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Using Yeast Genetics to Study Splicing Mechanisms

Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1126)

Abstract

Pre-mRNA splicing is a critical step in eukaryotic gene expression, which involves removal of noncoding intron sequences from pre-mRNA and ligation of the remaining exon sequences to make a mature message. Splicing is carried out by a large ribonucleoprotein complex called the spliceosome. Since the first description of the pre-mRNA splicing reaction in the 1970s, elegant genetic and biochemical studies have revealed that the enzyme that catalyzes the reaction, the spliceosome, is an exquisitely dynamic macromolecular machine, and its RNA and protein components undergo highly ordered, tightly coordinated rearrangements in order to carry out intron recognition and splicing catalysis. Studies using the genetically tractable unicellular eukaryote budding yeast (Saccharomyces cerevisiae) have played an instrumental role in deciphering splicing mechanisms. In this chapter, we discuss how yeast genetics has been used to deepen our understanding of the mechanism of splicing and explore the potential for future mechanistic insights using S. cerevisiae as an experimental tool.

Key words

Pre-mRNA Splicing Saccharomyces cerevisiae Yeast genetics Synthetic lethality Temperature-sensitive (ts) screening Suppressor screening DExD/H-box protein SGA analysis E-MAP 

Notes

Acknowledgments

We would like to thank Drs. Kristin Patrick (UCSF) and Lorraine Pillus (UCSD) for critical reading of the manuscript. Funding was provided by the National Institutes of General Medical Sciences (GM085764) and the National Science Foundation (MCB-1051921).

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Copyright information

© Springer Science+Business Media, LLC 2014

Authors and Affiliations

  1. 1.Molecular Biology Section, Division of Biological SciencesUniversity of California, San DiegoLa JollaUSA
  2. 2.Department of Molecular, Cell and Developmental BiologyUniversity of California, Los AngelesLos AngelesUSA

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