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Asgard Archaea Hint at Eukaryotic Origins
Joshua A. Krisch | Jan 18, 2017
A newly discovered superphylum of archaea may be related to a microbe that engulfed a bacterium to give rise to complex eukaryotic life.
New CRISPR-Cas Enzymes Discovered
Kerry Grens | Dec 22, 2016
A metagenomics analysis finds Cas9 in archaea for the first time, along with two previously unknown Cas nucleases from bacteria.
A New Role for Marine Archaea
Catherine Offord | Jul 1, 2016
Researchers discover acetogenesis in archaea, suggesting an important role for these little-studied organisms in generating organic carbon below the seafloor.
Archaea’s Role in Carbon Cycle
Catherine Offord | Jun 30, 2016
Bathyarchaeota undergo acetogenesis, generating organic carbon below the seafloor.
Microbes Persist in Super-Salty Conditions
Tanya Lewis | Jun 23, 2016
Extremophiles can thrive on perchlorates and metabolize carbon monoxide, researchers report.
Opinion: Life’s X Factor
Nick Lane | Aug 4, 2015
Did endosymbiosis—and the innovations in membrane bioenergetics it engendered—make it possible for eukaryotic life to evolve?
Prokaryotic Microbes with Eukaryote-like Genes Found
Jyoti Madhusoodanan | May 6, 2015
Deep-sea microbes possess hallmarks of eukaryotic cells, hinting at a common ancestor for archaea and eukaryotes.
Gene Jumped to All Three Domains of Life
Kerry Grens | Dec 1, 2014
By horizontal gene transfer, an antibacterial gene family has dispersed to a plant, an insect, several fungi, and an archaeon.
New Genes = New Archaea?
Molly Sharlach | Oct 15, 2014
Genes acquired from bacteria contributed to the origins of archaeal lineages, a large-scale phylogenetic analysis suggests.
Newly ID’d Transposons Involve Cas
Kerry Grens | May 27, 2014
Researchers uncover a group of mobile genetic elements in bacteria and archaea encoding a Cas enzyme.