How a CRISPR Protein Might Yield New Tests for Many Viruses

January 4, 2023 • by Marc Airhart

New insights about a CRISPR-associated protein called Cas12a2 could lead to a new approach to diagnostics for a wide range of viral illnesses.

A protein unwinds a double stranded DNA helix

In this illustration based on cryo-electron microscope images, a Cas12a2 protein unzips a DNA double helix, allowing it to cut the single strands of DNA (blue and green). Credit: Jack Bravo/University of Texas at Austin


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