Universität zu Köln

Skoppek, Caroline Ines, Punt, Wilko, Heinrichs, Marleen, Ordon, Frank, Wehner, Gwendolin, Boch, Jens and Streubel, Jana ORCID: 0000-0001-8155-511X (2022). The barley HvSTP13GR mutant triggers resistance against biotrophic fungi. Mol. Plant Pathol., 23 (2). S. 278 - 291. HOBOKEN: WILEY. ISSN 1364-3703

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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.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Skoppek, Caroline Ines UNSPECIFIED UNSPECIFIED UNSPECIFIED Punt, Wilko UNSPECIFIED UNSPECIFIED UNSPECIFIED Heinrichs, Marleen UNSPECIFIED UNSPECIFIED UNSPECIFIED Ordon, Frank UNSPECIFIED UNSPECIFIED UNSPECIFIED Wehner, Gwendolin UNSPECIFIED UNSPECIFIED UNSPECIFIED Boch, Jens UNSPECIFIED UNSPECIFIED UNSPECIFIED Streubel, Jana UNSPECIFIED orcid.org/0000-0001-8155-511X UNSPECIFIED
URN:	urn:nbn:de:hbz:38-586705
DOI:	10.1111/mpp.13161
Journal or Publication Title:	Mol. Plant Pathol.
Volume:	23
Number:	2
Page Range:	S. 278 - 291
Date:	2022
Publisher:	WILEY
Place of Publication:	HOBOKEN
ISSN:	1364-3703
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LEAF RUST; SUGAR TRANSPORTERS; TRANSCRIPTION FACTOR; PLANT; PATHOGEN; DEFENSE; EXPRESSION; INVERTASE; ELEMENTS; PROTEIN Multiple languages Plant Sciences Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/58670