Arabinogalactan-Proteins: Structure, Biosynthesis, and Function

Abstract

INTRODUCTION . DISTRIBUTION AND STRUCTURE OF ARABINOGALACTAN-PROTEINS AND ARABINOGALACTANS . Distribution . Structures of AGs and AGPs . COMPLEXING OF AGPs WITH ARTIFICIAL CARBOHYDRATE ANTIGENS, LECTINS, AND ANTISERA . AGP-Artificial Carbohydrate Antigen Interactions . AGP-Lectin Interactions . AGP-Antisera Interactions . CELL WALL GL YCOPROTEINS AND LECTINS OF THE SOLANACEAE .. . . ......... . . . . ..... . . . Isolation . Composition . Structure . BIOSYNTHESIS OF AGPs . Peptidyl-Proline Hydroxylation . In vitro Synthesis of the Protein Precursor of the Cell Wall Glycoprotein .. Biosynthesis of AG Polysaccharide . SUbcellular Location of AGP Biosynthesis .. Turnover of AGPs . FUNCTION . Potential for Specific Interactions .. ��':-li:z'Jf�:(!:;:�� .. :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Analogy with Animal Glycosaminoglycans .. CONCLUSIONS .