TABLE 3.

Populations of mutants in the murine gut 7 days after inoculation

Mutant strainForestomach Lactobacillus populationa% EmrbJejunum Lactobacillus population% EmrCecum Lactobacillus population% Emr
msrB 8.9 (0.1)114.9 (2.6)7.4 (0.5)96.2 (9.6)7.1 (0.6)103.4 (6.4)
xylA 8.3 (0.4)92.9 (6.8)6.2 (0.7)109.1 (12.1)7.8 (0.6)92.0 (7.2)
met 8.7 (0.2)78.9 (20.1)7.2 (0.2)73.8 (11.1)8.2 (0.2)94.7 (15.2)
lsp 8.0 (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.