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. 1990;93(5):469-71.
doi: 10.1007/BF00266402.

Use of an alpha-D-glucosidase for the specific cytochemical identification of lateral alpha-D-xylosyl end groups in plant xyloglucans

K Ruel  1 , J P Joseleau
Affiliations

Use of an alpha-D-glucosidase for the specific cytochemical identification of lateral alpha-D-xylosyl end groups in plant xyloglucans

K Ruel et al. Histochemistry. 1990.

Abstract

alpha-Linked D-xylosyl side chains represent the typical feature common to all xyloglucans not shared by other cell wall polysaccharides. Since no easily available alpha-D-xyloxidase is known, advantage was taken of the conformational and configurational homologies between alpha-D-xylopyranose and alpha-D-glucopyranose to make an alpha-D-glucosidase-gold complex which was able to recognize alpha-D-xylosyl terminal residues of xyloglucans. This marker was used together with alpha-L-fucosidase gold complex for the double labeling on two different structural features of the same macromolecule in plant primary cell wall.

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