Synthesis and Labeling of RNA In Vitro

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Abstract
This unit discusses several methods for generating large amounts of uniformly labeled, end‐labeled, and site‐specifically labeled RNAs in vitro. The methods involve a number of experimental procedures, including RNA transcription, 5′ dephosphorylation and rephosphorylation, 3′ terminal nucleotide addition (via ligation), site‐specific RNase H cleavage directed by 2′‐O‐methyl RNA‐DNA chimeras, and 2‐piece splint ligation. The applications of these RNA radiolabeling approaches are also discussed. Curr. Protoc. Mol. Biol. 102:4.15.1–4.15.14. © 2013 by John Wiley & Sons, Inc.