Wanke, Alan ORCID: 0000-0002-8932-1809, Rovenich, Hanna, Schwanke, Florian, Velte, Stefanie, Becker, Stefan, Hehemann, Jan-Hendrik, Wawra, Stephan and Zuccaro, Alga ORCID: 0000-0002-8026-0114 (2020). Plant species-specific recognition of long and short beta-1,3-linked glucans is mediated by different receptor systems. Plant J., 102 (6). S. 1142 - 1157. HOBOKEN: WILEY. ISSN 1365-313X

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Abstract

Plants survey their environment for the presence of potentially harmful or beneficial microbes. During colonization, cell surface receptors perceive microbe-derived or modified-self ligands and initiate appropriate responses. The recognition of fungal chitin oligomers and the subsequent activation of plant immunity are well described. In contrast, the mechanisms underlying beta-glucan recognition and signaling activation remain largely unexplored. Here, we systematically tested immune responses towards different beta-glucan structures and show that responses vary between plant species. While leaves of the monocots Hordeum vulgare and Brachypodium distachyon can recognize longer (laminarin) and shorter (laminarihexaose) beta-1,3-glucans with responses of varying intensity, duration and timing, leaves of the dicot Nicotiana benthamiana activate immunity in response to long beta-1,3-glucans, whereas Arabidopsis thaliana and Capsella rubella perceive short beta-1,3-glucans. Hydrolysis of the beta-1,6 side-branches of laminarin demonstrated that not the glycosidic decoration but rather the degree of polymerization plays a pivotal role in the recognition of long-chain beta-glucans. Moreover, in contrast to the recognition of short beta-1,3-glucans in A. thaliana, perception of long beta-1,3-glucans in N. benthamiana and rice is independent of CERK1, indicating that beta-glucan recognition may be mediated by multiple beta-glucan receptor systems.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Wanke, AlanUNSPECIFIEDorcid.org/0000-0002-8932-1809UNSPECIFIED
Rovenich, HannaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schwanke, FlorianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Velte, StefanieUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Becker, StefanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hehemann, Jan-HendrikUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wawra, StephanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zuccaro, AlgaUNSPECIFIEDorcid.org/0000-0002-8026-0114UNSPECIFIED
URN: urn:nbn:de:hbz:38-344682
DOI: 10.1111/tpj.14688
Journal or Publication Title: Plant J.
Volume: 102
Number: 6
Page Range: S. 1142 - 1157
Date: 2020
Publisher: WILEY
Place of Publication: HOBOKEN
ISSN: 1365-313X
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Faculty of Mathematics and Natural Sciences > Department of Biology > Botanical Institute
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
HOST-PATHOGEN INTERACTIONS; BETA-GLUCOSIDE ELICITOR; HIGH-AFFINITY BINDING; CELL-WALL; DISEASE-RESISTANCE; DEFENSE RESPONSES; PHYTOALEXIN ACCUMULATION; ARABIDOPSIS-THALIANA; INDUCED ENDOCYTOSIS; MOLECULAR-PATTERNSMultiple languages
Plant SciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/34468

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