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Book
ISBN: 1464925437 9780323918053 Year: 2012 Publisher: Atlanta, Georgia : ScholarlyEditions,
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Dissertation
Year: 1991
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Polygalacturonase --- Purification --- Kluyveromyces marxianus --- Glycosidases --- Enzyme activity
Dissertation
Year: 2002
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The glycosidic aroma compounds are widely present in a variety of fruit. Their enzymic hydrolysis allows the liberation of additional flavour which can be usable. Glycosidic precursors occurring in strawberries were pointed out and characterized by extraction and identification of aglycone and sugar moieties. The qualitative and quantitative importance of these compounds compared with free volatiles was proved. Study of the evolution of glycosides during fruit development was carried out in order to clear up the role of conjugated flavours. The occurrence of glycosidase activities in strawberries and their impact on the liberation of this aroma potential were investigated. The use of the studied system was applied on strawberry based products in order to verify the usefulness of the new knowledge and to give evidence of the advantage of additional flavour liberation from glycosides in such products.
Fragaria --- Flavour compounds --- Glycosides --- Enzyme activity --- Glycosidases
Dissertation
Year: 2002
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Potato UDP-Glucose : protein transglucosylase (UPTG ; EC 2.4.1.112) is an enzyme capable of autoglycosylation in vitro but its precise role in vivo is still unknown. Based on the biochemical characterization of UPTG two hypotheses have been formulated : a role in the initiation of starch biosynthesis or a role in cell wall polysaccharide biosynthesis. First the sequences of two cDNAs, called UPTG1 and UPTG2 and coding for potato UPTG were characterized in more detail and their expression was analysed in this work. A subcellular localization using antibodies against the purified potato UPTG indicates a Golgi localization of UPTG. In order to test in planta the intervention of UPTG in polysaccharide metabolism of Solanum tuberosum L., transgenic plants were produced. Some transgenic lines showed an important reduction of UPTG protein levels but they did not show any difference in their development, in the amylose/amylopectin ratio or during the cell wall signature analysis as compared to the wild type. According to the results obtained, an UPTG intervention in starch synthesis seems unlikely. Whereas indications pointing towards a role of UPTG in cell wall polysaccharide synthesis exist, the analysis of our transgenic plants did not allow to confirm this.
Solanum tuberosum --- Enzymes --- Glycosidases --- Polysaccharides --- Carbohydrate metabolism
Book
ISBN: 1611222559 9781611222555 9781617619830 1617619833 Year: 2011 Publisher: New York
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Cellulase. --- Glycosidases. --- Glycoside hydrolases --- Hydrolases --- Endo-1,4-beta-glucanase --- Glucanase, Endo-1,4-beta --- Glycosidases
Article
Year: 1993 Publisher: [S.l.] : [s.n.],
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Enzymes --- Enzymes --- Enzyme activity --- Enzyme activity --- Glycosidases --- Glycosidases --- Mutants --- Mutants --- Xylanase --- Xylanase
ISBN: 0080544606 1281100080 9786611100087 0444823301 9780444823304 9780080544601 Year: 1996 Publisher: Amsterdam ; New York : Elsevier,
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Pectins are one of the classes of complex structural plant cell wall polysaccharides. They are localized in the middle lamella and primary cell wall of higher plants. Pectins have a long-standing use as gelling agents whereas their enzymatic degradation or modification plays an important role in the processing of agricultural crops and the manufacturing of foods and beverages. Progress in pectin and pectinase research has been most prominent in two areas over the past 5 years. The first one concerns the analysis and elucidation of the complex chemical structure of pectin and identification of
Pectin --- Polygalacturonase --- Pectin depolymerase --- Pectin hydrolase --- Pectinase --- Pectolase --- Glycosidases --- Polysaccharides
Book
ISBN: 0120342413 9786611466688 1281466689 0080582141 9780080582146 Year: 1991 Publisher: New York, NY ; London : Academic Press,
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ADVANCES IN PROTEIN CHEMISTRY VOL 41
Proteins. --- Lysozyme. --- Mucopeptide glucohydrolase --- Muramidase --- Glycosidases --- Proteids --- Biomolecules --- Polypeptides --- Proteomics
Dissertation
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Symbionts --- Reticulitermes flavipes --- Isoptera --- Metabolism --- Hemicellulose. --- Hemicellulose --- Glycosidases --- Enzymatic hydrolysis
Dissertation
Year: 1995
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Glycosidases --- Bacillus subtilis --- Hemicellulose. --- Hemicellulose --- Production --- Bioreactors --- Xylanase
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