A bacterial toxin enables the first mitochondrial gene editor
Researchers can now change DNA in a previously inaccessible organelle
![mitochondria in cells](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/07/070920_ja_mitochondria_feat.jpg?fit=1028%2C579&ssl=1)
Scientists report a new gene-editing tool that can target DNA in mitochondria (red). Previous editors were only effective in nuclei (blue).
Tslil Ast/Mootha Lab