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Updated: Jan 25, 2026

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Studying Habituation in Stentor coeruleus
Published on: January 6, 2023
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Replicate separation from dead dwarf cells of Stentor coeruleus
Benjamin J Scherlag1, Ronald A Scherlag1, Khaled Elkholey1
1Department of Medicine, University of Oklahoma Health Sciences Center, United States.
Bio Systems
|April 28, 2019
Summary
Cell death in Stentor coeruleus induces dwarf forms that release a cell replicate. This replicate, containing bacteria, fades over time, dispersing the bacteria.
Area of Science:
- Cell Biology
- Microbiology
Background:
- Studies Stentor coeruleus, a large unicellular organism.
- Investigates cell death mechanisms and morphological changes.
Purpose of the Study:
- To investigate the induction of dwarf forms from disrupted Stentor coeruleus cells.
- To observe the cell death process and subsequent morphological events.
Main Methods:
- Induction of dwarf forms via dehydration and rehydration of Stentor media.
- Exposure of dwarf cells to a toxic solution to induce cell death.
- Control experiments using sterile media.
Main Results:
- Dehydration/rehydration successfully produced mobile dwarf forms in 7/9 trials.
- Dwarf cells in toxic solution exhibited apoptosis and released a morphological replicate.
- The replicate, containing bacteria, progressively faded, dispersing bacteria.
Conclusions:
- Cell death in Stentor coeruleus, marked by apoptosis (blebbing), is followed by the separation of a visible, then fading, cell replicate.
- This process facilitates the dispersion of entrapped bacteria.
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