ArticleJournal of experimental botany2014
The effects of redox controls mediated by glutathione peroxidases on root architecture in Arabidopsis thaliana.
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 42 papers.
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Who cites it
42 citing papers in PubMed, 119 citations in OpenAlex.
- Article
- Physiological, biochemical, and transcriptomic analysis of castor (Ricinus communis L.) under foliar selenium treatment.BMC plant biology · 2025Article
- The Glutathione Peroxidase Gene Family inAntioxidants (Basel, Switzerland) · 2025Article
- Plasticity of Root Architecture and ROS-Auxin Regulation inPlants (Basel, Switzerland) · 2025Article
- The Manifestation of the Dual ROS-Processing and Redox Signaling Roles of Glutathione Peroxidase-like Enzymes in Development ofAntioxidants (Basel, Switzerland) · 2025Article
- GPX4 predicts poor prognosis and regulates tumor proliferation and senescence in colorectal adenocarcinoma.Oncology research · 2025Article
- Hydrogen peroxide modulates the expression of the target of rapamycin (TOR) and cell division in Arabidopsis thaliana.Protoplasma · 2024Article
- Article
- Biochemical and Functional Profiling of Thioredoxin-Dependent Cytosolic GPX-like Proteins inBiomolecules · 2024Article
- RsRbohD1 Plays a Significant Role in ROS Production during Radish Pithiness Development.Plants (Basel, Switzerland) · 2024Article
- Insights into the ameliorative effect of ZnONPs on arsenic toxicity in soybean mediated by hormonal regulation, transporter modulation, and stress responsive genes.Frontiers in plant science · 2024Article
- JGI Plant Gene Atlas: an updateable transcriptome resource to improve functional gene descriptions across the plant kingdom.Nucleic acids research · 2023Article
- Genome-Wide Analysis and Expression Profiling of the Glutathione Peroxidase-like Enzyme Gene Family inInternational journal of molecular sciences · 2023Article
- Integration of reactive oxygen species and nutrient signalling to shape root system architecture.Plant, cell & environment · 2023Review
- Non-volatile signals and redox mechanisms are required for the responses of Arabidopsis roots to Pseudomonas oryzihabitans.Journal of experimental botany · 2022Article
- The cytosolic thiol peroxidase PRXIIB is an intracellular sensor for HNature plants · 2022Article
- Plant Glutathione Peroxidases: Non-Heme Peroxidases with Large Functional Flexibility as a Core Component of ROS-Processing Mechanisms and Signalling.Antioxidants (Basel, Switzerland) · 2022Review
- Crosstalk between theInternational journal of molecular sciences · 2022Article
- Using plant growth-promoting microorganisms (PGPMs) to improve plant development under in vitro culture conditions.Planta · 2022Review
- Evolutionary and functional analyses demonstrate conserved ferroptosis protection by Arabidopsis GPXs in mammalian cells.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2021Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Glutathione peroxidases (GPXs) fulfil important functions in oxidative signalling and protect against the adverse effects of excessive oxidation. However, there has been no systematic characterization of the functions of the different GPX isoforms in plants. The roles of the different members of the Arabidopsis thaliana GPX gene (AtGPX) family were therefore investigated using gpx1, gpx2, gpx3, gpx4, gpx6, gpx7, and gpx8 T-DNA insertion mutant lines. The shoot phenotypes were largely similar in all genotypes, with small differences from the wild type observed only in the gpx2, gpx3, gpx7, and gpx8 mutants. In contrast, all the mutants showed altered root phenotypes compared with the wild type. The gpx1, gpx4, gpx6, gpx7, and gpx8 mutants had a significantly greater lateral root density (LRD) than the wild type. Conversely, the gpx2 and gpx3 mutants had significantly lower LRD values than the wild type. Auxin increased the LRD in all genotypes, but the effect of auxin was significantly greater in the gpx1, gpx4, and gpx7 mutants than in the wild type. The application of auxin increased GPX4 and GPX7 transcripts, but not GPX1 mRNAs in the roots of wild-type plants. The synthetic strigolactone GR24 and abscisic acid (ABA) decreased LRD to a similar extent in all genotypes, except gpx6, which showed increased sensitivity to ABA. These data not only demonstrate the importance of redox controls mediated by AtGPXs in the control of root architecture but they also show that the plastid-localized GPX1 and GPX7 isoforms are required for the hormone-mediated control of lateral root development.
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