Article
l-Galactose replaces l-fucose in the pectic polysaccharide rhamnogalacturonan II synthesized by the l-fucose-deficient mur1 Arabidopsis mutant.
Planta - 1 May 2004
Reuhs Bradley L, Glenn Joshua, Stephens Samuel B, Kim John S, Christie D Benjamin, Glushka John G, Zablackis Earl, Albersheim Peter, Darvill Alan G, O'Neill Malcolm A
Abstract excerpt
Arabidopsis thaliana mur1 is a dwarf mutant with altered cell-wall properties, in which l-fucose is partially replaced by l-galactose in the xyloglucan and glycoproteins. We found that the mur1 mutation also affects the primary structure of the pectic polysaccharide rhamnogalacturonan II (RG-II). In mur1 RG-II a non-reducing terminal 2- O-methyl l-galactosyl residue and a 3,4-linked l-galactosyl residue replace...
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