ArticlePlant physiology2011
Subfunctionalization of cellulose synthases in seed coat epidermal cells mediates secondary radial wall synthesis and mucilage attachment.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 76 papers.
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76 citing papers in PubMed, 143 citations in OpenAlex.
- Seed the Difference: QTL Mapping Reveals Several Major Loci for Seed Size inPlants (Basel, Switzerland) · 2025Article
- Mucilicious methods: Navigating the tools developed to Arabidopsis Seed Coat Mucilage analysis.Cell surface (Amsterdam, Netherlands) · 2025Review
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- When Size Matters: New Insights on How Seed Size Can Contribute to the Early Stages of Plant Development.Plants (Basel, Switzerland) · 2024Review
- Genetic dissection of monosaccharides contents in rice whole grain using genome-wide association study.The plant genome · 2023Article
- Multi-omic analyses reveal the unique properties of chia (Salvia hispanica) seed metabolism.Communications biology · 2023Article
- Mutation in the Endo-β-1,4-glucanase (KORRIGAN) Is Responsible for Thick Leaf Phenotype in Sorghum.Plants (Basel, Switzerland) · 2022Article
- The Genetic Control of SEEDSTICK and LEUNIG-HOMOLOG in Seed and Fruit Development: New Insights into Cell Wall Control.Plants (Basel, Switzerland) · 2022Article
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- Analysis ofFrontiers in plant science · 2022Article
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- Sterol Glucosyltransferases Tailor Polysaccharide Accumulation in Arabidopsis Seed Coat Epidermal Cells.Cells · 2021Article
- Conserved, divergent and heterochronic gene expression during Brachypodium and Arabidopsis embryo development.Plant reproduction · 2021Article
- Two β-glucuronosyltransferases involved in the biosynthesis of type II arabinogalactans function in mucilage polysaccharide matrix organization in Arabidopsis thaliana.BMC plant biology · 2021Article
- HOMEODOMAIN GLABROUS2 regulates cellulose biosynthesis in seed coat mucilage by activating CELLULOSE SYNTHASE5.Plant physiology · 2021Article
- Genome-wide characterization of the cellulose synthase gene superfamily in Pyrus bretschneideri and reveal its potential role in stone cell formation.Functional & integrative genomics · 2020Article
- Seed-specific down-regulation of Arabidopsis CELLULOSE SYNTHASE 1 or 9 reduces seed cellulose content and differentially affects carbon partitioning.Plant cell reports · 2020Article
- Transcription Factors BLH2 and BLH4 Regulate Demethylesterification of Homogalacturonan in Seed Mucilage.Plant physiology · 2020Article
- Increase in Cell Wall Thickening and Biomass Production by Overexpression ofFrontiers in plant science · 2020Article
16 more citing papers are in PubMed but not listed here.
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Authors and funding
8 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis (Arabidopsis thaliana) epidermal seed coat cells follow a complex developmental program where, following fertilization, cells of the ovule outer integument differentiate into a unique cell type. Two hallmarks of these cells are the production of a doughnut-shaped apoplastic pocket filled with pectinaceous mucilage and the columella, a thick secondary cell wall. Cellulose is thought to be a key component of both these secondary cell wall processes. Here, we investigated the role of cellulose synthase (CESA) subunits CESA2, CESA5, and CESA9 in the seed coat epidermis. We characterized the roles of these CESA proteins in the seed coat by analyzing cell wall composition and morphology in cesa mutant lines. Mutations in any one of these three genes resulted in lower cellulose content, a loss of cell shape uniformity, and reduced radial wall integrity. In addition, we found that attachment of the mucilage halo to the parent seed following extrusion is maintained by cellulose-based connections requiring CESA5. Hence, we show that cellulose fulfills an adhesion role between the extracellular mucilage matrix and the parent cell in seed coat epidermal cells. We propose that mucilage remains attached to the seed coat through interactions between components in the seed mucilage and cellulose. Our data suggest that CESA2 and CESA9 serve in radial wall reinforcement, as does CESA5, but CESA5 also functions in mucilage biosynthesis. These data suggest unique roles for different CESA subunits in one cell type and illustrate a complex role for cellulose biosynthesis in plant developmental biology.
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