Viability and virulence of experimentally stressed nonculturable Salmonella typhimurium.

Appl Environ Microbiol

Laboratoire Hydrobiologie, UMR CNRS-Université Montpellier II No. 5556, Université Montpellier II, F-34095 Montpellier cedex 5, France.

Published: July 1999

Maintenance of pathogenicity of viable but nonculturable Salmonella typhimurium cells experimentally stressed with UV-C and seawater, was investigated relative to the viability level of the cellular population. Pathogenicity, tested in a mouse model, was lost concomitantly with culturability, whereas cell viability remained undamaged, as determined by respiratory activity and cytoplasmic membrane and genomic integrities.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC91479PMC
http://dx.doi.org/10.1128/AEM.65.7.3229-3232.1999DOI Listing

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