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Updated: May 9, 2025
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Detection of Small GTPase Prenylation and GTP Binding Using Membrane Fractionation and GTPase-linked Immunosorbent Assay
Published on: November 11, 2018
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Rho-GTPases subfamily: cellular defectors orchestrating viral infection.
Beibei Zhang1, Shuli Li1, Juntao Ding1
1Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang, China.
Cellular & Molecular Biology Letters
|May 2, 2025
Summary
Ras homolog gene family-guanosine triphosphatases (Rho-GTPases) are crucial for viral infections, aiding viral entry and replication. Understanding their role in cytoskeletal changes offers new antiviral therapy targets.
Area of Science:
- Molecular Biology
- Virology
- Cellular Biology
Background:
- Ras homolog gene family-guanosine triphosphatases (Rho-GTPases) are key regulators of cytoskeletal dynamics and cellular signaling.
- Rho-GTPases play a significant role in various cellular processes, including viral pathogenesis.
Purpose of the Study:
- To review the intricate mechanisms of Rho-GTPase involvement in viral infections.
- To elucidate how Rho-GTPases modulate viral entry, replication, and release.
- To highlight the role of Rho-GTPases in viral pathogenesis and immune response modulation.
Main Methods:
- Literature review of studies on Rho-GTPases and viral infections.
- Analysis of Rho-GTPase interactions with GEFs, GAPs, and signaling pathways (PI3K/Akt, Ras, NF-κB).
- Examination of specific viral examples like IAV, herpesviruses, HIV, and RSV.
Main Results:
- Rho-GTPases facilitate viral pathogenesis by regulating cytoskeletal reorganization, essential for viral entry and intracellular transport.
- Viruses like IAV, herpesviruses, HIV, and RSV exploit Rho-GTPase-mediated actin remodeling and membrane fusion.
- Rho-GTPases can suppress host antiviral defenses, promoting viral replication.
Conclusions:
- Rho-GTPase signaling is critical for viral pathogenesis, influencing multiple stages of the viral life cycle.
- Further research is needed to fully understand Rho-GTPase regulation during viral infections.
- Targeting Rho-GTPase signaling presents a potential strategy for developing broad-spectrum antiviral therapies.
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