Many viruses, including that perennial winter affliction, the influenza virus, are protected by a lipid membrane on loan from the host cell. The fusion proteins on the surface of the membrane are ...

Until recently, the maturation of the 3′-end of tRNA precursors in Bacteria has been assumed to follow the E. coli paradigm, in which a cleavage event downstream of tRNAs is followed by exonucleolytic ...