A fungal RNA-dependent RNA polymerase is a novel player in plant infection and cross-kingdom RNA interference. - Cheng, An-Po; Lederer, Bernhard; Oberkofler, Lorenz; Huang, Lihong; Johnson, Nathan R.; Platten, Fabian; Dunker, Florian; Tisserant, Constance; Weiberg, Arne (PLoS Pathogens, 2023)