CIL:9692, Paramecium multimicronucleatum, eukaryotic cell, Eukaryotic Protist, Ciliated Protist
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- Cite This Work
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Tani, Tomomi; Allen, Richard (2021). CIL:9692, Paramecium multimicronucleatum, eukaryotic cell, Eukaryotic Protist, Ciliated Protist. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0Z0378R
- Description
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Paramecium multimicronucleatum - Video of the Contractile Vacuole Complex. In vivo CVC filling/expulsion cycles. A CV in a compressed cell is observed in side view undergoing cycles of filling (diastole) and expulsion (systole) of its fluid content as the CV membrane fuses then separates from the plasma membrane and with one radial arm. The radial arm fuses with the CV after systole then just before systole it again separates from the CV. As the CV empties fluid will flow into the end of the radial arm next to the CV that is called the ampullus. This fluid comes from the collecting canal of the same radial arm. There are actually 5 to 10 radial arms connected to one CV but the others are out of the focus plane or out of the field of focus. Movies were taken by Dr. Tomomi Tani with differential interference contrast optics attached to a Leica DMIRB inverted microscope. A Leica Fluotar x63 objective lens (NA = 0.7) was used. A DVD resolution version of this is available at CIL:10411.
- Date Issued
- 2021
- Researchers
- Technical Details
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Preparation: living tissue
Relation to intact cell: compressed living tissue
Item type: microscopy; modes of light microscopy
Imaging mode: differential interference contrast microscopy
Parameter imaged: refractive index
Source of contrast: boundaries between regions with different refractive index
Visualization methods: miscellaneous fill
Processing history: film; unprocessed raw data - Series
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- Identifier
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Samplenumber: 9692
- Related Resources
- Source Record in the Cell Image Library: https://doi.org/10.7295/W9CIL9692
- PubMed article: https://www.ncbi.nlm.nih.gov/pubmed/?term=10607534
- Tani T, Allen RD, Naitoh Y. Periodic tension development in the membrane of the in vitro contractile vacuole of Paramecium multimicronucleatum: modification by bisection, fusion and suction. J Exp Biol. 2000 Jan;203(Pt 2):239-51. https://doi.org/10.1242/jeb.203.2.239
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Creative Commons Public Domain Dedication
Use: The person(s) who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.
Constraint(s) on Use: This work may be used without prior permission.
- Digital Object Made Available By
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Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)
- Last Modified
2022-08-12