In the late 1970s, a new branch was added to the tree of life, and archaea joined bacteria and eukarya, as domain classifications. Archaea and bacteria are both simple forms of cells called ...
Sepideh Pakpour, James A. Scott, Stuart E. Turvey, Jeffrey R. Brook, Timothy K. Takaro, Malcolm R. Sears and John Klironomos Archaea are widespread and abundant in soils, oceans, or human and animal ...
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 ...
Scientists have been trying to learn more about archaea since these microbes were discovered in the 1970s. Their DNA is not contained in a nucleus, so they are a type of prokaryote, and were initially ...
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