“CHLOROPLAST-MITOCHONDRIA CROSS-TALK in diatoms. As a consequence of their dynamic evolutionary history, they appear to have red algal-derived chloroplasts empowered largely by green algal proteins, working alongside mitochondria derived from the non-photosynthetic exosymbiont.”
http://jxb.oxfordjournals.org/content/early/2012/01/20/jxb.err441.full