Rapid Evolution of Coral Proteins
Author Information
Author(s): Voolstra Christian R., Sunagawa Shinichi, Matz Mikhail V., Bayer Till, Aranda Manuel, Buschiazzo Emmanuel, DeSalvo Michael K., Lindquist Erika, Szmant Alina M., Coffroth Mary Alice, Medina Mónica
Primary Institution: King Abdullah University of Science and Technology (KAUST)
Hypothesis
The study investigates the extent of adaptive evolution in coral proteins and identifies genes under positive selection.
Conclusion
The study reveals that a significant portion of coral proteins may be under positive selection, particularly those that are taxonomically restricted.
Supporting Evidence
- 7% of the orthologs analyzed showed elevated rates of evolution.
- Taxonomically-restricted genes displayed a positive selection signature more frequently than conserved genes.
- Proteins involved in immunity, defense, and reproduction showed significant evolutionary rates.
Takeaway
Corals are changing quickly to survive in warmer oceans, and some of their proteins are evolving faster to help them adapt.
Methodology
The study screened 2,604 putative orthologs from coral species to analyze evolutionary rates and identify proteins under positive selection.
Limitations
The study does not conclusively prove positive selection for all identified genes, as some elevated rates could result from relaxed selective constraints.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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