ISSN: 0973-7510

E-ISSN: 2581-690X

Research Article | Open Access
Ranya Mohmed Sid Ahmed1,2, Yassir A. Almofti1 and Khoubieb Ali Abd-elrahman3
1Department of Molecular Biology and Bioinformatics, College of Veterinary Medicine, University Bahri, Khartoum, Sudan.
2Department of Food Hygiene and Safety, Faculty of Public and environmental Health, University of Khartoum, Sudan.
3Department of Pharmaceutical Technology, College of Pharmacy, University of Medical Science and Technology (MUST) Khartoum, Sudan.
Article Number: 7773 | © The Author(s). 2022
J Pure Appl Microbiol. 2022;16(3):2083-2098. https://doi.org/10.22207/JPAM.16.3.63
Received: 20 April 2022 | Accepted: 25 July 2022 | Published online: 27 August 2022
Issue online: September 2022
Abstract

Foot-and-mouth disease virus (FMDV) is small RNA virus from Picornaviridae family; genus Aphthovirus. FMDV causes maximum levels of infectivity in cattle and harmful socioeconomic effects. The present report attempted to design vaccine candidate from the polyprotein of FMDV to stimulate protective immune response. The IEDB server was used to predict B and T cells epitopes that were linked via GPGPG and YAA linkers, respectively. Mycobacterium tuberculosis 50S ribosomal protein was exploited as an adjuvant and a six histidine-tag sequence was linked to the carboxyl end of the vaccine for purification and identification. The predicted vaccine comprised 313aa and was antigenic and not allergic. Moreover, the vaccine was acidic and showed stability and hydrophilicity. Vaccine secondary and tertiary structures were predicted. The tertiary structure was refined to ameliorate the quality of the global and local structures of the vaccine. Vaccine model validation was performed and the final quality score of the structural model was computed. The validated model was used for molecular docking with bovine (N*01801-BoLA-A11) allele. Docking process in terms of binding free energy score was significant. Vaccine solubility was investigated based on the protein of E. coli and the stability was based on the disulfide bonding to lessen the entropic and mobile points in vaccine. Lastly, the in silico cloning ensured the proper cloning and best translation of the DNA of vaccine in molecular vectors.

Keywords

FMDV, FMD, B lymphocyte Cells, T lymphocyte Cells, Peptide Vaccine

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