مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

MOLECULAR CLONING, EXPRESSION AND PURIFICATION OF PROTEIN TB10.4 SECRETED BY MYCOBACTERIUM TUBERCULOSIS

Pages

  189-193

Abstract

 Objective (s): Tuberculosis (TB) is the leading cause of mortality among the infectious diseases, especially in developing countries. One of the main goals in tuberculosis research is to identify antigens which have the ability of inducing cellular and/or humoral immunity in order to use them in diagnostic reagents or vaccine design. The aim of this study was to clone and express the TB10.4 protein in Escherichia coli expression system.Materials and Methods: DNA was extracted from MYCOBACTERIUM TUBERCULOSIS H37Rv. Gene specific primers were designed using Gene Runner software according to sanger sequence database. GENE TB10.4 fragment was amplified by PCR method and purified tb10.4 gene was cloned into pET 102/D vector. Plasmid containing pET102/D-10.4 was transformed into competence E. coli TOP10. A positive transformant was chosen and plasmids DNA was isolated and subsequently transformed into competence E. coli BL21(DE3). The bacterium was induced by IPTG and its lysates were loaded directly onto SDS-PAGE. Purified recombinant protein was achieved using metal affinity chromatography (Ni-nitrilotriacetic acid).Results: TB10.4 molecule was successfully cloned, expressed, and purified. An approximately 26.4 kDa exogenous protein was observed on the SDS-PAGE. The recombinant protein was confirmed by DNA sequencing of correct insert.Conclusion: The success of expressing the TB10.4 protein could serve as a basis for further studies on the usefulness of the gene and its expression product in the development of subunit vaccine and diagnostic method.

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    Cite

    APA: Copy

    GHOLOUBI, A., SANKIAN, M., ZARIF, R., FARSHADZADEH, Z., YOUSEFI, FOROUGH, SADEGHIAN, ALI, DERAKHSHAN, MOHAMMAD, & VARASTEH, A.R.. (2010). MOLECULAR CLONING, EXPRESSION AND PURIFICATION OF PROTEIN TB10.4 SECRETED BY MYCOBACTERIUM TUBERCULOSIS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 13(4 (47)), 189-193. SID. https://sid.ir/paper/556531/en

    Vancouver: Copy

    GHOLOUBI A., SANKIAN M., ZARIF R., FARSHADZADEH Z., YOUSEFI FOROUGH, SADEGHIAN ALI, DERAKHSHAN MOHAMMAD, VARASTEH A.R.. MOLECULAR CLONING, EXPRESSION AND PURIFICATION OF PROTEIN TB10.4 SECRETED BY MYCOBACTERIUM TUBERCULOSIS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2010;13(4 (47)):189-193. Available from: https://sid.ir/paper/556531/en

    IEEE: Copy

    A. GHOLOUBI, M. SANKIAN, R. ZARIF, Z. FARSHADZADEH, FOROUGH YOUSEFI, ALI SADEGHIAN, MOHAMMAD DERAKHSHAN, and A.R. VARASTEH, “MOLECULAR CLONING, EXPRESSION AND PURIFICATION OF PROTEIN TB10.4 SECRETED BY MYCOBACTERIUM TUBERCULOSIS,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 13, no. 4 (47), pp. 189–193, 2010, [Online]. Available: https://sid.ir/paper/556531/en

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