Figure 3From: Brucella suis urease encoded by ure 1 but not ure 2 is necessary for intestinal infection of BALB/c miceUrease test broth 24 hours after inoculation with B. suis strains. Tube-1: strain 1330 (positive), 2: 1330Δure 1K (negative), and 3: 1330Δure2 K (positive).Back to article page