Enhanced trans-cleavage activity using CRISPR-Cas12a variant designed to reduce steric inhibition by cis-cleavage products.

Abstract excerpt

The CRISPR-Cas12a system has emerged as a promising tool for molecular diagnostics due to its indiscriminate trans-ssDNase activity. However, the sensitivity of Cas12a-based diagnostics remains insufficient for clinical use without a pre-amplification step such as loop-mediated isothermal amplification, and therefore the trans-cleavage activity of Cas12a needs to be enhanced. Here, we present a novel strategy to...

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