TABLE 3.

Populations of mutants in the murine gut 7 days after inoculation

Mutant strainForestomach Lactobacillus populationa% EmrbJejunum Lactobacillus population% EmrCecum Lactobacillus population% Emr
msrB8.9 (0.1)114.9 (2.6)7.4 (0.5)96.2 (9.6)7.1 (0.6)103.4 (6.4)
xylA8.3 (0.4)92.9 (6.8)6.2 (0.7)109.1 (12.1)7.8 (0.6)92.0 (7.2)
met8.7 (0.2)78.9 (20.1)7.2 (0.2)73.8 (11.1)8.2 (0.2)94.7 (15.2)
lsp8.0 (0.4)67.2 (5.3)6.5 (0.7)78.9 (4.4)7.2 (0.5)89.2 (8.3)
  • a Expressed as mean (three mice) log10 CFU/gram of organ; standard error of the mean in parentheses.

  • b Mean percentage of colonies recovered on media containing erythromycin; standard error of the mean in parentheses.