ArticleBMC biotechnology2013
Fibres from flax overproducing β-1,3-glucanase show increased accumulation of pectin and phenolics and thus higher antioxidant capacity.
Article in BMC biotechnology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 37 citations in OpenAlex.
- Constitutive Expression of AtVTE2 in Flax Is Associated with Changes in Isoprenoid Metabolism and Stem Cell-Wall Composition.International journal of molecular sciences · 2026Article
- Ultrasound-Assisted Extraction, Characterization, and Antioxidant Activities of the Polysaccharides from FermentedMolecules (Basel, Switzerland) · 2025Article
- Genome-wide identification of the grapevine β-1,3-glucanase gene (VviBG) family and expression analysis under different stresses.BMC plant biology · 2024Article
- Oils from Transgenic Flax Lines as Potential Chemopreventive Agents in Colorectal Cancer.Biomedicines · 2023Article
- Overexpression of Bacterial Beta-Ketothiolase Improves Flax (Metabolites · 2023Article
- Proteomic Analysis of Alfalfa (Genes · 2022Article
- Physiological and Proteomic Analysis of Different Molecular Mechanisms of Sugar Beet Response to Acidic and Alkaline pH Environment.Frontiers in plant science · 2021Article
- Article
- Biological Activity and Pharmacological Application of Pectic Polysaccharides: A Review.Polymers · 2018Review
- Differential gene expression in response to Fusarium oxysporum infection in resistant and susceptible genotypes of flax (Linum usitatissimum L.).BMC plant biology · 2017Article
- High Constitutive Overexpression of Glycosyl Hydrolase Family 17 Delays Floral Transition by Enhancing FLC Expression in Transgenic Arabidopsis.Plants (Basel, Switzerland) · 2017Article
- Plant Fibre: Molecular Structure and Biomechanical Properties, of a Complex Living Material, Influencing Its Deconstruction towards a Biobased Composite.Materials (Basel, Switzerland) · 2016Review
- Chalcone Synthase (CHS) Gene Suppression in Flax Leads to Changes in Wall Synthesis and Sensing Genes, Cell Wall Chemistry and Stem Morphology Parameters.Frontiers in plant science · 2016Article
- Oligonucleotide treatment causes flax β-glucanase up-regulation via changes in gene-body methylation.BMC plant biology · 2014Article
- Manipulating cinnamyl alcohol dehydrogenase (CAD) expression in flax affects fibre composition and properties.BMC plant biology · 2014Article
- Crossbreeding of transgenic flax plants overproducing flavonoids and glucosyltransferase results in progeny with improved antifungal and antioxidative properties.Molecular breeding : new strategies in plant improvement · 2014Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRecently, in order to improve the resistance of flax plants to pathogen infection, transgenic flax that overproduces β-1,3-glucanase was created. β-1,3-glucanase is a PR protein that hydrolyses the β-glucans, which are a major component of the cell wall in many groups of fungi. For this study, we used fourth-generation field-cultivated plants of the Fusarium -resistant transgenic line B14 to evaluate how overexpression of the β-1,3-glucanase gene influences the quantity, quality and composition of flax fibres, which are the main product obtained from flax straw.
resultsOverproduction of β-1,3-glucanase did not affect the quantity of the fibre obtained from the flax straw and did not significantly alter the essential mechanical characteristics of the retted fibres. However, changes in the contents of the major components of the cell wall (cellulose, hemicellulose, pectin and lignin) were revealed. Overexpression of the β-1,3-glucanase gene resulted in higher cellulose, hemicellulose and pectin contents and a lower lignin content in the fibres. Increases in the uronic acid content in particular fractions (with the exception of the 1 M KOH-soluble fraction of hemicelluloses) and changes in the sugar composition of the cell wall were detected in the fibres of the transgenic flax when compared to the contents for the control plants. The callose content was lower in the fibres of the transgenic flax. Additionally, the analysis of phenolic compound contents in five fractions of the cell wall revealed important changes, which were reflected in the antioxidant potential of these fractions.
conclusionOverexpression of the β-1,3-glucanase gene has a significant influence on the biochemical composition of flax fibres. The constitutive overproduction of β-1,3-glucanase causes a decrease in the callose content, and the resulting excess glucose serves as a substrate for the production of other polysaccharides. The monosaccharide excess redirects the phenolic compounds to bind with polysaccharides instead of to partake in lignin synthesis. The mechanical properties of the transgenic fibres are strengthened by their improved biochemical composition, and the increased antioxidant potential of the fibres supports the potential use of transgenic flax fibres for biomedical applications.
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