This inherently also implies that
mitochondrial endosymbiosis happened only once in eukaryotic evolution.
This in turn means that the host in
the mitochondrial endosymbiosis must have been a prokaryote.
What kind of conditions drove
the mitochondrial endosymbiosis?
Not exact matches
Eukaryotes (gray branch) are suggested to have emerged from the Asgard archaea upon
endosymbiosis with an alphaproteobacterial partner (the
mitochondrial endosymbiont).