ArticleToxins2015
Main Ustilaginoidins and Their Distribution in Rice False Smut Balls.
Article in Toxins, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed.
- A comprehensive exploration of molecular aspects of rice-Ustilaginoidea virens interactions.Plant molecular biology · 2026Review
- Ustiloxins and Ustilaginoidins in the Sclerotia Generated from Rice False Smut Balls and Their Contents.Toxins · 2026Article
- A Multi-assay molecular toolkit for rapid and sensitive detection of Ustilaginoidea virens the causative agent of rice false smut using PCR, qPCR, RPA, and LAMP assays.World journal of microbiology & biotechnology · 2026Article
- An Overview of α-Pyrones as Phytotoxins Produced by Plant Pathogen Fungi.Molecules (Basel, Switzerland) · 2025Review
- Review
- UvHOS3-mediated histone deacetylation is essential for virulence and negatively regulates ustilaginoidin biosynthesis in Ustilaginoidea virens.Molecular plant pathology · 2024Article
- Rice false smut pathogen: implications for mycotoxin contamination, current status, and future perspectives.Frontiers in microbiology · 2024Review
- Activation of Ustilaginoidin Biosynthesis GeneJournal of fungi (Basel, Switzerland) · 2023Article
- Article
- Sensitivity Baselines, Resistance Monitoring, and Molecular Mechanisms of the Rice False Smut PathogenJournal of fungi (Basel, Switzerland) · 2023Article
- UvATG6 Interacts with BAX Inhibitor 1 Proteins and Plays Critical Roles in Growth, Conidiation, and Virulence inMicrobiology spectrum · 2023Article
- Effects of Carbon, Nitrogen, Ambient pH and Light on Mycelial Growth, Sporulation, Sorbicillinoid Biosynthesis and Related Gene Expression inJournal of fungi (Basel, Switzerland) · 2023Article
- Visualization of the entire process of rice spikelet infection byFrontiers in microbiology · 2023Article
- Article
- Article
- Recent Advances in Sorbicillinoids from Fungi and Their Bioactivities (Covering 2016-2021).Journal of fungi (Basel, Switzerland) · 2022Review
- Facile Preparation of Wormlike Graphitic Carbon Nitride for Photocatalytic Degradation of Ustiloxin A.Nanomaterials (Basel, Switzerland) · 2020Article
- UvAtg8-Mediated Autophagy Regulates Fungal Growth, Stress Responses, Conidiation, and Pathogenesis in Ustilaginoidea virens.Rice (New York, N.Y.) · 2020Article
- The Bax inhibitor UvBI-1, a negative regulator of mycelial growth and conidiation, mediates stress response and is critical for pathogenicity of the rice false smut fungus Ustilaginoidea virens.Current genetics · 2019Article
- Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice false smut has become an increasingly serious fungal disease in rice (Oryza sativa L.) production worldwide. Ustilaginoidins are bis-naphtho-γ-pyrone mycotoxins previously isolated from the rice false smut balls (FSBs) infected by the pathogen Villosiclava virens in rice spikelets on panicles. To investigate the main ustilaginoidins and their distribution in rice FSBs, five main bis-naphtho-γ-pyrones, namely ustilaginoidins A (1), G (2), B (3), I (4) and C (5), were isolated and identified by NMR and high-resolution mass spectrometry as well as by comparison with the data in the literature. The rice FSBs at early, middle and late maturity stages were divided into their different parts and the contents of five main ustilaginoidins for each part were determined by HPLC analysis. The results revealed that the highest levels of ustilaginoidins were in late stage rice FSBs, followed by those at middle stage. Most ustilaginoidins, 96.4% of the total quantity, were distributed in the middle layer at early stage. However, ustilaginoidins were mainly distributed in the outer and middle layers at middle and late stages. Small amounts of ustilaginoidins A (1) and G (2) were found in the inner part of rice FSBs at each maturity stage. The contents of ustilaginoidins A (1) and G (2) without hydroxymethyl groups at C-2 and C-2' of the γ-pyrone rings in rice FSBs were relatively high at early stage, while the contents of ustilaginoidins B (3), I (4), and C (5) with hydroxymethyl groups at C-2 or C-2' were relatively high at late stage.
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