Paramecium bursaria

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Paramecium bursaria
Paramecium bursaria - 400x (13263096305).jpg
Scientific classification edit
Clade: SAR
Infrakingdom: Alveolata
Phylum: Ciliophora
Class: Oligohymenophorea
Order: Peniculida
Family: Parameciidae
Genus: Paramecium
Species:
P. bursaria
Binomial name
Paramecium bursaria
(Ehr., 1831)

Paramecium bursaria is a species of ciliate found in marine and brackish waters.[1] It has a mutualistic endosymbiotic relationship with green algae called Zoochlorella. The algae live inside the Paramecium in its cytoplasm and provide it with food, while the Paramecium provides the algae with movement and protection. P. bursaria is 80-150 μm long, with a wide , two contractile vacuoles, and a single micronucleus as well as a single macronucleus. P. bursaria is the only species of Paramecium that forms symbiotic relationships with algae, and it is often used in biology classrooms both as an example of a protozoan and also as an example of symbiosis.

A transcriptome sequence is determined.[2]

  • Paramecium bursaria with green zoochlorellae living inside endosymbiotically

  • A Paramecium bursaria about 100 µm long

References[]

  1. ^ Warren, A. (2019) Paramecium bursaria (Ehrenberg) Focker, 1836 WoRMS. Accessed: 16 October 2019.
  2. ^ Dohra H; et al. (2015). "Analysis of amino acid and codon usage in Paramecium bursaria". FEBS Lett. 589 (20 Pt B): 3113–8. doi:10.1016/j.febslet.2015.08.033. hdl:10297/9791. PMID 26341535. S2CID 357977.

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