The RNA pseudoknots in foot-and-mouth disease virus are dispensable for genome replication, but essential for the production of infectious virus. - Ward JC; Lasecka-Dykes L; Neil C; Adeyemi OO; Gold S; McLean-Pell N; Wright C; Herod MR; Kealy D; Warner E; Jackson T; King DP; et al. (PLoS pathogens, 2022)