In the presence of a short DNA oligonucleotide containing a protospacer adjacent motif, a guide-RNA-programmed Cas9 is able to specifically bind and/or cleave single-stranded RNA—this system can be used to isolate specific endogenous RNA transcripts from a cell lysate without any tag or modification.
- Mitchell R. O’Connell
- Benjamin L. Oakes
- Jennifer A. Doudna