Researchers have succeeded in cultivating an ultra-small bacterial strain parasitizing archaea and classified ... radiation (CPR), a large bacterial phylogenetic group that includes various ...

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 ...

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 ...

LUCA, the root of the evolutionary tree from which Bacteria and Archaea diverged ... LUCA’s genome was a significant discovery. Phylogenetic reconciliation indicates it had a genome of at ...

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 ...

2002). NRI is a mean pairwise distance metric sensitive to phylogeny-wide patterns and NTI is a nearest-taxon-based measure sensitive to patterns at the ‘tips’ of a phylogenetic tree.

AIST researchers, in collaboration with JAMSTEC, Hokkaido University and Tohoku University, have succeeded in cultivating an ...