ArticleAnnals of botany2012
Principal growth directions in development of the lateral root in Arabidopsis thaliana.
Article in Annals of botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 12 citations in OpenAlex.
- Tissue growth constrains root organ outlines into an isometrically scalable shape.Development (Cambridge, England) · 2021Article
- Topological traits of a cellular pattern versus growth rate anisotropy in radish roots.Protoplasma · 2019Article
- Hybrid vertex-midline modelling of elongated plant organs.Interface focus · 2016Article
- Growth rate distribution in the forming lateral root of arabidopsis.Annals of botany · 2014Article
- Review
- Systems approaches to study root architecture dynamics.Frontiers in plant science · 2013Review
- Form matters: morphological aspects of lateral root development.Annals of botany · 2013Review
- Plant root research: the past, the present and the future.Annals of botany · 2012Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsDuring lateral root development a new meristem is formed within the mother root body. The main objective of this work was to simulate lateral root formation in Arabidopsis thaliana and to study a potential role of the principal directions in this process. Lateral root growth is anisotropic, so that three principal directions of growth can be distinguished within the organ. This suggests a tensorial character of growth and allows for its description by means of the growth tensor method.
methodsFirst features of the cell pattern of developing lateral roots were analysed in A. thaliana and then a tensorial model for growth and division of cells for this case was specified, assuming an unsteady character of the growth field of the organ. KEY
resultsMicroscopic observations provide evidence that the principal directions of growth are manifested at various developmental stages by oblique cell walls observed in different regions of the primordium. Other significant features observed are atypically shaped large cells at the flanks of young apices, as well as distinct boundaries between the mother root and the primordium. Simulations were performed using a model for growth. In computer-generated sequences the above-mentioned features could be identified. An attempt was made to reconstruct the virtual lateral root that included a consideration of the formation of particular tissue types based on literature data.
conclusionsIn the cell pattern of the developing lateral root the principal directions of growth can be recognized through occurrence of oblique cell divisions. In simulation the role of these directions in cell pattern formation was confirmed, only when cells divide with respect to the principal directions can realistic results be obtained.
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