CIL:36721, Paramecium multimicronucleatum, cell by organism, eukaryotic cell, Eukaryotic Protist, Ciliated Protist
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- Collection
- Cite This Work
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Allen, Richard (2021). CIL:36721, Paramecium multimicronucleatum, cell by organism, eukaryotic cell, Eukaryotic Protist, Ciliated Protist. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0HD7TJ0
- Description
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A mAb, B25-1-3, was raised to antigen Q2 (arbitrary code) to the same set of membranes as mAb 132-F4-G6 labels. This mAb was more reactive on frozen sections. To tell the age of vacuoles, cells were exposed to latex beads for 2.5 minutes and then washed free of the beads (0.5 min) and then chased in bead-free buffer for a known time before fixing. In this image the labeled phagosome is a DV-I as it contained 1.1µm beads that were present in the medium for the 3 minutes before the cells were fixed. Some vesicles in the cytosol are also labeled but there is very little nonspecific label over the general cytosol or the contents of the vacuole. TEM taken 10/24/92 by R. Allen with Zeiss 10A operating at 80kV. Neg. 19,800X. Bar = 0.2µm.
- Date Issued
- 2021
- Researcher
- Methods
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To label membranes inside the cell we used very lightly fixed cells (0.25% glutaraldehyde) that were then rapidly frozen in liquid nitrogen and sectioned later at -100oC. These frozen sections were picked up on drops of methylcellulose and transferred to a Formvar-supported grid. The sections were immunogold labeled (15nm gold) to show the location of the specific antigen inside the cell as well as on the cell surface. Microtome sections prepared at approximately 75nm thickness. The negative was printed to paper and the image was scanned to Photoshop. This digitized image is available for qualitative analysis. Additional information available at (http://www5.pbrc.hawaii.edu/allen/).
- Technical Details
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Preparation: glutaraldehyde fixed tissue; tissue in vitreous ice embedment; microtome-sectioned tissue; monoclonal antibodies
Relation to intact cell: microtome-sectioned tissue
Item type: transmission electron microscopy (TEM); illumination by electrons
Imaging mode: detection of electrons; film
Parameter imaged: electron density; intrinsic mass distribution
Source of contrast: stain with broad specificity
Visualization methods: stain with broad specificity; gold; uranyl salt
Processing history: recorded image; film; Print from negative scanned for Photoshop.
Data qualification: Processed - Scientific Name
- Anatomy
- Topic
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- Language
- No linguistic content; Not applicable
- Identifier
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Samplenumber: 36721
- Related Resource
- Source Record in the Cell Image Library: https://doi.org/10.7295/W9CIL36721
Source data
- License
- Copyright
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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