ArticleProceedings of the National Academy of Sciences of the United States of America2014
Chitin-induced activation of immune signaling by the rice receptor CEBiP relies on a unique sandwich-type dimerization.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 134 papers.
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134 citing papers in PubMed, 344 citations in OpenAlex.
- Mechanisms and balanced regulation of plant immunity.Nature reviews. Molecular cell biology · 2026Review
- The glycosylated root-knot nematode effector Minc10750 suppresses plant immunity by destabilizing host chitinases.The New phytologist · 2026Article
- The Mitogen-Activated Protein Kinase GhNTF3 Modulates the Arbuscular Mycorrhizal Symbiosis-Immunity Trade-Off in Cotton by Regulating Salicylic Acid Biosynthesis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Subfamily-level comparative transcriptomics of key immune regulators in plants and suspension cells reveals novel rice blast resistance genes.Plant & cell physiology · 2026Article
- Crosstalk and reciprocal regulation of phosphorylation and ubiquitination mediated by receptor-like kinases and U-box E3 ligases during plant growth and environmental stress responses.Plant communications · 2026Review
- MoChia1 is a GH18 reducing-end GlcNAc-releasing chitin oligosaccharide hydrolase from the rice blast fungus Magnaporthe oryzae.The Journal of biological chemistry · 2026Article
- Advanced Research on LysM Domain-Containing Proteins: Functional Mechanisms and Roles in Pathogenicity of Plant Fungi.International journal of molecular sciences · 2026Review
- Structural basis of OsCERK1-mediated signal activation and transduction in rice immunity and symbiosis.Plant communications · 2026Article
- A GmNRF5a-GmCERK1-GmCAK1 module mediates chitin/chitosan-triggered immune response in soybean.Journal of integrative plant biology · 2026Article
- Transcriptomic profiling of wheat (Frontiers in plant science · 2026Article
- CtChi19: a valuable gene for improving resistance to Botrytis cinerea and Alternaria alternata in Carthamus tinctorius.Frontiers in plant science · 2026Article
- LYM2 mediates chitin-induced plasmodesmal flux reduction inFrontiers in plant science · 2026Article
- Article
- Oligosaccharide elicitors in plant immunity: Molecular mechanisms and disease resistance strategies.Plant communications · 2025Review
- Chitin Soil Amendment Triggers Systemic Plant Disease Resistance Through Enhanced Pattern-Triggered Immunity.Plant biotechnology journal · 2025Article
- The short chitooligosaccharide CO4 inhibits chitin-triggered immunity in grapevine and promotes the infection by Botrytis cinerea but not Plasmopara viticola.Journal of experimental botany · 2025Article
- Promiscuity and specificity in ligand sensing by plant cell surface receptors.PLoS pathogens · 2025Article
- Integrative Analysis of the Microbiome and Metabolome of Broiler Intestine: Insights into the Mechanisms of Probiotic Action as an Antibiotic Substitute.Probiotics and antimicrobial proteins · 2025Article
- Article
- Divergent response associates with the differential amplitudes of immunity againstFrontiers in plant science · 2025Article
74 more citing papers are in PubMed but not listed here.
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Authors and funding
13 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Perception of microbe-associated molecular patterns (MAMPs) through pattern recognition receptors (PRRs) triggers various defense responses in plants. This MAMP-triggered immunity plays a major role in the plant resistance against various pathogens. To clarify the molecular basis of the specific recognition of chitin oligosaccharides by the rice PRR, CEBiP (chitin-elicitor binding protein), as well as the formation and activation of the receptor complex, biochemical, NMR spectroscopic, and computational studies were performed. Deletion and domain-swapping experiments showed that the central lysine motif in the ectodomain of CEBiP is essential for the binding of chitin oligosaccharides. Epitope mapping by NMR spectroscopy indicated the preferential binding of longer-chain chitin oligosaccharides, such as heptamer-octamer, to CEBiP, and also the importance of N-acetyl groups for the binding. Molecular modeling/docking studies clarified the molecular interaction between CEBiP and chitin oligosaccharides and indicated the importance of Ile122 in the central lysine motif region for ligand binding, a notion supported by site-directed mutagenesis. Based on these results, it was indicated that two CEBiP molecules simultaneously bind to one chitin oligosaccharide from the opposite side, resulting in the dimerization of CEBiP. The model was further supported by the observations that the addition of (GlcNAc)8 induced dimerization of the ectodomain of CEBiP in vitro, and the dimerization and (GlcNAc)8-induced reactive oxygen generation were also inhibited by a unique oligosaccharide, (GlcNβ1,4GlcNAc)4, which is supposed to have N-acetyl groups only on one side of the molecule. Based on these observations, we proposed a hypothetical model for the ligand-induced activation of a receptor complex, involving both CEBiP and Oryza sativa chitin-elicitor receptor kinase-1.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.