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Center for Research in Biological Systems
University of California, San Diego
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Search Results for
Macronucleus organization
(107 results)
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CIL:25301
NCBI Organism Classification
uncultured Scuticociliatia
Biological Process
cytoplasm organization
Cellular Component
macronucleus
Ancistrum is a marine ciliate that inhabits the mantle cavity of mytiliid mussels. This image is a slightly higher resolution scan of CIL:24921 that shows a good view of the macronucleus and what are ...
CIL:36260
NCBI Organism Classification
Vorticella convallaria
Biological Process
micronucleus organization
Cellular Component
micronucleus
Like other ciliates two types of nuclei are present. A germinative micronucleus and a RNA-producing macronucleus. Both have nuclear envelopes with pores and both have ribosomes attached to their outer...
CIL:36659
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
nucleolus organization
Cellular Component
macronucleus
The appearance of the macronucleus depends on the stage of the cell, whether the cell is in early, middle or late growth phase or is in stationary phase or whether the cell is dividing by mitosis or i...
CIL:25691
NCBI Organism Classification
Trichodina
Biological Process
response to symbiont
Cellular Component
symbiont-containing vacuole
A view of the cytoplasm of a green Trichodina that lives on the surface of a freshwater snail collected in central Illinois. In this view the 10 endosymbiotic bacteria are evident as well as an endosy...
CIL:9825
NCBI Organism Classification
Opercularia [NCBITaxon:168247]
Biological Process
macronucleus organization
Cellular Component
macronucleus
The peristome is covered on one side by the oral cilia and on the opposite by the ribbed wall. Lamellae from the ribbed wall extend into the nascent food vacuole forming region, the cytopharynx. This ...
CIL:9823
NCBI Organism Classification
Opercularia [NCBITaxon:168247]
Biological Process
macronucleus organization
Cellular Component
macronucleus
Opercularia is named for a ciliated flap (operculum) that is adoral to the opening to the oral region. However, this operculum is pulled back into the body when the myonemes are fully contracted as in...
CIL:9849
NCBI Organism Classification
Paramecium tetraurelia
Biological Process
microtubule cytoskeleton organization
Cellular Component
oral apparatus
Bundles of microtubules arise from along the elaborately woven blanket of the filamentous reticulum that covers the ribbed wall of the right side of the buccal cavity. A bundle forms beneath the botto...
CIL:38685
NCBI Organism Classification
Paramecium tetraurelia
Biological Process
microtubule cytoskeleton organization
Cellular Component
cell cortex
High resolution view of the bundles of microtubules that arise from along the elaborately woven blanket of the filamentous reticulum that covers the ribbed wall of the right side of the buccal cavity....
CIL:36663
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
macronucleus organization
Cellular Component
macronucleus
In one experiment in which electric shock was applied to Paramecium cells to trigger trichocyst discharge the macronucleus in one cell was observed to undergo morphological changes of two types. First...
CIL:9859
NCBI Organism Classification
Paramecium tetraurelia
Biological Process
nuclear division
Cellular Component
macronucleus
The macronucleus contains microtubules that lie inside a seemingly intact nuclear envelope. Microtubules orient along the axis of macronuclear elongation in the form of small bundles. The section is i...
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