{"id":14432,"date":"2025-02-27T10:07:31","date_gmt":"2025-02-27T15:07:31","guid":{"rendered":"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/?p=14432"},"modified":"2025-02-28T11:18:59","modified_gmt":"2025-02-28T16:18:59","slug":"new-ranks-ncbi-taxonomy","status":"publish","type":"post","link":"https:\/\/ncbiinsights.ncbi.nlm.nih.gov\/2025\/02\/27\/new-ranks-ncbi-taxonomy\/","title":{"rendered":"New Ranks in NCBI Taxonomy: Domain & Realm"},"content":{"rendered":"
As <\/span>previously announced<\/span><\/a>, NCBI continues to make improvements to our <\/span>Taxonomy<\/span><\/a> resource. There have been recent <\/span>updates<\/span><\/a> to the International Code of Nomenclature of Prokaryotes (<\/span>ICNP<\/span><\/a>) and <\/span>proposals<\/span><\/a> by the International Committee on Taxonomy of Viruses (<\/span>ICTV)<\/span><\/a>. As a result,\u00a0NCBI Taxonomy has discontinued the use of rank \u201csuperkingdom\u201d to classify organisms into Archaea, Bacteria, Eukaryota, and Viruses.<\/span>\u00a0<\/span><\/p>\n <\/p>\n Six viral groups are designated with the new rank \u201crealm,\u201d the equivalent of “domain.” The six realms are:<\/span>\u00a0<\/span><\/p>\n The above are rank name changes to existing names. They do not affect the classification of Archaea, Bacteria, Eukaryota, or Viruses. <\/span><\/p>\n Note: updates will be live in NCBI Taxonomy in early March 2025.\u00a0<\/span><\/p>\n Please <\/span>reach out to us<\/span><\/a> if you have questions or would like to provide feedback.\u00a0<\/span>\u00a0<\/span><\/p>\n Follow us on social\u202f<\/span>@NCBI<\/span><\/a>\u202fand\u202f<\/span>join our mailing list<\/span><\/a>\u202fto keep up to date with\u202fNCBI Taxonomy\u202fand other NCBI news.\u202f\u202f<\/span>\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" As previously announced, NCBI continues to make improvements to our Taxonomy resource. There have been recent updates to the International Code of Nomenclature of Prokaryotes (ICNP) and proposals by the International Committee on Taxonomy of Viruses (ICTV). As a result,\u00a0NCBI Taxonomy has discontinued the use of rank \u201csuperkingdom\u201d to classify organisms into Archaea, Bacteria, Eukaryota, … Continue reading New Ranks in NCBI Taxonomy: Domain & Realm<\/span> What\u2019s changing?<\/span><\/b>\u00a0<\/span><\/h4>\n
New rank: Domain<\/span><\/b>\u00a0<\/span><\/h6>\n
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New rank for viruses: Realm<\/span><\/b>\u00a0<\/span><\/h6>\n
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Questions?\u00a0<\/span><\/b>\u00a0<\/span><\/h4>\n
Stay up to date\u00a0<\/span><\/b>\u00a0<\/span><\/h4>\n