“…For instance, satellite dsRNAs associated with mycoviruses in the family Totiviridae encode toxins, which are secreted from ‘killer’ yeasts that harbour these dsRNA elements and kill ‘sensitive’ yeasts that do not. The killer yeast system was discovered for the first time in Saccharomyces cerevisiae , a yeast of biotechnological importance in baking, brewing and wine-making, offers an advantage to the host in competition for nutrients ( Baeza et al, 2008 ; Crabtree et al, 2023 ).…”