ArticleProceedings of the National Academy of Sciences of the United States of America2009
Turning a plant tissue into a living cell froth through isotropic growth.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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50 citing papers in PubMed, 131 citations in OpenAlex.
- Inferring cell division from cell shape.The Plant cell · 2026Article
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- Auxin-mediated stress relaxation in pericycle and endoderm remodeling drives lateral root initiation.Biophysical journal · 2025Article
- Arabidopsis floral buds are locked through stress-induced sepal tip curving.Nature plants · 2024Article
- Spatiotemporally distinct responses to mechanical forces shape the developing seed of Arabidopsis.The EMBO journal · 2024Article
- Xyloglucan deficiency leads to a reduction in turgor pressure and changes in cell wall properties, affecting early seedling establishment.Current biology : CB · 2024Article
- Increased gene expression variability hinders the formation of regional mechanical conflicts leading to reduced organ shape robustness.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Sculpting with stiffness: rigidity as a regulator of morphogenesis.Biochemical Society transactions · 2023Review
- Probing stress-regulated ordering of the plant cortical microtubule array via a computational approach.BMC plant biology · 2023Article
- Combined computational modeling and experimental analysis integrating chemical and mechanical signals suggests possible mechanism of shoot meristem maintenance.PLoS computational biology · 2022Article
- Future Challenges in Plant Systems Biology.Methods in molecular biology (Clifton, N.J.) · 2022Review
- What shoots can teach about theories of plant form.Nature plants · 2021Review
- Turing conditions for pattern forming systems on evolving manifolds.Journal of mathematical biology · 2021Article
- Shaping the Organ: A Biologist Guide to Quantitative Models of Plant Morphogenesis.Frontiers in plant science · 2021Review
- Coupling water fluxes with cell wall mechanics in a multicellular model of plant development.PLoS computational biology · 2019Article
- Are microtubules tension sensors?Nature communications · 2019Review
- ImageJ SurfCut: a user-friendly pipeline for high-throughput extraction of cell contours from 3D image stacks.BMC biology · 2019Article
- Influence of Curvature, Growth, and Anisotropy on the Evolution of Turing Patterns on Growing Manifolds.Bulletin of mathematical biology · 2019Article
- Regulation of plant cell wall stiffness by mechanical stress: a mesoscale physical model.Journal of mathematical biology · 2019Article
- Algorithm for a particle-based growth model for plant tissues.Royal Society open science · 2018Article
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The forms resulting from growth processes are highly sensitive to the nature of the driving impetus, and to the local properties of the medium, in particular, its isotropy or anisotropy. In turn, these local properties can be organized by growth. Here, we consider a growing plant tissue, the shoot apical meristem of Arabidopsis thaliana. In plants, the resistance of the cell wall to the growing internal turgor pressure is the main factor shaping the cells and the tissues. It is well established that the physical properties of the walls depend on the oriented deposition of the cellulose microfibrils in the extracellular matrix or cell wall; this order is correlated to the highly oriented cortical array of microtubules attached to the inner side of the plasma membrane. We used oryzalin to depolymerize microtubules and analyzed its influence on the growing meristem. This had no short-term effect, but it had a profound impact on the cell anisotropy and the resulting tissue growth. The geometry of the cells became similar to that of bubbles in a soap froth. At a multicellular scale, this switch to a local isotropy induced growth into spherical structures. A theoretical model is presented in which a cellular structure grows through the plastic yielding of its walls under turgor pressure. The simulations reproduce the geometrical properties of a normal tissue if cell division is included. If not, a "cell froth" very similar to that observed experimentally is obtained. Our results suggest strong physical constraints on the mechanisms of growth regulation.
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