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Updated: Sep 29, 2026

Glycan Profiling of Plant Cell Wall Polymers using Microarrays
Published on: December 17, 2012
N-Linked Glycan Chains on S-Allele-Associated Glycoproteins from Nicotiana alata
J. R. Woodward1, A. Bacic, W. Jahnen
1Plant Cell Biology Research Centre, School of Botany, University of Melbourne, Parkville, Victoria 3052, Australia.
Abstract:
The products of the self-incompatibility locus of flowering plants are glycoproteins. The specificity of different alleles at this locus might be expressed through differences in either amino acid sequences or by the glycan substituents. We have investigated the numbers of N-linked glycan chains on the S-glycoproteins and obtained information on their structure by enzymic cleavage with N-glycanase and endo-[beta]-N-acetylglucosaminidase H. In addition to there being variation in the numbers of chains on the S-glycoproteins, each glycoprotein appears to consist of a spectrum of "glycoforms" bearing chains of differing type and fine structure. This microheterogeneity in N-linked glycan chains may be functionally significant.
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