期刊
CURRENT OPINION IN BIOTECHNOLOGY
卷 73, 期 -, 页码 51-60出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.copbio.2021.07.001
关键词
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资金
- Genome Canada [10405]
- European Research Council (ERC) [BHIVE-648925]
Xylan is a natural polysaccharide that has attracted much interest in its upgrading for various applications. Significant progress has been made in the discovery and application of enzymes for debranching and modifying xylans, leading to improved properties and potential uses.
Xylan is one of the most abundant, natural polysaccharides, and much recent interest focuses on upgrading heteroxylan to make use of its unique structures and chemistries. Significant progress has been made in the discovery and application of novel enzymes for debranching and modifying heteroxylans. Debranching enzymes include acetylxylan esterases, alpha-L- arabinofuranosidases and a-D-glucuronidases that release side groups from the xylan backbone to recover both biochemicals and less substituted xylans for polymer applications in food packaging or drug delivery systems. Besides esterases and hydrolases, many oxidoreductases including carbohydrate oxidases, lytic polysaccharide monooxygenases, laccases and peroxidases have been also applied to alter different types of xylans for improved physical and chemical properties. This review will highlight the recent discovery and application of enzymes for upgrading xylans for use as added-value chemicals and in functional polymers.
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