A comprehensive review on microbial L-asparaginase: Bioprocessing, characterization and industrial applications.

Chand, Subhash and Mahajan, Richi V and Prasad, Jai Prakash and Sahoo, Debendra K and Mihooliya, Kanti Nandan and Dhar, Mahesh S and Sharma, Girish (2020) A comprehensive review on microbial L-asparaginase: Bioprocessing, characterization and industrial applications. Biotechnology and applied biochemistry. ISSN 1470-8744

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L-asparaginase (E.C. is a vital enzyme which hydrolyzes L-asparagine to L-aspartic acid and ammonia. This property of L-asparaginase inhibits the protein synthesis in cancer cells, making L-asparaginase a mainstay of pediatric chemotherapy practices to treat acute lymphoblastic leukemia (ALL) patients. L-asparaginase is also recognized as one of important food processing agent. The removal of asparagine by L-asparaginase leads to the reduction of acrylamide formation in fried food items. L-asparaginase is produced by various organisms including animals, plants and microorganisms, however, only microorganisms which produce a substantial amount of this enzyme are of commercial significance. The commercial L-asparaginase for healthcare applications is chiefly derived from E. coli and Erwinia chrysanthemi. A high rate of hypersensitivity and adverse reactions limits the long term clinical use of L-asparaginase. Present review provides thorough information on microbial L-asparaginase bioprocess optimization including submerged fermentation (SmF) and solid state fermentation (SSF) for L-asparaginase production, downstream purification, its characterization and issues related to the clinical application including toxicity and hypersensitivity. Here we have highlighted the bioprocess techniques which can produce improved and economically viable yields of L-asparaginase from promising microbial sources in the current scenario where there is an urgent need for alternate L-asparaginase with less adverse effects. This article is protected by copyright. All rights reserved.

Item Type: Article
Additional Information: Copyright of this article belongs to Wiley.
Uncontrolled Keywords: L-asparaginase; chemotherapeutic agent; enzyme; fermentation; food processing agent
Subjects: Q Science > QR Microbiology
Depositing User: Dr. K.P.S.Sengar
Date Deposited: 05 Feb 2020 10:13
Last Modified: 05 Feb 2020 10:13
URI: http://crdd.osdd.net/open/id/eprint/2538

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