ArticlePlant physiology2004
A methyl viologen-resistant mutant of Arabidopsis, which is allelic to ozone-sensitive rcd1, is tolerant to supplemental ultraviolet-B irradiation.
Article in Plant physiology, 2004. 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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61 citing papers in PubMed, 165 citations in OpenAlex.
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- Boundary-line trade-off in bryophytes between UV photoprotection and photosynthetic capacity, but not desiccation tolerance.Annals of botany · 2026Article
- Evolutionary and functional characterization of BBX genes in the barley pangenome.BMC plant biology · 2026Article
- Screening for GmRCD1-Interacting Proteins in Glycine Max and Characterization of the GmRCD1-GmNAC058 Interaction.International journal of molecular sciences · 2025Article
- Claudin-12: guardian of the tissue barrier or friend of tumor cells.Tissue barriers · 2025Review
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- RCD1 Promotes Salt Stress Tolerance inInternational journal of molecular sciences · 2023Article
- High ultraviolet-B sensitivity due to lower CPD photolyase activity is needed for biotic stress response to the rice blast fungus, Magnaporthe oryzae.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2023Article
- Article
- Metabolite Profiling of Paraquat TolerantAntioxidants (Basel, Switzerland) · 2022Article
- Small paraquat resistance proteins modulate paraquat and ABA responses and confer drought tolerance to overexpressing Arabidopsis plants.Plant, cell & environment · 2022Article
- Understanding paraquat resistance mechanisms in Arabidopsis thaliana to facilitate the development of paraquat-resistant crops.Plant communications · 2022Review
- Genome-wide and expression analysis of B-box gene family in pepper.BMC genomics · 2021Article
- Comprehensive Analysis ofInternational journal of molecular sciences · 2021Article
- Genome-Wide Identification, Evolution, and Comparative Analysis of B-Box Genes inInternational journal of molecular sciences · 2021Article
- Retrograde Signaling: Understanding the Communication between Organelles.International journal of molecular sciences · 2020Review
- Dissecting the interaction of photosynthetic electron transfer with mitochondrial signalling and hypoxic response in the ArabidopsisPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
- Isolation and Identification ofInternational journal of molecular sciences · 2020Article
- Primary Metabolite Responses to Oxidative Stress in Early-Senescing and Paraquat ResistantFrontiers in plant science · 2020Article
- Genome-wide characterization of a SRO gene family involved in response to biotic and abiotic stresses in banana (Musa spp.).BMC plant biology · 2019Article
1 more citing papers are in PubMed but not listed here.
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6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To better understand the role of active oxygen species (AOS) in acquired resistance to increased levels of ultraviolet (UV)-B irradiation in plants, we isolated an Arabidopsis mutant that is resistant to methyl viologen, and its sensitivity to UV-B was investigated. A complementation test revealed that the obtained mutant was allelic to the ozone-sensitive radical-induced cell death1-1 (rcd1-1). Therefore, this mutant was named rcd1-2. rcd1-2 was recessive and nearly 4-fold more resistant to methyl viologen than wild type. It exhibited a higher tolerance to short-term UV-B supplementation treatments than the wild type: UV-B-induced formation of cyclobutane pyrimidine dimers was reduced by one-half after 24 h of exposure; the decrease in quantum yield of photosystem II was also diminished by 40% after 12 h of treatment. Furthermore, rcd1-2 was tolerant to freezing. Steady-state mRNA levels of plastidic Cu/Zn superoxide dismutase and stromal ascorbate peroxidase were higher in rcd1-2 than in wild type, and the mRNA level of the latter enzyme was enhanced by UV-B exposure more effectively in rcd1-2. UV-B-absorbing compounds were more accumulated in rcd1-2 than in wild type after UV-B exposure for 24 h. These findings suggest that rcd1-2 methyl viologen resistance is due to the enhanced activities of the AOS-scavenging enzymes in chloroplasts and that the acquired tolerance to the short-term UV-B exposure results from a higher accumulation of sunscreen pigments. rcd1 appears to be a mutant that constitutively shows stress responses, leading to accumulation of more pigments and AOS-scavenging enzymes without any stresses.
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