The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Regulation of Salmonella typhimurium virulence gene expression by cationic antimicrobial peptides
Open accessAbstract
Summary: Cationic antimicrobial peptides (CAMP) represent a conserved and highly effective component of innate immunity. During infection, the Gram‐negative pathogen Salmonella typhimurium induces different mechanisms of CAMP resistance that promote pathogenesis in animals. This study shows that exposure of S. typhimurium to sublethal concentrations of CAMP activates the PhoP/PhoQ and RpoS virulence regulons, while repressing the transcription of genes required for flagella synthesis and the invasion‐associated type III secretion system. We further demonstrate that growth of S. typhimurium in low doses of the α‐helical peptide C18G induces resistance to CAMP of different structural classes. Inducible resistance depends on the presence of PhoP, indicating that the PhoP/PhoQ system can sense sublethal concentrations of cationic antimicrobial peptides. Growth of S. typhimurium in the presence of CAMP also leads to RpoS‐dependent protection against hydrogen peroxide. Because bacterial resistance to oxidative stress and CAMP are induced during infection of animals, CAMP may be an important signal recognized by bacteria on colonization of animal tissues.
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Citations
Cites
A N EW A PPROACH TO D ECODING L IFE : Systems Biology
Ideker, T., Galitski, T., & Hood, L. (2001) · Annual Review of Genomics and Human Genetics · doi:10.1146/annurev.genom.2.1.343 · Cited by 1,664
Cited by
Molecular Basis of Bacterial Outer Membrane Permeability Revisited
Nikaido, H. (2003) · Microbiology and Molecular Biology Reviews · doi:10.1128/mmbr.67.4.593-656.2003 · Cited by 4,316
Self-citationMicrobiological effects of sublethal levels of antibiotics
Andersson, D. I., & Hughes, D. (2014) · Nature Reviews Microbiology · doi:10.1038/nrmicro3270 · Cited by 1,757
Mammalian defensins in the antimicrobial immune response
Selsted, M. E., & Ouellette, A. J. (2005) · Nature Immunology · doi:10.1038/ni1206 · Cited by 1,203
Salmonellae interplay with host cells
Haraga, A., Ohlson, M. B., & Miller, S. I. (2008) · Nature Reviews Microbiology · doi:10.1038/nrmicro1788 · Cited by 832
Self-citationLiévin-Le Moal, V., & Servin, A. L. (2006) · Clinical Microbiology Reviews · doi:10.1128/cmr.19.2.315-337.2006 · Cited by 568
Metadata
- Authors
- Bader, M. W., Navarre, W. W., Shiau, W., Nikaido, H., Frye, J. G., McClelland, M., Fang, F. C., & Miller, S. I.
- Venue
- Molecular Microbiology
- Publisher
- Wiley
- Published
- 2003-08-20
- Volume
- 50
- Issue
- 1
- Pages
- 219-230
- ISSN
- 0950-382X (ISSN-L)
- 1365-2958
- OpenAlex
- W1896469456
- Cited by
- 260
- References
- 1
- FWCI
- 9.88
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Bader, M. W., Navarre, W. W., Shiau, W., Nikaido, H., Frye, J. G., McClelland, M., Fang, F. C., & Miller, S. I. (2003). Regulation of Salmonella typhimurium virulence gene expression by cationic antimicrobial peptides. Molecular Microbiology. https://doi.org/10.1046/j.1365-2958.2003.03675.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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