Image / CIL:21714, Paramecium multimicronucleatum, cell by organism, eukaryotic cell, Eukaryotic Protist, Ciliated Protist

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Title: CIL:21714, Paramecium multimicronucleatum, cell by organism, eukaryotic cell, Eukaryotic Protist, Ciliated Protist
Creator: Allen, Richard
Schroeder, C
Contributor: Allen, Richard
Schroeder, C.
Date Created and/or Issued: 2021
Contributing Institution: UC San Diego, Research Data Curation Program
Collection: Cell Image Library
Rights Information: Under copyright
Constraint(s) on Use: This work is protected by the U.S. Copyright Law (Title 17, U.S.C.). Use of this work beyond that allowed by "fair use" or any license applied to this work requires written permission of the copyright holder(s). Responsibility for obtaining permissions and any use and distribution of this work rests exclusively with the user and not the UC San Diego Library. Inquiries can be made to the UC San Diego Library program having custody of the work.
Use: This work is available from the UC San Diego Library. This digital copy of the work is intended to support research, teaching, and private study.
Rights Holder and Contact: UC Regents
Description: Quick-freeze deep-etch image of two decorated tubules with helically wound subunits on their cytosolic surfaces. Each step in a helical turn appears to be formed of three dyads lying side by side across the row. Each dyad appears to be independent with the other two dyads at each step. Thus each helical row apparently consists of a long series of three dyads lying end to end rather than two rows of subunits. This accounts for the three lines per helix observed in some studies (McKanna, J. Ultrastruct. Res. 54:1-10, 1976. Following the tubules downward in this picture the fracture exposes the inside of one tubule and IMPs exposed here may represent the luminal transmembrane extensions of their much larger heads that appear on the cytosolic surface of the tubule. Additionally, a filled collecting canal lies near the decorated tubules with its P-fracture face exposed that is studded with IMPs. A row of indentations leading to openings to the smooth spongiome and holes in a second row are visible. IMPs appear to have different diameters on this P-face and some are organized into rows. The content of the collecting canal lumen has a uniquely etched pattern distinguishing it from other vacuoles and the cytosol. Adapted with permission from the Journal of Cell Science. TEM taken on 6/22/88 by C. Schroeder with Zeiss 10A operating at 60kV. Neg. 31,500X. Bar = 0.2µm. A print of the negative was scanned and processed in Photoshop. This image is best used for qualitative analysis. A high resolution image (CIL:13120) is available for quantitative analysis. Additional information available at (http://www5.pbrc.hawaii.edu/allen/).
Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)
Allen, Richard; Schroeder, C. (2021). CIL:21714, 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/J0X065TX
Type: image
Identifier: ark:/20775/bb4648332r
Language: No linguistic content
Subject: Contractile vacuole organization
Cytoplasm organization
Ciliated Protist
Eukaryotic cell
Eukaryotic Protist
Cell by organism
Cytoplasm
Contractile vacuole
Paramecium multimicronucleatum
Cell Image Library Group ID: 6999

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