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Updated: Jun 10, 2026
09:38
Identification of Nucleolar Factors During HIV-1 Replication Through Rev Immunoprecipitation and Mass Spectrometry
Published on: June 26, 2019
Nucleolar proteomics and viral infection.
Julian A Hiscox1, Adrian Whitehouse, David A Matthews
1Institute of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, UK.
Proteomics
|July 28, 2010
Summary
The nucleolus, a key cell component, plays a vital role in various cellular functions and is targeted by viruses to enhance replication. High-throughput proteomics reveals its function during viral infections.
Area of Science:
- Cell Biology
- Virology
- Proteomics
Background:
- The nucleolus is increasingly recognized for its roles beyond ribosome biogenesis, including cell cycle regulation, stress response, and innate immunity.
- Viruses exploit the nucleolus by sequestering host proteins or directing viral proteins there to promote replication.
Purpose of the Study:
- To review the multifaceted roles of the nucleolus in eukaryotic cells.
- To explore how viruses specifically target the nucleolus for replication.
- To discuss recent advances in high-throughput quantitative proteomics for studying the nucleolus during viral infections.
Main Methods:
- Integration of advanced proteomics with traditional nucleoli isolation techniques from mammalian and plant cells.
- Review of existing literature on nucleolar function and viral interactions.
- Application of high-throughput quantitative proteomics to analyze virus-infected cells.
Main Results:
- Confirms the nucleolus's extensive involvement in diverse cellular processes.
- Highlights the strategic targeting of the nucleolus by various viruses.
- Demonstrates the utility of quantitative proteomics in dissecting nucleolus-virus interactions.
Conclusions:
- The nucleolus is a critical cellular hub exploited by viruses.
- High-throughput proteomics offers powerful insights into the nucleolus's role in viral pathogenesis.
- Further research into nucleolus-virus interactions may yield novel antiviral strategies.
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