Subcellular Targeting of Proteins Involved in Modification of Plant N- and O-Glycosylation

  • Martina Dicker
  • Jennifer Schoberer
  • Ulrike Vavra
  • Richard Strasser
Part of the Methods in Molecular Biology book series (MIMB, volume 1321)


Plants are attractive expression hosts for the production of recombinant glycoprotein therapeutics. The quality and efficiency of these biopharmaceuticals are very often influenced by the glycosylation profile. Consequently, approaches are needed that enable the production of recombinant glycoproteins with customized and homogenous N- and O-glycan structures. Here, we describe convenient tools that allow targeting and retention of glycan-modifying enzymes in the early secretory pathway of plants. These protocols can be used to fine-tune the subcellular localization of glycosyltransferases and glycosidases in plants and consequently to increase the homogeneity of glycosylation on recombinant glycoproteins.

Key words

Glycosylation Complex N-glycans Mucin-type O-glycans Glycoprotein Glycosyltransferase Glycosidases Endoplasmic reticulum Golgi apparatus Protein targeting Protein retention 



We would like to thank Christiane Veit (Department of Applied Genetics and Cell Biology) for assistance in cloning and Friedrich Altmann and Daniel Maresch (both Department of Chemistry) for LC-ESI-MS-analysis. This work was supported by a grant from the Federal Ministry of Transport, Innovation and Technology (bmvit) and Austrian Science Fund (FWF): TRP 242-B20.


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Martina Dicker
    • 1
  • Jennifer Schoberer
    • 1
  • Ulrike Vavra
    • 1
  • Richard Strasser
    • 1
  1. 1.Department of Applied Genetics and Cell BiologyUniversity of Natural Resources and Life SciencesViennaAustria

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