Fig. 2
From: Knockout of alanine racemase gene attenuates the pathogenicity of Aeromonas hydrophila
Bacterial survival in macrophages and in mouse blood. Percentage of CFUs following 1 h of incubation with mouse macrophages (a). Percentage of CFUs following 1 h of incubation with fish head-kidney macrophages (b). Percentage of CFUs following 1 h of incubation at 37 °C with heparinized mouse blood (c). The experiments were performed three times independently. **P < 0.01; NS: not significant