Image:Phylogenetic tree.svg

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[edit] Summary

Description

A phylogenetic tree of living things, based on RNA data and proposed by Carl Woese, showing the separation of bacteria, archaea, and eukaryotes. Trees constructed with other genes are generally similar, although they may place some early-branching groups very differently, thanks to long branch attraction. The exact relationships of the three domains are still being debated, as is the position of the root of the tree. It has also been suggested that due to lateral gene transfer, a tree may not be the best representation of the genetic relationships of all organisms. For instance some genetic evidence suggests that eukaryotes evolved from the union of some bacteria and archaea (one becoming the nucleus and the other the main cell).
Source

NASA Astrobiology Institute, found in an article
Date

September 2006
Author

Eric Gaba (Sting)
Permission

Public domain
Other versions

French version : Image:Phylogenetic_tree-fr.svg
Hungarian version : Image:Phylogenetic_tree_hu.svg

bitmap version : Image:PhylogeneticTree.png


Français :
  • Sujet : Arbre phylogénétique hypothétique de tous les organismes vivants. L'arbre est basé sur des séquences de l'fr:ARNr 16S. À l'origine proposé par fr:Carl Woese, il montre l'histoire évolutive des trois domaines du vivant (fr:bactéries, fr:archaea et fr:eucaryotes) ;
  • Source : NASA Astrobiology Institute – basé sur une image trouvée dans un article ;
  • Auteur : Eric Gaba (fr:Sting) ;
  • Date : Septembre 2006 ;
  • Autres versions :
francophone : Image:Phylogenetic_tree-fr.svg ;
bitmap : Image:PhylogeneticTree.png.


Atelier graphique
English: This picture was improved or created by the Wikigraphists of the Graphics Lab. You can propose images to clean up and improve as well.
Français : Cette image a été améliorée ou créée par les Wikigraphistes de l'Atelier graphique. Vous pouvez également y proposer des images à améliorer.
Retouched Picture - This is a retouched picture, which means that it has been digitally altered from its original version.
- Ceci est une image modifiée, ce qui signifie qu'elle a subi des transformations par rapport à sa version originale.

[edit] Licensing

Public domain I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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