ORCID Profile
0000-0001-5410-6984
Current Organisation
Johannes Kepler University
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Publisher: Wiley
Date: 29-10-2020
Publisher: Wiley
Date: 29-10-2020
Publisher: Cold Spring Harbor Laboratory
Date: 02-12-2022
DOI: 10.1101/2022.11.29.518391
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) interacts with cell wall integrity (CWI) pathways 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 supporting a role in maintenance of CWI. DEK1 affects stiffness of the cell wall and thickness of the cellulose microfibrils bundles in epidermal cell walls of cotyledons.
No related grants have been discovered for Kerstin G. Blank.