Biology:Orthokaryotes

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The Orthokaryotes (Cavalier-Smith 2017) are a proposed Eukaryote clade consisting of the Jakobea and the Neokaryotes.[1] Together with its sister Discicristata it forms a basal Eukaryote clade. They are characterized by stacked Golgi, orthogonal centrioles, and two opposite posterior ciliary roots.

Taxonomy

A proposed cladogram is[2][3][4][5][6][7][8][9][1]

Eukaryota
 

Tsukubea

 
 
Discicristata
 

Euglenozoa

 
 

Percolozoa

 
 
Orthokaryotes
 

Jakobea

 
Neokaryotes
Corticata/Diaphoretickes/
 

Archaeplastida

 
Chromista
 

Hacrobia

 
 

SAR

 
 
Bikont
Scotokaryotes/Opimoda/Neozoa
 

Metamonada

 
 
 

Malawimonas

 
Sulcozoa/Podiata/
 

Planomonadida

 
 
 
 

Mantamonadida

 
 

Diphyllatea

 
 
Amorphea/
 

Amoebozoa

 
Obazoa
 
 

Breviata

 
 

Apusomonadida

 
 
 

Opisthokonta/Choanozoa

 
 
Unikont
 
Sarcomastigota
 
 
 
 
 
 

References

  1. ↑ 1.0 1.1 Cavalier-Smith, Thomas (5 September 2017). "Kingdom Chromista and its eight phyla: a new synthesis emphasising periplastid protein targeting, cytoskeletal and periplastid evolution, and ancient divergences" (in en). Protoplasma 255 (1): 297–357. doi:10.1007/s00709-017-1147-3. ISSN 0033-183X. PMID 28875267. 
  2. ↑ Zaremba-Niedzwiedzka, Katarzyna; Caceres, Eva F.; Saw, Jimmy H.; Bäckström, Disa; Juzokaite, Lina; Vancaester, Emmelien; Seitz, Kiley W.; Anantharaman, Karthik et al. (11 January 2017). "Asgard archaea illuminate the origin of eukaryotic cellular complexity" (in en). Nature advance online publication (7637): 353–358. doi:10.1038/nature21031. ISSN 1476-4687. PMID 28077874. Bibcode: 2017Natur.541..353Z. https://escholarship.org/content/qt0qh5400s/qt0qh5400s.pdf?t=pgp8bj. 
  3. ↑ Derelle, Romain; Torruella, Guifré; Klimeš, Vladimír; Brinkmann, Henner; Kim, Eunsoo; Vlček, Čestmír; Lang, B. Franz; Eliáš, Marek (17 February 2015). "Bacterial proteins pinpoint a single eukaryotic root" (in en). Proceedings of the National Academy of Sciences 112 (7): E693–E699. doi:10.1073/pnas.1420657112. ISSN 0027-8424. PMID 25646484. Bibcode: 2015PNAS..112E.693D. 
  4. ↑ Cavalier-Smith, T.; Chao, E. E.; Snell, E. A.; Berney, C.; Fiore-Donno, A. M.; Lewis, R. (2014). "Multigene eukaryote phylogeny reveals the likely protozoan ancestors of opisthokonts (animals, fungi, choanozoans) and Amoebozoa". Molecular Phylogenetics & Evolution 81: 71–85. doi:10.1016/j.ympev.2014.08.012. PMID 25152275. Bibcode: 2014MolPE..81...71C. 
  5. ↑ Cavalier-Smith, Thomas (23 June 2010). "Kingdoms Protozoa and Chromista and the eozoan root of the eukaryotic tree" (in en). Biology Letters 6 (3): 342–345. doi:10.1098/rsbl.2009.0948. ISSN 1744-9561. PMID 20031978. 
  6. ↑ He, Ding; Fiz-Palacios, Omar; Fu, Cheng-Jie; Fehling, Johanna; Tsai, Chun-Chieh; Baldauf, Sandra L. (2014). "An Alternative Root for the Eukaryote Tree of Life". Current Biology 24 (4): 465–470. doi:10.1016/j.cub.2014.01.036. PMID 24508168. Bibcode: 2014CBio...24..465H. 
  7. ↑ Cavelier Smith (2013). "Early evolution of eukaryote feeding modes, cell structural diversity, and classification of the protozoan phyla Loukozoa, Sulcozoa, and Choanozoa". European Journal of Protistology 49 (2): 115–178. doi:10.1016/j.ejop.2012.06.001. PMID 23085100. 
  8. ↑ Hug, Laura A.; Baker, Brett J.; Anantharaman, Karthik; Brown, Christopher T.; Probst, Alexander J.; Castelle, Cindy J.; Butterfield, Cristina N.; Hernsdorf, Alex W. et al. (11 April 2016). "A new view of the tree of life" (in en). Nature Microbiology 1 (5): 16048. doi:10.1038/nmicrobiol.2016.48. ISSN 2058-5276. PMID 27572647. 
  9. ↑ Cavalier-Smith, Thomas; Chao, Ema E.; Lewis, Rhodri (1 June 2016). "187-gene phylogeny of protozoan phylum Amoebozoa reveals a new class (Cutosea) of deep-branching, ultrastructurally unique, enveloped marine Lobosa and clarifies amoeba evolution". Molecular Phylogenetics and Evolution 99: 275–296. doi:10.1016/j.ympev.2016.03.023. PMID 27001604. Bibcode: 2016MolPE..99..275C. 

Wikidata ☰ Q48836620 entry