Kamera lens
| Kamera lens | |
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Kamera
(O.F.Müller) Patterson & Zölffel, 1991
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Kamera lens
(O.F.Müller) Patterson & Zölffel, 1991
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Monas lens O.F.Müller (1773) |
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Kamera lens is a unicellular, flagellate organism and the only species in the genus Kamera. Though the species has been known for centuries, it is poorly understood. Its systematic position within the Eukaryota is uncertain.
Anatomy, nutrition and reproduction
Kamera lens is a free-living, swimming, heterotrophic organism. It is 6 to 7 by 2.5 to 3 micrometers on average [2]) and ovate, the base of both its long flagella is below the tip (subapical). There is only one nucleus.[2] Ultrastructural characters are not known.[3]
Kamera lens lives as a saprobiont[2] and can be found in hay infusions. William Saville Kent reported spore-masses of it in such an infusion in 1880.[4]
Taxonomy and history
The first valid description (as Monas lens) was published by Otto Friedrich Müller in 1773.[5] William Saville Kent placed itin the genus Heteromita in 1880.[4] Edwin Klebs moved it to Bodo in 1892, but this was rejected by H.M. Woodcock, who removed the species from Bodo and made it the type species of Heteromastix.[2] David J. Patterson and Michael Zölffel found Woodcock's description to be insufficient and created the genus Kamera for Kamera lens in 1991. Kamera lens is a play on words using the original species epithet.[3] Due to lacking ultrastructural or molecularbiological data the species' rank is uncertain, thus it is placed as incertae sedis in the Eukaryota.
References
- ↑ Patterson, D.J. & Larsen, J. (1991). The biology of free-living heterotrophic flagellates. Systematics Association Special Volume No. 45. pp. i-xiii, [1]-505. Oxford: Clarendon Press.
- ↑ 2.0 2.1 2.2 2.3 H. M. Woodcock: Observations on Coprozoic Flagellates: Together with a Suggestion as to the Significance of the Kinetonucleus in the Binucleata, In: Philosophical Transactions of the Royal Society of London. Series B, Vol. 207, 1916, p. 395-397
- ↑ 3.0 3.1 David J. Patterson, Naja Vors, Alastair G.B. Simpson, Charles O. Kelly: Residual Free-Living And Predatory Heterotrophic Flagellates In: Residual Free-Living And Predatory Heterotrophic Flagellates In: Illustrated Guide to the Protozoa, 2nd Edition. Vol. 2, Society of Protozoologists, Lawrence, Kansas 2000, ISBN 1-891276-23-9, p. 1302-1328.
- ↑ 4.0 4.1 William Saville Kent: A manual of the infusoria, including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign and an account of the organization and affinities of the sponges, Vol. 1, 1880, p. 135-142
- ↑ Otto Friedrich Müller: Vermivm Terrestrium Et Fluviatilium, Seu Animalium Infusoriorum, Helminthicorum Et Testaceorum, Non Marinorum, Succincta Historia, Vol. 1, Ps. 1, Leipzig 1773, p. 26
