ArticleScientific reports2015
Elevation of NO production increases Fe immobilization in the Fe-deficiency roots apoplast by decreasing pectin methylation of cell wall.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 56 citations in OpenAlex.
- Iron Deficiency Reduces Cadmium Translocation in Peanut by Increasing the Root Cell Wall Reservoir.Plants (Basel, Switzerland) · 2026Article
- Identification of Dirigent (DIR) genes in apple (Malus domestica) displays the role of MdDIR7 in iron (Fe)-deficiency stress tolerance.Plant cell reports · 2026Article
- Root cell wall plasticity in iron homeostasis: an overlooked frontier in plant nutrition.The New phytologist · 2026Review
- Phenolic Compounds Enhance Aluminum Tolerance in Chinese Fir (Plants (Basel, Switzerland) · 2025Article
- Imaging of labile Fe2+ and Fe3+ in living Arabidopsis thaliana roots.Plant physiology · 2024Article
- NO Is Not the Same as GSNO in the Regulation of Fe Deficiency Responses by Dicot Plants.International journal of molecular sciences · 2023Review
- Physiological and Transcriptome Analyses Revealed the Mechanism by Which Deferoxamine Promotes Iron Absorption inInternational journal of molecular sciences · 2022Article
- Aluminum-Induced Alterations to the Cell Wall and Antioxidant Enzymes Involved in the Regulation of the Aluminum Tolerance of Chinese Fir (Frontiers in plant science · 2022Article
- Ethylene and Nitric Oxide Involvement in the Regulation of Fe and P Deficiency Responses in Dicotyledonous Plants.International journal of molecular sciences · 2021Review
- Molecular functions of nitric oxide and its potential applications in horticultural crops.Horticulture research · 2021Review
- Visualization of Nitric Oxide, Measurement of Nitrosothiols Content, Activity of NOS and NR in Wheat Seedlings.Bio-protocol · 2019Article
- The Adaptive Mechanism of Plants to Iron Deficiency via Iron Uptake, Transport, and Homeostasis.International journal of molecular sciences · 2019Review
- Elevated COProtoplasma · 2019Article
- Aluminium-induced reduction of plant growth in alfalfa (Medicago sativa) is mediated by interrupting auxin transport and accumulation in roots.Scientific reports · 2016Article
- Decreasing methylation of pectin caused by nitric oxide leads to higher aluminium binding in cell walls and greater aluminium sensitivity of wheat roots.Journal of experimental botany · 2016Article
- The Early Response to Urea, Nitrate, or Ammonium and Iron Resupply in Tomato Roots Highlights the Induction of FER, bHLHs, UMAMITs, and MATEs.Physiologia plantarumArticle
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7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cell wall is the major component of root apoplast which is the main reservoir for iron in roots, while nitric oxide (NO) is involved in regulating the synthesis of cell wall. However, whether such regulation could influence the reutilization of iron stored in root apoplast remains unclear. In this study, we observed that iron deficiency elevated NO level in tomato (Solanum lycopersicum) roots. However, application of S-nitrosoglutathione, a NO donor, significantly enhanced iron retention in root apoplast of iron-deficient plants, accompanied with a decrease of iron level in xylem sap. Consequently, S-nitrosoglutathione treatment increased iron concentration in roots, but decreased it in shoots. The opposite was true for the NO scavenging treatment with 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (cPTIO). Interestingly, S-nitrosoglutathione treatment increased pectin methylesterase activity and decreased degree of pectin methylation in root cell wall of both iron-deficient and iron-sufficient plants, which led to an increased iron retention in pectin fraction, thus increasing the binding capacity of iron to the extracted cell wall. Altogether, these results suggested that iron-deficiency-induced elevation of NO increases iron immobilization in root apoplast by decreasing pectin methylation in cell wall.
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