<p>Tongue sole were infected with <i>Pseudomonas fluorescens</i> (A and B), megalocytivirus (C and D), or PBS (control), and <i>CsBPI</i> expression in kidney (A and C) and spleen (B and D) was determined by quantitative real time RT-PCR at various time points. For convenience of comparison, the expression level of the control fish was set as 1. Values are shown as means ± SEM (N = 3). N, the number of times the experiment was performed. **<i>P</i> < 0.01.</p
