image: The energy generators in cells, mitochondria, have their own genetic material (green circles) which is maintained by a repair toolkit (red circle) unraveled in this study. This material relates to a paper that appeared in the April 28, 2017, issue of Science Advances, published by AAAS. The paper, by S.-C. Chiang at University of Sheffield in Sheffield, UK, and colleagues was titled, "Mitochondrial protein-linked DNA breaks perturb mitochondrial gene transcription and trigger free radical-induced DNA damage." view more
Credit: [Credit: Nora and Sherif El-Khamisy]