Pectin substances of the callus culture of <Emphasis Type="Italic">Silene vulgaris</Emphasis> (M.) G. |
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Authors: | Ye A Günter Yu S Ovodov |
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Institution: | 1.Institute of Physiology, Komi Scientific Center, Ural Division,Russian Academy of Sciences,Syktyvkar,Russia |
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Abstract: | Pectin-protein fraction SVC was isolated from the callus culture of the bladder campion (Silene vulgaris). The main components in it were residues of D-galacturonic acid, galactose, arabinose, rhamnose, and protein. Using ion-exchange
chromatography, ultrafiltration, and acid and enzymatic hydrolysis, it was shown that SVC contained a mixture of molecules
of linear pectin, branched pectin polysaccharide, and pectin-protein polymer. A fragment of the linear chain of galacturonan
amounted to more than half of the entire carbohydrate silenan chain. The branched area of the macromolecule is represented
by rhamnogalacturonan I. The pectin-protein polymer consisted mainly of protein and weakly branched pectin fragments with
molecular mass of more than 300 kDa. |
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