A murine cytomegalovirus cell cycle regulator (m54.5p) evolved within the conserved viral DNA polymerase gene. - Zheng, Yan; Bertovic, Ivana; Han, Xiangming; Hennig, Thomas; Whisnant, Adam W.; Lamer, Stephanie; Schlosser, Andreas; Lisnic, Vanda Juranic; Kay-Fedorov, Penelope; Dölken, Lars; Lodha, Manivel (PLoS Pathogens, 2026)