In vitro RNA Cleavage Assay for Argonaute-Family Proteins
- 1 January 2008
- book chapter
- Published by Springer Nature
- Vol. 442, 29-43
- https://doi.org/10.1007/978-1-59745-191-8_3
Abstract
Recent studies have revealed that Argonaute proteins are crucial components of the RNA-induced silencing complexes (RISCs) that direct both small interfering RNA (siRNA)- and microRNA (miRNA)-mediated gene silencing. Full complementarity between the small RNA and its target messenger RNA (mRNA) results in RISC-mediated cleavage (“Slicing”) of the target mRNA. A subset of Argonaute proteins directly contributes to the target cleavage (“Slicer”) activity of the RISC. We describe (in vitro) Slicer assays using endogenous Argonaute protein immunopurified from animal cells and recombinant Argonaute protein produced in and purified from Escherichia coli.Keywords
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