... RNA stability, despite imperfect sequence homology [69,70] Basically, the miRNA genes are transcribed by RNA polymerase II into primary(pri)-miRNA, which are cleaved by a nuclear RNAse III, coined ... However, during the course of this study, we observed that a cellular miRNA, namely the miR-32, efficiently inhibits the replication of PFV-1 by hybridizing with the 3'UTR of viral mRNAs The anti-viral ... biogenesis and action miRNA miRNA biogenesis and action Long primary transcripts (pri-miRNAs) containing one or several miRNAs are transcribed by RNA polymerase II and cleaved by the Microprocessor...