Article
NSR1 is required for pre-rRNA processing and for the proper maintenance of steady-state levels of ribosomal subunits.
Molecular and cellular biology - 1 Sept 1992
Lee W C, Zabetakis D, Mélèse T
Abstract excerpt
NSR1 is a yeast nuclear localization sequence-binding protein showing striking similarity in its domain structure to nucleolin. Cells lacking NSR1 are viable but have a severe growth defect. We show here that NSR1, like nucleolin, is involved in ribosome biogenesis. The nsr1 mutant is deficient in pre-rRNA processing such that the initial 35S pre-rRNA processing is blocked and 20S pre-rRNA is nearly absent. The...
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