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LPMO-oxidized cellulose oligosaccharides evoke immunity in Arabidopsis conferring resistance towards necrotrophic fungus B. cinerea

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 28 Apr 2021 English Publisher:Springer Science and Business Media LLCJournal:Communications Biology, volume 4 (eissn: 2399-3642, Copyright policy )
Authors: Marco Zarattini; Massimiliano Corso; Marco Antonio Kadowaki; Antonielle Monclaro; Silvia Magri; Irma Milanese; Sylvie Jolivet; +4 Authors

doi: 10.1038/s42003-021-02226-7 , 10.1101/2021.04.28.441599

pmid: 34117349

pmc: PMC8196058

handle: 2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/351195

LPMO-oxidized cellulose oligosaccharides evoke immunity in Arabidopsis conferring resistance towards necrotrophic fungus B. cinerea

Abstract

AbstractLytic Polysaccharide Monooxygenases (LPMOs) are powerful redox enzymes able to oxidatively cleave recalcitrant polysaccharides. Widely conserved across biological kingdoms, LPMOs of the AA9 family are deployed by phytopathogens to deconstruct cellulose polymers. In response, plants have evolved sophisticated mechanisms to sense cell wall damage and thus self-triggering Damage Triggered Immunity responses. Here, we show that Arabidopsis plants exposed to LPMO products triggered the innate immunity ultimately leading to increased resistance to the necrotrophic fungus Botrytis cinerea. We demonstrated that plants undergo a deep transcriptional reprogramming upon elicitation with AA9 derived cellulose- or cello-oligosaccharides (AA9_COS). To decipher the specific effects of native and oxidized LPMO-generated AA9_COS, a pairwise comparison with cellobiose, the smallest non-oxidized unit constituting cellulose, is presented. Moreover, we identified two leucine-rich repeat receptor-like kinases, namely STRESS INDUCED FACTOR 2 and 4, playing a crucial role in signaling the AA9_COS-dependent responses such as camalexin production. Furthermore, increased levels of ethylene, jasmonic and salicylic acid hormones, along with deposition of callose in the cell wall was observed. Collectively, our data reveal that LPMOs might play a crucial role in plant-pathogen interactions.

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Keywords

[SDV.BBM.MN]Life Sciences [q-bio]/Biochemistry, 570, Botrytis -- immunology, QH301-705.5, [SDV.BBM]Life Sciences [q-bio]/Biochemistry, Arabidopsis, Sordariales, Oligosaccharides, [SDV.BID]Life Sciences [q-bio]/Biodiversity, [SDV.BBM.GTP]Life Sciences [q-bio]/Biochemistry, Arabidopsis -- immunology -- metabolism -- microbiology, Article, Mixed Function Oxygenases, Gene Expression Regulation, Plant, Cellulose -- metabolism, [SDV.BBM] Life Sciences [q-bio]/Biochemistry, Molecular Biology, [SDV.BV]Life Sciences [q-bio]/Vegetal Biology, [SDV.BV] Life Sciences [q-bio]/Vegetal Biology, Biology (General), Cellulose, Molecular Biology, Disease Resistance, Plant Diseases, 580, Molecular Biology/Genomics [q-bio.GN], Molecular Biology/Molecular Networks [q-bio.MN], Sordariales -- metabolism, Gene Expression Profiling, Plant Diseases -- immunology -- microbiology, Mixed Function Oxygenases -- metabolism -- physiology, Plant, Sciences bio-médicales et agricoles, [SDV.BV.AP]Life Sciences [q-bio]/Vegetal Biology/Plant breeding, Gene Expression Regulation, [SDV.BBM.MN] Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular Networks [q-bio.MN], [SDV.BBM.GTP] Life Sciences [q-bio]/Biochemistry, Molecular Biology/Genomics [q-bio.GN], [SDV.BV.AP] Life Sciences [q-bio]/Vegetal Biology/Plant breeding, Botrytis, Oligosaccharides -- metabolism -- physiology, [SDV.BID] Life Sciences [q-bio]/Biodiversity

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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