ArticleMolecular plant pathology2020
AtPME17 is a functional Arabidopsis thaliana pectin methylesterase regulated by its PRO region that triggers PME activity in the resistance to Botrytis cinerea.
Article in Molecular plant pathology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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48 citing papers in PubMed, 90 citations in OpenAlex.
- Pectin under stress: Pectin methylesterases at the core of cell wall remodeling, integrity sensing, and signaling in plants.Plant communications · 2026Review
- Endogenous RALF peptide function is required for powdery mildew host colonization.The New phytologist · 2026Article
- Advances in the functional research of pectin methylesterases in Arabidopsis thaliana.BMC plant biology · 2026Review
- Plant cell wall remodeling and peptide signaling under abiotic and biotic stress.Plant communications · 2026Review
- From Waste to Defense: Agro-Industrial Byproducts as Sources of Biopesticides and Bioelicitors for Crop Protection.Journal of agricultural and food chemistry · 2026Review
- The role of pectate lyases in development and stress tolerance in plants.Molecular biology reports · 2025Review
- PME10 Is a Pectin Methylesterase Driving PME Activity and Immunity Against Botrytis cinerea in Grapevine (Vitis vinifera L.).Plant biotechnology journal · 2025Article
- Biorefining of Anaerobic Digestates for the Recovery of Biostimulants and Bioelicitors for Immune Priming and Plant Protection.Environmental science & technology · 2025Article
- The lncRNA LOC100257036 and vvimiR156 modulate gibberellin signaling through AGAMOUS during cluster formation in Sistan Yaghooti grape.Scientific reports · 2025Article
- B4 Raf-like MAPKKK RAF24 regulates Arabidopsis thaliana flowering time through HISTONE MONO-UBIQUITINATION 2.The New phytologist · 2025Article
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- Exocyst subunits EXO70B1 and B2 contribute to stomatal dynamics and cell wall modifications.Frontiers in plant science · 2025Article
- SYNTAXIN OF PLANTS 132 underpins secretion of cargoes associated with salicylic acid signaling and pathogen defense.Plant physiology · 2024Article
- Untying the knot: Unraveling genetic mechanisms behind black knot disease resistance inPlant-environment interactions (Hoboken, N.J.) · 2024Article
- GhPME36 aggravates susceptibility to Liriomyza sativae by affecting cell wall biosynthesis in cotton leaves.BMC biology · 2024Article
- Pull the fuzes: Processing protein precursors to generate apoplastic danger signals for triggering plant immunity.Plant communications · 2024Review
- Homogalacturonan Pectins Tuned as an Effect of Susceptible rbohD, Col-0-Reactions, and Resistance rbohF-, rbohD/F-Reactions to TuMV.International journal of molecular sciences · 2024Article
- Insights into the cell-wall dynamics in grapevine berries during ripening and in response to biotic and abiotic stresses.Plant molecular biology · 2024Review
- Amphibian skin bacteria display antifungal activity and induce plant defense mechanisms againstFrontiers in plant science · 2024Article
- Comparative transcriptomic analyses of diploid and tetraploid citrus reveal how ploidy level influences salt stress tolerance.Frontiers in plant science · 2024Article
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pectin is synthesized in a highly methylesterified form in the Golgi cisternae and partially de-methylesterified in muro by pectin methylesterases (PMEs). Arabidopsis thaliana produces a local and strong induction of PME activity during the infection of the necrotrophic fungus Botrytis cinerea. AtPME17 is a putative A. thaliana PME highly induced in response to B. cinerea. Here, a fine tuning of AtPME17 expression by different defence hormones was identified. Our genetic evidence demonstrates that AtPME17 strongly contributes to the pathogen-induced PME activity and resistance against B. cinerea by triggering jasmonic acid-ethylene-dependent PDF1.2 expression. AtPME17 belongs to group 2 isoforms of PMEs characterized by a PME domain preceded by an N-terminal PRO region. However, the biochemical evidence for AtPME17 as a functional PME is still lacking and the role played by its PRO region is not known. Using the Pichia pastoris expression system, we demonstrate that AtPME17 is a functional PME with activity favoured by an increase in pH. AtPME17 performs a blockwise pattern of pectin de-methylesterification that favours the formation of egg-box structures between homogalacturonans. Recombinant AtPME17 expression in Escherichia coli reveals that the PRO region acts as an intramolecular inhibitor of AtPME17 activity.
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