ArticlePlant physiology2017
Identification and Characterization of Arabidopsis Seed Coat Mucilage Proteins.
Article in Plant physiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 56 citations in OpenAlex.
- Seed Mucilage Polysaccharides: A Comprehensive Review of Molecular Architecture, Green Extraction Technologies, Bioactivities, and Industrial Applications.Foods (Basel, Switzerland) · 2026Review
- Gene expression landscape of the Brassica napus seed reveals subgenome bias in both space and time.Plant physiology · 2025Article
- Kallfu and Wenutram: two Chilean flaxseed varieties with contrasting mucilage production, composition, and structure.Frontiers in plant science · 2025Article
- Disruption of theInternational journal of molecular sciences · 2024Article
- Natural nanofibers embedded in the seed mucilage envelope: composite hydrogels with specific adhesive and frictional properties.Beilstein journal of nanotechnology · 2024Review
- Two Arabidopsis promoters drive seed-coat specific gene expression in pennycress and camelina.Plant methods · 2023Article
- Multi-omic analyses reveal the unique properties of chia (Salvia hispanica) seed metabolism.Communications biology · 2023Article
- Mucilage secretion by aerial roots in sorghum (Sorghum bicolor): sugar profile, genetic diversity, GWAS and transcriptomic analysis.Plant molecular biology · 2023Article
- Cell wall-localized BETA-XYLOSIDASE4 contributes to immunity of Arabidopsis against Botrytis cinerea.Plant physiology · 2022Article
- Asymmetric distribution of extracellular matrix proteins in seed coat epidermal cells of Arabidopsis is determined by polar secretion.Plant direct · 2021Article
- Article
- Fasciclin-Like Arabinogalactan-Protein 16 (FLA16) Is Required for Stem Development inFrontiers in plant science · 2020Article
- Natural Variation Reveals a Key Role for Rhamnogalacturonan I in Seed Outer Mucilage and Underlying Genes.Plant physiology · 2019Article
- Assessing the utility of seed coat-specific promoters to engineer cell wall polysaccharide composition of mucilage.Plant molecular biology · 2019Article
- New steps in mucilage biosynthesis revealed by analysis of the transcriptome of the UDP-rhamnose/UDP-galactose transporter 2 mutant.Journal of experimental botany · 2019Article
- Article
- RUBY, a Putative Galactose Oxidase, Influences Pectin Properties and Promotes Cell-To-Cell Adhesion in the Seed Coat Epidermis of Arabidopsis.The Plant cell · 2019Article
- A TRANSPARENT TESTA Transcriptional Module Regulates Endothelium Polarity.Frontiers in plant science · 2019Article
- Seed coats as an alternative molecular factory: thinking outside the box.Plant reproduction · 2018Review
- Fascinating Fasciclins: A Surprisingly Widespread Family of Proteins that Mediate Interactions between the Cell Exterior and the Cell Surface.International journal of molecular sciences · 2018Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant cell wall proteins are important regulators of cell wall architecture and function. However, because cell wall proteins are difficult to extract and analyze, they are generally poorly understood. Here, we describe the identification and characterization of proteins integral to the Arabidopsis (Arabidopsis thaliana) seed coat mucilage, a specialized layer of the extracellular matrix composed of plant cell wall carbohydrates that is used as a model for cell wall research. The proteins identified in mucilage include those previously identified by genetic analysis, and several mucilage proteins are reduced in mucilage-deficient mutant seeds, suggesting that these proteins are genuinely associated with the mucilage. Arabidopsis mucilage has both nonadherent and adherent layers. Both layers have similar protein profiles except for proteins involved in lipid metabolism, which are present exclusively in the adherent mucilage. The most abundant mucilage proteins include a family of proteins named TESTA ABUNDANT1 (TBA1) to TBA3; a less abundant fourth homolog was named TBA-LIKE (TBAL). TBA and TBAL transcripts and promoter activities were detected in developing seed coats, and their expression requires seed coat differentiation regulators. TBA proteins are secreted to the mucilage pocket during differentiation. Although reverse genetics failed to identify a function for TBAs/TBAL, the TBA promoters are highly expressed and cell type specific and so should be very useful tools for targeting proteins to the seed coat epidermis. Altogether, these results highlight the mucilage proteome as a model for cell walls in general, as it shares similarities with other cell wall proteomes while also containing mucilage-specific features.
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