Skip to main content

Table 2 Survival of SC-19 and ΔperR in different organs in mice

From: A Fur-like protein PerR regulates two oxidative stress response related operons dpr and metQIN in Streptococcus suis

Source Strain Bacteria recovered from blood and tissues (×105 CFU)a
4 dpi 7 dpib 11 dpib
Blood SC-19 4.49 ± 3.24 2.37 ± 1.71 0.44 ± 0.04
  Δ perR 4.10 ± 2.41 0.09 ± 0.05 0
Lung SC-19 4.22 ± 1.45 1.48 ± 0.11 1.03 ± 1.59
  Δ perR 1.66 ± 1.11 0.07 ± 0.04 0
Brain SC-19 5.07 ± 3.07 1.42 ± 0.20 1.62 ± 1.33
  Δ perR 3.84 ± 2.96 0.13 ± 0.12 0.01 ± 0.01
Spleen SC-19 0.15 ± 0.09 0.35 ± 0.11 0.03 ± 0.02
  Δ perR 0.22 ± 0.22 0.04 ± 0.04 0
  1. a Mean ± standard deviation of 4 independent experiments. Date is expressed as CFU/ml blood, or CFU per tissue.
  2. bP<0.05 for comparison of SC-19 versus ΔperR CFU at 7 and 11 dpi (student’s t-test).