Sep 2026
A noncontiguous code for RNA-guided DNA recognition at the origin of CRISPR-Cas.
The discovery of Viral Interference Programmable Repeat systems consisting of a Vipr protein ancestral to the earliest CRISPR-Cas effectors and VIPR RNAs (vrRNAs) comprising alternating GGY/NN motifs suggests that adaptive immunity originated from ancient warfare between viruses.
Peter H. Yoon, Kenneth J. Loi, Z. Zhang et al.
· Science · 2 citations