The identification of synthetic peptide vaccine candidate against SARS-CoV-2/COVID-19through reverse vaccinology approach

Authors

  • S. Pushkala
  • Sudha Seshayyan
  • Tammanna Bhajantri

DOI:

https://doi.org/10.51248/.v41i2.1041

Keywords:

Reverse vaccinology, synthetic peptide vaccine, SARS-CoV-2, COVID-19, epitope

Abstract

Introduction and Aim:In emerging respiratory disease pathogens, the Corona viruses have become the main pathogens of respiratory viral disease outbreaks.SARS-Cov-2 is a new virus that has been identified in human and this very contagious novel corona virus has spread globally within the short period of time. The biological concept ofthe synthetic peptide vaccine is based on the induction of immune cells response depends on the immune cell receptor specificity to verify a presented peptide epitope. The identification of these epitopes by experimental procedures are expensive and time- consuming. Therefore,the approach of reverse vaccinology came into view. The approach of reverse vaccinology involves molecular docking, prediction of epitope tools, and desired immunogenic peptides analysis of population coverage in terms of design.The primary goal of this present study is to identify the antigenic determinant which might be a potent candidate vaccine against SARS-CoV-2.

 

Materials and Methods:The whole genome sequence of a contagious strain of SARS-CoV-2 retrieved from genomic database. The whole genome screenedto identify the protein sequence which is antigenic, and the antigen determinant peptide predicted with different databases and Accessible Surface Area (ASA) calculation. The selection of peptide depends on the prediction of identified epitope carried out according to their predictive scores by almost all bioinformatic tools.

 

Results:The identified antigenic determinant predicted to bind with MHC class I molecule using MHC binding prediction tools. In this study, the identified epitope is the best peptide having greater ASA value and binding with MHC class I molecule.

 

Conclusion:As this peptide is immunogenic epitope it might be a potent candidate vaccine against COVID-19 or SARS-CoV-2 virus. 

Author Biographies

S. Pushkala

Department of Immunology,  The Tamil Nadu Dr MGR Medical University,69, Anna SalaiRoad, Guindy, Chennai,600032, Tamil Nadu, India

Sudha Seshayyan

The Vice Chancellor, The Tamil Nadu Dr MGR Medical University,69, Anna SalaiRoad, Guindy, Chennai,600032, Tamil Nadu, India

Tammanna Bhajantri

Department of Immunology, The Tamil Nadu Dr MGR Medical University,69, Anna SalaiRoad, Guindy, Chennai,600032, Tamil Nadu, India

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Published

2021-09-07

How to Cite

1.
Pushkala S, Seshayyan S, Bhajantri T. The identification of synthetic peptide vaccine candidate against SARS-CoV-2/COVID-19through reverse vaccinology approach. Biomedicine [Internet]. 2021Sep.7 [cited 2021Sep.22];41(2):375-81. Available from: https://biomedicineonline.org/index.php/home/article/view/1041