ArticlePlant physiology2011
Apoplastic alkalinization is instrumental for the inhibition of cell elongation in the Arabidopsis root by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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Who cites it
48 citing papers in PubMed, 101 citations in OpenAlex.
- Root developmental zonation is independent of cell wall pH.Nature plants · 2026Article
- Cellular pH homeostasis shapes root system architecture by modulating auxin-mediated developmental responses.Plant physiology · 2025Article
- To grow or not to grow: the enigma of plant root growth dynamism.Plant molecular biology · 2025Review
- Not so hidden anymore: Advances and challenges in understanding root growth under water deficits.The Plant cell · 2024Review
- Article
- Cell Wall Integrity Signaling in Fruit Ripening.International journal of molecular sciences · 2023Review
- Article
- The root apoplastic pH as an integrator of plant signaling.Frontiers in plant science · 2022Review
- Towards Understanding the Involvement of HMolecules (Basel, Switzerland) · 2021Article
- pH biosensing in the plant apoplast-a focus on root cell elongation.Plant physiology · 2021Review
- Article
- Characterization of Dynamic Regulatory Gene and Protein Networks in Wheat Roots Upon Perceiving Water Deficit Through Comparative Transcriptomics Survey.Frontiers in plant science · 2021Article
- Arbuscular Mycorrhizal Fungi Alleviate Drought Stress in Trifoliate Orange by Regulating HFrontiers in plant science · 2021Article
- Danger-Associated Peptide Regulates Root Growth by Promoting Protons Extrusion in an AHA2-Dependent Manner inInternational journal of molecular sciences · 2020Article
- Role ofPlant direct · 2020Article
- The physiological mechanism underlying root elongation in response to nitrogen deficiency in crop plants.Planta · 2020Review
- Full-Length Transcriptome Analysis of theInternational journal of molecular sciences · 2020Article
- Pathogen-induced pH changes regulate the growth-defense balance in plants.The EMBO journal · 2019Article
- Physiological Diversity of Spitsbergen Soil Microbial Communities Suggests Their Potential as Plant Growth-Promoting Bacteria.International journal of molecular sciences · 2019Article
- Tolerance of Iron-Deficient and -Toxic Soil Conditions in Rice.Plants (Basel, Switzerland) · 2019Review
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In Arabidopsis (Arabidopsis thaliana; Columbia-0) roots, the so-called zone of cell elongation comprises two clearly different domains: the transition zone, a postmeristematic region (approximately 200-450 μm proximal of the root tip) with a low rate of elongation, and a fast elongation zone, the adjacent proximal region (450 μm away from the root tip up to the first root hair) with a high rate of elongation. In this study, the surface pH was measured in both zones using the microelectrode ion flux estimation technique. The surface pH is highest in the apical part of the transition zone and is lowest at the basal part of the fast elongation zone. Fast cell elongation is inhibited within minutes by the ethylene precursor 1-aminocyclopropane-1-carboxylic acid; concomitantly, apoplastic alkalinization occurs in the affected root zone. Fusicoccin, an activator of the plasma membrane H(+)-ATPase, can partially rescue this inhibition of cell elongation, whereas the inhibitor N,N'-dicyclohexylcarbodiimide does not further reduce the maximal cell length. Microelectrode ion flux estimation experiments with auxin mutants lead to the final conclusion that control of the activity state of plasma membrane H(+)-ATPases is one of the mechanisms by which ethylene, via auxin, affects the final cell length in the root.
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