Abstract
3′ to 5′ RNA degradation is primarily catalyzed by the RNA exosome subunits Dis3 and Rrp6 in the nucleus of Saccharomyces cerevisiae. These enzymes form a complex with the nine-subunit noncatalytic core (Exo9) to carry out their functions in vivo. Protein cofactors Rrp47, Mpp6, and the Mtr4 RNA helicase also assist the complex by modulating its activities and/or recruiting it to specific RNAs for processing or degradation. Here we present our preferred strategy for reconstituting RNA exosomes from S. cerevisiae using purified, recombinantly expressed components.
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Acknowledgments
This work was supported in part by GM065872 and GM118080 (NIH/NIGMS, C.D.L) and P30CA008748 (NIH/National Cancer Institute). The content is the authors’ responsibility and does not represent the official views of the NIH. C.D.L is a Howard Hughes Medical Institute Investigator.
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Zinder, J.C., Lima, C.D. (2020). Reconstitution of S. cerevisiae RNA Exosome Complexes Using Recombinantly Expressed Proteins. In: LaCava, J., Vaňáčová, Š. (eds) The Eukaryotic RNA Exosome. Methods in Molecular Biology, vol 2062. Humana, New York, NY. https://doi.org/10.1007/978-1-4939-9822-7_21
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DOI: https://doi.org/10.1007/978-1-4939-9822-7_21
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