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Title: Metabolism of galactosyl-oligosaccharides in Stellaria media - Discovery of stellariose synthase, a novel type of galactosyltransferase
Authors: Vanhaecke, Mieke
Dyubankova, Natalia
Lescrinier, Eveline
Van den Ende, Wim # ×
Issue Date: Jul-2010
Publisher: Pergamon-elsevier science ltd
Series Title: Phytochemistry vol:71 issue:10 pages:1095-1103
Abstract: The raffinose family oligosaccharides (RFOs), including raffinose (Gal-alpha(1 -> 6)-Glc-alpha(1 -> 2)beta-Fru), stachyose (Gal-alpha(1 -> 6)-Gal-alpha(1 -> 6)-Glc-alpha(1 -> 2)beta-Fru) and higher degree of polymerization RFOs are the most widespread galactosyl-oligosaccharides (GOS) in the plant kingdom. Stellaria media is a typical representative of the Caryophyllaceae, a plant family lacking stachyose and the typical galactosyl extensions of stachyose. During cold treatment raffinose, lychnose (Gal-alpha(1 -> 6)-Glc-alpha(1 -> 2)beta-Frua(1 -> 1)-Gal) and stellariose (Gal-alpha(1 -> 6)-[Gal-alpha(1 -> 4)]-Glc-alpha(1 -> 2)beta-Fru-alpha(1 -> 1)-Gal) were found to accumulate in S. media stems. Next to these prominent oligosaccharides, two extra GOS were discovered.
ISSN: 0031-9422
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory for Molecular Plant Physiology (-)
Medicinal Chemistry
Molecular Physiology of Plants and Micro-organisms Section - miscellaneous
× corresponding author
# (joint) last author

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