics.
Article in Plant physiology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
91 citing papers in PubMed, 375 citations in OpenAlex.
- Light-responsive PyNAC90 orchestrates anthocyanin biosynthesis through combinatorial transcriptional activation and COP1-mediated degradation in pear.Molecular horticulture · 2026Article
- Effects of blue light and UV-B radiation during growth on photochemical yields during exposure to bright sunlight.BMC plant biology · 2026Article
- Plant tolerance mechanisms to DNA-damaging UV stress.Journal of experimental botany · 2025Review
- Learning from nature: phytochemical strategies to protect against UV-B damage.Nature communications · 2025Review
- Double defense: chemical and mechanical protection of the vegetative apices of Begonia curtii (Begoniaceae)-an endemic species of the Atlantic forest.Protoplasma · 2025Article
- Identification of GiOMT gene family in Glycyrrhiza inflata bat and expression analysis under UV-B stresses.BMC genomics · 2024Article
- Characterization of the 2ODD genes of DOXC subfamily and its members involved in flavonoids biosynthesis in Scutellaria baicalensis.BMC plant biology · 2024Article
- An integrated multi-omics approach reveals polymethoxylated flavonoid biosynthesis in Citrus reticulata cv. Chachiensis.Nature communications · 2024Article
- Review
- OsbZIP18 Is a Positive Regulator of Phenylpropanoid and Flavonoid Biosynthesis under UV-B Radiation in Rice.Plants (Basel, Switzerland) · 2024Article
- Structural Elucidation of Agrochemical Metabolic Transformation Products Based on Infrared Ion Spectroscopy to Improve In Silico Toxicity Assessment.Chemical research in toxicology · 2024Article
- Flavonols modulate plant development, signaling, and stress responses.Current opinion in plant biology · 2023Review
- Characterization of Solar Radiation-Induced Degradation Products of the Plant Sunscreen Sinapoyl Malate.ACS agricultural science & technology · 2023Article
- High resolution mapping of QTLs for fruit color and firmness in Amrapali/Sensation mango hybrids.Frontiers in plant science · 2023Article
- UV-B- triggered HFood chemistry: X · 2022Article
- Root growth direction in simulated microgravity is modulated by a light avoidance mechanism mediated by flavonols.Physiologia plantarum · 2022Article
- Radiationless mechanism of UV deactivation by cuticle phenolics in plants.Nature communications · 2022Article
- Plant Secondary Metabolites Produced in Response to Abiotic Stresses Has Potential Application in Pharmaceutical Product Development.Molecules (Basel, Switzerland) · 2022Review
- Multiomics Analyses of Two Sorghum Cultivars Reveal the Molecular Mechanism of Salt Tolerance.Frontiers in plant science · 2022Article
- Anthocyanins in photoprotection: knowing the actors in play to solve this complex ecophysiological issue.The New phytologist · 2021Article
31 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
The isolation and characterization of mutants hypersensitive to ultraviolet (UV) radiation has been a powerful tool to learn about the mechanisms that protect plants against UV-induced damage. To increase our understanding of the various mechanisms of defense against UVB radiation, we searched for mutations that would increase the level of tolerance of Arabidopsis plants to UV radiation. We describe a single gene dominant mutation (uvt1) that leads to a remarkable tolerance to UVB radiation conditions that would kill wild-type plants. Pigment analyses show a constitutive increase in accumulation of UV-absorbing compounds in uvt1 that increases the capacity of the leaves to block UVB radiation and therefore is likely to be responsible for the elevated resistance of this mutant to UVB radiation. These increases in absorption in the UV region are due, at least in part, to increases in flavonoid and sinapate accumulation. Expression of chalcone synthase (CHS) mRNA was shown to be constitutively elevated in uvt1 plants, suggesting that the increases in absorption may be a consequence of changes in gene expression. Expression of CHS in uvt1 was shown to be still inducible by UV, indicating that the uvt1 lesion may not affect the UV-mediated regulation of CHS gene expression. Our data support an important role for UV screens in the overall protection of plants to UVB radiation. The uvt1 mutant could prove to be an important tool to elucidate further the exact role of UV-absorbing pigments in UV protection as well as the relative contribution of other mechanisms to the overall tolerance of plants to UV radiation.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.