ArticleJournal of experimental botany2016
Alkaline stress and iron deficiency regulate iron uptake and riboflavin synthesis gene expression differently in root and leaf tissue: implications for iron deficiency chlorosis.
Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 79 citations in OpenAlex.
- Greenhouse Vertical Cultivation to Improve Production Earliness and Fruit Yield and Quality of Melon.Plants (Basel, Switzerland) · 2026Article
- Developmental and Stress-Mediated Transcriptional Shifts in Riboflavin Metabolism Pathway in Arabidopsis.Genes · 2025Article
- Mitigation of alkaline stress and iron deficiency in Petunia hybrida through resveratrol-induced physiological and nutrient responses.BMC plant biology · 2025Article
- Functional Analysis ofCurrent issues in molecular biology · 2025Article
- Iron limitation-induced endophytic Ammoniphilus assemblage promotes root apoplastic iron remobilization by attenuation of salicylic acid pathways.NPJ biofilms and microbiomes · 2025Article
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- The activation of iron deficiency responses of grapevine rootstocks is dependent to the availability of the nitrogen forms.BMC plant biology · 2024Article
- Alkaline and acidic soil constraints on iron accumulation by Rice cultivars in relation to several physio-biochemical parameters.BMC plant biology · 2023Article
- Supramolecular Arrangement of Lignosulfonate-Based Iron Heteromolecular Complexes and Consequences of Their Interaction with CaJournal of agricultural and food chemistry · 2023Article
- A genome-wide association study identifies novel players in Na and Fe homeostasis in Arabidopsis thaliana under alkaline-salinity stress.The Plant journal : for cell and molecular biology · 2023Article
- Biotic stress-induced changes in root exudation confer plant stress tolerance by altering rhizospheric microbial community.Frontiers in plant science · 2023Review
- Transcriptomics Reveals Fast Changes in Salicylate and Jasmonate Signaling Pathways in Shoots of Carbonate-TolerantInternational journal of molecular sciences · 2021Article
- Article
- Mimosine facilitates metallic cation uptake by plants through formation of mimosine-cation complexes.Plant molecular biology · 2020Article
- Flax (Linum usitatissimum L.) response to non-optimal soil acidity and zinc deficiency.BMC plant biology · 2019Article
- The Nicotiana tabacum ABC transporter NtPDR3 secretes O-methylated coumarins in response to iron deficiency.Journal of experimental botany · 2018Article
- Gene Expression Profiling of Iron Deficiency Chlorosis Sensitive and Tolerant Soybean Indicates Key Roles for Phenylpropanoids under Alkalinity Stress.Frontiers in plant science · 2018Article
- Mapping and Characterization of theFrontiers in plant science · 2017Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Iron (Fe) is an essential mineral that has low solubility in alkaline soils, where its deficiency results in chlorosis. Whether low Fe supply and alkaline pH stress are equivalent is unclear, as they have not been treated as separate variables in molecular physiological studies. Additionally, molecular responses to these stresses have not been studied in leaf and root tissues simultaneously. We tested how plants with the Strategy I Fe uptake system respond to Fe deficiency at mildly acidic and alkaline pH by measuring root ferric chelate reductase (FCR) activity and expression of selected Fe uptake genes and riboflavin synthesis genes. Alkaline pH increased cucumber (Cucumis sativus L.) root FCR activity at full Fe supply, but alkaline stress abolished FCR response to low Fe supply. Alkaline pH or low Fe supply resulted in increased expression of Fe uptake genes, but riboflavin synthesis genes responded to Fe deficiency but not alkalinity. Iron deficiency increased expression of some common genes in roots and leaves, but alkaline stress blocked up-regulation of these genes in Fe-deficient leaves. In roots of the melon (Cucumis melo L.) fefe mutant, in which Fe uptake responses are blocked upstream of Fe uptake genes, alkaline stress or Fe deficiency up-regulation of certain Fe uptake and riboflavin synthesis genes was inhibited, indicating a central role for the FeFe protein. These results suggest a model implicating shoot-to-root signaling of Fe status to induce Fe uptake gene expression in roots.
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