ArticleJournal of experimental botany2023
Cell wall fucosylation in Arabidopsis influences control of leaf water loss and alters stomatal development and mechanical properties.
Article in Journal of experimental botany, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 12 citations in OpenAlex.
- Apoplastic pH modulates gene expression, the proteome, and ABA content in Vicia faba guard cells and is accompanied by reduced stomatal aperture under salt stress.Journal of experimental botany · 2026Article
- Plasmodesmata wall biomechanics: challenges and opportunities.Journal of experimental botany · 2026Review
- A review of guard cell wall architecture in shaping stomatal morphology and function.Frontiers in plant science · 2026Review
- Characterisation of cuticle mechanical properties: analysing stiffness in layered living systems to understand surface buckling patterns.Soft matter · 2025Article
- Effect of Singlet Oxygen on the Stomatal and Cell Wall of Rice Seedling Under Different Stresses.International journal of molecular sciences · 2025Article
- Storming the barricades of rhamnogalacturonan-II synthesis and function.The Plant cell · 2025Review
- Understanding pectin cross-linking in plant cell walls.Communications biology · 2025Article
- Micronutrient deficiency-induced oxidative stress in plants.Plant cell reports · 2024Review
- Singlet oxygen induces cell wall thickening and stomatal density reducing by transcriptome reprogramming.The Journal of biological chemistry · 2023Article
- Overexpression ofInternational journal of molecular sciences · 2023Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
The Arabidopsis sensitive-to-freezing8 (sfr8) mutant exhibits reduced cell wall (CW) fucose levels and compromised freezing tolerance. To examine whether CW fucosylation also affects the response to desiccation, we tested the effect of leaf excision in sfr8 and the allelic mutant mur1-1. Leaf water loss was strikingly higher than in the wild type in these, but not other, fucosylation mutants. We hypothesized that reduced fucosylation in guard cell (GC) walls might limit stomatal closure through altering mechanical properties. Multifrequency atomic force microscopy (AFM) measurements revealed a reduced elastic modulus (E'), representing reduced stiffness, in sfr8 GC walls. Interestingly, however, we discovered a compensatory mechanism whereby a concomitant reduction in the storage modulus (E'') maintained a wild-type viscoelastic time response (tau) in sfr8. Stomata in intact leaf discs of sfr8 responded normally to a closure stimulus, abscisic acid, suggesting that the time response may relate more to closure properties than stiffness does. sfr8 stomatal pore complexes were larger than those of the wild type, and GCs lacked a fully developed cuticular ledge, both potential contributors to the greater leaf water loss in sfr8. We present data that indicate that fucosylation-dependent dimerization of the CW pectic domain rhamnogalacturonan-II may be essential for normal cuticular ledge development and leaf water retention.
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