Mutation of PEB4 alters the outer membrane protein profile of Campylobacter jejuni

Kimberly M. Rathbun, Stuart A. Thompson

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Campylobacter jejuni is a significant cause of human gastroenteritis worldwide. In an attempt to further define bacterial factors that influence infectivity, Cj0596 was identified as playing a role in C. jejuni virulence. Cj0596 is a periplasmic chaperone that is similar to proteins involved in outer membrane protein (OMP) folding in other bacteria. Mutation of cj0596 caused an alteration in the levels of eight OMPs, compared with wild-type bacteria. Replacement of the cj0596 mutation with the wild-type cj0596 gene restored a wild-type OMP profile. The altered OMP profile in the cj0596 mutant was accompanied by significant changes in several virulence properties, including an increase in the ability to autoagglutinate, increased susceptibility to several antimicrobial agents, and increased biofilm formation. In summary, mutation of cj0596 alters the C. jejuni OMP profile and leads to changes in OMP-related phenotypes involved in C. jejuni pathogenesis.

Original languageEnglish (US)
Pages (from-to)188-194
Number of pages7
JournalFEMS Microbiology Letters
Volume300
Issue number2
DOIs
StatePublished - Nov 1 2009

Fingerprint

Campylobacter jejuni
Membrane Proteins
Mutation
Virulence
Bacteria
Protein Folding
Gastroenteritis
Biofilms
Anti-Infective Agents
Phenotype
Genes
Proteins

Keywords

  • Campylobacter jejuni
  • Cj0596
  • PPIase

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology
  • Genetics

Cite this

Mutation of PEB4 alters the outer membrane protein profile of Campylobacter jejuni. / Rathbun, Kimberly M.; Thompson, Stuart A.

In: FEMS Microbiology Letters, Vol. 300, No. 2, 01.11.2009, p. 188-194.

Research output: Contribution to journalArticle

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