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- Title
Insights into promiscuous chitosanases: the known and the unknown.
- Authors
Su, Haipeng; Sun, Jianan; Jia, Zhenrong; Zhao, Hongjun; Mao, Xiangzhao
- Abstract
Chitosanase, a glycoside hydrolase (GH), catalyzes the cleavage of β-1,4-glycosidic bonds in polysaccharides and is widely distributed in nature. Many organisms produce chitosanases, and numerous chitosanases in the GH families have been intensely studied. The reported chitosanases mainly cleaved the inter-glucosamine glycosidic bonds, while substrate specificity is not strictly unique due to the existence of bifunctional or multifunctional activity profiles. The promiscuity of chitosanases is essential for the different pathways of biomass polysaccharide conversion and understanding of the chitosanase evolutionary process. However, the reviews for this aspect are completely unknown. This review provides an overview of the promiscuous activities, also considering the substrate and product specificity of chitosanases observed to date. These contribute to important implications for the future discovery and research of promiscuous chitosanases and applications related to biomass conversion. Key points: • The promiscuity of chitosanases is reviewed for the first time. • The current review provides insights into the substrate specificity of chitosanases. • The mode-product relationship and prospect of promiscuous chitosanases are highlighted.
- Subjects
BIOMASS conversion; PROMISCUITY; POLYSACCHARIDES; SCISSION (Chemistry)
- Publication
Applied Microbiology & Biotechnology, 2022, Vol 106, Issue 21, p6887
- ISSN
0175-7598
- Publication type
Academic Journal
- DOI
10.1007/s00253-022-12198-1