Analysis of the EIAV Rev-Responsive Element (RRE) Reveals a Conserved RNA Motif Required for High Affinity Rev Binding in Both HIV-1 and EIAV
2008

Study of RNA Structure in EIAV and HIV-1

publication Evidence: moderate

Author Information

Author(s): Lee Jae-Hyung, Culver Gloria, Carpenter Susan, Dobbs Drena

Primary Institution: Iowa State University

Hypothesis

The study investigates the secondary structure of the EIAV Rev-Responsive Element (RRE) and its interactions with the Rev protein.

Conclusion

The study provides evidence that high affinity Rev binding sites of HIV-1 and EIAV share a conserved RNA structural motif.

Supporting Evidence

  • The study confirmed the presence of several predicted loop and stem-loop structures in the EIAV RRE.
  • Footprinting experiments revealed that Rev binding induces significant structural rearrangement in conserved domains.
  • Computational analyses identified an RNA secondary structural motif within the high affinity Rev-binding sites of both HIV-1 and EIAV.

Takeaway

This study looks at how a specific part of a virus's RNA helps it interact with a protein that is important for the virus's life cycle, and finds that this part is similar in two different viruses.

Methodology

The study used computational predictions and detailed chemical probing and footprinting experiments to analyze the RNA secondary structure of EIAV RRE.

Digital Object Identifier (DOI)

10.1371/journal.pone.0002272

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