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Microbial β-glucanases: production, properties, and engineering

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Abstract

Lignocellulosic biomass, which mainly consists of cellulose and hemicellulose, is the most abundant renewable biopolymer on earth. β-Glucanases are glycoside hydrolases (GHs) that hydrolyze β-glucan, one of the dominant components of the plant cell wall, into cello-oligosaccharides and glucose. Among them, endo-β-1,4-glucanase (EC 3.2.1.4), exo-glucanase/cellobiohydrolase (EC 3.2.1.91), and β-glucosidase (EC 3.2.1.21) play critical roles in the digestion of glucan-like substrates. β-Glucanases have attracted considerable interest within the scientific community due to their applications in the feed, food, and textile industries. In the past decade, there has been considerable progress in the discovery, production, and characterization of novel β-glucanases. Advances in the development of next-generation sequencing techniques, including metagenomics and metatranscriptomics, have unveiled novel β-glucanases isolated from the gastrointestinal microbiota. The study of β-glucanases is beneficial for research and development of commercial products. In this study, we review the classification, properties, and engineering of β-glucanases.

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Funding

This work was supported by the Key R & D Program of Zhejiang Province (2022C02043), and National Key Research and Development Program of China (2018YFD0501903).

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XJ was involved in the research and preparation of the original draft of the manuscript. JKW and QW supervised the study and were involved in funding acquisition. Additionally, QW reviewed and edited the manuscript.

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Correspondence to Qian Wang.

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The authors declare that they have no conflict of interest.

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Jin, X., Wang, JK. & Wang, Q. Microbial β-glucanases: production, properties, and engineering. World J Microbiol Biotechnol 39, 106 (2023). https://doi.org/10.1007/s11274-023-03550-2

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  • DOI: https://doi.org/10.1007/s11274-023-03550-2

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