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Microbial l-asparaginase: purification, characterization and applications

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Abstract

l-asparaginase (E.C.3.5.1.1) is an important enzyme that has been purified and characterized for over decades to study and evaluate its anti-carcinogenic activity against different lymphoproliferative disorders such as acute lymphoblastic leukemia (ALL) and Hodgkin’s lymphoma. The ability of the enzyme to convert l-asparagine into aspartic acid and ammonia is the reason behind its anti-cancerous activity. Apart from its medicinal uses, it is widely used in food industry to tackle acrylamide, a probable human carcinogen and, production in carbohydrate-rich foods cooked at high temperatures. There are variety of organisms including microorganisms such as bacteria, fungi, algae, and plants that produce l-asparaginase. The enzyme obtained from different microbial and plant sources have different physiochemical properties and kinetic parameters. l-asparaginases have an optimum pH range between 6 and 10 and an optimum temperature between 37 and 85 °C. This article has reviewed the lowest molecular mass for l-asparaginase in Yersinia pseudotuberculosis Q66CJ2 which is 36.27 kDa, while the highest for Pseudomonas otitidis which has a molecular mass of 205 ± 3 kDa. This review is an attempt to summarize most of the available sources, their phylogenetic relationships, purification methods, data regarding different physiochemical and kinetic properties of l-asparaginase.

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Correspondence to Habibullah Nadeem.

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Communicated by Erko Stackebrandt.

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Muneer, F., Siddique, M.H., Azeem, F. et al. Microbial l-asparaginase: purification, characterization and applications. Arch Microbiol 202, 967–981 (2020). https://doi.org/10.1007/s00203-020-01814-1

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  • DOI: https://doi.org/10.1007/s00203-020-01814-1

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