ArticlePlant signaling & behavior2013
Transcriptomic analysis of Ustilago maydis infecting Arabidopsis reveals important aspects of the fungus pathogenic mechanisms.
Article in Plant signaling & behavior, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 34 citations in OpenAlex.
- The proteome study of germinated Puccinia triticina urediniospores reveals a novel effector protein required for virulence.Scientific reports · 2026Article
- Methods for Studying the Polyamines in Ustilago maydis.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Global Gene Expression of Post-Senescent Telomerase-NegativeJournal of fungi (Basel, Switzerland) · 2023Article
- The Role of Endophytes in Combating Fungal- and Bacterial-Induced Stress in Plants.Molecules (Basel, Switzerland) · 2022Review
- Chitosan Is Necessary for the Structure of the Cell Wall, and Full Virulence ofJournal of fungi (Basel, Switzerland) · 2022Article
- Molecular Mechanisms Involved in the Multicellular Growth of Ustilaginomycetes.Microorganisms · 2020Review
- Pathogen Genetic Control of Transcriptome Variation in theGenetics · 2020Article
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Authors and funding
4 authors at 3 institutions in 1 country.
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Abstract
Transcriptomic and biochemical analyses of the experimental pathosystem constituted by Ustilago maydis and Arabidopsis thaliana were performed. Haploid or diploid strains of U. maydis inoculated in A. thaliana plantlets grew on the surface and within the plant tissues in the form of mycelium, inducing chlorosis, anthocyanin formation, malformations, necrosis and adventitious roots development, but not teliospores. Symptoms were more severe in plants inoculated with the haploid strain which grew more vigorously than the diploid strain. RNA extracted at different times post-infection was used for hybridization of one-channel microarrays that were analyzed focusing on the fungal genes involved in the general pathogenic process, biogenesis of the fungal cell wall and the secretome. In total, 3,537 and 3,299 genes were differentially expressed in the haploid and diploid strains, respectively. Differentially expressed genes were related to different functional categories and many of them showed a similar regulation occurring in U. maydis infecting maize. Our data suggest that the haploid strain behaves as a necrotrophic pathogen, whereas the diploid behaves as a biotrophic pathogen. The results obtained are evidence of the usefulness of the U. maydis-A. thaliana pathosystem for the analysis of the pathogenic mechanisms of U. maydis.
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