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Ubiquitin and assembly of export competent mRNP

Babour, Anna
Dargemont, Catherine
Published in Biochimica et Biophysica Acta. 2012, vol. 1819, no. 6, p. 521-530
Abstract The production of mature and export competent mRNP (mRNA ribonucleoprotein) complexes depends on a series of highly coordinated processing reactions. RNA polymerase II (RNAPII) plays a central role in this process by mediating the sequential recruitment of mRNA maturation and export factors to transcribing genes, thereby establishing a strong functional link between transcription and export through nuclear pore complexes (NPC). Growing evidence indicates that post-translational modifications participate in the dynamic association of processing and export factors with mRNAs ensuring that the transitions and rearrangements undergone by the mRNP occur at the right time and place. This review mainly focuses on the role of ubiquitin conjugation in controlling mRNP assembly and quality control from transcription down to export through the NPC. It emphasizes the central role of ubiquitylation in organizing the chronology of events along this highly dynamic pathway. This article is part of a Special Issue entitled: Nuclear Transport and RNA Processing.
PMID: 22240387
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BABOUR, Anna, DARGEMONT, Catherine, STUTZ, Françoise. Ubiquitin and assembly of export competent mRNP. In: Biochimica et Biophysica Acta, 2012, vol. 1819, n° 6, p. 521-530. doi: 10.1016/j.bbagrm.2011.12.006 https://archive-ouverte.unige.ch/unige:19418

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Deposited on : 2012-04-17

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