The Ebola virus VP35 protein is a suppressor of RNA silencing
2007

Ebola Virus VP35 Protein Suppresses RNA Silencing

publication Evidence: moderate

Author Information

Author(s): Joost Haasnoot, Walter de Vries, Ernst-Jan Geutjes, Marcel Prins, Peter de Haan, Ben Berkhout

Primary Institution: Academic Medical Center of the University of Amsterdam

Hypothesis

The Ebola virus VP35 protein acts as a suppressor of RNA interference (RNAi) in mammalian cells.

Conclusion

The study demonstrates that the Ebola virus VP35 protein can suppress RNAi, which is part of the innate antiviral response in mammals.

Supporting Evidence

  • The VP35 protein was shown to restore luciferase expression in RNAi assays.
  • VP35's dsRNA-binding domain is essential for its RNAi suppression activity.
  • The study indicates that RNAi suppression is critical for HIV-1 replication.

Takeaway

The Ebola virus has a protein that helps it avoid being attacked by the body's defenses, allowing it to replicate better.

Methodology

The researchers used co-transfection assays in HEK293T and Vero cells to assess the RNAi suppression activity of the VP35 protein.

Limitations

The study primarily focuses on in vitro experiments, which may not fully represent in vivo conditions.

Digital Object Identifier (DOI)

10.1371/journal.ppat.0030086

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