Microbial Genomics Archaea are prokaryotes that make up a third branch of the tree of life. Knowledge of archaeal biological diversity and their role in evolution has rapidly expanded in… Click to show full abstract
Microbial Genomics Archaea are prokaryotes that make up a third branch of the tree of life. Knowledge of archaeal biological diversity and their role in evolution has rapidly expanded in the past decade. Despite the discovery of previously unknown groups and lineages, few lineages have been well studied. Spang et al. review the diversity of Archaea and their genomes, metabolomes, and history, which clarifies the biology and placement of recently discovered archaeal lineages. Science , this issue p. [eaaf3883][1] [1]: /lookup/doi/10.1126/science.aaf3883
               
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