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Plant Physiology 48:389-393 (1971) © 1971 American Society of Plant Biologists A Partial Characterization of an Autolytically Solubilized Cell Wall Glucan 1a Department of Botany and Plant Pathology, Michigan State University, East Lansing, Michigan 48823
Incubation of purified cell wall fragments from corn (Zea mays) coleoptiles results in solubilization of some of the wall dry matter. The portion of the weight loss due to enzymatic autolysis is due mainly to solubilization of a glucan and, to a small extent, to liberation of free glucose. No other carbohydrate wall components or sugars other than glucose are solubilized despite the high concentrations of, for example, galactans, arabans, and xylans in the walls. The glucan has been partially characterized and found to be a lichenan-like polymer composed of 1
1 This work was supported, in part, by The National Science Foundation (GB6709X and GB-18353X) and by The United States Atomic Energy Commission, Contract AT-(11-1)-1338. Journal Article 5411 from the Michigan Agricultural Experiment Station.
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