ArticleThe Plant journal : for cell and molecular biology2017
Alteration of cell wall xylan acetylation triggers defense responses that counterbalance the immune deficiencies of plants impaired in the β-subunit of the heterotrimeric G-protein.
Article in The Plant journal : for cell and molecular biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed, 80 citations in OpenAlex.
- Arabidopsis Heterotrimeric G Beta Variants Shape Plant Development and Modulate Responses to Endoplasmic Reticulum Stress and Salt Stress.Plant, cell & environment · 2026Article
- Natural Elicitor 3,4-Dihydroxy-3-Methyl-2-Pentanone Induces Disease Resistance inPlants (Basel, Switzerland) · 2026Article
- Genome-wide identification of the BXL gene family in potato (Solanum tuberosum) and functional characterization of StBXL4 in disease resistance.Functional & integrative genomics · 2026Article
- Glycoside Hydrolase CaGH17-12 Contributes to Phytophthora Blight Resistance by Activating the Production of Reactive Oxygen Species and Jasmonic Acid Signalling in Pepper.Molecular plant pathology · 2026Article
- Biochemical Characterization of Multimodular Xylanolytic Carbohydrate Esterases from the Marine Bacterium Flavimarina sp. Hel_I_48.Chembiochem : a European journal of chemical biology · 2025Article
- Different strategies of altering the cell wall to study the impact that these introduced changes have on plant resistance to pathogens.Frontiers in plant science · 2025Review
- A peptide-receptor module links cell wall integrity sensing to pattern-triggered immunity.Nature plants · 2024Article
- Review
- Methionine inducing carbohydrate esterase secretion of Trichoderma harzianum enhances the accessibility of substrate glycosidic bonds.Microbial cell factories · 2024Article
- Endophytic non-pathogenicFrontiers in plant science · 2024Article
- The Resistance of Maize toInternational journal of molecular sciences · 2023Article
- Genome-wide identification and analysis of a cotton secretome reveals its role in resistance against Verticillium dahliae.BMC biology · 2023Article
- Signals and Their Perception for Remodelling, Adjustment and Repair of the Plant Cell Wall.International journal of molecular sciences · 2023Review
- Induced defense strategies of plants againstFrontiers in microbiology · 2023Review
- Plant Cell Wall Integrity Perturbations and Priming for Defense.Plants (Basel, Switzerland) · 2022Review
- Phenotyping and modeling of root hydraulic architecture reveal critical determinants of axial water transport.Plant physiology · 2022Article
- Cell wall-localized BETA-XYLOSIDASE4 contributes to immunity of Arabidopsis against Botrytis cinerea.Plant physiology · 2022Article
- Plant-microbe interactions in the apoplast: Communication at the plant cell wall.The Plant cell · 2022Article
- Review
- Heterotrimeric G Proteins in Plants: Canonical and Atypical Gα Subunits.International journal of molecular sciences · 2021Review
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Authors and funding
13 authors at 6 institutions in 4 countries.
Funding
Abstract
Arabidopsis heterotrimeric G-protein complex modulates pathogen-associated molecular pattern-triggered immunity (PTI) and disease resistance responses to different types of pathogens. It also plays a role in plant cell wall integrity as mutants impaired in the Gβ- (agb1-2) or Gγ-subunits have an altered wall composition compared with wild-type plants. Here we performed a mutant screen to identify suppressors of agb1-2 (sgb) that restore susceptibility to pathogens to wild-type levels. Out of the four sgb mutants (sgb10-sgb13) identified, sgb11 is a new mutant allele of ESKIMO1 (ESK1), which encodes a plant-specific polysaccharide O-acetyltransferase involved in xylan acetylation. Null alleles (sgb11/esk1-7) of ESK1 restore to wild-type levels the enhanced susceptibility of agb1-2 to the necrotrophic fungus Plectosphaerella cucumerina BMM (PcBMM), but not to the bacterium Pseudomonas syringae pv. tomato DC3000 or to the oomycete Hyaloperonospora arabidopsidis. The enhanced resistance to PcBMM of the agb1-2 esk1-7 double mutant was not the result of the re-activation of deficient PTI responses in agb1-2. Alteration of cell wall xylan acetylation caused by ESK1 impairment was accompanied by an enhanced accumulation of abscisic acid, the constitutive expression of genes encoding antibiotic peptides and enzymes involved in the biosynthesis of tryptophan-derived metabolites, and the accumulation of disease resistance-related secondary metabolites and different osmolites. These esk1-mediated responses counterbalance the defective PTI and PcBMM susceptibility of agb1-2 plants, and explain the enhanced drought resistance of esk1 plants. These results suggest that a deficient PTI-mediated resistance is partially compensated by the activation of specific cell-wall-triggered immune responses.
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