Chromalveolate
(Redirected from Chromista)
Chromalveolata is a eukaryote supergroup first proposed by Thomas Cavalier-Smith as a refinement of his kingdom Chromista, which was first proposed in 1981.
| Chromalveolates | |
|---|---|
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| Clockwise from top-left: a haptophyte, some diatoms, an oomycete, a cryptomonad, and Macrocystis, a phaeophyte | |
| Scientific classification | |
| Domain: | |
| (unranked): | |
| Kingdom: | Chromalveolate Cavalier-Smith 1998
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| Phyla | |
The origin of the Chromalveolata was thought to be a secondary endosymbiosis between a bikont (cell with two flagella) and a red alga.[1] This union led to plastids containing chlorophyll c. In Cavalier-Smith's classification, the Chromalveolata was one of the six major groups within the eukaryotes.[2]
Chromalveolate Media
Chromista classification according to Cavalier-Smith, 2018, with supposed events marking group divergences
References
- ↑ Keeling P.J. (2009). "Chromalveolates and the evolution of plastids by secondary endosymbiosis". J. Eukaryot. Microbiol. 56 (1): 1–8. doi:10.1111/j.1550-7408.2008.00371.x. PMID 19335769. S2CID 34259721.
- ↑ Adl, Sina M. & al (2005), "The new higher level classification of eukaryotes with emphasis on the taxonomy of protists", Journal of Eukaryotic Microbiology, 52 (5): 399–451, doi:10.1111/j.1550-7408.2005.00053.x, PMID 16248873, S2CID 8060916
- ↑ Burki, Fabien; Shalchian-Tabrizi, Kamran & Pawlowski, Jan (2008), "Phylogenomics reveals a new 'megagroup' including most photosynthetic eukaryotes", Biology Letters, 4 (4): 366–369, doi:10.1098/rsbl.2008.0224, PMC 2610160, PMID 18522922
- ↑ Kim, E; Graham, LE (Jul 2008). "EEF2 analysis challenges the monophyly of Archaeplastida and Chromalveolata". PLOS ONE. 3 (7): e2621. doi:10.1371/journal.pone.0002621. PMC 2440802. PMID 18612431.
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