Structural Features of Free N-Glycans Occurring in Developing or Growing Plant Cells and Functional Feature of Plant Endo-β-N-Acetylglucosaminidase

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9 Citations (Scopus)

Abstract

It has been revealed that high-mannose type free N-glycans with one N-acetylglucosamine and plant complex type N-glycans with N-acetylchitobiose segment occur ubiquitously in developing or growing plant cells (hypocotyls of seedlings or developing seeds). Taking account of the reducing-end structure of such free N-glycans, the high-mannose type and plant complex type free glycans would be produced by the action of endo-β-N-acetylglucosaminidase (ENGase) and peptide:N-glycanase (PNGase), respectively. Functional analysis of free N-glycans becomes an interesting subject of plant physiology, since such oligosaccharides have been postulated to have a function as an auxin-like signaling molecule for tomato fruit ripening. In this review, the author provides an overview of the current knowledge of the structural features and putative function of these free N-glycans occurring in plant cells, linking to the functional features of the plant endoglycosidase.

Original languageEnglish
Pages (from-to)103-111
Number of pages9
JournalTrends in Glycoscience and Glycotechnology
Volume12
Issue number64
Publication statusPublished - Mar 1 2000

Keywords

  • Endo-β-N-acetylglucosaminidase (ENGase)
  • Free N-glycan
  • N-glycan structure and function
  • Peptide:N-glycanase (PNGase)
  • Plant glycoproteins

ASJC Scopus subject areas

  • Biochemistry
  • Organic Chemistry

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