Nature Communications (Apr 2022)

Reprogrammed tracrRNAs enable repurposing of RNAs as crRNAs and sequence-specific RNA biosensors

  • Yang Liu,
  • Filipe Pinto,
  • Xinyi Wan,
  • Zhugen Yang,
  • Shuguang Peng,
  • Mengxi Li,
  • Jonathan M. Cooper,
  • Zhen Xie,
  • Christopher E. French,
  • Baojun Wang

DOI
https://doi.org/10.1038/s41467-022-29604-x
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 12

Abstract

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In type II CRISPR systems, the guide RNA (gRNA) comprises a CRISPR RNA (crRNA) and a hybridized trans-acting CRISPR RNA (tracrRNA), both being essential in guided DNA targeting functions. Here the authors investigate the programmability of crRNA-tracrRNA hybridization for Cas9 and apply this to biosensing.