title: The search for nonconventional mitochondrial determinants of aging.
abstract: Mitochondria are conventionally believed to modulate aging by affecting free-radical production and the energy supply. In this issue of Molecular Cell, Caballero et al. (2011) reveal that altering protein complexes involved in mitochondrial translation control extends life span independent of redox homeostasis and oxidative phosphorylation.
authors.affiliation: Department of Biochemistry and Molecular Biology, State University of New York Upstate Medical University, Syracuse, NY 13210, USA. chenx@upstate.edu
authors.forename: Xin Jie
authors.initials: XJ
authors.lastname: Chen