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Reference: Tschochner H and Hurt E (2003) Pre-ribosomes on the road from the nucleolus to the cytoplasm. Trends Cell Biol 13(5):255-63

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Abstract

Eukaryotic ribosomes are assembled in the nucleolus before export to the cytoplasm. Ribosome formation is a highly dynamic and coordinated multistep process, which requires synthesis, processing and modification of pre-rRNAs, assembly with ribosomal proteins and transient interaction of numerous non-ribosomal factors with the evolving pre-ribosomal particles. In the past two years, exciting insights into the sequential events occurring during pre-ribosome formation have been obtained, thanks largely to the advances in proteomic analyses. We now have a first biochemical map of the earliest 90S pre-ribosomes and of their daughter pre-40S and pre-60S ribosomal subunits along their path from the nucleolus to the cytoplasm. The future challenge will be to assign functions to the more than 150 non-ribosomal factors that transiently associate with the developing pre-ribosomes.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't | Review
Authors
Tschochner H, Hurt E
Review For
SSF2 | CIC1 | SSF1 | MAK21 | MTR2 | LSG1 | RRP8 | RRP5 | NUG1 | RPL11B | NOP7 | ... Show all