ArticleJournal of experimental botany2021
Gradients of cell wall nano-mechanical properties along and across elongating primary roots of maize.
Article in Journal of experimental botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 9 papers.
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9 citing papers in PubMed, 18 citations in OpenAlex.
- Article
- Tree Age-Related Differences in Chilling Resistance and Bark-Bleeding Physiological Responses to Chemical Component and Fiber Morphology Changes in Cell Walls ofPlants (Basel, Switzerland) · 2025Article
- External Glands ofInternational journal of molecular sciences · 2025Article
- Homogalacturonans and Hemicelluloses in the External Glands ofInternational journal of molecular sciences · 2024Article
- Not so hidden anymore: Advances and challenges in understanding root growth under water deficits.The Plant cell · 2024Review
- A conditional mutation in a wheat (Triticum aestivum L.) gene regulating root morphology.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Growing Maize Root: Lectins Involved in Consecutive Stages of Cell Development.Plants (Basel, Switzerland) · 2022Article
- Dynamics of cell wall polysaccharides during the elongation growth of rye primary roots.Planta · 2022Article
- Forgotten Actors: Glycoside Hydrolases During Elongation Growth of Maize Primary Root.Frontiers in plant science · 2021Article
Corrections and comments
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- Erratum issued
Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To test the hypothesis that particular tissues can control root growth, we analysed the mechanical properties of cell walls belonging to different tissues of the apical part of the maize root using atomic force microscopy. The dynamics of properties during elongation growth were characterized in four consecutive zones of the root. Extensive immunochemical characterization and quantification were used to establish the polysaccharide motif(s) related to changes in cell wall mechanics. Cell transition from division to elongation was coupled to the decrease in the elastic modulus in all root tissues. Low values of moduli were retained in the elongation zone and increased in the late elongation zone. No relationship between the immunolabelling pattern and mechanical properties of the cell walls was revealed. When measured values of elastic moduli and turgor pressure were used in the computational simulation, this resulted in an elastic response of the modelled root and the distribution of stress and strain similar to those observed in vivo. In all analysed root zones, cell walls of the inner cortex displayed moduli of elasticity that were maximal or comparable with the maximal values among all tissues. Thus, we propose that the inner cortex serves as a growth-limiting tissue in maize roots.
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