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  Tailormade Polysaccharides with Defined Branching Patterns: Enzymatic Polymerization of Arabinoxylan Oligosaccharides

Senf, D., Ruprecht, C., Kishani, S., Matic, A., Toriz, G., Gatenholm, P., et al. (2018). Tailormade Polysaccharides with Defined Branching Patterns: Enzymatic Polymerization of Arabinoxylan Oligosaccharides. Angewandte Chemie International Edition, 57(37), 11987-11992. doi:10.1002/anie.201806871.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-47DF-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-47E0-1
Genre: Journal Article

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 Creators:
Senf, Deborah1, Author              
Ruprecht, Colin1, Author              
Kishani, Saina, Author
Matic, Aleksandar1, Author
Toriz, Guillermo, Author
Gatenholm, Paul, Author
Wågberg, Lars, Author
Pfrengle, Fabian1, Author              
Affiliations:
1Fabian Pfrengle, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863303              

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Free keywords: carbohydrates, enzymes, glycosynthases, structure elucidation, synthetic methods
 Abstract: The heterogeneous nature of non-cellulosic polysaccharides, such as arabinoxylan, makes it difficult to correlate molecular structure with macroscopic properties. To study the impact of specific structural features of the polysaccharides on crystallinity or affinity to other cell wall components, collections of polysaccharides with defined repeating units are required. Herein, a chemoenzymatic approach to artificial arabinoxylan polysaccharides with systematically altered branching patterns is described. The polysaccharides were obtained by glycosynthase-catalyzed polymerization of glycosyl fluorides derived from arabinoxylan oligosaccharides. X-ray diffraction and adsorption experiments on cellulosic surfaces revealed that the physicochemical properties of the synthetic polysaccharides strongly depend on the specific nature of their substitution patterns. The artificial polysaccharides allow structure?property relationship studies that are not accessible by other means.

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 Dates: 2018-09-10
 Publication Status: Published in print
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 Identifiers: DOI: 10.1002/anie.201806871
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Project name : Emmy Noether
Grant ID : PF850/1-1
Funding program : -
Funding organization : DFG

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Title: Angewandte Chemie International Edition
  Other : Angewandte Chemie, International Edition
  Other : Angew. Chem. Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 57 (37) Sequence Number: - Start / End Page: 11987 - 11992 Identifier: ISSN: 1433-7851