Xylan degrading enzymes from fungal sources

Kirikyali, N. and Connerton, Ian F. (2015) Xylan degrading enzymes from fungal sources. Journal of Proteomics & Enzymology, 4 (1). 118/1-118/11. ISSN 2324-9099

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Abstract

Fungi have the ability to degrade xylan as the major component of plant cell wall hemicellulose. Fungi have evolved batteries of xylanolytic enzymes that concertedly act to depolymerise xylan backbones decorated with variable carbohydrate branches. As an alternative to acid extraction in industrial processes the combination of endo-1,4-β-xylanase and β-xylosidase can reduce xylan to xylose. However, unlike chemical extraction procedures enzyme systems can selectively hydrolyse α-L-arabinofuranosyl, 4-O-methyl-α-D-glucuronopyranosyl, acetyl and phenolic branches, and therefore have the potential to deconstruct hemicellulose whilst retaining desirable structural integrity and functionality. The sources, structures and catalytic activities of fungal xylanolytic enzymes are reviewed and discussed in the context of their biotechnological potential.

Item Type: Article
Keywords: Hemicellulose, Xylan, B-xylosidase, Endo-xylanase, Xylose
Schools/Departments: University of Nottingham UK Campus > Faculty of Science > School of Biosciences > Division of Food Sciences
Identification Number: https://doi.org/10.4172/10.4172/jpe.1000118
Depositing User: Connerton, Ian
Date Deposited: 28 Aug 2015 13:39
Last Modified: 14 Sep 2016 00:11
URI: http://eprints.nottingham.ac.uk/id/eprint/29725

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