Endogenous viral elements trace the ancient origins and early evolution of the Caulimoviridae. - Vassilieff, Héléna; Serfraz, Saad; Choisne, Nathalie; Geering, Andrew D. W.; Lefeuvre, Pierre; Teycheney, Pierre-Yves; Maumus, Florian (PLoS Pathogens, 2026)