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nucleolar organizing region

Regions where the nucleus reforms after mitosis. Clusters of ribosomal RNA genes may be found. Antigens recognized by autoantibodies in scleroderma may be found within this region including Scl-70, fibrillarin, RNA polymerase I & NOR-90.

Related

nucleolar transcription factor 1; autoantigen NOR-90; upstream-binding factor 1; UBF-1 (UBTF, UBF, UBF1) nucleolus scleroderma (diffuse cutaneous systemic sclerosis)

General

organelle

Properties


References

Clinical Diagnosis & Management by Laboratory Methods, 19th edition, J.B. Henry (ed), W.B. Saunders Co., Philadelphia, PA. 1996, pg 1019

Component-of

cell nucleus