Identification of Fast-Evolving Genes in the Scleractinian Coral Acropora Using Comparative EST Analysis
2011

Identifying Fast-Evolving Genes in Coral

Sample size: 589 publication Evidence: moderate

Author Information

Author(s): Iguchi Akira, Shinzato Chuya, ForĂȘt Sylvain, Miller David J.

Primary Institution: University of the Ryukyus, Okinawa, Japan

Hypothesis

To identify fast-evolving genes in reef-building corals using comparative sequence analysis.

Conclusion

The study identified several candidate genes under positive selection in the coral Acropora, suggesting their roles in adaptive evolution.

Supporting Evidence

  • The study compared 589 independent sequences from two Acropora species.
  • 196 putative homologues were identified with high amino acid similarities.
  • 39 homologous pairs exhibited dN/dS ratios significantly less than 1, indicating purifying selection.

Takeaway

Scientists looked at the genes of corals to find which ones change quickly, helping us understand how corals adapt to their environment.

Methodology

The study used comparative sequence analysis of expressed sequence tag (EST) datasets from two Acropora species.

Limitations

The study may not account for all genetic variations due to the incomplete nature of the public EST dataset for A. millepora.

Statistical Information

P-Value

0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0020140

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