ribonucleoprotein particles

ribonucleoprotein particles

small stable RNA species found in the nucleus, cytoplasm and mitochondria with one or more protein subunits attached; implicated in a variety of functions including: RNA trimming, splicing, transport, translation control and protein export.
References in periodicals archive ?
The correct cytoplasmic localization of mRNAs and their transport and silencing in messenger ribonucleoprotein particles (mRNPs), is dependent on the earliest steps of mRNA processing in the nucleus.