Kill Switch

In recent years, the use of gene editing techniques has raised concern among both scientists and the public, with some fearing it could lead to unintended consequences, or even be used to create biological weapons.

Now, researchers have discovered a set of proteins that could act as a kill switch for the Crispr-Cas9 system, potentially blocking both of these outcomes.

Not only would the anti-Crispr proteins make the procedure more precise to prevent an accident from spilling out of control, but the scientists say it would also provide a ‘fail safe’ if the technology falls in the wrong hands.


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