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Archaea (/ ɑːr ˈ k iː ə / ⓘ ar-KEE-ə) is a domain of organisms. Traditionally, Archaea only included its prokaryotic members, but this since has been found to be paraphyletic, as eukaryotes are now known to have evolved from archaea.
This article lists the genera of the Archaea. The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) [1] and National Center for Biotechnology Information (NCBI). [2] However, in the List provided below, GTDB has precedence unless otherwise noted.
A phylogenetic tree based on rRNA data, emphasizing the separation of bacteria, archaea, and eukarya as proposed by Carl Woese et al. in 1990, [1] with the hypothetical last universal common ancestor The three-domain system is a taxonomic classification system that groups all cellular life into three domains , namely Archaea , Bacteria and ...
The tree of life. Two domains of life are Bacteria (top branches) and Archaea (bottom branches, including eukaryotes). The two-domain system is a biological classification by which all organisms in the tree of life are classified into two domains, Bacteria and Archaea.
The most recent common ancestor (MRCA) of bacteria and archaea was probably a hyperthermophile that lived about 2.5 billion–3.2 billion years ago. [16] [17] [18] The earliest life on land may have been bacteria some 3.22 billion years ago. [19] Bacteria were also involved in the second great evolutionary divergence, that of the archaea and ...
An archaeal virus is a virus that infects and replicates in archaea, a domain of unicellular, prokaryotic organisms.Archaeal viruses, like their hosts, are found worldwide, including in extreme environments inhospitable to most life such as acidic hot springs, highly saline bodies of water, and at the bottom of the ocean.
This list of sequenced archaeal genomes contains all the archaea known to have publicly available complete genome sequences that have been assembled, annotated and deposited in public databases. Methanococcus jannaschii was the first archaeon whose genome was sequenced, in 1996. [1]
Pages in category "Archaea" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...