Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Techniques for delivering nucleic acids into mammalian cells have been around for decades. But tools and reagents continue to improve and target a broader range of cells and applications. Laura Bonetta reports.