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Center for Research in Biological Systems
University of California, San Diego
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Search Results for
paramecium macronucleus
(21 results)
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CIL:1310
NCBI Organism Classification
Paramecium tetraurelia
Biological Process
macronucleus organization
Cellular Component
macronucleus
High resolution image of the macronucleus which contains microtubules that lie inside a seemingly intact nuclear envelope. Microtubules orient along the axis of macronuclear elongation in the form of ...
CIL:36660
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
nucleolar fragmentation involved in replicative aging
Cellular Component
macronucleus
An extreme example of peeling of the surface of nucleoli in which long threads unravel from the nucleoli. TEM taken on 5/27/82 by R. Allen with Hitachi HU11A operating at 75kV. Neg. 14,250X. Bar = 0.2...
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:12075
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:1313
NCBI Organism Classification
Paramecium tetraurelia
Biological Process
nuclear division
Cellular Component
macronucleus
High resolution image of the dividing macronucleus shows it may be porous to microtubules. Segments of microtubules are found both outside and inside the nuclear envelope in this figure although one c...
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:9858
NCBI Organism Classification
Paramecium tetraurelia
Biological Process
nuclear division
Cellular Component
macronucleus
The dividing macronucleus may be porous to microtubules. Segments of microtubules are found both outside and inside the nuclear envelope in this figure although one cannot follow a single microtubule ...
CIL:39156
NCBI Organism Classification
Paramecium caudatum
Biological Process
oral apparatus organization
Cellular Component
oral apparatus
Cross section through the more anterior part of the oral region showing the four more loosely spaced rows of cilia making up the quadrulus and more compact cilia of the peniculi on the left hand wall ...
CIL:36665
NCBI Organism Classification
Paramecium multimicronucleatum
Biological Process
detection of symbiont
Cellular Component
symbiont-containing vacuole membrane
The first culture of P. multimicronucleatum which I had obtained from Carolina Biological Supply House contained a bacterial endosymbiont that resided specifically in the space between the two membran...
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