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Adv Exp Med Biol. 2007;623:14-35.

Spliceosome assembly and composition.

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1
Howard Hughes Medical Institute, Department of Biochemistry, Brandeis University, Waltham, MA 02454, USA.

Abstract

Cells control alternative splicing by modulating assembly of the pre-mRNA splicing machinery at competing splice sites. Therefore, a working knowledge of spliceosome assembly is essential for understanding how alternative splice site choices are achieved. In this chapter, we review spliceosome assembly with particular emphasis on the known steps and factors subject to regulation during alternative splice site selection in mammalian cells. We also review recent advances regarding similarities and differences between the in vivo and in vitro assembly pathways, as well as proofreading mechanisms contributing to the fidelity of splice site selection.

PMID:
18380338
[Indexed for MEDLINE]
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