ArticleThe New phytologist2014
Mechanical modelling quantifies the functional importance of outer tissue layers during root elongation and bending.
Article in The New phytologist, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 65 citations in OpenAlex.
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- Root angle is controlled byProceedings of the National Academy of Sciences of the United States of America · 2022Article
- Plant root growth against a mechanical obstacle: the early growth response of a maize root facing an axial resistance is consistent with the Lockhart model.Journal of the Royal Society, Interface · 2022Article
- Cell biology of the leaf epidermis: Fate specification, morphogenesis, and coordination.The Plant cell · 2022Review
- Targeted expression of the arsenate reductase HAC1 identifies cell type specificity of arsenic metabolism and transport in plant roots.Journal of experimental botany · 2021Article
- A field theory for plant tropisms.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
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- An Integrative Model of Plant Gravitropism Linking Statoliths Position and Auxin Transport.Frontiers in plant science · 2021Article
- In situ measurement of cell stiffness of Arabidopsis roots growing on a glass micropillar support by atomic force microscopy.Plant biotechnology (Tokyo, Japan) · 2020Article
- GRANAR, a Computational Tool to Better Understand the Functional Importance of Monocotyledon Root Anatomy.Plant physiology · 2020Article
- Article
- Model selection and parameter estimation for root architecture models using likelihood-free inference.Journal of the Royal Society, Interface · 2019Article
- Coupling water fluxes with cell wall mechanics in a multicellular model of plant development.PLoS computational biology · 2019Article
- A Spatiotemporal DNA Endoploidy Map of the Arabidopsis Root Reveals Roles for the Endocycle in Root Development and Stress Adaptation.The Plant cell · 2018Article
- The plant hormone ethylene restrictsProceedings of the National Academy of Sciences of the United States of America · 2018Article
- A dynamic genetic-hormonal regulatory network model explains multiple cellular behaviors of the root apical meristem of Arabidopsis thaliana.PLoS computational biology · 2017Article
- The Transcription Factor ATHB5 Affects GA-Mediated Plasticity in Hypocotyl Cell Growth during Seed Germination.Plant physiology · 2017Article
- The Impact of Microfibril Orientations on the Biomechanics of Plant Cell Walls and Tissues.Bulletin of mathematical biology · 2016Article
Corrections and comments
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Authors and funding
14 authors at 4 institutions in 1 country.
Funding
Abstract
Root elongation and bending require the coordinated expansion of multiple cells of different types. These processes are regulated by the action of hormones that can target distinct cell layers. We use a mathematical model to characterise the influence of the biomechanical properties of individual cell walls on the properties of the whole tissue. Taking a simple constitutive model at the cell scale which characterises cell walls via yield and extensibility parameters, we derive the analogous tissue-level model to describe elongation and bending. To accurately parameterise the model, we take detailed measurements of cell turgor, cell geometries and wall thicknesses. The model demonstrates how cell properties and shapes contribute to tissue-level extensibility and yield. Exploiting the highly organised structure of the elongation zone (EZ) of the Arabidopsis root, we quantify the contributions of different cell layers, using the measured parameters. We show how distributions of material and geometric properties across the root cross-section contribute to the generation of curvature, and relate the angle of a gravitropic bend to the magnitude and duration of asymmetric wall softening. We quantify the geometric factors which lead to the predominant contribution of the outer cell files in driving root elongation and bending.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.