The barley HvSTP13GR mutant triggers resistance against biotrophic fungi

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Caroline Ines Skoppek
  • Wilko Punt
  • Marleen Heinrichs
  • Frank Ordon
  • Gwendolin Wehner
  • Jens Boch
  • Jana Streubel

Organisationseinheiten

Externe Organisationen

  • Julius Kühn-Institut (JKI) Bundesforschungsinstitut für Kulturpflanzen
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten (von - bis)278-290
Seitenumfang13
FachzeitschriftMolecular Plant Pathology
Jahrgang23
Ausgabenummer2
Frühes Online-Datum23 Nov. 2021
PublikationsstatusVeröffentlicht - 9 Jan. 2022

Abstract

High-yielding and stress-resistant crops are essential to ensure future food supply. Barley is an important crop to feed livestock and to produce malt, but the annual yield is threatened by pathogen infections. Pathogens can trigger an altered sugar partitioning in the host plant, which possibly leads to an advantage for the pathogen. Hampering these processes represents a promising strategy to potentially increase resistance. We analysed the response of the barley monosaccharide transporter HvSTP13 towards biotic stress and its potential use for plant protection. The expression of HvSTP13 increased on bacterial and fungal pathogen-associated molecular pattern (PAMP) application, suggesting a PAMP-triggered signalling that converged on the transcriptional induction of the gene. Promoter studies indicate a region that is probably targeted by transcription factors downstream of PAMP-triggered immunity pathways. We confirmed that the nonfunctional HvSTP13GR variant confers resistance against an economically relevant biotrophic rust fungus in barley. Our experimental setup provides basal prerequisites to further decode the role of HvSTP13 in response to biological stress. Moreover, in line with other studies, our experiments indicate that the alteration of sugar partitioning pathways, in a host–pathogen interaction, is a promising approach to achieve broad and durable resistance in plants.

ASJC Scopus Sachgebiete

Zitieren

The barley HvSTP13GR mutant triggers resistance against biotrophic fungi. / Skoppek, Caroline Ines; Punt, Wilko; Heinrichs, Marleen et al.
in: Molecular Plant Pathology, Jahrgang 23, Nr. 2, 09.01.2022, S. 278-290.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Skoppek, CI, Punt, W, Heinrichs, M, Ordon, F, Wehner, G, Boch, J & Streubel, J 2022, 'The barley HvSTP13GR mutant triggers resistance against biotrophic fungi', Molecular Plant Pathology, Jg. 23, Nr. 2, S. 278-290. https://doi.org/10.1111/mpp.13161
Skoppek, C. I., Punt, W., Heinrichs, M., Ordon, F., Wehner, G., Boch, J., & Streubel, J. (2022). The barley HvSTP13GR mutant triggers resistance against biotrophic fungi. Molecular Plant Pathology, 23(2), 278-290. https://doi.org/10.1111/mpp.13161
Skoppek CI, Punt W, Heinrichs M, Ordon F, Wehner G, Boch J et al. The barley HvSTP13GR mutant triggers resistance against biotrophic fungi. Molecular Plant Pathology. 2022 Jan 9;23(2):278-290. Epub 2021 Nov 23. doi: 10.1111/mpp.13161
Skoppek, Caroline Ines ; Punt, Wilko ; Heinrichs, Marleen et al. / The barley HvSTP13GR mutant triggers resistance against biotrophic fungi. in: Molecular Plant Pathology. 2022 ; Jahrgang 23, Nr. 2. S. 278-290.
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AU - Skoppek, Caroline Ines

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AU - Boch, Jens

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N1 - Funding Information: We thank Anna Marthe, Christine Hoppe, and Ilona Renneberg for technical assistance and Sebastian Becker and Annekatrin Richter for helpful discussions on the manuscript. We are grateful to Claude Bragard and Ralf Koebnik for providing Xth UPB820 and Alain Tissier for providing yeast MoClo plasmids. This work was supported by university core funding only. R

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N2 - High-yielding and stress-resistant crops are essential to ensure future food supply. Barley is an important crop to feed livestock and to produce malt, but the annual yield is threatened by pathogen infections. Pathogens can trigger an altered sugar partitioning in the host plant, which possibly leads to an advantage for the pathogen. Hampering these processes represents a promising strategy to potentially increase resistance. We analysed the response of the barley monosaccharide transporter HvSTP13 towards biotic stress and its potential use for plant protection. The expression of HvSTP13 increased on bacterial and fungal pathogen-associated molecular pattern (PAMP) application, suggesting a PAMP-triggered signalling that converged on the transcriptional induction of the gene. Promoter studies indicate a region that is probably targeted by transcription factors downstream of PAMP-triggered immunity pathways. We confirmed that the nonfunctional HvSTP13GR variant confers resistance against an economically relevant biotrophic rust fungus in barley. Our experimental setup provides basal prerequisites to further decode the role of HvSTP13 in response to biological stress. Moreover, in line with other studies, our experiments indicate that the alteration of sugar partitioning pathways, in a host–pathogen interaction, is a promising approach to achieve broad and durable resistance in plants.

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