Transcriptional analysis of selected genes at different stages of the enzootic cycle.

<p>qRT-PCR was performed with RNA isolated from strain B31-A3-infected ticks and mouse joints as described in Methods. Statistical analysis was determined by Kruskal-Wallis multiple comparison Z- value test; * significant difference (<i>P</i>≤.05) between samples. Error bars indicate standard error of the mean (SEM).