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  KATANIN and CLASP function at different spatial scales to mediate microtubule response to mechanical stress in Arabidopsis cotyledons

Eng, R., Schneider, R., Matz, T., Carter, R., Ehrhardt, D. W., Jönsson, H., et al. (2021). KATANIN and CLASP function at different spatial scales to mediate microtubule response to mechanical stress in Arabidopsis cotyledons. Current Biology, 31(15), 3262-3274. doi:10.1016/j.cub.2021.05.019.

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 Creators:
Eng, R.C.1, Author              
Schneider, R.1, Author              
Matz, T.2, Author              
Carter, Ross3, Author
Ehrhardt, David W.3, Author
Jönsson, Henrik3, Author
Nikoloski, Z.2, Author              
Sampathkumar, A.1, Author              
Affiliations:
1Plant Cell Biology and Microscopy, Infrastructure Groups and Service Units, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_2253647              
2Mathematical Modelling and Systems Biology - Nikoloski, Cooperative Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753310              
3external, ou_persistent22              

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Free keywords: cell shape, microtubules, mechanical stress, morphology, cytoskeleton, morphogenesis, live-cell imaging, pavement cells, mechano-response
 Abstract: Summary Mechanical stress influences cell- and tissue-scale processes across all kingdoms. It remains challenging to delineate how mechanical stress, originating at these different length scales, impacts cell and tissue form. We combine growth tracking of cells, quantitative image analysis, as well as molecular and mechanical perturbations to address this problem in pavement cells of Arabidopsis thaliana cotyledon tissue. We show that microtubule organization based on chemical signals and cell-shape-derived mechanical stress varies during early stages of pavement cell development and is mediated by the evolutionary conserved proteins, KATANIN and CLASP. However, we find that these proteins regulate microtubule organization in response to tissue-scale mechanical stress to different extents in the cotyledon epidermis. Our results further demonstrate that regulation of cotyledon form is uncoupled from the mechanical-stress-dependent control of pavement cell shape that relies on microtubule organization governed by subcellular mechanical stress.

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Language(s): eng - English
 Dates: 2021-06-14
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.cub.2021.05.019
 Degree: -

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Title: Current Biology
  Other : Curr. Biol.
Source Genre: Journal
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Publ. Info: London, UK : Cell Press
Pages: - Volume / Issue: 31 (15) Sequence Number: - Start / End Page: 3262 - 3274 Identifier: ISSN: 0960-9822
CoNE: https://pure.mpg.de/cone/journals/resource/954925579107