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Center for Research in Biological Systems
University of California, San Diego
9500 Gilman Drive
La Jolla, CA 92093-0608, USA
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Search Results for
Chromatin organization
(257 results)
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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:10987
NCBI Organism Classification
Unspecified
Biological Process
nucleus organization
Cellular Component
nucleus
Transmission electron micrograph of glutaraldehyde fixed pancreatic acinar cell showing the characteristic features of nuclear chromatin with this preparative method. Darkly staining heterochromatin (...
CIL:777
NCBI Organism Classification
Patiria miniata
Biological Process
fertilization
Cellular Component
nuclear chromatin
Phosphorus has a characteristic electron energy loss with an edge at 160 eV. The Zeiss 902 electron microscope permits images to be recorded at different energy losses which can be digitized and proce...
CIL:39733
NCBI Organism Classification
none specified
Biological Process
chromatin organization
Cellular Component
chromatin
EM images of chromatin fibers reconstituted from tandem arrays of a strong nucleosome positioning sequence flanked by 'linker' DNA, creating fibers containing 22 nucleosomes and a nucleosome repeat l...
CIL:775
NCBI Organism Classification
Patiria miniata
Biological Process
fertilization
Cellular Component
nuclear chromatin
Phosphorus has a characteristic electron energy loss with an edge at 160 eV. The Zeiss 902 electron microscope permits images to be recorded at different energy losses which can be digitized and proce...
CIL:778
NCBI Organism Classification
Patiria miniata
Biological Process
fertilization
Cellular Component
nuclear chromatin
Phosphorus has a characteristic electron energy loss with an edge at 160 eV. The Zeiss 902 electron microscope permits images to be recorded at different energy losses which can be digitized and proce...
CIL:709
NCBI Organism Classification
Gallus gallus
Biological Process
DNA packaging
Cellular Component
chromatin
TEM image showing the basic nucleosomal organization of eukaryotic chromatin. Beaded chains of nucleosomes separated by linker DNA are seen emanating from a central mass of less dispersed chromatin.
CIL:436
NCBI Organism Classification
Patiria miniata
Biological Process
reproduction
Cellular Component
male germ cell nucleus
Transmission electron micrograph of unstained cryo-section of a sperm cell of the starfish Patiria miniata. Echinoderm sperm nuclei are unusual in that chromatin fibers are clearly seen, allowing the...
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...
CIL:700
NCBI Organism Classification
Necturus maculosus
Biological Process
chromatin assembly
Cellular Component
nuclear chromatin
X-ray scattering shows that the nucleated erythrocytes of the amphibian Necturus maculosus (Mud Puppy) contain more ordered chromatin than most nuclei. Here, fibers isolated from these nuclei have bee...
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