ArticleJournal of experimental botany2014
UV-B inhibition of hypocotyl growth in etiolated Arabidopsis thaliana seedlings is a consequence of cell cycle arrest initiated by photodimer accumulation.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 71 citations in OpenAlex.
- The photoreactivation of 6 - 4 photoproducts in chloroplast and nuclear DNA depends on the amount of the Arabidopsis UV repair defective 3 protein.BMC plant biology · 2024Article
- UV-B induced flavonoid accumulation and related gene expression in blue- grained wheat at different periods of time.Frontiers in plant science · 2024Article
- Ultraviolet-B radiation in relation to agriculture in the context of climate change: a review.Cereal research communications · 2023Review
- A long non-coding RNAPeerJ · 2023Article
- Aux/IAA11 Is Required for UV-AB Tolerance and Auxin Sensing in Arabidopsis thalianaInternational journal of molecular sciences · 2022Article
- Effects and Mechanism of Enhanced UV-B Radiation on the Flag Leaf Angle of Rice.International journal of molecular sciences · 2022Article
- Ultraviolet-B Radiation Represses Primary Root Elongation by Inhibiting Cell Proliferation in the Meristematic Zone of Arabidopsis Seedlings.Frontiers in plant science · 2022Article
- Proteomic analysis response of rice (Frontiers in plant science · 2022Article
- β-Sitosterol differentially regulates key metabolites for growth improvement and stress tolerance in rice plants during prolonged UV-B stress.Journal, genetic engineering & biotechnology · 2021Article
- Review
- The Plant DNA Damage Response: Signaling Pathways Leading to Growth Inhibition and Putative Role in Response to Stress Conditions.Frontiers in plant science · 2019Review
- STO and GA negatively regulate UV-B-inducedPlant signaling & behavior · 2019Article
- The XPF-ERCC1 Complex Is Essential for Genome Stability and Is Involved in the Mechanism of Gene Targeting inFrontiers in plant science · 2019Article
- SOG1 activator and MYB3R repressors regulate a complex DNA damage network inProceedings of the National Academy of Sciences of the United States of America · 2018Article
- Extrapolation of significant genes and transcriptional regulatory networks involved in Zea mays in response in UV-B stress.Genes & genomics · 2018Article
- DNA double-strand breaks promote endoreduplication in radish cotyledon.Plant cell reports · 2018Article
- UV-B Radiation Induces Root Bending Through the Flavonoid-Mediated Auxin Pathway inFrontiers in plant science · 2018Article
- UV-B Inhibits Leaf Growth through Changes in Growth Regulating Factors and Gibberellin Levels.Plant physiology · 2017Article
- SHORT HYPOCOTYL1 Encodes a SMARCA3-Like Chromatin Remodeling Factor Regulating Elongation.Plant physiology · 2016Article
- ABCB19-mediated polar auxin transport modulates Arabidopsis hypocotyl elongation and the endoreplication variant of the cell cycle.The Plant journal : for cell and molecular biology · 2016Article
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3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ultraviolet (UV) radiation is an important constituent of sunlight that determines plant morphology and growth. It induces photomorphogenic responses but also causes damage to DNA. Arabidopsis mutants of the endonucleases that function in nucleotide excision repair, xpf-3 and uvr1-1, showed hypersensitivity to UV-B (280-320nm) in terms of inhibition of hypocotyl growth. SOG1 is a transcription factor that functions in the DNA damage signalling response after γ-irradiation. xpf mutants that carry the sog1-1 mutation showed hypocotyl growth inhibition after UV-B irradiation similar to the wild type. A DNA replication inhibitor, hydroxyurea (HU), also inhibited hypocotyl growth in etiolated seedlings, but xpf-3 was not hypersensitive to HU. UV-B irradiation induced accumulation of the G2/M-specific cell cycle reporter construct CYCB1;1-GUS in wild-type Arabidopsis seedlings that was consistent with the expected accumulation of photodimers and coincided with the time course of hypocotyl growth inhibition after UV-B treatment. Etiolated mutants of UVR8, a recently described UV-B photoreceptor gene, irradiated with UV-B showed inhibition of hypocotyl growth that was not different from that of the wild type, but they lacked UV-B-specific expression of chalcone synthase (CHS), as expected from previous reports. CHS expression after UV-B irradiation was not different in xpf-3 compared with the wild type, nor was it altered after HU treatment. These results suggest that hypocotyl growth inhibition by UV-B light in etiolated Arabidopsis seedlings, a photomorphogenic response, is dictated by signals originating from UV-B absorption by DNA that lead to cell cycle arrest. This process occurs distinct from UVR8 and its signalling pathway responsible for CHS induction.
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