The discovery of Archaea as a distinct, new domain of cellular life stimulated extensive studies into the molecular biology of these microbes, many of which thrive in unusual, extremely hot or ...

(B) The rooted three-domain tree. (C) The network of life. A: archaea; B: bacteria; E: eukaryote; LUCA: last universal common ancestor of cellular life-forms. The question mark indicates the ...

Despite recent advances in the study of eukaryogenesis, much remains unresolved about the origin and evolution of the most complex domain of life. Amanda was an associate editor at The Scientist, ...

On the other side there are the huge and unwieldy eukaryotes, the third great domain of life. A typical single-celled eukaryote, such as an amoeba, is about 15,000 times larger than a bacterium ...