Figure 5From: GtxA is a virulence factor that promotes a Th2-like response during Gallibacterium anatis infection in laying hensChanges of the cytokine mRNA expression levels in the spleen. Cytokine mRNA was isolated from culture positive spleen tissue at 2 days pi (A) and 6 days pi. (B). Error bars are S.E. for each treatment group (*P < 0.05, **P < 0.01) between WT (white bars) and ΔgtxA mutant groups (black bars).Back to article page