ArticleNucleic acids research2023
Dynamics of ribosome composition and ribosomal protein phosphorylation in immune signaling in Arabidopsis thaliana.
Article in Nucleic acids research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 14 citations in OpenAlex.
- Long-Term Salt Exposure Reprograms the Nicotiana tabacum BY-2 Suspension Proteome and Metabolome Toward Stabilization of the Core Metabolic Pathways, Protein Turnover Machinery Modifications, and Protective Metabolome Adjustments.Plant, cell & environment · 2026Article
- Ribosome Heterogeneity in Plants: The Causes of This Phenomenon and Its Implications on Gene Expression.Plants (Basel, Switzerland) · 2026Review
- Fully Tunable Phosphorylation of RPS6A Ensures the Successful Development of Arabidopsis Seedlings.Plant, cell & environment · 2026Article
- RNA-binding proteins orchestrating immunity in plants.The Plant journal : for cell and molecular biology · 2025Review
- Indole-3-Butyric Acid Enhances Root Formation and Alleviates Low-Temperature Stress in Sugarcane: Molecular Insights and Identification of Candidate Genes.Plants (Basel, Switzerland) · 2025Article
- Review
- Remodelled ribosomal populations synthesize a specific proteome in proliferating plant tissue during cold.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Article
- Comparative Proteomic Analysis of Popcorn Genotypes Identifies Differentially Accumulated Proteins Associated with Resistance Pathways to Southern Leaf Blight Disease.Plants (Basel, Switzerland) · 2025Article
- Review
- The Beak of Eukaryotic Ribosomes: Life, Work and Miracles.Biomolecules · 2024Review
- Streamlining Protein Fractional Synthesis Rates Using SP3 Beads and Stable Isotope Mass Spectrometry: A Case Study on the Plant Ribosome.Bio-protocol · 2024Article
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Authors and funding
13 authors at 6 institutions in 5 countries.
Funding
Abstract
In plants, the detection of microbe-associated molecular patterns (MAMPs) induces primary innate immunity by the activation of mitogen-activated protein kinases (MAPKs). We show here that the MAMP-activated MAPK MPK6 not only modulates defense through transcriptional regulation but also via the ribosomal protein translation machinery. To understand the effects of MPK6 on ribosomes and their constituent ribosomal proteins (RPs), polysomes, monosomes and the phosphorylation status of the RPs, MAMP-treated WT and mpk6 mutant plants were analysed. MAMP-activation induced rapid changes in RP composition of monosomes, polysomes and in the 60S ribosomal subunit in an MPK6-specific manner. Phosphoproteome analysis showed that MAMP-activation of MPK6 regulates the phosphorylation status of the P-stalk ribosomal proteins by phosphorylation of RPP0 and the concomitant dephosphorylation of RPP1 and RPP2. These events coincide with a significant decrease in the abundance of ribosome-bound RPP0s, RPP1s and RPP3s in polysomes. The P-stalk is essential in regulating protein translation by recruiting elongation factors. Accordingly, we found that RPP0C mutant plants are compromised in basal resistance to Pseudomonas syringae infection. These data suggest that MAMP-induced defense also involves MPK6-induced regulation of P-stalk proteins, highlighting a new role of ribosomal regulation in plant innate immunity.
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