ArticlePlant physiology2022
Cell wall-localized BETA-XYLOSIDASE4 contributes to immunity of Arabidopsis against Botrytis cinerea.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 33 citations in OpenAlex.
- Functional analysis of LIPID TRANSFER PROTEIN 6 (LTP6) in pennycress and Arabidopsis reveals divergent roles in oil storage and seed coat development.The Plant journal : for cell and molecular biology · 2026Article
- A Fusarium sacchari Glycoside Hydrolase 12 Protein FsEG1 Is a Major Virulence Factor During Sugarcane Infection and Confers Resistance to Pokkah Boeng Disease via the HIGS Strategy.Plant biotechnology journal · 2026Article
- Genome-wide identification of the BXL gene family in potato (Solanum tuberosum) and functional characterization of StBXL4 in disease resistance.Functional & integrative genomics · 2026Article
- Molecular Strategies and Regulatory Networks in the Early Infection Stages of Plant Pathogenic Fusarium Species.The plant pathology journal · 2026Review
- The role of plant cell walls in pest resistance: current insights and future perspectives.Journal of experimental botany · 2025Review
- Plasticity of the Arabidopsis leaf lipidome and proteome in response to pathogen infection and heat stress.Plant physiology · 2025Article
- Different strategies of altering the cell wall to study the impact that these introduced changes have on plant resistance to pathogens.Frontiers in plant science · 2025Review
- Pull the fuzes: Processing protein precursors to generate apoplastic danger signals for triggering plant immunity.Plant communications · 2024Review
- Multifaceted roles of plant glycosyl hydrolases during pathogen infections: more to discover.Planta · 2024Review
- Identification and Genetic Dissection of Resistance to Red Crown Rot Disease in a Diverse Soybean Germplasm Population.Plants (Basel, Switzerland) · 2024Article
- Discovery of novel neutral glycosphingolipids in cereal crops: rapid profiling using reversed-phased HPLC-ESI-QqTOF with parallel reaction monitoring.Scientific reports · 2023Article
- Analysis of Pectin-derived Monosaccharides fromBio-protocol · 2023Article
- Quantification ofBio-protocol · 2023Article
- Pectate Lyase from Fusarium sacchari Induces Plant Immune Responses and Contributes to Virulence.Microbiology spectrum · 2023Article
- Structure and functional divergence of PIP peptide family revealed by functional studies on PIP1 and PIP2 inFrontiers in plant science · 2023Article
- Plant Cell Wall Integrity Perturbations and Priming for Defense.Plants (Basel, Switzerland) · 2022Review
- Article
- The bHLH1-DTX35/DFR module regulates pollen fertility by promoting flavonoid biosynthesis inHorticulture research · 2022Article
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Authors and funding
14 authors at 6 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant cell walls constitute physical barriers that restrict access of microbial pathogens to the contents of plant cells. The primary cell wall of multicellular plants predominantly consists of cellulose, hemicellulose, and pectin, and its composition can change upon stress. BETA-XYLOSIDASE4 (BXL4) belongs to a seven-member gene family in Arabidopsis (Arabidopsis thaliana), one of which encodes a protein (BXL1) involved in cell wall remodeling. We assayed the influence of BXL4 on plant immunity and investigated the subcellular localization and enzymatic activity of BXL4, making use of mutant and overexpression lines. BXL4 localized to the apoplast and was induced upon infection with the necrotrophic fungal pathogen Botrytis cinerea in a jasmonoyl isoleucine-dependent manner. The bxl4 mutants showed a reduced resistance to B. cinerea, while resistance was increased in conditional overexpression lines. Ectopic expression of BXL4 in Arabidopsis seed coat epidermal cells rescued a bxl1 mutant phenotype, suggesting that, like BXL1, BXL4 has both xylosidase and arabinosidase activity. We conclude that BXL4 is a xylosidase/arabinosidase that is secreted to the apoplast and its expression is upregulated under pathogen attack, contributing to immunity against B. cinerea, possibly by removal of arabinose and xylose side-chains of polysaccharides in the primary cell wall.
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