ArticleCurrent microbiology2020
Ustiloxin A is Produced Early in Experimental Ustilaginoidea virens Infection and Affects Transcription in Rice.
Article in Current microbiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 26 citations in OpenAlex.
- Natural occurrence of ustiloxin A and D in rice in China.Mycotoxin research · 2026Article
- False smut of rice: integrating molecular pathogenicity and epidemiology for next-generation disease management.Frontiers in fungal biology · 2026Review
- The TOR Signaling Pathway Governs Fungal Development, Virulence and Ustiloxin Biosynthesis inJournal of fungi (Basel, Switzerland) · 2025Article
- Identification of Quantitative Trait Loci and Analysis of Novel Candidate Genes for Resistance to False Smut of Rice Based on SSR Molecular Markers.Biomolecules · 2025Article
- Transcriptomic insights into the interplay between polyketide biosynthesis and other secondary metabolite biosynthetic clusters and biological pathways in entomopathogenFrontiers in microbiology · 2025Article
- Co-infection of Four Novel Mycoviruses from Three Lineages Confers Hypovirulence on Phytopathogenic Fungus Ustilaginoidea virens.Rice (New York, N.Y.) · 2024Article
- Rice false smut pathogen: implications for mycotoxin contamination, current status, and future perspectives.Frontiers in microbiology · 2024Review
- Inhibition of rice germination by ustiloxin A involves alteration in carbon metabolism and amino acid utilization.Frontiers in plant science · 2023Article
- UvKmt2-Mediated H3K4 Trimethylation Is Required for Pathogenicity and Stress Response inJournal of fungi (Basel, Switzerland) · 2022Article
- Transcription Profiling of Rice Panicle in Response to Crude Toxin Extract ofFrontiers in microbiology · 2022Article
- Article
- UvKmt6-mediated H3K27 trimethylation is required for development, pathogenicity, and stress response inVirulence · 2021Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Ustiloxin is a kind of 13-membered cyclic peptides found in mature rice false smut generated by Ustilaginoidea virens infecting rice spikelet. So far, six kinds of ustiloxins have been identified from false smut balls (FSBs) in which ustiloxin A is the main component. The toxins can not only inhibit the growth of rice, wheat, and corn, but also poison people and animals. However, so far, there have been few studies of the content of ustiloxin except that in mature FSB. The effect of ustiloxins on the process of infection has not been clarified. In this study, the technique of artificial inoculation coupled with UPLC-ESI-MS was introduced to investigate the content of ustiloxins in the course of infection. The initial formation time of ustiloxin A, B, C, D, F, and G was no later than 5, 5, 9, 7, 7, and 9 days post inoculation (dpi) prior to FSB's formation, respectively. The content of ustiloxin A per spikelet was increased rapidly from 6.0 ng at 5 dpi to 14,157.1 ng at 25 dpi. Meanwhile, the content of ustiloxin A per dry weight (DW) of the FSBs also peaked at 1321.2 μg/g at 25 dpi. Interestingly, both the contents of ustiloxin A per dry weight and per spikelet were significantly reduced from 25 to 30 dpi. Transcriptome sequencing revealed that a total of 146 transcripts (103 upregulated and 43 downregulated) were significantly changed in rice spikelets after 3-h acute exposure to 100 ng ustiloxin A. In addition, several of the significantly altered genes were validated by RT-qPCR.
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