Prime Editing 2.0

Prime Editing 2.0 is an advanced gene-editing technology that enables precise, single-step search-and-replace editing without the need for double-strand breaks in DNA.

It addresses the limitations of previous gene-editing technologies like CRISPR-Cas9, which often require the introduction of double-strand breaks in DNA, leading to potential off-target effects and increased complexity in editing processes.

Prime Editing 2.0 combines Cas9 nickase with reverse transcriptase to insert or correct genetic information directly into the genome. This approach allows for a high-fidelity and efficient correction of specific genetic sequences, bypassing the traditional methods that rely on creating double-strand breaks followed by DNA repair mechanisms.

• Cas9 nickase
• reverse transcriptase
• donor templates

The manufacturing process involves the production of Cas9 nickase, reverse transcriptase, and donor templates. These components are then combined in a precise manner to create prime editing complexes.

Prime Editing 2.0 is built by first designing the Cas9 nickase variant that can create single-strand breaks without inducing double-strand breaks. This is followed by the integration of reverse transcriptase, which synthesizes new DNA strands using an RNA template. The donor template containing the desired genetic information is also prepared and combined with these components.

Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking. The operational power requirements are relatively modest compared to some other genetic technologies.

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Cas9 nickase

A variant of Cas9 that creates single-strand breaks in DNA, used in prime editing to introduce precise edits without double-strand breaks.

Reverse transcriptase

An enzyme that synthesizes new DNA strands using an RNA template, enabling the direct insertion of genetic information into the genome during prime editing.

Donor templates

DNA molecules containing the desired genetic sequence to be inserted or corrected in the target cell's genome during prime editing.

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