Dear Editor, Xylan polysaccharides constitute the major non-cellulosic components in secondary cell walls of dicots and in both primary and secondary cell walls of grasses (Scheller and Ulvskov, 2010). Xylan is com...
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Dear Editor, Xylan polysaccharides constitute the major non-cellulosic components in secondary cell walls of dicots and in both primary and secondary cell walls of grasses (Scheller and Ulvskov, 2010). Xylan is composed of a linear backbone of 13(1-4)-linked xylose (Xyl). In grasses, the xylan backbone is substituted with 03-1inked and 02-1inked arabinose residues and, to a lesser extent, a(1-3)-Iinked glucuronic acid residues.
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