Hydrogenosomes and mitosomes are mitochondria-related organelles with distinct properties. Here the authors find that the mitochondria-related organelle of the salmon parasite Spironucleus salmonicidahas characteristics of both diplomonad mitosomes and of parabasalid hydrogenosomes, suggesting the presence of hydrogenosomes in the last common ancestor.
- Jon Jerlström-Hultqvist
- Elin Einarsson
- Staffan G. Svärd