首页|Myco-chitinases as versatile biocatalysts for translation of coastal residual resources to eco-competent chito-bioactives
Myco-chitinases as versatile biocatalysts for translation of coastal residual resources to eco-competent chito-bioactives
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NSTL
Elsevier
? 2022 British Mycological SocietyChitinases (EC 3.2.1.14) are the glycoside hydrolases (GH) that catalyse the cleavage of β-(1,4) glycosidic linkages of chitin, which is a key element of fungal cell wall and insect's exoskeletons. Fungi have been considered as an excellent source for the production of extracellular chitinases, which could further be employed for chitin degradation to generate a range of bioactive chito-derivatives, i.e., oligosaccharides and glucosamine. Moreover, chitinases have diverse roles in various physiological functions, i.e., autolysis, cell wall remodeling, mycoparasitism and biocontrol. The advent of technology led to the sequencing of several fungal genomes and enabled the manipulation of novel effective chitinase genes to investigate their mechanistic and structural insights to decode the variabilities in chitin degradation. Further, the comprehensible understanding of attributes including substrate-binding sites and catalytic domains could give an insight into chitin catabolism for value-added products development. The review summarized various aspects of fungal chitinases viz. structure, mechanism, classification, properties, functions and application in the present precis. The study has also underlined the recent research related to the framework of substrate-binding clefts in fungal chitinases and its correlation with the hydrolytic and transglycosylation (TG) activity for the production of oligosaccharides with variable degrees of polymerization.
NSTL
Elsevier
