Keywordsquality control; transcription; RNA decay; RNA editing; nuclear retention; HIV-1 unspliced mRNA; mRNA decay; REV; UPF1; Staufen; m6A; YTHDF2; picornavirus; Picornaviridae; poliovirus; coxsackievirus; human rhinovirus; RNA degradation; mRNA decay; RNA stability; RNase L; deadenylase; mRNA decay; positive strand RNA viruses; virus–host interactions; RNA decay; RNA-protein interactions; decapping; Xrn1; exosome; TRAMP; exonuclease; RNAse; intrinsic immunity; antiviral; RNA quality control; gene expression; translation; RNA-protein interactions; Rous sarcoma virus; RNA stability element; nonsense mediated decay; long 3′UTR; deadenylation; decapping