According to this latest study, all complex life forms (a.k.a. eukaryotes) trace their roots back to a common ancestor among a group of microbes called the Asgard archaea.

Indeed, archaea and bacteria appear very similar ... of diverse life-forms to construct and compare thousands of phylogenetic trees for individual genes. Unexpectedly, when comparing these trees ...

Although horizontal gene transfers between eukaryotes and Archaea cannot be ... the truncated protein and rRNA trees because many proteins used in this phylogenetic analysis are involved in ...

Since the late 1980s, all life forms have been split into three groups on the phylogenetic tree of life: bacteria, archaea, and eukaryotes. Eukaryotes and archaea have long been considered “sister ...

Scientists propose that the eukaryotic branch of this family tree formed when two prokaryotes ... systems to study the distribution of complete systems in the genomes of archaea, including Asgard ...