Complete sequences of numerous mitochondrial, many prokaryotic, and several nuclear genomes are now available. These data confirm that the mitochondrial genome originated from a eubacterial (specifically alpha-proteobacterial) ancestor but raise questions about the evolutionary antecedents of the mitochondrial proteome.
No takes yet. Share an insight, caveat, or question.
Gray et al. (2001) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: