Biology:Neokaryotes

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The neokaryotes (Cavalier-Smith 1993) are a proposed eukaryote clade consisting of the unikonts and the bikonts as sister of for instance the Jakobea. It arises because the Euglenozoa, Percolozoa, Tsukubea, and Jakobea are seen in this view as more basal eukaryotes. These four groups, are traditionally grouped together in the Discoba. However, the Discoba may well be paraphyletic as the neokaryotes may have emerged in them.[1]

The group was recovered as a monophyletic group in a later analysis, by Al Jewari and Baldauf (2023).[2]

Taxonomy

A proposed cladogram is[3][4][5][6][7][8][9][10]

Eukaryota
 

Tsukubea

 
 
Discicristata
 

Euglenozoa 70px

 
 

Percolozoa 70px

 
 
Orthokaryotes
 

Jakobea 70px

 
Neokaryotes
Corticata/Diaphoretickes/
 

Archaeplastida 70px

 
Chromista
 

Hacrobia 70px

 
 

SAR 70px

 
 
Bikont
Scotokaryotes/Opimoda/Neozoa
 

Metamonada 70px

 
 
 

Malawimonas 70px

 
Sulcozoa/Podiata/
 

CRuMs 70px

 
Amorphea/
 

Amoebozoa 70px

 
Obazoa
 

Breviata 70px

 
 
 

Apusomonadida 70px

 
 

Opisthokonta 70px

 
 
 
Unikont
Sarcomastigota
 
 
 
 
 
 

References

  1. ↑ Cavalier-Smith, Thomas (1 May 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. 
  2. ↑ Al Jewari, Caesar; Baldauf, Sandra L. (28 April 2023). "An excavate root for the eukaryote tree of life". Science Advances 9 (17). doi:10.1126/sciadv.ade4973. ISSN 2375-2548. PMID 37115919. Bibcode: 2023SciA....9E4973A. 
  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. 
  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. 
  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. 
  10. ↑ 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. 

Wikidata ☰ Q48836623 entry