ArticlePloS one2015
Phytohormone Involvement in the Ustilago maydis- Zea mays Pathosystem: Relationships between Abscisic Acid and Cytokinin Levels and Strain Virulence in Infected Cob Tissue.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 73 citations in OpenAlex.
- Hormone variation in Robinia pseudoacacia L. (Fabaceae) leaves during gall formation by Oblongoides robiniae (Haldeman) (Diptera: Cecidomyiidae).Scientific reports · 2026Article
- Sugarcane smut fungus hijacks the host meristem: phytohormone-mediated sorus morphogenesis and metabolic reprogramming.Frontiers in microbiology · 2026Article
- Exploring the Cytokinin Profile ofMetabolites · 2025Article
- Article
- The Role of Cytokinins and Abscisic Acid in the Growth, Development and Virulence of the Pathogenic FungusBiomolecules · 2024Article
- The response of rhubarb to smut infection is revealed through a comparative transcriptome and metabolome study.Planta · 2023Article
- Progress in pathogenesis research of Ustilago maydis, and the metabolites involved along with their biosynthesis.Molecular plant pathology · 2023Review
- Genome-Wide Identification and Characterisation of Cytokinin-O-Glucosyltransferase (CGT) Genes of Rice Specific to Potential Pathogens.Plants (Basel, Switzerland) · 2022Article
- Evolution of the Cytokinin Dehydrogenase (CKX) Domain.Journal of molecular evolution · 2021Article
- SsPEP1, an Effector with Essential Cellular Functions in Sugarcane Smut Fungus.Journal of fungi (Basel, Switzerland) · 2021Article
- The Application of Phytohormones as Biostimulants in Corn Smut Infected Hungarian Sweet and Fodder Corn Hybrids.Plants (Basel, Switzerland) · 2021Article
- Review
- Role of Long Noncoding RNAs ZlMSTRG.11348 and UeMSTRG.02678 in Temperature-Dependent Culm Swelling inInternational journal of molecular sciences · 2021Article
- The Localization of Phytohormones within the Gall-inducing InsectArthropod-plant interactions · 2021Article
- How Do Smut Fungi Use Plant Signals to Spatiotemporally Orientate on andJournal of fungi (Basel, Switzerland) · 2021Review
- Plant tumors: a hundred years of study.Planta · 2020Review
- Cytokinins Are Abundant and Widespread Among Insect Species.Plants (Basel, Switzerland) · 2020Article
- The Origins and Roles of Methylthiolated Cytokinins: Evidence From Among Life Kingdoms.Frontiers in cell and developmental biology · 2020Review
- Engineering Smut Resistance in Maize by Site-Directed Mutagenesis ofFrontiers in plant science · 2020Article
- Suppression of abscisic acid biosynthesis at the early infection stage of Verticillium longisporum in oilseed rape (Brassica napus).Molecular plant pathology · 2019Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ustilago maydis is the causative agent of common smut of corn. Early studies noted its ability to synthesize phytohormones and, more recently these growth promoting substances were confirmed as cytokinins (CKs). Cytokinins comprise a group of phytohormones commonly associated with actively dividing tissues. Lab analyses identified variation in virulence between U. maydis dikaryon and solopathogen infections of corn cob tissue. Samples from infected cob tissue were taken at sequential time points post infection and biochemical profiling was performed using high performance liquid chromatography-electrospray ionization tandem mass spectrometry (HPLC-ESI MS/MS). This hormone profiling revealed that there were altered levels of ABA and major CKs, with a marked reduction in CK glucosides, increases in methylthiol CKs and a particularly dramatic increase in cisZ CK forms, in U. maydis infected tissue. These changes were more pronounced in the more virulent dikaryon relative to the solopathogenic strain suggesting a role for cytokinins in moderating virulence during biotrophic infection. These findings highlight the fact that U. maydis does not simply mimic a fertilized seed but instead reprograms the host tissue. Results underscore the suitability of the Ustilago maydis- Zea mays model as a basis for investigating the control of phytohormone dynamics during biotrophic infection of plants.
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