Lazar Novaković
DEFECTIVE KERNEL1 regulates cellulose synthesis and affects primary cell wall mechanics
Novaković, Lazar; Yakubov, Gleb E.; Ma, Yingxuan; Bacic, Antony; Blank, Kerstin G.; Sampathkumar, Arun; Johnson, Kim L.
Authors
Gleb E. Yakubov
Yingxuan Ma
Antony Bacic
Kerstin G. Blank
Arun Sampathkumar
Kim L. Johnson
Abstract
The cell wall is one of the defining features of plants, controlling cell shape, regulating growth dynamics and hydraulic conductivity, as well as mediating plants interactions with both the external and internal environments. Here we report that a putative mechanosensitive Cys-protease DEFECTIVE KERNEL1 (DEK1) influences the mechanical properties of primary cell walls and regulation of cellulose synthesis. Our results indicate that DEK1 is an important regulator of cellulose synthesis in epidermal tissue of Arabidopsis thaliana cotyledons during early post-embryonic development. DEK1 is involved in regulation of cellulose synthase complexes (CSCs) by modifying their biosynthetic properties, possibly through interactions with various cellulose synthase regulatory proteins. Mechanical properties of the primary cell wall are altered in DEK1 modulated lines with DEK1 affecting both cell wall stiffness and the thickness of the cellulose microfibril bundles in epidermal cell walls of cotyledons.
Citation
Novaković, L., Yakubov, G. E., Ma, Y., Bacic, A., Blank, K. G., Sampathkumar, A., & Johnson, K. L. (2023). DEFECTIVE KERNEL1 regulates cellulose synthesis and affects primary cell wall mechanics. Frontiers in Plant Science, 14, Article 1150202. https://doi.org/10.3389/fpls.2023.1150202
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 28, 2023 |
Online Publication Date | Mar 14, 2023 |
Publication Date | Mar 14, 2023 |
Deposit Date | Apr 15, 2023 |
Publicly Available Date | Apr 17, 2023 |
Journal | Frontiers in Plant Science |
Electronic ISSN | 1664-462X |
Publisher | Frontiers Media |
Peer Reviewed | Peer Reviewed |
Volume | 14 |
Article Number | 1150202 |
DOI | https://doi.org/10.3389/fpls.2023.1150202 |
Keywords | DEFECTIVE KERNEL1, cellulose, mechanical properties, cell wall, cellulose synthase complex |
Public URL | https://nottingham-repository.worktribe.com/output/19465846 |
Publisher URL | https://www.frontiersin.org/articles/10.3389/fpls.2023.1150202/full |
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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