ArticlePlant physiology2016
Xylans Provide the Structural Driving Force for Mucilage Adhesion to the Arabidopsis Seed Coat.
Article in Plant physiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed.
- Esterified-pectin-coupled polar stiffening controls grass stomatal opening.Nature plants · 2026Article
- GT61 β-1,2-xylosyltransferases define a conserved xylan modification in gymnosperm and Arabidopsis primary cell walls.The Plant journal : for cell and molecular biology · 2025Article
- Mucilicious methods: Navigating the tools developed to Arabidopsis Seed Coat Mucilage analysis.Cell surface (Amsterdam, Netherlands) · 2025Review
- Article
- Pull the fuzes: Processing protein precursors to generate apoplastic danger signals for triggering plant immunity.Plant communications · 2024Review
- Modifying lignin composition and xylan O-acetylation induces changes in cell wall composition, extractability, and digestibility.Biotechnology for biofuels and bioproducts · 2024Article
- Application of Recurrence Plot Analysis to Examine Dynamics of Biological Molecules on the Example of Aggregation of Seed Mucilage Components.Entropy (Basel, Switzerland) · 2024Article
- Mucilage extracted from Chilean papaya seeds is enriched with homogalacturonan domains.Frontiers in plant science · 2024Article
- Biochemical data documenting variations in mucilage polysaccharides in a range of glycosyltransferase mutants.Scientific data · 2023Article
- Homoeologous non-reciprocal translocation explains a major QTL for seed lignin content in oilseed rape (Brassica napus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Black Poplar (Cells · 2023Article
- Article
- The Genetic Control of SEEDSTICK and LEUNIG-HOMOLOG in Seed and Fruit Development: New Insights into Cell Wall Control.Plants (Basel, Switzerland) · 2022Article
- Building an extensible cell wall.Plant physiology · 2022Article
- Cell wall-localized BETA-XYLOSIDASE4 contributes to immunity of Arabidopsis against Botrytis cinerea.Plant physiology · 2022Article
- Rhamnogalacturonan-I forms mucilage: behind its simplicity, a cutting-edge organization.Journal of experimental botany · 2022Article
- Golgi-localized putative S-adenosyl methionine transporters required for plant cell wall polysaccharide methylation.Nature plants · 2022Article
- A polygalacturonase gene PG031 regulates seed coat permeability with a pleiotropic effect on seed weight in soybean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- β-1,4-Xylan backbone synthesis in higher plants: How complex can it be?Frontiers in plant science · 2022Article
- Bio-based and bio-inspired adhesives from animals and plants for biomedical applications.Materials today. Bio · 2022Review
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis (Arabidopsis thaliana) seed coat epidermal cells produce large amounts of mucilage that is released upon imbibition. This mucilage is structured into two domains: an outer diffuse layer that can be easily removed by agitation and an inner layer that remains attached to the outer seed coat. Both layers are composed primarily of pectic rhamnogalacturonan I (RG-I), the inner layer also containing rays of cellulose that extend from the top of each columella. Perturbation in cellulosic ray formation has systematically been associated with a redistribution of pectic mucilage from the inner to the outer layer, in agreement with cellulose-pectin interactions, the nature of which remained unknown. Here, by analyzing the outer layer composition of a series of mutant alleles, a tight proportionality of xylose, galacturonic acid, and rhamnose was evidenced, except for mucilage modified5-1 (mum5-1; a mutant showing a redistribution of mucilage pectin from the inner adherent layer to the outer soluble one), for which the rhamnose-xylose ratio was increased drastically. Biochemical and in vitro binding assay data demonstrated that xylan chains are attached to RG-I chains and mediate the adsorption of mucilage to cellulose microfibrils. mum5-1 mucilage exhibited very weak adsorption to cellulose. MUM5 was identified as a putative xylosyl transferase recently characterized as MUCI21. Together, these findings suggest that the binding affinity of xylose ramifications on RG-I to a cellulose scaffold is one of the factors involved in the formation of the adherent mucilage layer.
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