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Requirement of Borate Cross-Linking of Cell Wall Rhamnogalacturonan II for Arabidopsis Growth
Turgor-driven plant cell growth depends on wall structure. Two allelic l-fucose–deficient Arabidopsis thalianamutants (mur1-1 and 1-2) are dwarfed and their rosette leaves do not grow normally. mur1… Expand
An Arabidopsis Cell Wall Proteoglycan Consists of Pectin and Arabinoxylan Covalently Linked to an Arabinogalactan Protein[W]
Pectin and xylan are generally considered as separate cell wall glycan networks distinct from cell wall proteins. This work describes a cell wall proteoglycan with pectin and arabinoxylan covalently… Expand
Moss and liverwort xyloglucans contain galacturonic acid and are structurally distinct from the xyloglucans synthesized by hornworts and vascular plants.
Xyloglucan is a well-characterized hemicellulosic polysaccharide that is present in the cell walls of all seed-bearing plants. The cell walls of avascular and seedless vascular plants are also… Expand
Oligogalacturonides inhibit the formation of roots on tobacco explants
α-1,4-Oligogalacturonides with degrees of polymerization (DPs) ranging from 6 to 18 or 2 to 8 were added to tobacco leaf explants and root formation was evaluated after 15 days of incubation.… Expand
Mutations in Multiple XXT Genes of Arabidopsis Reveal the Complexity of Xyloglucan Biosynthesis1[W][OA]
Xyloglucan is an important hemicellulosic polysaccharide in dicot primary cell walls. Most of the enzymes involved in xyloglucan synthesis have been identified. However, many important details of its… Expand
Biological activity of reducing-end-derivatized oligogalacturonides in tobacco tissue cultures.
The biological activity of reducing-end-modified oligogalacturonides was quantified in four tobacco (Nicotiana tabacum) tissue culture bioassays. The derivatives used were oligogalacturonides with… Expand
β-1,3-Glucans are components of brown seaweed (Phaeophyceae) cell walls
- S. C. Raimundo, S. Pattathil, S. Eberhard, M. Hahn, Z. Popper
- Biology, Medicine
- 1 March 2017
LAMP is a cell wall-directed monoclonal antibody (mAb) that recognizes a β-(1,3)-glucan epitope. It has primarily been used in the immunolocalization of callose in vascular plant cell wall research.… Expand
Oligosaccharins--oligosaccharides that regulate growth, development and defence responses in plants.
Oligogalacturonides are able to induce flowers to form on tobacco explants
Summary Oligogalacturonides (α-1,4-D-galactosyluronic acid oligomers) are fragments of the homogalacturonan component of the primary cell walls of higher plants. Treatment of cell walls with… Expand
Pectic Cell Wall Fragments Regulate Tobacco Thin-Cell-Layer Explant Morphogenesis.
Pectic fragments of cell wall polysaccharides, released from the walls of suspension-cultured sycamore cells by treatment with endopolygalacturonase, were tested for morphogenesis-regulating activity… Expand