Mitochondrial Theme The Magic Garden Gottfried Schatz p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p673 DNA Replication and Transcription in Mammalian Mitochondria Maria Falkenberg, Nils-Gran Larsson, and Claes M. Gustafsson p p p p p p p p p p p p p p p p p p p679 Mitochondrial-Nuclear Communications Michael T. Ryan and Nicholas J. Hoogenraad p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p701 Translocation of Proteins into Mitochondria Walter Neupert and Johannes M. Herrmann p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p723 The Machines that Divide and Fuse Mitochondria Suzanne Hoppins, Laura Lackner, and Jodi Nunnari p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p p751 Why Do We Still Have a Maternally Inherited Mitochondrial DNA?