The metazoan history of the COE transcription factors. Selection of a variant HLH motif by mandatory inclusion of a duplicated exon in vertebrates
2008

Evolution of COE Transcription Factors in Metazoans

publication Evidence: high

Author Information

Author(s): Daburon Virginie, Mella Sébastien, Plouhinec Jean-Louis, Mazan Sylvie, Crozatier Michèle, Vincent Alain

Primary Institution: Centre de Biologie du Développement, UMR 5547 and IFR 109 CNRS/UPS

Hypothesis

What is the evolutionary history of the COE transcription factors in metazoans?

Conclusion

The study reveals that the COE gene family has a conserved structure throughout metazoan evolution, with a notable exon duplication in vertebrates.

Supporting Evidence

  • COE proteins have a modular organization with conserved domains.
  • An ancestral COE DBD was built from multiple exons.
  • Vertebrates have a unique duplication of the H2 helix in COE proteins.

Takeaway

Scientists studied a family of genes called COE that help control how other genes work. They found that these genes have changed a little in different animals, especially in vertebrates.

Methodology

The study involved genomic comparisons and phylogenetic analyses of COE genes across various metazoan species.

Digital Object Identifier (DOI)

10.1186/1471-2148-8-131

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