Plant and Cell Physiology, 1985, Vol. 26, No. 3 437-445
© 1985
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Xyloglucan in the Cell Walls of Suspension-Cultured Rice Cells
Department of Agricultural Chemistry, Faculty of Agriculture, Tohoku University Sendai, Miyagi 980, Japan
The xyloglucan present in the 24% KOH extract of the cell walls of suspension-cultured rice cells was characterized by fragmentation analysis with Trichoderma viride cellulase and Aspergillus oryzae ß-D-glucosidase. The xyloglucan is composed mainly of the following oligosaccharide units:
Results showed that the xyloglucan of suspension-cultured rice cells is more extensively branched than is that of rice seedlings. Another structural characteristic of the former xyloglucan is the presence of D-galactosyl-D-xylosyl side chains that are not found in the latter.
(Received June 15, 1984; Accepted January 11, 1985)
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