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Structure and functions of nucleolin.

H Ginisty¹, H Sicard, B Roger

¹Laboratoire de Biologie Moléculaire Eucaryote, Institut de Biologie Cellulaire et de Génétique du CNRS, UPR 9006, 31062 Toulouse Cedex, France.

Journal of Cell Science

|February 26, 1999

Summary

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Nucleolin is a key protein involved in ribosome biogenesis. This research highlights its crucial role in multiple steps of this essential cellular process.

Area of Science:

Molecular Biology
Cell Biology
Biochemistry

Background:

Nucleolin is a highly abundant nucleolar protein found across diverse organisms.
It possesses structural domains enabling interactions with proteins and RNA.
Nucleolin is linked to critical cellular functions including chromatin organization and nucleo-cytoplasmic transport.

Purpose of the Study:

To elucidate the multifaceted role of nucleolin in ribosome biogenesis.
To emphasize the significance of nucleolin in the integrated process of ribosome synthesis.

Main Methods:

Literature review and analysis of existing studies on nucleolin.
Examination of nucleolin's interactions with protein and RNA components.
Investigation of nucleolin's involvement in various stages of rRNA processing and ribosome assembly.

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Main Results:

Nucleolin participates in multiple critical steps of ribosome biogenesis.
Its structural versatility facilitates interactions essential for ribosome synthesis.
Evidence suggests a central role for nucleolin in coordinating ribosome production.

Conclusions:

Nucleolin plays a pivotal and multifaceted role in ribosome biogenesis.
Understanding nucleolin's function is key to comprehending ribosome synthesis.
Further research into nucleolin's mechanisms can offer insights into cellular regulation.