ArticleThe Plant cell2012
Acetylesterase-mediated deacetylation of pectin impairs cell elongation, pollen germination, and plant reproduction.
Article in The Plant cell, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 87 papers.
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Who cites it
87 citing papers in PubMed, 161 citations in OpenAlex.
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- Antibody array-based proteome approach reveals proteins involved in grape seed development.Plant physiology · 2024Article
- Insights into pectinCell surface (Amsterdam, Netherlands) · 2023Review
- Silencing of a Pectin Acetylesterase (PAE) Gene Highly Expressed in Tobacco Pistils Negatively Affects Pollen Tube Growth.Plants (Basel, Switzerland) · 2023Article
- Plant Cell Wall Integrity Perturbations and Priming for Defense.Plants (Basel, Switzerland) · 2022Review
- Cell wall ester modifications and volatile emission signatures of plant response to abiotic stress.Plant, cell & environment · 2022Article
- The evolving views of the simplest pectic polysaccharides: homogalacturonan.Plant cell reports · 2022Review
- Comparative Proteomic Analysis of Potato Roots from Resistant and Susceptible Cultivars toMolecules (Basel, Switzerland) · 2022Article
- Expression Analyses in the Rachis Hint towards Major Cell Wall Modifications in Grape Clusters Showing Berry Shrivel Symptoms.Plants (Basel, Switzerland) · 2022Article
27 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pectin is a major component of the primary cell wall of higher plants. Some galacturonyl residues in the backbone of pectinaceous polysaccharides are often O-acetylated at the C-2 or C-3 position, and the resulting acetylesters change dynamically during the growth and development of plants. The processes involve both enzymatic acetylation and deacetylation. Through genomic sequence analysis, we identified a pectin acetylesterase (PAE1) from black cottonwood (Populus trichocarpa). Recombinant Pt PAE1 exhibited preferential activity in releasing the acetate moiety from sugar beet (Beta vulgaris) and potato (Solanum tuberosum) pectin in vitro. Overexpressing Pt PAE1 in tobacco (Nicotiana tabacum) decreased the level of acetyl esters of pectin but not of xylan. Deacetylation engendered differential changes in the composition and/or structure of cell wall polysaccharides that subsequently impaired the cellular elongation of floral styles and filaments, the germination of pollen grains, and the growth of pollen tubes. Consequently, plants overexpressing PAE1 exhibited severe male sterility. Furthermore, in contrast to the conventional view, PAE1-mediated deacetylation substantially lowered the digestibility of pectin. Our data suggest that pectin acetylesterase functions as an important structural regulator in planta by modulating the precise status of pectin acetylation to affect the remodeling and physiochemical properties of the cell wall's polysaccharides, thereby affecting cell extensibility.
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