How Ancient Primate Proteins Fight Retroviruses
Author Information
Author(s): David Perez-Caballero, Steven J. Soll, Paul D. Bieniasz
Primary Institution: Aaron Diamond AIDS Research Center and Laboratory of Retrovirology, The Rockefeller University
Hypothesis
Did TRIM5 and APOBEC3 proteins restrict the replication of ancient gammaretroviruses in primates?
Conclusion
The study found that while TRIM5α proteins did not significantly restrict ancient gammaretroviruses, APOBEC3 proteins were effective in inactivating them.
Supporting Evidence
- TRIM5α proteins did not significantly restrict the replication of ancient gammaretroviruses.
- APOBEC3 proteins were found to inactivate ancient gammaretroviruses effectively.
- Evidence of extensive G to A mutations in gammaretroviruses suggested APOBEC3 activity.
Takeaway
Some proteins in primates help fight off old viruses, but one type of protein didn't help against certain ancient viruses, while another type did.
Methodology
The study involved analyzing ancient retroviruses preserved in primate genomes and testing the effects of TRIM5 and APOBEC3 proteins on their replication.
Limitations
The study primarily focused on two families of gammaretroviruses and may not represent all ancient retroviruses.
Digital Object Identifier (DOI)
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