# Nucleic acid detection with CRISPR-Cas13a/C2c2

“Nucleic acid detection with CRISPR-Cas13a/C2c2” (2017), by Jonathan S. Gootenberg et al. Genetics and Biochemistry research paper. Original abstract below, unchanged. No free PDF was found.

- Authors: Jonathan S. Gootenberg, Omar O. Abudayyeh, Jeong Wook Lee, Patrick Essletzbichler, Aaron J. Dy, Julia Joung, Vanessa K. Verdine, Nina M. Donghia, Nichole M. Daringer, Catherine A. Freije et al.
- Published: April 13, 2017
- Field: Genetics and Biochemistry
- DOI: https://doi.org/10.1126/science.aam9321
- Source: https://doi.org/10.1126/science.aam9321

## Abstract

Rapid, inexpensive, and sensitive nucleic acid detection may aid point-of-care pathogen detection, genotyping, and disease monitoring. The RNA-guided, RNA-targeting clustered regularly interspaced short palindromic repeats (CRISPR) effector Cas13a (previously known as C2c2) exhibits a "collateral effect" of promiscuous ribonuclease activity upon target recognition. We combine the collateral effect of Cas13a with isothermal amplification to establish a CRISPR-based diagnostic (CRISPR-Dx), providing rapid DNA or RNA detection with attomolar sensitivity and single-base mismatch specificity. We use this Cas13a-based molecular detection platform, termed Specific High-Sensitivity Enzymatic Reporter UnLOCKing (SHERLOCK), to detect specific strains of Zika and Dengue virus, distinguish pathogenic bacteria, genotype human DNA, and identify mutations in cell-free tumor DNA. Furthermore, SHERLOCK reaction reagents can be lyophilized for cold-chain independence and long-term storage and be readily reconstituted on paper for field applications.

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