Volume 25, Issue 2 (May 2017)                   JSSU 2017, 25(2): 78-90 | Back to browse issues page

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Ghasemi M, Doosti A. Generation of a gene cassette for genetically engineered Salmonella Enteritidis in the specific region of the sipC gene. JSSU 2017; 25 (2) :78-90
URL: http://jssu.ssu.ac.ir/article-1-3933-en.html
Abstract:   (4797 Views)

Introduction: Salmonellosis is an infection caused by eating contaminated food with Salmonella, and it can occur in humans and other animals. Salmonella has acquired the ability to create the infection due to the presence of several virulence genes. One of the virulence genes of salmonella is sipC gene that coding the SipC protein. The aim of this study was creating the gene cassette to genetically engineered Salmonella enteritidis in the specific region of the sipC gene.

Methods: In this study, after DNA extraction from Salmonella, the upstream and downstream regions of the sipC gene was amplified based on PCR method. The PCR products were cloned with T/A cloning method and they were inserted into the pGEM vector. In order to generate the final gene cassette, each of the upstream and downstream regions of the sipC gene was subcloned into the pET32 vector, and cloning accuracy was assessed by PCR and enzyme digestion methods.

Results: Amplification of the 320 bp upstream and 206 bp downstream of sipC gene was successful by PCR method. T/A cloning of these fragments were caused the formation of two pGEM-up and pGEM-down recombinant vectors. Results that were confirmed the sub-cloning accuracy indicate the formation of the final pET32-up-down gene cassette.

Conclusion: The generated gene cassette in this study was considered as a multi-purpose cassette that is able to specific gene manipulation of Salmonella sipC gene by homologous recombination matched. This gene cassette has the necessary potential for sipC gene deletion or insertion of any useful gene instead of sipC gene.

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Type of Study: Original article | Subject: Biology
Received: 2016/10/19 | Accepted: 2017/01/22 | Published: 2017/06/20

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