ArticleMolecular plant pathology2023
An Ustilaginoidea virens glycoside hydrolase 42 protein is an essential virulence factor and elicits plant immunity as a PAMP.
Article in Molecular plant pathology, 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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11 citing papers in PubMed, 20 citations in OpenAlex.
- An apoplastic effector Uv7366 contributes toVirulence · 2026Article
- Heterologous Systems in the Functional Characterization of Proteins from Phytopathogenic Fungi: A Systematic Review.Molecular biotechnology · 2026Article
- Stagonosporopsis cucurbitacearum Effector Protein ScAA9 Contributes to Virulence and Triggers Plant Immune Responses.Molecular plant pathology · 2026Article
- OsRNS4-mediated cross-kingdom RNA interference is inhibited byScience advances · 2026Article
- Phosphate-solubilizing bacteria: a review of diversity, mechanisms, and applications in sustainable agriculture.Frontiers in microbiology · 2026Review
- False smut of rice: integrating molecular pathogenicity and epidemiology for next-generation disease management.Frontiers in fungal biology · 2026Review
- Secreted Glycoside Hydrolase BcGH61 From Botrytis cinerea Induces Cell Death by the Apoplastic Location and Triggers Intracellular Immune Perception.Molecular plant pathology · 2026Article
- Genome-wide identification and biochemical characterization of glycoside hydrolase gene family members in Tilletia Horrida.Molecular biology reports · 2024Article
- Genome-Wide Identification and Analysis of Gene Family of Carbohydrate-Binding Modules inInternational journal of molecular sciences · 2024Article
- UvHOS3-mediated histone deacetylation is essential for virulence and negatively regulates ustilaginoidin biosynthesis in Ustilaginoidea virens.Molecular plant pathology · 2024Article
- An Ustilaginoidea virens glycoside hydrolase 42 protein is an essential virulence factor and elicits plant immunity as a PAMP.Molecular plant pathology · 2023Article
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Authors and funding
9 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Rice false smut, caused by the ascomycete fungus Ustilaginoidea virens, which infects rice florets before heading, severely threatens rice grain yield and quality worldwide. The U. virens genome encodes a number of glycoside hydrolase (GH) proteins. So far, the functions of these GHs in U. virens are largely unknown. In this study, we identified a GH42 protein secreted by U. virens, named UvGHF1, that exhibits β-galactosidase activity. UvGHF1 not only functions as an essential virulence factor during U. virens infection, but also serves as a pathogen-associated molecular pattern (PAMP) in Nicotiana benthamiana and rice. The PAMP activity of UvGHF1 is independent of its β-galactosidase activity. Moreover, UvGHF1 triggers cell death in N. benthamiana in a BAK1-dependent manner. Ectopic expression of UvGHF1 in rice induces pattern-triggered immunity and enhances rice resistance to fungal and bacterial diseases. RNA-seq analysis revealed that UvGHF1 expression in rice not only activates expression of many defence-related genes encoding leucine-rich repeat receptor-like kinases and WRKY and ERF transcription factors, but also induces diterpenoid biosynthesis and phenylpropanoid biosynthesis pathways. Therefore, UvGHF1 contributes to U. virens virulence, but is also recognized by the rice surveillance system to trigger plant immunity.
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