Regulation of acetylation of plant cell wall components is complex and responds to external stimuli

S.A. Sinclair, S. Gille, M. Pauly, U. Krämer, Plant Signaling & Behavior (2019) 1687185.

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Journal Article | Published | English
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Abstract
Previously, we reported that the allelic de-etiolated by zinc (dez) and trichome birefringence (tbr) mutants exhibit photomorphogenic development in the dark, which is enhanced by high Zn. TRICHOME BIREFRINGENCE-LIKE proteins had been implicated in transferring acetyl groups to various hemicelluloses. Pectin O-acetylation levels were lower in dark-grown dez seedlings than in the wild type. We observed Zn-enhanced photomorphogenesis in the dark also in the reduced wall acetylation 2 (rwa2-3) mutant, which exhibits lowered O-acetylation levels of cell wall macromolecules including pectins and xyloglucans, supporting a role for cell wall macromolecule O-acetylation in the photomorphogenic phenotypes of rwa2-3 and dez. Application of very short oligogalacturonides (vsOGs) restored skotomorphogenesis in dark-grown dez and rwa2-3. Here we demonstrate that in dez, O-acetylation of non-pectin cell wall components, notably of xyloglucan, is enhanced. Our results highlight the complexity of cell wall homeostasis and indicate against an influence of xyloglucan O-acetylation on light-dependent seedling development.
Publishing Year
Date Published
2019-11-07
Journal Title
Plant Signaling & Behavior
Article Number
1687185
ISSN
IST-REx-ID

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Sinclair SA, Gille S, Pauly M, Krämer U. Regulation of acetylation of plant cell wall components is complex and responds to external stimuli. Plant Signaling & Behavior. 2019:1687185. doi:10.1080/15592324.2019.1687185
Sinclair, S. A., Gille, S., Pauly, M., & Krämer, U. (2019). Regulation of acetylation of plant cell wall components is complex and responds to external stimuli. Plant Signaling & Behavior, 1687185. https://doi.org/10.1080/15592324.2019.1687185
Sinclair, Scott A, S. Gille, M. Pauly, and U. Krämer. “Regulation of Acetylation of Plant Cell Wall Components Is Complex and Responds to External Stimuli.” Plant Signaling & Behavior, 2019, 1687185. https://doi.org/10.1080/15592324.2019.1687185.
S. A. Sinclair, S. Gille, M. Pauly, and U. Krämer, “Regulation of acetylation of plant cell wall components is complex and responds to external stimuli,” Plant Signaling & Behavior, p. 1687185, 2019.
Sinclair SA, Gille S, Pauly M, Krämer U. 2019. Regulation of acetylation of plant cell wall components is complex and responds to external stimuli. Plant Signaling & Behavior., 1687185.
Sinclair, Scott A., et al. “Regulation of Acetylation of Plant Cell Wall Components Is Complex and Responds to External Stimuli.” Plant Signaling & Behavior, Informa UK Limited, 2019, p. 1687185, doi:10.1080/15592324.2019.1687185.

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PMID: 31696770
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