CRISPR-Cas12a is a programmable RNA-guided endonuclease whose activation by double-stranded DNA normally depends on the recognition of an adjacent protospacer-adjacent motif (PAM), which constrains target selection in diagnostic applications. Here, we divide the DNA activator into PAM-proximal (Pp) and PAM-distal (Pd)...
G. Lamothe, Félix Veillette, I. Iwe et al.· Analytical Chemistry· 0 citations
RAPID (RNA/DNA Advanced chimeric, PAM-independent, Integrated Nicking, Diagnostics), a nick-tuned, PAM-duplex-mediated platform for PAM-independent RNA and DNA detection and applies it to detect single-point mutations in ssDNA and RNA substrates, a challenge for traditional Cas12 and Cas13 systems.
I. Iwe, Frank X. Liu, A. Corsano et al.· Nucleic Acids Research· 0 citations
It is shown that short RNAs can directly occupy the canonical crRNA-binding channel and trigger a catalytically competent trans cleavage state in the absence of PAM recognition or canonical R-loop formation.
I. Iwe, S. Singh, K. Guan et al.· medRxiv· 0 citations
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