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Description
In order to study all stages of DVs in the same cell we used a protocol of sequentially exposing cells to different sizes of latex beads interspersed with washes: for example, 3 minutes in 0.1µm beads, wash 3 min, 3 minutes in 0.3µm beads, wash 3 min, 3 minutes in 0.6µm beads, wash 3 min, 3 minutes in 0.8µm beads, wash 3 min and finally 3 minutes in 1.1µm beads followed by fixing the cells. Thus the 1.1, 0.8, 0.6, 0.3 and 0.1µm bead-containing vacuoles will be 0-3 min, 6-9 min, 12-15 min, 18-21 min and 24-27 minutes old, respectively. The electron micrograph shown here was of a DV-II that was surrounded with docked secondary lysosomes. Secondary lysosomes only recognize and dock at the DV-II membrane. They do not dock with DV-I or DV-III vacuoles. TEM taken on 2/27/81 by R. Allen with Hitachi HU11A operating at 75kV. Neg. 7,000X. Bar = 0.5µm. Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp) Allen, Richard (2021). CIL:36736, 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/J0V123QZ
Type
image
Identifier
ark:/20775/bb15431593
Language
No linguistic content
Subject
Digestive system process Ciliated Protist Eukaryotic Protist Secondary lysosome Food vacuole Eukaryotic cell Cell by organism Paramecium multimicronucleatum
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