ArticleThe Plant cell2014
TAA1-regulated local auxin biosynthesis in the root-apex transition zone mediates the aluminum-induced inhibition of root growth in Arabidopsis.
Article in The Plant cell, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 87 papers.
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87 citing papers in PubMed, 206 citations in OpenAlex.
- Root Surface Electrochemical Properties Correlate with Salt Tolerance and Sodium Adsorption inPlants (Basel, Switzerland) · 2026Article
- Integrated physiological and transcriptomic analyses reveal MT-mediated aluminum tolerance mechanisms in celery.BMC plant biology · 2026Article
- Hormonal Status and the Probable Role of Phytohormones in Response of Pea Cultivar Sparkle and Mutant E107 (Plants (Basel, Switzerland) · 2026Article
- A novel SlSTOP1-SlHAK5-cytosolic pH feedback loop drives dual adaptation to proton and aluminum toxicity in tomato.Horticulture research · 2025Article
- Stimulatory Effect of Aluminum in Root Development ofInternational journal of molecular sciences · 2025Article
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- Revealing critical mechanisms involved in carbon nanosol-mediated tobacco growth using small RNA and mRNA sequencing in silico approach.BMC plant biology · 2024Article
- Towards sustainable use of acidic soils: Deciphering aluminum-resistant mechanisms in plants.Fundamental research · 2024Review
- Combined BSA-Seq and RNA-Seq Analysis to Identify Candidate Genes Associated with Aluminum Toxicity in Rapeseed (International journal of molecular sciences · 2024Article
- Systematic Investigation of Aluminum Stress-Related Genes and Their Critical Roles in Plants.International journal of molecular sciences · 2024Review
- Genome-Wide Identification, Expression, and Interaction Analysis of the Auxin Response Factor andInternational journal of molecular sciences · 2024Article
- The RAE1-STOP1-GL2-RHD6 module regulates the ALMT1-dependent aluminum resistance in Arabidopsis.Nature communications · 2024Article
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- Protein Phosphorylation Orchestrates Acclimations of Arabidopsis Plants to Environmental pH.Molecular & cellular proteomics : MCP · 2024Article
- The determination of peanut (Arachis hypogaea L.) pod-sizes during the rapid-growth stage by phytohormones.BMC plant biology · 2023Article
- Al-induced CsUGT84J2 enhances flavonol and auxin accumulation to promote root growth in tea plants.Horticulture research · 2023Article
- Different effects of gellan gum and agar on change in root elongation in Arabidopsis thaliana by polyploidization: the key role of aluminum.Journal of plant research · 2023Article
- Maintenance of stem cell activity in plant development and stress responses.Frontiers in plant science · 2023Review
27 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The transition zone (TZ) of the root apex is the perception site of Al toxicity. Here, we show that exposure of Arabidopsis thaliana roots to Al induces a localized enhancement of auxin signaling in the root-apex TZ that is dependent on TAA1, which encodes a Trp aminotransferase and regulates auxin biosynthesis. TAA1 is specifically upregulated in the root-apex TZ in response to Al treatment, thus mediating local auxin biosynthesis and inhibition of root growth. The TAA1-regulated local auxin biosynthesis in the root-apex TZ in response to Al stress is dependent on ethylene, as revealed by manipulating ethylene homeostasis via the precursor of ethylene biosynthesis 1-aminocyclopropane-1-carboxylic acid, the inhibitor of ethylene biosynthesis aminoethoxyvinylglycine, or mutant analysis. In response to Al stress, ethylene signaling locally upregulates TAA1 expression and thus auxin responses in the TZ and results in auxin-regulated root growth inhibition through a number of auxin response factors (ARFs). In particular, ARF10 and ARF16 are important in the regulation of cell wall modification-related genes. Our study suggests a mechanism underlying how environmental cues affect root growth plasticity through influencing local auxin biosynthesis and signaling.
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