EXPRESSION CLONING OF RECOMBINANT ESCHERICHIA COLI LACZ GENES ENCODING CYTOPLASMIC AND NUCLEAR β-GALACTOSIDASE VARIANTS

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NADERIAN HOMAYOUN; REZVANI ZAHRA; ATLASI MOHAMMAD ALI; NIKZAD HOSSEIN; AF DE VRIES ANTOINE

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Journal Paper

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Journal: Iranian Journal of Basic Medical Sciences Year:2011 | Volume:14 | Issue:4 (51) Page(s): 369-375

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Title

EXPRESSION CLONING OF RECOMBINANT ESCHERICHIA COLI LACZ GENES ENCODING CYTOPLASMIC AND NUCLEAR β-GALACTOSIDASE VARIANTS

Author(s)

Keywords

EXPRESSION CLONING

HELA CELLS

LACZ GENE

PCDNA3.1/MYC-HIS C

POLYETHYLENIMINE

TRANSFECTION

Abstract

Objective (s): Nonviral vector can be an attractive alternative to gene delivery in experimental study. In spite of some advantages in comparison with the viral vectors, there are still some limitations for efficiency of gene delivery in nonviral vectors. To determine the effective expression, the recombinant Escherichia coli LACZ GENEs were cloned into the different variants of pcDNA3.1 and then the mammalian cells were transfected.Methods and Materials: The coding sequences of cytoplasmic and nuclear variants of LACZ GENE were inserted downstream of the human cytomegalovirus immediate-early gene promoter of plasmid PCDNA3.1/MYC-HIS C. The new cytoplasmic and nuclear constricts of E. coli b-galactosidase-coding sequences were introduced into HELA CELLS with the aid of linear POLYETHYLENIMINE and at 2 days post-transfection the cells were stained using 5-bromo-4-chloro-3-indolyl-b-D-galactopyranoside (X-gal).Results: Restriction enzyme analyses revealed the proper insertion of E. coli b-galactosidase-coding sequences into the multiple cloning site of PCDNA3.1/MYC-HIS C. The functionality of the resulting constructs designated pcDNA3.1-cyt.lacZ and pcDNA3.1-nls.lacZ (+) was confirmed by X-gal staining of HELA CELLS transfected with these recombinant plasmids. While pcDNA3.1-cyt.lacZ directed the synthesis of cytoplasmically located b-galactosidase molecules, the b-galactosidase protein encoded by pcDNA3.1-nls.lacZ (+) was predominantly detected in the cell nucleus.Conclusion: The expression of cytoplasmic and nuclear variant of LACZ GENE confirmed the ability of pcDNA3.1 as versatility nonviral vector for the experimental gene delivery study in mammalian cells.

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APA: Copy

NADERIAN, HOMAYOUN, REZVANI, ZAHRA, ATLASI, MOHAMMAD ALI, NIKZAD, HOSSEIN, & AF DE VRIES, ANTOINE. (2011). EXPRESSION CLONING OF RECOMBINANT ESCHERICHIA COLI LACZ GENES ENCODING CYTOPLASMIC AND NUCLEAR β-GALACTOSIDASE VARIANTS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 14(4 (51)), 369-375. SID. https://sid.ir/paper/561667/en

Vancouver: Copy

NADERIAN HOMAYOUN, REZVANI ZAHRA, ATLASI MOHAMMAD ALI, NIKZAD HOSSEIN, AF DE VRIES ANTOINE. EXPRESSION CLONING OF RECOMBINANT ESCHERICHIA COLI LACZ GENES ENCODING CYTOPLASMIC AND NUCLEAR β-GALACTOSIDASE VARIANTS. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2011;14(4 (51)):369-375. Available from: https://sid.ir/paper/561667/en

IEEE: Copy

HOMAYOUN NADERIAN, ZAHRA REZVANI, MOHAMMAD ALI ATLASI, HOSSEIN NIKZAD, and ANTOINE AF DE VRIES, “EXPRESSION CLONING OF RECOMBINANT ESCHERICHIA COLI LACZ GENES ENCODING CYTOPLASMIC AND NUCLEAR β-GALACTOSIDASE VARIANTS,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 14, no. 4 (51), pp. 369–375, 2011, [Online]. Available: https://sid.ir/paper/561667/en

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