Euglenozoa
| Euglenozoa | ||||||||||||
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Euglena sp. |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Euglenozoa | ||||||||||||
| Cavalier-Smith , 1981 |
The Euglenozoa form a taxon of eukaryotic flagellated Excavata . The Euglenozoa were formerly assigned to the flagellates of the protozoa .
features
Most Euglenozoa are between 15 and 40 µm long and therefore relatively small, but some can grow up to 500 µm. The occurrence of heteromorphic paraxonemalsticks parallel to the axoneme of the flagella is regarded as a decisive synapomorphism of the Euglenozoa . At the molecular level, the appearance of the extraordinary DNA building block beta- D -glucosyl-hydroxymethyluracil (“Base J”) and trans-splicing are characteristic features of the Euglenozoa.
Systematics
Subgroups of the Euglenozoa are:
Distribution and way of life
Representatives of the Euglenozoa are widespread worldwide and very diverse in their way of life. There are photoautotrophic , photosynthesis driving styles , heterotrophic species, parasites and pathogens .
proof
- ↑ AGB Simpson, J. van den Hoff, C. Bernard, H. Burton, DJ Patterson: The ultrastructure and systematic position of the euglenozoon Postgaardi mariagerensis, Fenchel et al. In: Archives for Protist Studies. 147, 3-4, April 1997, pp. 213-225.
- ↑ JH Gommers-Ampt, F. Van Leeuwen, AL de Beer, JF Vliegenthart, M. Dizdaroglu, JA Kowalak, PF Crain, P. Borst: Beta-D-glucosyl-hydroxymethyluracil: a novel modified base present in the DNA of the parasitic protozoan T. brucei. In: Cell. 75, 1993, pp. 1129-1136.
- ↑ C. Frantz, C. Ebel, F. Paulus, P. Imbault: Characterization of trans-splicing in euglenoids. In: Curr. Genet. 37, 2000, pp. 349-355.
- ^ SM Adl, AGB Simpson, CE Lane, J. Lukeš, D. Bass, SS Bowser, MW Brown, F. Burki, M. Dunthorn, V. Hampl, A. Heiss, M. Hoppenrath, E. Lara, L. le Gall, DH Lynn, H. McManus, EAD Mitchell, SE Mozley-Stanridge, LW Parfrey, J. Pawlowski, S. Rueckert, L. Shadwick, CL Schoch, A. Smirnov, FW Spiegel: The Revised Classification of Eukaryotes. In: Journal of Eukaryotic Microbiology. 59, 2012, pp. 429-514. (PDF; online)
