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Introduction:
Vibrio cholerae causes potentially lethal disease, cholera, through the elaboration of the intestinal
Archives of Clinical Infectious Diseases
Infectious Diseases and Tropical Medicine Research Center, SBUMS
Expression of Recombinant Zonula Occludens Toxin (Zot) of Vibrio Cholerae and Biological Activity on Rabbit Ileal Loops
Author(s):
1Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, IR Iran
2Department of Genetic, Faculty of Basic Science, Tarbiat Modares University, Tehran, IR Iran
3Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, IR Iran
Published online:Oct 31, 2011
Article type:Research Article
How to Cite:Anvari S, Najar Peerayeh S, Behmanesh M, Siadat SD. Expression of Recombinant Zonula Occludens Toxin (Zot) of Vibrio Cholerae and Biological Activity on Rabbit Ileal Loops. Arch Clin Infect Dis. 2011;6(4):. doi:
Abstract
Materials and Methods:
In this study, gene coding for the Zot toxin was amplified from V. cholera isolate 62013. The PCR product containing the Zot gene was cloned in pET28a expression vector .The recombinant Zot gene was transformed into E. coli (DH5 ?) and then retransformed into E. coli Tuner for expression. Expression of recombinant protein induced by isopropythio-?-D-galctoside (IPTG) at different concentration and was examined by SDS-PAGE and Western blotting. Rabbit ileal loops experiment was conducted.
Results:
Cloning of Zot was confirmed by colony-PCR and enzymatic digestion. The recombinant Zot with molecular weights of 45KDa and 22kDa was expressed and reacted with rabbit anti-Vibrio cholerae polyclonal antibody in western-blot analysis. Zot protein significantly causes fluid accumulation in ligated rabbit ileal loops test.
Conclusion:
Our findings indicated that a prokaryotic expression system for Zot protein was successfully constructed. This expression system can be useful as a tool for production of Zot protein for vaccine purposes.
Copyright
Ā© 2011, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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