Evolution of C2H2-zinc finger genes and subfamilies in mammals: Species-specific duplication and loss of clusters, genes and effector domains
2008

Evolution of C2H2-zinc finger genes in mammals

Sample size: 718 publication Evidence: high

Author Information

Author(s): Tadepally Hamsa D, Burger Gertraud, Aubry Muriel

Primary Institution: Université de Montreal

Hypothesis

The study investigates the evolution of C2H2-zinc finger genes and their subfamilies in mammals, focusing on species-specific duplication and loss.

Conclusion

The study proposes a new model for the evolution of C2H2-ZNF gene subfamilies, highlighting the interdependent evolution of these genes in mammals.

Supporting Evidence

  • The study identified 718 C2H2-ZNF genes in humans, with 70% organized into clusters.
  • Phylogenetic analysis revealed that gene repertoires across mammals vary due to both gene duplication and loss.
  • The research suggests that the SCAN subfamily emerged before the KRAB subfamily.

Takeaway

Scientists studied a group of genes that help control how other genes work in mammals, finding that these genes change a lot between different species.

Methodology

The study involved assembling a comprehensive catalogue of C2H2-ZNF genes in humans and comparing them with syntenic counterparts in other mammals.

Limitations

The study may be limited by the availability of complete genome data for all mammals.

Digital Object Identifier (DOI)

10.1186/1471-2148-8-176

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