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Surface proteome mining for identification of potential vaccine candidates against Campylobacter jejuni: an in silico approach.

Abstract：

:Campylobacter jejuni remains a major cause of human gastroenteritis with estimated annual incidence rate of 450 million infections worldwide. C. jejuni is a major burden to public health in both socioeconomically developing and industrialized nations. Virulence determinants involved in C. jejuni pathogenesis are multifactorial in nature and not yet fully understood. Despite the completion of the first C. jejuni genome project in 2000, there are currently no vaccines in the market against this pathogen. Traditional vaccinology approach is an arduous and time extensive task. Omics techniques coupled with sequencing data have engaged researcher's attention to reduce the time and resources applied in the process of vaccine development. Recently, there has been remarkable increase in development of in silico analysis tools for efficiently mining biological information obscured in the genome. In silico approaches have been crucial for combating infectious diseases by accelerating the pace of vaccine development. This study employed a range of bioinformatics approaches for proteome scale identification of peptide vaccine candidates. Whole proteome of C. jejuni was investigated for varied properties like antigenicity, allergenicity, major histocompatibility class (MHC)-peptide interaction, immune cell processivity, HLA distribution, conservancy, and population coverage. Predicted epitopes were further tested for binding in MHC groove using computational docking studies. The predicted epitopes were conserved; covered more than 80 % of the world population and were presented by MHC-I supertypes. We conclude by underscoring that the epitopes predicted are believed to expedite the development of successful vaccines to control or prevent C. jejuni infections albeit the results need to be experimentally validated.

journal_name

Funct Integr Genomics

journal_title

Functional & integrative genomics

authors

Mehla K,Ramana J

doi

10.1007/s10142-016-0530-z

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

27-37

issue

eissn

1438-793X

issn

1438-7948

pii

10.1007/s10142-016-0530-z

journal_volume

pub_type

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Surface proteome mining for identification of potential vaccine candidates against Campylobacter jejuni: an in silico approach.