ArticleThe Plant cell2008
Disrupting two Arabidopsis thaliana xylosyltransferase genes results in plants deficient in xyloglucan, a major primary cell wall component.
Article in The Plant cell, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 196 papers.
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196 citing papers in PubMed, 431 citations in OpenAlex.
- Mass distribution profiling of cell wall matrix polysaccharide biosynthesis mutants reveals alterations in non-targeted matrix polysaccharides.Cell surface (Amsterdam, Netherlands) · 2026Article
- The Plant Cell Wall: From Structural Diversity and Biosynthesis to Integrity Signaling and Physiological Functions.Plants (Basel, Switzerland) · 2026Review
- Mechanical constraint causes lower turgor, thicker walls, and faster growth in Arabidopsis root hairs.Plant physiology · 2026Article
- Interaction with COPII Member SAR1 Is Critical for the Delivery ofPlants (Basel, Switzerland) · 2026Article
- Modelling stomatal mechanics: a critical review.The New phytologist · 2026Review
- QTL mapping and transcriptome analysis identified BnaA03.XTH4 as a novel negative regulator of plant height in Brassica napus L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Storming the barricades of rhamnogalacturonan-II synthesis and function.The Plant cell · 2025Review
- Regulatory effects of gibberellin and cytokinin on citrus peel cell wall metabolism.BMC plant biology · 2025Article
- Article
- Analysis of xyloglucan metabolism mutants highlights the prominent role of xylose cleavage in seed dormancy.The Plant journal : for cell and molecular biology · 2025Article
- Time-resolved tracking of cellulose biosynthesis and assembly during cell wall regeneration in liveScience advances · 2025Article
- Global transcriptional modulation and nutritional status of soybean plants following foliar application of zinc borate as a suspension concentrate fertilizer.Scientific reports · 2025Article
- Chitosan stimulates root hair callose deposition, endomembrane dynamics, and inhibits root hair growth.Plant, cell & environment · 2025Article
- Heterogeneity in Mechanical Properties of Plant Cell Walls.Plants (Basel, Switzerland) · 2024Review
- CELLULOSE SYNTHASE-LIKE C proteins modulate cell wall establishment during ethylene-mediated root growth inhibition in rice.The Plant cell · 2024Article
- Architecture and functions of stomatal cell walls in eudicots and grasses.Annals of botany · 2024Review
- Xyloglucan deficiency leads to a reduction in turgor pressure and changes in cell wall properties, affecting early seedling establishment.Current biology : CB · 2024Article
- Structure and growth of plant cell walls.Nature reviews. Molecular cell biology · 2024Review
- The plant cell wall-dynamic, strong, and adaptable-is a natural shapeshifter.The Plant cell · 2024Review
- Rapid alkalinization factor 22 has a structural and signalling role in root hair cell wall assembly.Nature plants · 2024Article
136 more citing papers are in PubMed but not listed here.
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Authors and funding
12 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Xyloglucans are the main hemicellulosic polysaccharides found in the primary cell walls of dicots and nongraminaceous monocots, where they are thought to interact with cellulose to form a three-dimensional network that functions as the principal load-bearing structure of the primary cell wall. To determine whether two Arabidopsis thaliana genes that encode xylosyltransferases, XXT1 and XXT2, are involved in xyloglucan biosynthesis in vivo and to determine how the plant cell wall is affected by the lack of expression of XXT1, XXT2, or both, we isolated and characterized xxt1 and xxt2 single and xxt1 xxt2 double T-DNA insertion mutants. Although the xxt1 and xxt2 mutants did not have a gross morphological phenotype, they did have a slight decrease in xyloglucan content and showed slightly altered distribution patterns for xyloglucan epitopes. More interestingly, the xxt1 xxt2 double mutant had aberrant root hairs and lacked detectable xyloglucan. The reduction of xyloglucan in the xxt2 mutant and the lack of detectable xyloglucan in the xxt1 xxt2 double mutant resulted in significant changes in the mechanical properties of these plants. We conclude that XXT1 and XXT2 encode xylosyltransferases that are required for xyloglucan biosynthesis. Moreover, the lack of detectable xyloglucan in the xxt1 xxt2 double mutant challenges conventional models of the plant primary cell wall.
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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.