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  • Title: Transfer of glucose-1-phosphate from UDP-glucose to lipid acceptors in plants.
    Author: Romero PA, Lezica RP.
    Journal: Acta Physiol Lat Am; 1976; 26(5):364-70. PubMed ID: 1052600.
    Abstract:
    Particulated preparations from pea seedlings formed lipid-linked glucose from UDP (14C)-glucose and endogenous acceptors at 0 C. The product has been identified as a polyprenyl pyrophosphate-glucose based on the following results: a) the glucolipid is labile to mild acid hydrolysis; b) when chromatographed in alkaline solvents, glucose-1,2-cyclic phosphate is obtained; c) the pattern elution of a DEAE-cellulose column fits in well with a pyrophosphate derivative; d) exogenous polyprenyl phosphate stimulated the incorporation of glucose into lipids; e) when incubated with (beta-32P)-UDP-glucose, radioactivity is incorporated into lipids; f) the reaction is reversed by 5 mM UMP. It is suggested that the glucolipid is an intermediate in glycan biosynthesis.
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