ArticlePlant physiology2014
SALT-OVERLY SENSITIVE5 Mediates Arabidopsis Seed Coat Mucilage Adherence and Organization through Pectins.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.
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Who cites it
55 citing papers in PubMed, 94 citations in OpenAlex.
- Rational gene stacking for seed-specific carbon partitioning to simultaneously enhance lipid and protein contents in Arabidopsis.Journal of experimental botany · 2026Article
- Plant cell wall remodeling and peptide signaling under abiotic and biotic stress.Plant communications · 2026Review
- Mucilicious methods: Navigating the tools developed to Arabidopsis Seed Coat Mucilage analysis.Cell surface (Amsterdam, Netherlands) · 2025Review
- Article
- Microalgae enhance cadmium accumulation inFrontiers in plant science · 2025Article
- Arabinogalactan proteins - Multifunctional glycoproteins of the plant cell wall.Cell surface (Amsterdam, Netherlands) · 2023Review
- The Genetic Control of SEEDSTICK and LEUNIG-HOMOLOG in Seed and Fruit Development: New Insights into Cell Wall Control.Plants (Basel, Switzerland) · 2022Article
- Arabinogalactan Proteins: Focus on the Role in Cellulose Synthesis and Deposition during Plant Cell Wall Biogenesis.International journal of molecular sciences · 2022Review
- Combined Abiotic Stresses Repress Defense and Cell Wall Metabolic Genes and Render Plants More Susceptible to Pathogen Infection.Plants (Basel, Switzerland) · 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
- Review
- FASCICLIN-LIKE 18 Is a New Player Regulating Root Elongation inFrontiers in plant science · 2021Article
- Seed-specific down-regulation of Arabidopsis CELLULOSE SYNTHASE 1 or 9 reduces seed cellulose content and differentially affects carbon partitioning.Plant cell reports · 2020Article
- Mechanisms of Plant Responses and Adaptation to Soil Salinity.Innovation (Cambridge (Mass.)) · 2020Review
- Elucidating the roles of three β-glucuronosyltransferases (GLCATs) acting on arabinogalactan-proteins using a CRISPR-Cas9 multiplexing approach in Arabidopsis.BMC plant biology · 2020Article
- Transcription Factors BLH2 and BLH4 Regulate Demethylesterification of Homogalacturonan in Seed Mucilage.Plant physiology · 2020Article
- Three Decades of Advances in Arabinogalactan-Protein Biosynthesis.Frontiers in plant science · 2020Review
- On the Potential Function of Type II ArabinogalactanFrontiers in plant science · 2020Review
- A small-scale fractionation pipeline for rapid analysis of seed mucilage characteristics.Plant methods · 2020Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
Abstract
Interactions between cell wall polymers are critical for establishing cell wall integrity and cell-cell adhesion. Here, we exploit the Arabidopsis (Arabidopsis thaliana) seed coat mucilage system to examine cell wall polymer interactions. On hydration, seeds release an adherent mucilage layer strongly attached to the seed in addition to a nonadherent layer that can be removed by gentle agitation. Rhamnogalacturonan I (RG I) is the primary component of adherent mucilage, with homogalacturonan, cellulose, and xyloglucan constituting minor components. Adherent mucilage contains rays composed of cellulose and pectin that extend above the center of each epidermal cell. CELLULOSE SYNTHASE5 (CESA5) and the arabinogalactan protein SALT-OVERLY SENSITIVE5 (SOS5) are required for mucilage adherence through unknown mechanisms. SOS5 has been suggested to mediate adherence by influencing cellulose biosynthesis. We, therefore, investigated the relationship between SOS5 and CESA5. cesa5-1 seeds show reduced cellulose, RG I, and ray size in adherent mucilage. In contrast, sos5-2 seeds have wild-type levels of cellulose but completely lack adherent RG I and rays. Thus, relative to each other, cesa5-1 has a greater effect on cellulose, whereas sos5-2 mainly affects pectin. The double mutant cesa5-1 sos5-2 has a much more severe loss of mucilage adherence, suggesting that SOS5 and CESA5 function independently. Double-mutant analyses with mutations in MUCILAGE MODIFIED2 and FLYING SAUCER1 that reduce mucilage release through pectin modification suggest that only SOS5 influences pectin-mediated adherence. Together, these findings suggest that SOS5 mediates adherence through pectins and does so independently of but in concert with cellulose synthesized by CESA5.
Identifiers
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.