Trimastix is a genus of excavates, the sole occupant of the order Trimastigida. There are few known species, and the genus's role in the ecosystem is largely unknown. However, much interest in this group is related to its close association with other members of Anaeromonadea. Like other members of this order, these organisms do not have classical mitochondria. As such, much of the research involving these microbes is aimed at investigating the evolution of mitochondria.
One species is Trimastix pyriformis.
- Order Trimastigida Cavalier-Smith 2003
- 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.
- Alastair Simpson & Vladimir Hampl. "Tree of Life: Trimastix". Tree of Life. Retrieved July 24, 2012.
- Hampl V, Silberman JD, Stechmann A, Diaz-Triviño S, Johnson PJ, Roger AJ (2008). Redfield R, ed. "Genetic evidence for a mitochondriate ancestry in the 'amitochondriate' flagellate Trimastix pyriformis". PLoS ONE. 3 (1): e1383. doi:10.1371/journal.pone.0001383. PMC 2148110. PMID 18167542.
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