Mitochondria are the power plants of a cell. They generate energy through a process called cellular respiration. This energy is most often stored in a molecule called adenosine triphosphate (ATP), ...

This is a confocal microscopy image of human fibroblasts derived from embryonic stem cells. The nuclei appear in blue, while smaller and more numerous mitochondria appear in red. Disclaimer ...

The study, titled "Somatic nuclear mitochondrial DNA insertions are prevalent in the human brain and accumulate over time in fibroblasts," was published Aug. 22 in PLOS Biology. All authors ...