Mitochondrial pathway of apoptosis is ancestral in metazoans
Proceedings of the National Academy of Sciences (2012) - Comment
pubmed: 22416118  doi: 10.1073/pnas.1120680109  issn: 0027-8424  issn: 1091-6490 

Cheryl E. Bender, Patrick Fitzgerald, Stephen W. G. Tait, Fabien Llambi, Gavin P. McStay, Douglas O. Tupper, Jason Pellettieri, Alejandro Sánchez Sánchez Alvarado, Guy S. Salvesen, Douglas R. Green