Cited by 89Salmonella and Campylobacter epidemiologyBacterial Genetics and BiotechnologyMicrobial infections and disease research

Role of Campylobacter jejuni Respiratory Oxidases and Reductases in Host Colonization

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Weingarten, Rebecca A., Grimes, Jesse L., Olson, Jonathan W.·2008·Applied and Environmental Microbiology

Abstract

Campylobacter jejuni is the leading cause of human food-borne bacterial gastroenteritis. The C. jejuni genome sequence predicts a branched electron transport chain capable of utilizing multiple electron acceptors. Mutants were constructed by disrupting the coding regions of the respiratory enzymes nitrate reductase ( napA ::Cm), nitrite reductase ( nrfA ::Cm), dimethyl sulfoxide, and trimethylamine N -oxide reductase (termed Cj0264::Cm) and the two terminal oxidases, a cyanide-insensitive oxidase ( cydA ::Cm) and cbb3 -type oxidase ( ccoN ::Cm). Each strain was characterized for the loss of the associated enzymatic function in vitro. The strains were then inoculated into 1-week-old chicks, and the cecal contents were assayed for the presence of C. jejuni 2 weeks postinoculation. cydA ::Cm and Cj0264c::Cm strains colonized as well as the wild type; napA ::Cm and nrfA ::Cm strains colonized at levels significantly lower than the wild type. The ccoN ::Cm strain was unable to colonize the chicken; no colonies were recovered at the end of the experiment. While there appears to be a role for anaerobic respiration in host colonization, oxygen is the most important respiratory acceptor for C. jejuni in the chicken cecum.

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Crossref · 10.1128/aem.02261-07

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  • Nitrate reduction is an important pathway for Campylobacter during host colonization.

    “It has recently been demonstrated that nitrate reduction is an important pathway for Campylobacter during host colonization.”

    From Nitrate and periplasmic nitrate reductases (2014) · cites this paper as [73]

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Authors
Weingarten, R. A., Grimes, J. L., & Olson, J. W.
Affiliations
North Carolina State University (US)
Corresponding author
Olson, Jonathan W.
Venue
Applied and Environmental Microbiology
Published
2008-03
Volume
74
Issue
5
Pages
1367-1375
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W2135878201
Cited by
89
References
47
Citations by year
2026: 3 · 2025: 2 · 2024: 3 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 2 · 2019: 6 · 2018: 5 · 2017: 7 · 2016: 5 · 2015: 4 · 2014: 7 · 2013: 11 · 2012: 5
FWCI
11.72
Type
journal article
Language
en
Open access
Locations
  • Applied and Environmental Microbiology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Agriculture
  • Agence Nationale pour le Développement de la Recherche Universitaire
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Salmonella and Campylobacter epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
Keywords
Campylobacter jejuni, host colonization, nitrate reductase, nitrite reductase, dimethyl sulfoxide reductase, trimethylamine N-oxide reductase, anaerobic respiration, chicken cecum, foodborne gastroenteritis
MeSH terms
Animals, Cecum, Chickens, Nitrates, Oxidoreductases, Oxygen, Species Specificity, Mass Spectrometry, Colony Count, Microbial, Campylobacter jejuni, Mutagenesis, DNA Primers, Gene Components

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