ArticleMolecular plant pathology2022
Immunity functions of Arabidopsis pathogenesis-related 1 are coupled but not confined to its C-terminus processing and trafficking.
Article in Molecular plant pathology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 32 citations in OpenAlex.
- Molecular choreography of vesicle trafficking: Exocyst-SNARE interplay in plant defense.Journal of advanced research · 2026Review
- Role of AtCPK5 and AtCPK6 in the regulation of the plant immune response triggered by rhamnolipids in Arabidopsis.PloS one · 2026Article
- Functional evaluation of pathogenesis-related protein-1 (PR1) genes in mung bean (Vigna radiata) response to Pythium myriotylum.BMC genomics · 2025Article
- The CAPE1 peptide confers resistance against bacterial wilt in tomato.Journal of experimental botany · 2025Article
- Plant Defense Proteins: Recent Discoveries and Applications.Plants (Basel, Switzerland) · 2025Review
- Elevated Atmospheric COPlants (Basel, Switzerland) · 2025Article
- SYNTAXIN OF PLANTS 132 underpins secretion of cargoes associated with salicylic acid signaling and pathogen defense.Plant physiology · 2024Article
- The wheat pathogenesis-related protein (TdPR1.2) enhanced tolerance to abiotic and biotic stresses in transgenic Arabidopsis plants.Protoplasma · 2024Article
- Light- and Relative Humidity-Regulated Hypersensitive Cell Death and Plant Immunity in Chinese Cabbage Leaves by a Non-adapted Bacteria Xanthomonas campestris pv. vesicatoria.The plant pathology journal · 2024Article
- First Proteome Analysis of Poplar-Type Propolis.Plant foods for human nutrition (Dordrecht, Netherlands) · 2024Article
- Small secreted proteins and exocytosis regulators: do they go along?Plant signaling & behavior · 2023Article
- XCP1 cleaves Pathogenesis-related protein 1 into CAPE9 for systemic immunity in Arabidopsis.Nature communications · 2023Article
- Pathogenesis-Related Proteins (PRs) with Enzyme Activity Activating Plant Defense Responses.Plants (Basel, Switzerland) · 2023Review
- Article
- Shoot transcriptome revealed widespread differential expression and potential molecular mechanisms of chickpea (Frontiers in microbiology · 2023Article
- ThePlants (Basel, Switzerland) · 2022Article
- Identification of candidate genes associated with resistance against race 0 of Colletotrichum lentis in Lens ervoides.Scientific reports · 2022Article
- The host exocyst complex is targeted by a conserved bacterial type-III effector that promotes virulence.The Plant cell · 2022Article
- Immunity functions of Arabidopsis pathogenesis-related 1 are coupled but not confined to its C-terminus processing and trafficking.Molecular plant pathology · 2022Article
- Arbuscular mycorrhizal fungi enhance disease resistance ofFrontiers in plant science · 2022Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The pathogenesis-related 1 (PR1) proteins are members of the cross-kingdom conserved CAP superfamily (from Cysteine-rich secretory protein, Antigen 5, and PR1 proteins). PR1 mRNA expression is frequently used for biotic stress monitoring in plants; however, the molecular mechanisms of its cellular processing, localization, and function are still unknown. To analyse the localization and immunity features of Arabidopsis thaliana PR1, we employed transient expression in Nicotiana benthamiana of the tagged full-length PR1 construct, and also disrupted variants with C-terminal truncations or mutations. We found that en route from the endoplasmic reticulum, the PR1 protein transits via the multivesicular body and undergoes partial proteolytic processing, dependent on an intact C-terminal motif. Importantly, only nonmutated or processing-mimicking variants of PR1 are secreted to the apoplast. The C-terminal proteolytic cleavage releases a protein fragment that acts as a modulator of plant defence responses, including localized cell death control. However, other parts of PR1 also have immunity potential unrelated to cell death. The described modes of the PR1 contribution to immunity were found to be tissue-localized and host plant ontogenesis dependent.
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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 Socratic graph.