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Related Concept Videos

Oligosaccharide Assembly01:24

Oligosaccharide Assembly

Protein glycosylation starts in the ER lumen and continues in the Golgi apparatus. Glycosyltransferases catalyze the addition of sugar molecules or glycosylation of proteins. Usually, these enzymes add sugars to the hydroxyl groups of selected serine or threonine residues to form O-linked glycans or the amino groups of asparagine residues to form N-linked glycans. Different positions on the same polypeptide chain can contain differently linked glycans.
Multiple sugar molecules that may or may...

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Hierarchical and Programmable One-Pot Oligosaccharide Synthesis
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HPLC-assisted automated oligosaccharide synthesis.

N Vijaya Ganesh1, Kohki Fujikawa, Yih Horng Tan

  • 1Department of Chemistry and Biochemistry and the Center for Nanoscience, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, USA.

Organic Letters
|June 1, 2012
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Summary

A standard High-Performance Liquid Chromatography (HPLC) system was modified for automated polymer-supported oligosaccharide synthesis. This setup enables real-time monitoring and control of all synthesis steps, streamlining the process.

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Area of Science:

  • Carbohydrate Chemistry
  • Analytical Chemistry
  • Organic Synthesis

Background:

  • Oligosaccharide synthesis is crucial for understanding biological processes.
  • Current methods can be complex and time-consuming.
  • Automation offers potential for increased efficiency and reproducibility.

Purpose of the Study:

  • To adapt a standard High-Performance Liquid Chromatography (HPLC) system for automated polymer-supported oligosaccharide synthesis.
  • To demonstrate real-time monitoring and control of the synthesis process.
  • To integrate all key steps of oligosaccharide assembly into a single automated setup.

Main Methods:

  • Modification of a standard HPLC system.
  • Utilizing a software-controlled solvent delivery system for reagent application.
  • Employing a UV detector for real-time reaction monitoring.
  • Performing all synthesis steps (loading, glycosylation, deprotection, cleavage) on the adapted HPLC setup.

Main Results:

  • Successful adaptation of HPLC for polymer-supported oligosaccharide synthesis.
  • Demonstration of real-time monitoring of reaction progress and completion.
  • Capability to perform all essential oligosaccharide assembly steps within the system.

Conclusions:

  • The adapted HPLC system provides an efficient and automated platform for oligosaccharide synthesis.
  • This approach facilitates streamlined, monitored, and reproducible synthesis of complex carbohydrates.
  • The setup integrates multiple synthesis steps, reducing manual intervention and potential errors.