Team uncovers new functions of mitochondrial fusion

A typical human cell contains hundreds of mitochondria—energy-producing organelles—that continually fuse and divide. Relatively little is known, however, about why mitochondria undergo this behavior.

New clues about mitochondrial 'growth spurts'

Mitochondria are restless, continually merging and splitting. But contrary to conventional wisdom, the size of these organelles depends on more than fusion and fission, as Berman et al. show. Mitochondrial growth and degradation ...