Article
Requirement of borate cross-linking of cell wall rhamnogalacturonan II for Arabidopsis growth.
Science (New York, N.Y.) - 26 Oct 2001
O'Neill M A, Eberhard S, Albersheim P, Darvill A G
Abstract excerpt
Turgor-driven plant cell growth depends on wall structure. Two allelic l-fucose-deficient Arabidopsis thaliana mutants (mur1-1 and 1-2) are dwarfed and their rosette leaves do not grow normally. mur1 leaf cell walls contain normal amounts of the cell wall pectic polysaccharide rhamnogalacturonan II (RG-II), but only half exists as a borate cross-linked dimer. The altered structure of mur1 RG-II reduces the rate...
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