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Stentor coeruleus
Species of single-celled organism From Wikipedia, the free encyclopedia
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Stentor coeruleus (ⓘ[a]) is a protist in the family Stentoridae which is characterized by being a very large ciliate that measures 0.5 to 2 millimetres when fully extended.
S. coeruleus specifically appears as a very large trumpet. It contains a macronucleus that looks like a string of beads that are contained within a ciliate that is blue to blue-green in color. It has the ability to contract into a ball through the contraction of its many myonemes .[2]
Stentor coeruleus is known for its regenerative abilities.[3] When this organism is cut in half, each half is able to regenerate a cell that has its normal anatomy provided that each cut part includes some of the macro-nucleus.[4] It feeds by means of cilia that carry food into the gullet.
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DNA
The genetic code is the standard code, and not the usual form for ciliates. The introns are unusually small, only 15 or 16 nucleotides long.[5]
Reproduction
S. coeruleus is capable of sexual reproduction, or conjugation, but primarily reproduces asexually by binary fission.[6]
References
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