Luminal <i>S.</i> Tm are gentamicin-protected.

<p>Gentamicin-protection assay of gut luminal <i>S.</i> Tm. Streptomycin-treated mice (n = 9) were infected with <i>S.</i> Tm^wt. 20h post infection, the mice were sacrificed and cecum contents collected in PBS and split into 4 fractions (untreated; treated with triton-X-100 (0.1%) for 30 minutes; treated with gentamicin (400 µg /ml) for 30 minutes; or treated with triton-X-100 (0.1%) and gentamicin (400 µg/ml) for 30 minutes). Samples were diluted and plated on McConkey agar plates (100 µg/ml streptomycin), allowing specific detection of <i>S.</i> Tm. Bars show mean and StD of <i>S.</i> Tm^wt CFU/ml; xxx = p < 0.0001.