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Search Results for chromatin
(270 results)

CIL:126
NCBI Organism Classification
Gallus gallus gallus
Biological Process
chromatin assembly
Cellular Component
chromosome, telomeric region
Telomeres isolated from chicken erythrocyte nuclei following restriction endonuclease treatment, and imaged by transmission EM after uranyl acetate negative staining. Specimen was also labeled with im...
image is part of a group
CIL:39744
NCBI Organism Classification
Mus musculus
Biological Process
photoreception
Cellular Component
nucleus
Surface rendered models of chromatin organization from tomogram derived from a TEM image of epon section of a freeze-substituted mouse retina. (C) shows the region boxed in CIL:39743 where 4 regions o...
image is part of a group
CIL:39731
NCBI Organism Classification
Gallus gallus gallus
Biological Process
DNA packaging
Cellular Component
chromatin
TEM image of frozen hydrated soluble chromatin isolated from chicken erythrocyte nuclei and vitrified in low salt. Polynucleosomes adopt an irregular zigzag fiber conformation (a,b,k), and show a 'ste...
image is part of a group
CIL:11058
NCBI Organism Classification
Amphiuma tridactylum
Biological Process
nucleus organization
Cellular Component
nuclear envelope
Transmission electron micrograph of the dense fibrous nuclear lamina (here labeled 'nuclear sheath')closely adpressed to the inner membrane of the nuclear envelope(arrow)in an intestinal epithelial ce...
image is part of a group
CIL:10977
NCBI Organism Classification
Cavia porcellus
Biological Process
nucleus organization
Cellular Component
nuclear heterochromatin
Transmission electron micrograph showing the extensive accumulation of darkly stained heterochromatin at the nuclear periphery typical of many differentiated cells. Heterochromatin is excluded from re...
image is part of a group
CIL:11037
NCBI Organism Classification
Sus scrofa scrofa
Biological Process
nucleus organization
Cellular Component
nucleus
Transmission electron micrograph of Leydig cell nucleus from the domestic boar contains a region (arrow) thought to represent the single X chromosome which is largely heterochromatic. The chromosome i...
image is part of a group
CIL:39732
NCBI Organism Classification
Chlorocebus sabaeus
Biological Process
DNA packaging
Cellular Component
chromatin
TEM image of frozen hydrated soluble chromatin isolated from COS-7 cells and vitrified in 15 mM monovalent ions. The chromatin adopts an irregular zigzag fiber conformation. See Fig 2 in J Bednar et ...
image is part of a group
CIL:10976
NCBI Organism Classification
Myotis lucifugus
Biological Process
nucleus organization
Cellular Component
nucleus
Transmission electron micrograph of nucleus showing the characteristic features of glutaraldehyde fixation introduced as a primary fixative in 1962 and since used routinely. Chromatin appears differen...
image is part of a group
CIL:11828
NCBI Organism Classification
Notophthalmus viridescens
Biological Process
nucleus organization
Cellular Component
chromatin
In the upper panel, transmission electron microscopy reveals a tangled mass of ~30nm diameter nuclear chromatin fibers when the contents of the nucleus from erythrocytes of the newt Notophthalmus viri...
CIL:11043
NCBI Organism Classification
Notophthalmus viridescens
Biological Process
nucleus organization
Cellular Component
nucleolar chromatin
Transmission electron micrograph of transcription of tandemly arranged ribosomal RNA genes. Amphibian oocyte nuclei contain numerous extra-chromosomal nucleoli, each of which contains a tandem array o...
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