Saskia R Karg

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Biopharmaceuticals present the fastest growing segment in the pharmaceutical industry, with an ever widening scope of applications. Whole plants as well as contained plant cell culture systems are being explored for their potential as cheap, safe, and scalable production hosts. The first plant-derived biopharmaceuticals have now reached the clinic. Many(More)
Plant N-linked glycans differ substantially from their mammalian counterparts, mainly with respect to modifications of the core glycan, which typically contains a beta(1,2)-xylose and an alpha(1,3)-fucose. The addition of a bisecting N-acetylglucosamine residue by beta(1,4)-N-acetylglucosaminyltransferase III (GnTIII) is known to control the processing of(More)
Plant-specific N-glycosylation, such as the introduction of core alpha1,3-fucose and beta1,2-xylose residues, is a major obstacle to the utilization of plant cell- or plant-derived recombinant therapeutic proteins. The beta1,4-N-acetylglucosaminyltransferase III (GnTIII) introduces a bisecting GlcNAc residue into N-glycans, which exerts a high level of(More)
The use of plants as production hosts for recombinant glycoproteins, which is rapidly developing, requires methods for fast and reliable analysis of plant N-linked glycans. This study describes a simple small-scale method for the preparation of N-linked glycans from soluble plant protein and analysis thereof by matrix assisted laser desorption ionisation(More)
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