A natural single-guide RNA repurposes Cas9 to autoregulate CRISPR-Cas expression
R. E. Workman, T. Pammi, B. T. K. Nguyen, L. W. Graeff, E. Smith, S. M. Sebald, M. J. Stoltzfus, J. W. Modell
The paper shows that a long-form tracrRNA acts as a natural single guide to repress Cas9 expression, revealing a regulatory mechanism in CRISPR-Cas systems.
bioRxiv · May 21, 2020Microbiology