ArticleThe Plant journal : for cell and molecular biology2018
Suppression of Arabidopsis GGLT1 affects growth by reducing the L-galactose content and borate cross-linking of rhamnogalacturonan-II.
Article in The Plant journal : for cell and molecular biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 46 citations in OpenAlex.
- Close contact: role of the extracellular matrix in cell adhesion and separation during plant development and reproduction.Plant reproduction · 2026Review
- Co-expression of AkCSLA3 and AkMSR1 correlates with altered free monosaccharide pools in Pichia pastoris.BMC plant biology · 2026Article
- Storming the barricades of rhamnogalacturonan-II synthesis and function.The Plant cell · 2025Review
- Genetic Editing ofGenes · 2025Article
- Putative rhamnogalacturonan-II glycosyltransferase identified through callus gene editing which bypasses embryo lethality.Plant physiology · 2024Article
- The ascorbate biosynthesis pathway in plants is known, but there is a way to go with understanding control and functions.Journal of experimental botany · 2024Review
- A mutation in CsGME encoding GDP-mannose 3,5-epimerase results in little and wrinkled leaf in cucumber.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Article
- QTL analysis for ascorbic acid content in strawberry fruit reveals a complex genetic architecture and association with GDP-L-galactose phosphorylase.Horticulture research · 2023Article
- Cell wall ester modifications and volatile emission signatures of plant response to abiotic stress.Plant, cell & environment · 2022Article
- An Arabidopsis thaliana arabinogalactan-protein (AGP31) and several cationic AGP fragments catalyse the boron bridging of rhamnogalacturonan-II.The Biochemical journal · 2022Article
- Crosstalk of Cytokinin with Ethylene and Auxin for Cell Elongation Inhibition and Boron Transport in Arabidopsis Primary Root under Boron Deficiency.Plants (Basel, Switzerland) · 2022Article
- Building an extensible cell wall.Plant physiology · 2022Article
- MAG2 and MAL Regulate Vesicle Trafficking and Auxin Homeostasis With Functional Redundancy.Frontiers in plant science · 2022Article
- Article
- Plant Cell Wall Hydration and Plant Physiology: An Exploration of the Consequences of Direct Effects of Water Deficit on the Plant Cell Wall.Plants (Basel, Switzerland) · 2021Article
- Golgi-localized membrane protein AtTMN1/EMP12 functions in the deposition of rhamnogalacturonan II and I for cell growth in Arabidopsis.Journal of experimental botany · 2021Article
- Maintenance of Cell Wall Integrity under High Salinity.International journal of molecular sciences · 2021Review
- ThePlant direct · 2021Article
- Plant cell wall integrity maintenance in model plants and crop species-relevant cell wall components and underlying guiding principles.Cellular and molecular life sciences : CMLS · 2020Review
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Authors and funding
12 authors at 4 institutions in 2 countries.
Funding
Abstract
Boron is a micronutrient that is required for the normal growth and development of vascular plants, but its precise functions remain a subject of debate. One established role for boron is in the cell wall where it forms a diester cross-link between two monomers of the low-abundance pectic polysaccharide rhamnogalacturonan-II (RG-II). The inability of RG-II to properly assemble into a dimer results in the formation of cell walls with abnormal biochemical and biomechanical properties and has a severe impact on plant productivity. Here we describe the effects on RG-II structure and cross-linking and on the growth of plants in which the expression of a GDP-sugar transporter (GONST3/GGLT1) has been reduced. In the GGLT1-silenced plants the amount of L-galactose in side-chain A of RG-II is reduced by up to 50%. This leads to a reduction in the extent of RG-II cross-linking in the cell walls as well as a reduction in the stability of the dimer in the presence of calcium chelators. The silenced plants have a dwarf phenotype, which is rescued by growth in the presence of increased amounts of boric acid. Similar to the mur1 mutant, which also disrupts RG-II cross-linking, GGLT1-silenced plants display a loss of cell wall integrity under salt stress. We conclude that GGLT1 is probably the primary Golgi GDP-L-galactose transporter, and provides GDP-L-galactose for RG-II biosynthesis. We propose that the L-galactose residue is critical for RG-II dimerization and for the stability of the borate cross-link.
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