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Nov 29, 2019

A New Crispr Technique Could Fix Almost All Genetic Diseases

Posted by in categories: biotech/medical, genetics

Anzalone’s prime editor is a little different. Its enzyme is actually two that have been fused together—a molecule that acts like a scalpel combined with something called a reverse transcriptase, which converts RNA into DNA. His RNA guide is a little different too: It not only finds the DNA in need of fixing, but also carries a copy of the edit to be made. When it locates its target DNA, it makes a little nick, and the reverse transcriptase starts adding the corrected sequence of DNA letter by letter, like the strikers on a typewriter.


A less error-prone DNA editing method could correct many more harmful mutations than was previously possible.

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