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. 2005 Dec;187(23):7901–7911. doi: 10.1128/JB.187.23.7901-7911.2005

TABLE 4.

Virulence properties in BALB/c mice of serovar Typhimurium dam mutants cured of prophages or with a defect in excision

Strain 1a Strain 2a Competition indexb
Liver Spleen
dam Wild type 0.0012 ± 0.001 0.0009 ± 0.0002
dam Δ[Gifsy-1, Gifsy-2, SopEΦ, ST64B] dam 0.059 ± 0.013 0.027 ± 0.0003
dam Δ[Gifsy-1, Gifsy-2, SopEΦ, ST64B] sodC1+gtgE+ dam 0.97 ± 0.15 1.09 ± 0.54
dam [ST64B Δxis] dam 1.79 ± 0.48 1.17 ± 0.46
a

All these strains are isogenic to wild-type strain SL1344 (see Table 1 for details).

b

Values were calculated upon intraperitoneal challenge of three BALB/C mice per mixed infection. Organ homogenates were prepared at 48 to 72 hours postinfection.