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Journal Article

Reprogramming a maize plant: transcriptional and metabolic changes induced by the fungal biotroph Ustilago maydis

MPS-Authors
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Doehlemann,  Gunther
Department of Organismic Interactions, Alumni, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Wahl,  Ramon
Department of Organismic Interactions, Alumni, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Usadel,  Björn
Department of Organismic Interactions, Alumni, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Poree,  Fabien
Department of Organismic Interactions, Alumni, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

Stitt,  Mark
Max Planck Society;

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Kahmann,  Regine
Emeriti Molecular Phytopathology, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Kämper,  Jörg
Department of Organismic Interactions, Alumni, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Citation

Doehlemann, G., Wahl, R., Horst, R. J., Voll, L. M., Usadel, B., Poree, F., et al. (2008). Reprogramming a maize plant: transcriptional and metabolic changes induced by the fungal biotroph Ustilago maydis. The Plant Journal, 56(2), 181-195. doi:10.1111/j.1365-313x.2008.03590.x.


Cite as: https://hdl.handle.net/21.11116/0000-0007-C5B5-E
Abstract
The fungal pathogen Ustilago maydis establishes a biotrophic relationship with its host plant maize (Zea mays). Hallmarks of the disease are large plant tumours in which fungal proliferation occurs. Previous studies suggested that classical defence pathways are not activated. Confocal microscopy, global expression profiling and metabolic profiling now shows that U. maydis is recognized early and triggers defence responses. Many of these early response genes are downregulated at later time points, whereas several genes associated with suppression of cell death are induced. The interplay between fungus and host involves changes in hormone signalling, induction of antioxidant and secondary metabolism, as well as the prevention of source leaf establishment. Our data provide novel insights into the complexity of a biotrophic interaction.