Paramecium sonneborni

Paramecium sonneborni is a species of unicellular organisms belonging to the genus Paramecium of the phylum Ciliophora.[1] It was first isolated in Texas and named after Tracy M. Sonneborn. It is a member of the Paramecium aurelia species complex. They are covered in cilia and are distinguished by their difference in mating patterns and enzyme patterns. The length of Paramecium sonneborni is between 130 and 186 μm with a mean length of 154μm.[1] It is the newest member of the Paramecium aurelia species complex. The current Paramecium sonneborni strains, so far, reveal very low viability in the generations and are a result of allopatric speciation.

Paramecium sonneborni
Scientific classification
Kingdom: Chromista
Superphylum: Alveolata
Phylum: Ciliophora
Class: Oligohymenophorea
Order: Peniculida
Family: Parameciidae
Genus: Paramecium
Species:
P. sonneborni
Binomial name
Paramecium sonneborni
Aufderheide, Daggett & Nerad, 1983

References
  1. Aufderheide, Karl J.; Daggett, Pierre-Marc; Nerad, Thomas A. (1983). "Paramecium sonneborni n. sp., a New Member of the Paramecium aurelia Species-Complex". The Journal of Eukaryotic Microbiology. 30 (1): 128–131. doi:10.1111/j.1550-7408.1983.tb01046.x. ISSN 1066-5234.

2. Przyboś, E., Tarcz, S., Rautian, M., & Sawka, N. (2015). Delimiting species boundaries within a PARAPHYLETIC SPECIES Complex: Insights from MORPHOLOGICAL, genetic, and molecular data on PARAMECIUM SONNEBORNI (Paramecium Aurelia species complex, Ciliophora, Protozoa). Protist, 166(4), 438-456. doi:10.1016/j.protis.2015.07.001

3. Sonneborn, T. (1970). Chapter 12 methods In PARAMECIUM RESEARCH. Methods in Cell Biology, 241-339. doi:10.1016/s0091-679x(08)61758-6

Further reading

Przyboś, Ewa; Tarcz, Sebastian; Rautian, Maria; Lebedeva, Natalia (June 2014). "The first European stand of Paramecium sonneborni (P. aurelia complex), a species known only from North America (Texas, USA)". European Journal of Protistology. 50 (3): 236–247. doi:10.1016/j.ejop.2014.03.001. PMID 24882685.


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