I. Pectin (Bio)Synthesis.- Interaction of a stylar pectic polysaccharide and a basic protein (sca) mediates lily pollen tube adhesion.- Towards unraveling the biological significance of the individual components of pectic hairy regions in plants.- Detergent-solubilisation of a homogalacturonan galacturonosyltransferase from mung bean.- Pectin the hairy thing: evidence that homogalacturonan is a side chain of rhamnogalacturonan I.- II. Structure, Physical and Chemical Properties of Pectin.- Covalent cross-linking of primary cell wall pectic polysaccharides is required for normal plant growth.- Differences in the methyl ester distribution of pectins.- Physico-chemical properties of pectins in the cell walls and after extraction.- A comparison of lime and orange pectin which were rapidly extracted from albedo.- The hydration behaviour of pectin networks and plant cell walls.- Structural features of pectic substances from hemicellulose extracts of apples.- Pectin cell biology: complexity in context.- Pectic substances from soybean cell walls distinguish themselves from other plant cell wall pectins.- III. Molecular Genetics and Regulation of Pectinase Biosynthesis.- Regulation of pectinolytic gene expression in Aspergillus.- Transgenesis with an antisense construct and a promoter-reporter fusion for the study of lupme3, a flax pectin methylesterase gene.- Regulation and role of pectinases in phytopathogenic fungi.- Synthesis of pectin fragments by modular design principle.- IV. Identification, Mode of Action, and 3-D Structure of Pectinases.- Mechanistic lessons from structural studies of the pectate lyases.- Mode of action analysis and structure function Relationships in Aspergillus niger pectinolytic enzymes.- Endo-xylogalacturonan hydrolase, a novel enzyme for fruit processing.- The structures and active sites of pectinases.- Recent observations on the specificity and structural conformation of the polygalacturonase polygalacturonase inhibiting protein system.-lS