Mitochondria respond very quickly to your needs: They’re there for your muscles when you climb a hill or ride a bike. You can’t make a decision, answer a question, or laugh at a punch line ...

She drew a line with her extended finger across a junction between mitochondria. Jennifer N. R. Smith I had pored over thousands of electron microscopy images from the best microscopists.

"Mitochondria are acting as a first line of defense in sensing DNA stress. The mitochondria tell the rest of the cell, 'Hey, I'm under attack, you better protect yourself,'" says Gerald Shadel, a ...

Since mitochondrial DNA is inherited through the female line, mitochondria that are replaced will also be inherited. Most of a cell's DNA is in the cell nucleus, but each mitochondrion has its own ...