ArticlePlant molecular biology2013
The Arabidopsis thaliana mutant air1 implicates SOS3 in the regulation of anthocyanins under salt stress.
Article in Plant molecular biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Flavonoids in Plant Salt Stress Responses: Biosynthesis, Regulation, Functions, and Signaling Networks.Plants (Basel, Switzerland) · 2026Review
- Global analysis of soybean bZIP gene family under stress and identification of salt-stress-responsive candidate genes.Frontiers in plant science · 2026Article
- Application of nanoparticles for salinity stress management and biofortification in wheat: a review of dual approaches and insights.Frontiers in plant science · 2025Review
- Enhancing Crop Resilience: The Role of Plant Genetics, Transcription Factors, and Next-Generation Sequencing in Addressing Salt Stress.International journal of molecular sciences · 2024Review
- Plants' Response Mechanisms to Salinity Stress.Plants (Basel, Switzerland) · 2023Review
- Salinity stress-induced phosphorylation of INDETERMINATE-DOMAIN 4 (IDD4) by MPK6 regulates plant growth adaptation inFrontiers in plant science · 2023Article
- SWO1 modulates cell wall integrity under salt stress by interacting with importin ɑ in Arabidopsis.Stress biology · 2021Article
- NaCl-Induced Elicitation Alters Physiology and Increases Accumulation of Phenolic Compounds inInternational journal of molecular sciences · 2021Article
- Physiological and Biochemical Traits of Two MajorFrontiers in plant science · 2021Article
- Review
- Alfalfa MsCBL4 enhances calcium metabolism but not sodium transport in transgenic tobacco under salt and saline-alkali stress.Plant cell reports · 2020Article
- Calcium signalling regulates the functions of the bZIP protein VIP1 in touch responses in Arabidopsis thaliana.Annals of botany · 2018Article
- The zinc-finger transcription factor ZAT6 is essential for hydrogen peroxide induction of anthocyanin synthesis in Arabidopsis.Plant molecular biology · 2018Article
- Transcriptomic analysis of Arabidopsis thaliana plants treated with the Ky-9 and Ky-72 histone deacetylase inhibitors.Plant signaling & behavior · 2018Article
- Possible inhibition of Arabidopsis VIP1-mediated mechanosensory signaling by streptomycin.Plant signaling & behavior · 2018Article
- VIP1 is very important/interesting protein 1 regulating touch responses of Arabidopsis.Plant signaling & behavior · 2016Article
- Article
- High-Throughput Non-destructive Phenotyping of Traits that Contribute to Salinity Tolerance inFrontiers in plant science · 2016Article
- Global Gene-Expression Analysis to Identify Differentially Expressed Genes Critical for the Heat Stress Response in Brassica rapa.PloS one · 2015Article
- Phosphoproteomic Analyses Reveal Early Signaling Events in the Osmotic Stress Response.Plant physiology · 2014Article
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Authors and funding
5 authors.
Funding
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Abstract
The accumulation of anthocyanins in plants exposed to salt stress has been largely documented. However, the functional link and regulatory components underlying the biosynthesis of these molecules during exposure to stress are largely unknown. In a screen of second site suppressors of the salt overly sensitive3-1 (sos3-1) mutant, we isolated the anthocyanin-impaired-response-1 (air1) mutant. air1 is unable to accumulate anthocyanins under salt stress, a key phenotype of sos3-1 under high NaCl levels (120 mM). The air1 mutant showed a defect in anthocyanin production in response to salt stress but not to other stresses such as high light, low phosphorous, high temperature or drought stress. This specificity indicated that air1 mutation did not affect anthocyanin biosynthesis but rather its regulation in response to salt stress. Analysis of this mutant revealed a T-DNA insertion at the first exon of an Arabidopsis thaliana gene encoding for a basic region-leucine zipper transcription factor. air1 mutants displayed higher survival rates compared to wild-type in oxidative stress conditions, and presented an altered expression of anthocyanin biosynthetic genes such as F3H, F3'H and LDOX in salt stress conditions. The results presented here indicate that AIR1 is involved in the regulation of various steps of the flavonoid and anthocyanin accumulation pathways and is itself regulated by the salt-stress response signalling machinery. The discovery and characterization of AIR1 opens avenues to dissect the connections between abiotic stress and accumulation of antioxidants in the form of flavonoids and anthocyanins.
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