Archaeal/eukaryal RNase P: subunits, functions and RNA diversification.
Archaeal/eukaryal RNase P: subunits, functions and RNA diversification.
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DOI:
10.1093/nar/gkq701
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发表时间:
2010-12
影响因子:
14.9
通讯作者:
Gopalan V
中科院分区:
文献类型:
--
作者:
Jarrous N;Gopalan V
RNase P, a catalytic ribonucleoprotein (RNP), is best known for its role in precursor tRNA processing. Recent discoveries have revealed that eukaryal RNase P is also required for transcription and processing of select non-coding RNAs, thus enmeshing RNase P in an intricate network of machineries required for gene expression. Moreover, the RNase P RNA seems to have been subject to gene duplication, selection and divergence to generate two new catalytic RNPs, RNase MRP and MRP-TERT, which perform novel functions encompassing cell cycle control and stem cell biology. We present new evidence and perspectives on the functional diversification of the RNase P RNA to highlight it as a paradigm for the evolutionary plasticity that underlies the extant broad repertoire of catalytic and unexpected regulatory roles played by RNA-driven RNPs.
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