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Anaeromonadea
Monocercomonoides melolanthae
Scientific classification
Domain:	Eukaryota
(unranked):	Excavata
Phylum:	Metamonada
Subphylum:	Anaeromonada Cavalier-Smith, 1996/7
Class:	Anaeromonadea Cavalier-Smith, 1996/7, emend. 1999
Orders
Paratrimastigidae Paratrimastix Trimastigida Trimastix Oxymonadida
Synonyms
Oxymonadea Grassé 1952 Pyrsonympha Axostylea

Anaeromonadea, also known as Preaxostyla, is a class of excavate protists, comprising the oxymonads, Trimastix, and Paratrimastix. This group is studied as a model system for reductive evolution of mitochondria, because it includes both organisms with anaerobic mitochondrion-like organelles (Trimastix and Paratrimastix), and those that have completely lost their mitochondria (oxymonads Monocercomonoides, Streblomastix, and Blattamonas).

Phylogeny and Taxonomy

Based on the work of Zhang et al. 2015.

References

1. Hampl V, Hug L, Leigh JW, et al. (March 2009). "Phylogenomic analyses support the monophyly of Excavata and resolve relationships among eukaryotic "supergroups"". Proc. Natl. Acad. Sci. U.S.A. 106 (10): 3859–64. Bibcode:2009PNAS..106.3859H. doi:10.1073/pnas.0807880106. PMC 2656170. PMID 19237557.
2. Hampl V (2016), Archibald JM, Simpson AG, Slamovits CH, Margulis L (eds.), "Preaxostyla", Handbook of the Protists, Cham: Springer International Publishing, pp. 1–36, doi:10.1007/978-3-319-32669-6_8-1, ISBN 978-3-319-32669-6, retrieved 2024-04-15
3. Cavalier-Smith T (November 2003). "The excavate protozoan phyla Metamonada Grassé emend. (Anaeromonadea, Parabasalia, Carpediemonas, Eopharyngia) and Loukozoa emend. (Jakobea, Malawimonas): their evolutionary affinities and new higher taxa". Int. J. Syst. Evol. Microbiol. 53 (Pt 6): 1741–58. doi:10.1099/ijs.0.02548-0. PMID 14657102.
4. ^ Zhang Q, Táborský P, Silberman JD, Pánek T, Čepička I, Simpson AG (September 2015), "Marine Isolates of Trimastix marina Form a Plesiomorphic Deep-branching Lineage within Preaxostyla, Separate from Other Known Trimastigids (Paratrimastix n. gen.)", Protist, 166 (4): 468–91, doi:10.1016/j.protis.2015.07.003, ISSN 1434-4610, PMID 26312987
5. "Genomics of Eukaryotes and Lateral Gene Transfer | Biocev". www.biocev.eu. Retrieved 2024-04-15.
6. ^ Novák LV, Treitli SC, Pyrih J, Hałakuc P, Pipaliya SV, Vacek V, Brzoň O, Soukal P, Eme L, Dacks JB, Karnkowska A, Eliáš M, Hampl V (2023-12-07). Dutcher SK (ed.). "Genomics of Preaxostyla Flagellates Illuminates the Path Towards the Loss of Mitochondria". PLOS Genetics. 19 (12): e1011050. doi:10.1371/journal.pgen.1011050. ISSN 1553-7404. PMC 10703272. PMID 38060519.
7. Hampl V, Silberman JD, Stechmann A, Diaz-Triviño S, Johnson PJ, Roger AJ (2008-01-02). Redfield R (ed.). "Genetic Evidence for a Mitochondriate Ancestry in the 'Amitochondriate' Flagellate Trimastix pyriformis". PLOS ONE. 3 (1): e1383. Bibcode:2008PLoSO...3.1383H. doi:10.1371/journal.pone.0001383. ISSN 1932-6203. PMC 2148110. PMID 18167542.
8. Karnkowska A, Vacek V, Zubáčová Z, Treitli SC, Petrželková R, Eme L, Novák L, Žárský V, Barlow LD, Herman EK, Soukal P, Hroudová M, Doležal P, Stairs CW, Roger AJ (May 2016). "A Eukaryote without a Mitochondrial Organelle". Current Biology. 26 (10): 1274–1284. Bibcode:2016CBio...26.1274K. doi:10.1016/j.cub.2016.03.053. PMID 27185558.

External links

• Tree of Life: Preaxostyla

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