ART4 and bacterial infectious disease: Additionally, these phenotypes characterizing the early TFH differentiation of Ezh2fl/fl SM-Cre cells in response to LCMV infection were largely confirmed to be the same cells upon an acute intracellular bacterial infection with a recombinant L. monocytogenes strain that expressed the LCMV glycoprotein epitope I-AbGP61–80 (Supplementary Figure S3e–i).