RNAi depletion of exosomal subunits causes accumulation of oligocistronic mRNAs.
RNAi depletion of the 5′-3′ exoribonuclease XRNA or UPF1 has no effect on oligocistronic mRNAs.
eYFP fusions of the exosome subunits RRP44 and RRP6 localize to the nucleus.