
#801Genetics & Molecular BiologyFront Page14 January 2026
Statistical Rigour vs Deep Time: Re-evaluating the Origin of Eukaryotes
A new computational analysis identifies Asgard archaea as the primary genetic architects of the Last Eukaryotic Common Ancestor, relegating the mitochondrial ancestor to a specific energy role. The study suggests complex cellular structures evolved prior to the acquisition of the mitochondrion.
By Tobiasson, Luo, Wolf, Koonin