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The ordered and organized complex of DNA and protein that forms the chromosome in the nucleus. Any constituent part of a nuclear chromosome, a chromosome found in the nucleus of a eukaryotic cell. Any constituent part of the nucleus, a membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. Any of the tandem arrays of rDNA localized at the periphery of the nucleus and protruding into the nucleolus, and associated proteins. May be visible as a single or double spot by DAPI staining. The portion of nuclear chromatin associated with the nucleolus; includes the DNA encoding the ribosomal RNA. A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome. Any constituent part of a chromosome, a structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information. A chromosome found in the nucleus of a eukaryotic cell. Any constituent part of a nucleolus, a small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: rDNA protrusion
Acc: GO:0030875
Aspect: Cellular Component
Desc: Any of the tandem arrays of rDNA localized at the periphery of the nucleus and protruding into the nucleolus, and associated proteins. May be visible as a single or double spot by DAPI staining.
Synonyms:
  • ribosomal DNA protrusion
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 0


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0030875 - rDNA protrusion (interactive image map)
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Created and Maintained by: Michael Riffle