A small secreted protein from Zymoseptoria tritici interacts with a wheat E3 ubiquitin ligase to promote disease

© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 72(2021), 2 vom: 02. Feb., Seite 733-746
1. Verfasser: Karki, Sujit Jung (VerfasserIn)
Weitere Verfasser: Reilly, Aisling, Zhou, Binbin, Mascarello, Maurizio, Burke, James, Doohan, Fiona, Douchkov, Dimitar, Schweizer, Patrick, Feechan, Angela
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Zymoseptoria tritici Disease E3 ubiquitin ligase effector fungal pathogen wheat Ubiquitin-Protein Ligases EC 2.3.2.27
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520 |a Septoria tritici blotch (STB), caused by the ascomycete fungus Zymoseptoria tritici, is a major threat to wheat production worldwide. The Z. tritici genome encodes many small secreted proteins (ZtSSPs) that are likely to play a key role in the successful colonization of host tissues. However, few of these ZtSSPs have been functionally characterized for their role during infection. In this study, we identified and characterized a small, conserved cysteine-rich secreted effector from Z. tritici which has homologues in other plant pathogens in the Dothideomycetes. ZtSSP2 was expressed throughout Z. tritici infection in wheat, with the highest levels observed early during infection. A yeast two-hybrid assay revealed an interaction between ZtSSP2 and wheat E3 ubiquitin ligase (TaE3UBQ) in yeast, and this was further confirmed in planta using bimolecular fluorescence complementation and co-immunoprecipitation. Down-regulation of this wheat E3 ligase using virus-induced gene silencing increased the susceptibility of wheat to STB. Together, these results suggest that TaE3UBQ is likely to play a role in plant immunity to defend against Z. tritici 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Zymoseptoria tritici 
650 4 |a Disease 
650 4 |a E3 ubiquitin ligase 
650 4 |a effector 
650 4 |a fungal pathogen 
650 4 |a wheat 
650 7 |a Ubiquitin-Protein Ligases  |2 NLM 
650 7 |a EC 2.3.2.27  |2 NLM 
700 1 |a Reilly, Aisling  |e verfasserin  |4 aut 
700 1 |a Zhou, Binbin  |e verfasserin  |4 aut 
700 1 |a Mascarello, Maurizio  |e verfasserin  |4 aut 
700 1 |a Burke, James  |e verfasserin  |4 aut 
700 1 |a Doohan, Fiona  |e verfasserin  |4 aut 
700 1 |a Douchkov, Dimitar  |e verfasserin  |4 aut 
700 1 |a Schweizer, Patrick  |e verfasserin  |4 aut 
700 1 |a Feechan, Angela  |e verfasserin  |4 aut 
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