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Toxoplasma Gondii Tyrosine-Rich Oocyst Wall Protein: A Closer Look Through an in Silico Prism Publisher Pubmed



Asghari A1 ; Majidiani H2 ; Nemati T3 ; Fatollahzadeh M3 ; Shams M2 ; Naserifar R2 ; Kordi B4
Authors
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Authors Affiliations
  1. 1. Department of Medical Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
  2. 2. Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran
  3. 3. Department of Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran

Source: BioMed Research International Published:2021


Abstract

Toxoplasmosis is a global threat with significant zoonotic concern. The present in silico study was aimed at determination of bioinformatics features and immunogenic epitopes of a tyrosine-rich oocyst wall protein (TrOWP) of Toxoplasma gondii. After retrieving the amino acid sequence from UniProt database, several parameters were predicted including antigenicity, allergenicity, solubility and physico-chemical features, signal peptide, transmembrane domain, and posttranslational modifications. Following secondary and tertiary structure prediction, the 3D model was refined, and immunogenic epitopes were forecasted. It was a 25.57 kDa hydrophilic molecule with 236 residues, a signal peptide, and significant antigenicity scores. Moreover, several linear and conformational B-cell epitopes were present. Also, potential mouse and human cytotoxic T-lymphocyte (CTL) and helper T-lymphocyte (HTL) epitopes were predicted in the sequence. The findings of the present in silico study are promising as they render beneficial characteristics of TrOWP to be included in future vaccination experiments. © 2021 Ali Asghari et al.
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