ArticlePloS one2013
Spatial and directional variation of growth rates in Arabidopsis root apex: a modelling study.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 7 citations in OpenAlex.
- Live Plant Cell Tracking: Fiji plugin to analyze cell proliferation dynamics and understand morphogenesis.Plant physiology · 2022Article
- 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
- A method to generate the surface cell layer of the 3D virtual shoot apex from apical initials.Plant methods · 2017Article
- 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
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2 authors at 1 institution in 1 country.
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Abstract
Growth and cellular organization of the Arabidopsis root apex are investigated in various aspects, but still little is known about spatial and directional variation of growth rates in very apical part of the apex, especially in 3D. The present paper aims to fill this gap with the aid of a computer modelling based on the growth tensor method. The root apex with a typical shape and cellular pattern is considered. Previously, on the basis of two types of empirical data: the published velocity profile along the root axis and dimensions of cell packets formed in the lateral part of the root cap, the displacement velocity field for the root apex was determined. Here this field is adopted to calculate the linear growth rate in different points and directions. The results are interpreted taking principal growth directions into account. The root apex manifests a significant anisotropy of the linear growth rate. The directional preferences depend on a position within the root apex. In the root proper the rate in the periclinal direction predominates everywhere, while in the root cap the predominating direction varies with distance from the quiescent centre. The rhizodermis is distinguished from the neighbouring tissues (cortex, root cap) by relatively high contribution of the growth rate in the anticlinal direction. The degree of growth anisotropy calculated for planes defined by principal growth directions and exemplary cell walls may be as high as 25. The changes in the growth rate variation are modelled.
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