# A GH81-type β-glucan-binding protein enhances colonization by mutualistic fungi in barley ## Original publication Wanke, A., van Boerdonk, S., Mahdi, L. K., Wawra, S., Neidert, M., Chandrasekar, B., Saake, P., Saur, I. M. L., Derbyshire, P., Holton, N., Menke, F. L. H., Brands, M., Pauly, M., Acosta, I. F., Zipfel, C., & Zuccaro, A. (2023). A GH81-type β-glucan-binding protein enhances colonization by mutualistic fungi in barley. Current biology : CB, 33(23), 5071–5084.e7. https://doi.org/10.1016/j.cub.2023.10.048 ## License Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved. ## Data availability Lead Contact Further information and requests for resources, reagents, datasets, and protocols should be directed to and will be fulfilled by the lead contact, Alga Zuccaro (azuccaro@uni-koeln.de). Materials Availability Plasmids and barley lines generated in this study are available upon request and will be provided by the lead contact, Alga Zuccaro (azuccaro@uni-koeln.de). Data and Code Availability Proteomic data has been deposited at the ProteomeXchange Consortium via PRIDE partner repository (Perez-Riverol et al., 2019) and are publicly available as of the date of publication. Accession numbers are listed in the key resources table. This paper does not report original code. Any additional information required to reanalyze the data reported in this paper is available from the lead contact upon request. ## ARC structure ``` mermaid %%{ init: { 'theme': 'base', 'themeVariables': { 'background': '#fff', 'lineColor': '#2d3e50', 'primaryTextColor': '#2d3e50' } } }%% flowchart subgraph Legend l1(Sample) l2>Process] l3(Material) l4(Data) end subgraph studies\NicotianaBenthamiana direction TB s1(wild type seeds)---p1>PlantMaterialAndGrowthConditions.md]-->s2(N. benthamiana plants) end subgraph studies\HordeumVulgare direction TB s3(barley seeds)---p2>PlantMaterialAndGrowthConditions.md]-->s4(barley plants) end subgraph studies\CarbohydrateSubstratesForImmunityAndEnzymaticDigestionAssays direction TB p3>CarbohydrateSubstratesForImmunityAndEnzymaticDigestionAssays.md]-->s5(carbohydrate substrates) end subgraph assays\HeterologousProteinProductionAndPurification direction TB a1(codon-optimized GBP1 sequence)---p4>PlasmidConstruction.md]-->a2(pXCScpmv-GBP1-HAStrep) a3(catalitically inactive GBP1 sequence)---p4-->a4(pXCScpmv-GBP1_E500A-HAStrep) a2----p6>"`isolation sequencing _Agrobacterium tumefaciens_ transformation`"] a4---p5>"`gel electrophoresis purification _E.coli_ transformation`"]---p6 p6-->a5(Agrobacterium_GBP1) p6-->a6(Agrobacterium_GBP1_E500A) a5 & a6---p7>infiltration] s2----p7 p7---p8>HeterologousProteinProductionAndPurification.md]-->a7(purified proteins) end subgraph assays\EnzymaticCarbohydrateDigestionAndTLC direction TB a7 & s5---p9>EnzymaticCarbohydrateDigestion.md]-->a8(digestion products) a8---p10>TLC.md]-->d1("`gr3b_lrg.jpg gr4a_lrg.jpg gr4b_lrg.jpg gr4c_lrg.jpg FigS4A.jpg FigS4B.jpg FigS5A.png`") end subgraph assays\MALDI-TOFAnalysis direction TB a8---p11>MALDI-TOFAnalysis.md]-->d2("`gr3c_large.jpg FigS4C.jpg`") end subgraph assays\CRISPRCas9-basedMutagenesis direction TB s4---p12>CRISPRCas9-basedMutagenesis.md]-->a9(barley mutants)-->d15(gr1b_lrg.jpg) end subgraph assays\OxidativeBurstAssay direction TB s2 & s4 & a9---p13>PreparationOfThePlantMaterial.md]-->a10(plant material) a10---p14>ROSBurstAssay.md]-->d3("`gr5_lrg.jpg FigS1A.jpg FigS1B.jpg FigS5B.jpg FigS5C.jpg`") end subgraph assays\FungalMaterialGrowthConditionsAndBarleyColonizationAssays direction TB s4 & a9---p15>RhizophagusIrregularis.md]-->a11(R. irregularis colonized plants)-->d11(FigS3B.jpg) s4 & a9---p16>BlumeriaHordei.md]-->a12(B. hordei colonized plants)-->d13(FigS3D.jpg) s4 & a9---p17>SerendipitaIndicaSerendipitaVermiferaAndBipolarisSorokiniana.md]-->a13(S. indica colonized plants) & a14(S. vermifera colonized plants) & a15(B. sorokiniana colonized plants) a15-->d12(FigS3C.jpg) d14(gr6b_lrg.jpg) end subgraph assays\qRT-PCR direction TB a12 & a13 & a14 & a15---p18>qRT-PCR.md]-->d4("`gr1c_lrg.jpg gr2_lrg.jpg gr6d_lrg.jpg`") end subgraph assays\StainingForConfocalMicroscopy direction TB a13---p19>HordeumVulgare.md]-->d5("`gr6a_lrg.jpg FigS6A.jpg FigS6B.jpg FigS6C.jpg`") a11---p20>RootStainingOfRIrregularis.md]-->d6(FigS3A.jpg) end subgraph assays\ProteinPull-down direction TB a16(laminarin)---p21>BiotinylationOfLaminarin.md]-->a17(biotinylated laminarin) s4 & a17---p22>ProteinPull-downWithBiotinylatedLaminarin.md]-->a18(pull-down proteins) a18---p23>SDS-PAGE separation]-->d7(FigS1C.jpg) end subgraph assays\MS-MSAnalysisOfThePull-downProteins direction TB a18---p24>MS-MSAnalysisOfThePull-downProteins.md]-->d8("`gr1a_lrg.jpg mmc2.xlsx`") end subgraph assays\MultipleSequenceAlignment d9(gr4a_lrg.jpg) end subgraph assays\QuantificationAndStatisticalAnalysis direction TB pr25>QuantificationAndStatisticalAnalysis.md]-->d10("`gr6c_lrg.jpg mmc3.xlsx`") end %% Defining node styles classDef S fill:#b4ce82, stroke:#333; classDef M fill:#ffc000; classDef D fill:#c21f3a,color:white; classDef P stroke-width:0px; %% Assigning styles to nodes class l1,a7,a8,a18 S; class l3,s1,s2,s3,s4,s5,a1,a2,a3,a4,a5,a6,a9,a10,a11,a12,a13,a14,a15,a16,a17 M; class d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,d14,d15,l4 D; class l2,p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15,p16,p17,p18,p19,p20,p21,p22,p23,p24,p25 P;