Scientists have found further evidence to support the idea that the primary two domains of life, the Archaea and Bacteria, are separated by a long phylogenetic tree branch and therefore distantly ...

Following the drive to understand and control bacteria, it’s becoming clear that our methods have changed the very organisms we aim to understand, increasing resistance to tried-and-true antimicrobial ...

Archaea—one of the three primary domains of life alongside bacteria and eukaryotes—are often overlooked and sometimes mistaken for bacteria due to their single-celled nature and lack of a nucleus. Yet ...

The emergence of eukaryotic cells is considered as a critical biological evolutionary event on Earth. The origin of eukaryotes and eukaryosis are frontier issues in both life and Earth sciences.

Scanning electron micrograph of Methanobrevibacter smithii DSM 861 (=PS T), Methanobrevibacter smithii DSM 2375 (=ALI), Methanobrevibacter smithii GRAZ-2 and WWM1085. Credit: International Journal of ...

In the world of microbes, as in politics, some groups just can't seem to shake the label ''extremist.'' So it is with archaea (ar-KEY-uh), a collection of bacteria-like microorganisms whose unique ...

Earth’s immense web of life fill three broad domains—archaea, bacteria, and eukarya. Scientists from Monash University recently discovered hydrogen-producing enzymes in archaea, which were thought to ...