Neomura: Difference between revisions
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'''Neomura''' is the domain containing the two subdomains of [[Archaea]] and [[Eukaryota]]. According to [[Thomas Cavalier-Smith]], the distinction between Neomura and [[Bacteria]] was marked by twenty evolutionary adaptions, which accompanied, or derived from, two other important adaptions: the development of [[histone]]s to replace [[DNA gyrase]], and the loss of [[peptidoglycan]] [[cell wall]]s to be replaced by other [[glycoprotein]]s. The word "Neomura" reflects this last change; it means "new walls." | '''Neomura''' is the domain containing the two subdomains of [[Archaea]] and [[Eukaryota]]. According to [[Thomas Cavalier-Smith]], the distinction between Neomura and [[Bacteria]] was marked by twenty evolutionary adaptions, which accompanied, or derived from, two other important adaptions: the development of [[histone]]s to replace [[DNA gyrase]], and the loss of [[peptidoglycan]] [[cell wall]]s to be replaced by other [[glycoprotein]]s. The word "Neomura" reflects this last change; it means "new walls." | ||
[[image:Neomuratree.JPG|thumb|left|320px|A phylogenetic tree, showing how Eukaryota and Archaea are more closely related to each other than to [[Bacteria]], based on [[Cavalier-Smith]]'s theory of bacterial evolution.]] | [[image:Neomuratree.JPG|thumb|left|320px|A phylogenetic tree, showing how Eukaryota and Archaea are more closely related to each other than to [[Bacteria]], based on [[Cavalier-Smith]]'s theory of bacterial evolution.]] | ||
Revision as of 01:11, 11 November 2007
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Neomura is the domain containing the two subdomains of Archaea and Eukaryota. According to Thomas Cavalier-Smith, the distinction between Neomura and Bacteria was marked by twenty evolutionary adaptions, which accompanied, or derived from, two other important adaptions: the development of histones to replace DNA gyrase, and the loss of peptidoglycan cell walls to be replaced by other glycoproteins. The word "Neomura" reflects this last change; it means "new walls."
A phylogenetic tree, showing how Eukaryota and Archaea are more closely related to each other than to Bacteria, based on Cavalier-Smith's theory of bacterial evolution.