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Conserved OprF as a Selective Immunogen against Pseudomonas aeruginosa

Ehsan Kazemi Moghaddam1, Parviz Owlia2, Abolfazl Jahangiri3

  • 1Dept. of Microbiology, Faculty of Medicine, Shahed University, Tehran, Iran.

Iranian Journal of Pathology
|March 9, 2018
PubMed
Abstract

Insights

Outer membrane protein F (OprF) from Pseudomonas aeruginosa is conserved across clinical and environmental strains. This finding supports OprF as a potential vaccine candidate against P. aeruginosa infections.

Area of Science:

  • Microbiology
  • Immunology
  • Bioinformatics

Background:

  • Pseudomonas aeruginosa is a significant cause of severe inpatient infections with high mortality rates.
  • There is a growing need for effective vaccines against P. aeruginosa.

Purpose of the Study:

  • To investigate the conservation of outer membrane protein F (OprF) in Pseudomonas aeruginosa.
  • To evaluate OprF as a potential vaccine candidate.

Main Methods:

  • Retrieved OprF protein sequences for P. aeruginosa from the NCBI database.
  • Analyzed 150 reference, clinical, and environmental P. aeruginosa strains using bioinformatic tools.
  • Utilized T-COFFEE and PRALINE software for sequence alignment.

Main Results:

  • OprF was found to be conserved across all 150 analyzed P. aeruginosa strains.
  • 134 strains were clinical isolates, with the remainder from environmental samples.
  • The protein exhibited favorable antigenicity and hydropathicity profiles.

Conclusions:

  • The high conservation of OprF in pathogenic and environmental strains suggests its potential as a broad-spectrum immunogen.
  • Further experimental validation is required to confirm the protective efficacy of OprF.
Keywords:
OprF ProteinPseudomonas aeruginosaVaccine

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