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Table 2 Virulence of the lrp mutants in the mouse

From: Lrp, a global regulator, regulates the virulence of Vibrio vulnificus

Strain Description LD50 (cfu/mouse) Fold relative to YJ016
YJ016 Wild type 4.84 × 105 1
NY303 Spontaneous attenuated mutant 1.99 × 108 411
YH01 YJ016Δlrp 1.45 × 108 300
YH03 YH01(plrp) 3.72 × 105 0.77
YH06 YJ016 lrp* 5.46 × 106 11
NY303–2 YJ016 ΔvvhΔvpl 9.49 × 105 2
CH08 NY303–2 -lrp* 7.00 × 107 145
CS9133 Wild-type strain (biotype 1) 3.79 × 105 0.78
CH09 CS9133Δlrp 4.43 × 107 92
CECT4999 Wild-type strain (biotype 2) 2.50 × 105 0.52
CH10 CECT4999Δlrp 6.32 × 107 131
  1. The bacteria were injected subcutaneously into the mouse, and the mortality was recorded within 72 h