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:: Volume 10, Issue 3 (Atumn 2020) ::
J Fasa Univ Med Sci 2020, 10(3): 2558-2566 Back to browse issues page
Isolation and Purification of L-Asparaginase from Persian Gulf Streptomyces Isolates and Evaluation of It’s Cloned Gene Expression in Escherichia Coli by Real-Time and SDS-PAGE
Hadiseh Soofer1 , Kumarss Amini 2, Seyed Mohammad Masoud Shushtarian3
1- Department of Biochemistry, Faculty of Advanced Science and Technology, Tehran Medical Branch, Islamic Azad University, Tehran, Iran
2- Department of Microbiology, Faculty of Basic Sciences, Saveh Branch, Islamic azad university, Saveh, Iran , dr_kumarss-amini@yahoo.com
3- Department of Biophysics & Biochemistry, Faculty of Advanced Science and Technology, Tehran Medical Branch, Islamic Azad University, Tehran, Iran
Abstract:   (912 Views)
Background & Objective: Asparaginase enzymes are effective in treating lymphoblastic leukemia cancer. This enzyme is isolated from bacterial sources and commercially available as an anticancer drug. The aim of this study was to isolate and purifiy L-asparaginase from persian gulf Streptomyces isolates and evaluate its cloned gene expression in E. coli by Real-Time and SDS-PAGE.
Materials & methods: Streptomyces isolates were isolated from the Persian Gulf and identified by biochemical tests, then, L-asparaginase genes were isolated from streptomyces by PCR method. The amplified fragment was entered into vector pTG19 by the TA cloning technique. In the next step, the recombinant vector was transformed into E. coli using CaCl2 method and cloning confirmation using conventional methods.
Result: The results of this study showed that Streptomyces isolates from the Persian Gulf were capable of producing L-asparaginase. Eventually, the gene of this enzyme was successfully transformed to E. coli by vector and produced high efficiency L-asparaginase.
Conclusion: Finding new bacterial strains producing L-asparaginase and using gene engineering techniques can lead to better performance of these enzymes, thereby taking a big step in the direction of increasing and facilitating the production of L-asparaginase in the pharmaceutical industry.
 

Keywords: L-Asparaginase, Streptomyces, Lymphoblastic Leukemia
Full-Text [PDF 1346 kb]   (131 Downloads)    
Type of Study: Research | Subject: Microbiology
Received: 2019/12/13 | Accepted: 2020/05/16 | Published: 2021/01/26
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Soofer H, Amini K, Shushtarian S M M. Isolation and Purification of L-Asparaginase from Persian Gulf Streptomyces Isolates and Evaluation of It’s Cloned Gene Expression in Escherichia Coli by Real-Time and SDS-PAGE. J Fasa Univ Med Sci. 2020; 10 (3) :2558-2566
URL: http://jabs.fums.ac.ir/article-1-2192-en.html


Volume 10, Issue 3 (Atumn 2020) Back to browse issues page
Journal of Fasa University of Medical Sciences
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