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Biochem Soc Trans. 2005 Jun;33(Pt 3):433-8.

Lsm proteins and RNA processing.

Author information

  • Wellcome Trust Centre for Cell Biology, School of Biological Sciences, University of Edinburgh, King's Buildings, Mayfield Road, Edinburgh EH9 3JR, U.K. jbeggs@ed.ac.uk

Abstract

Sm and Lsm proteins are ubiquitous in eukaryotes and form complexes that interact with RNAs involved in almost every cellular process. My laboratory has studied the Lsm proteins in the yeast Saccharomyces cerevisiae, identifying in the nucleus and cytoplasm distinct complexes that affect pre-mRNA splicing and degradation, small nucleolar RNA, tRNA processing, rRNA processing and mRNA degradation. These activities suggest RNA chaperone-like roles for Lsm proteins, affecting RNA-RNA and/or RNA-protein interactions. This article reviews the properties of the Sm and Lsm proteins and structurally and functionally related proteins in archaea and eubacteria.

PMID:
15916535
[PubMed - indexed for MEDLINE]
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