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Cell-wall carbohydrates and their modification as a resource for biofuels.
Plant cell walls represent the most abundant renewable resource on this planet. Despite their great abundance, only 2% of this resource is currently used by humans. Hence, research into the…
Disrupting Two Arabidopsis thaliana Xylosyltransferase Genes Results in Plants Deficient in Xyloglucan, a Major Primary Cell Wall Component[W][OA]
It is concluded that XXT1 and XXT2 encode xylosyltransferases that are required for xyloglucan biosynthesis in vivo and this results in significant changes in the mechanical properties of these plants.
The Transcription Factor WIN1/SHN1 Regulates Cutin Biosynthesis in Arabidopsis thaliana[W]
- R. Kannangara, Caroline A. Branigan, P. Broun
- Environmental Science, BiologyThe Plant Cell Online
- 1 April 2007
Overall, the results suggest that WIN1 modulates cuticle permeability in Arabidopsis by regulating genes encoding cutin pathway enzymes, which is likely to be directly targeted by WIN1.
ARABINAN DEFICIENT 1 Is a Putative Arabinosyltransferase Involved in Biosynthesis of Pectic Arabinan in Arabidopsis1[W]
- Jesper Harholt, J. Jensen, S. Sørensen, C. Orfila, M. Pauly, H. Scheller
- BiologyPlant Physiology
- 23 December 2005
Analysis of mutant lines with T-DNA insertion in the ARABINAN DEFICIENT 1 gene suggested that ARAD1 is an arabinan α-1,5-arabinosyltransferase, a putative glycosyl transferase of type 2 membrane protein with a signal anchor in Arabidopsis.
A xyloglucan-specific endo-beta-1,4-glucanase from Aspergillus aculeatus: expression cloning in yeast, purification and characterization of the recombinant enzyme.
It was shown that treatment of plant cell walls with XEG yields only xyloglucan oligosaccharides, indicating that this enzyme can be a powerful tool in the structural elucidation of xylglucans.
O-Acetylation of Plant Cell Wall Polysaccharides
Understanding the O-acetylation mechanism is important as acetyl-substituents inhibit the enzymatic degradation of wall polymers and released acetate can be a potent inhibitor in microbial fermentations, thus impacting the economic viability of lignocellulosic based biofuel production.
Comparative deep transcriptional profiling of four developing oilseeds
- M. A. Troncoso-Ponce, Aruna Kilaru, J. Ohlrogge
- BiologyThe Plant journal : for cell and molecular…
- 10 October 2011
Using pyrosequencing, over 7 million ESTs from four stages of developing seeds of Ricinus communis, Brassica napus, Euonymus alatus and Tropaeolum majus are generated, revealing both conserved and distinct species-specific expression patterns for genes involved in the synthesis of glycerolipids and their precursors.
Overexpression of Pectin Methylesterase Inhibitors in Arabidopsis Restricts Fungal Infection by Botrytis cinerea1[C][W]
Transformed plants showed a slight but significant increase in root length and were more resistant to the necrotrophic fungus Botrytis cinerea and reduced symptoms caused by the fungus on transgenic plants were related to its impaired ability to grow on methylesterified pectins.
Xylan O-acetylation impacts xylem development and enzymatic recalcitrance as indicated by the Arabidopsis mutant tbl29.
This paper presents a meta-analyses of the determinants of infectious disease outbreaks in eight operation theatres and shows clear patterns of disease progression that are consistent with those seen in the literature on infectious disease.
An Arabidopsis Gene Regulatory Network for Secondary Cell Wall Synthesis
A protein–DNA network is presented between Arabidopsis thaliana transcription factors and secondary cell wall metabolic genes with gene expression regulated by a series of feed-forward loops to develop and validate new hypotheses about secondary wall gene regulation under abiotic stress.