Correlation of T. bryosalmonae prevalence and T
marker genes in rainbow trout kidney. ( A ) CD4; ( B ) Tbet; ( C ) IL-2; ( D ) IFNγ; ( E ) GATA3; ( F ) IL-4/13A. Pearson correlation r coefficients are given relative to T. bryosalmonae RPL18 and kidney swelling (in parentheses). Significant correlations are shown in bold. *P < 0.05; **P < 0.01 (2-tailed).