Salmonella typhimurium virulence in a burned-mouse model
- PMID: 2668190
- PMCID: PMC313536
- DOI: 10.1128/iai.57.9.2842-2846.1989
Salmonella typhimurium virulence in a burned-mouse model
Abstract
Various features of salmonellosis were examined in a burned-mouse model. In this model, which uses an outbred mouse strain, a challenge dose of ca. 100 CFU with any of several strains of Salmonella typhimurium caused a fatal infection. A variety of mutated strains attenuated for virulence in Salmonella-susceptible parenterally infected mice were also attenuated in the burned-mouse model. When administered as live vaccines injected intraperitoneally the same attenuated strains provided between slight and complete protection against subsequent lethal challenge subcutaneously at the site of a burn. The correspondence of results obtained in the burned-mouse model with those seen in other mouse models coupled with the unique advantages of the burned-mouse model argue for the usefulness of the model in studies of salmonellosis and in testing of strains constructed for use as live vaccines.
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