ArticleFrontiers in plant science2016
Salt Stress Affects the Redox Status of Arabidopsis Root Meristems.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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Who cites it
59 citing papers in PubMed.
- Synergistic application of melatonin and methyl jasmonate mitigates drought-induced oxidative and photosynthetic impairment inPlant signaling & behavior · 2026Article
- Dissecting the ROS signalling component of salinity tolerance: tissue-specific K+/Na+ homeostasis in quinoa and spinach roots.Journal of experimental botany · 2026Article
- Article
- Fenlong-ridging combined with composite modifier reconstructs soil microbiome to mitigate saline stress and enhance sustainable cultivation of Isatis indigotica Fortune.Scientific reports · 2025Article
- Physiological and Transcriptional Regulation of Salt Tolerance inPlants (Basel, Switzerland) · 2025Article
- Redox buffering and HThe Plant journal : for cell and molecular biology · 2025Article
- The Manifestation of the Dual ROS-Processing and Redox Signaling Roles of Glutathione Peroxidase-like Enzymes in Development ofAntioxidants (Basel, Switzerland) · 2025Article
- Salt stress-accelerated proteasomal degradation of LBD11 suppresses ROS-mediated meristem development and root growth in Arabidopsis.Plant communications · 2025Article
- High concentration of phosphate treatment increased the tolerance of Robinia pseudoacacia roots to salt stress.Plant cell reports · 2025Article
- Salinity survival: molecular mechanisms and adaptive strategies in plants.Frontiers in plant science · 2025Review
- Exploring Natural Variations inPlants (Basel, Switzerland) · 2024Article
- Transcriptome Profiling Reveals Molecular Responses to Salt Stress in Common Vetch (Plants (Basel, Switzerland) · 2024Article
- Integration of Physiological, Transcriptomic, and Metabolomic Analyses Reveal Molecular Mechanisms of Salt Stress inPlants (Basel, Switzerland) · 2024Article
- Gallic acid regulates primary root elongation via modulating auxin transport and signal transduction.Frontiers in plant science · 2024Article
- The Morphological Parameters and Cytosolic pH of Cells of Root Zones in Tobacco Plants (Plants (Basel, Switzerland) · 2023Article
- Immunolocalization of Jasmonates and Auxins in Pea Roots in Connection with Inhibition of Root Growth under Salinity Conditions.International journal of molecular sciences · 2023Article
- Redox Regulation of Salt Tolerance inInternational journal of molecular sciences · 2023Article
- Glutathione Transferases Are Involved in the Genotype-Specific Salt-Stress Response of Tomato Plants.Antioxidants (Basel, Switzerland) · 2023Article
- microRNA165 and 166 modulate response of the Arabidopsis root apical meristem to salt stress.Communications biology · 2023Article
- How Plants Tolerate Salt Stress.Current issues in molecular biology · 2023Review
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4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report the redox status (profiles) for specific populations of cells that comprise the Arabidopsis root tip. For recently germinated, 3-5-day-old seedlings we show that the region of the root tip with the most reduced redox status includes the root cap initials, the quiescent center and the most distal portion of the proximal meristem, and coincides with (overlays) the region of the auxin maximum. As one moves basally, further into the proximal meristem, and depending on the growth conditions, the redox status becomes more oxidized, with a 5-10 mV difference in redox potential between the two borders delimiting the proximal meristem. At the point on the root axis at which cells of the proximal meristem cease division and enter the transition zone, the redox potential levels off, and remains more or less unchanged throughout the transition zone. As cells leave the transition zone and enter the zone of elongation the redox potentials become more oxidized. Treating roots with salt (50, 100, and 150 mM NaCl) results in marked changes in root meristem structure and development, and is preceded by changes in the redox profile, which flattens, and initially becomes more oxidized, with pronounced changes in the redox potentials of the root cap, the root cap initials and the quiescent center. Roots exposed to relatively mild levels of salt (<100 mM) are able to re-establish a normal, pre-salt treatment redox profile 3-6 days after exposure to salt. Coincident with the salt-associated changes in redox profiles are changes in the distribution of auxin transporters (AUX1, PIN1/2), which become more diffuse in their localization. We conclude that salt stress affects root meristem maintenance, in part, through changes in redox and auxin transport.
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