Emergence of Xin Demarcates a Key Innovation in Heart Evolution
2008

Evolution of Xin Proteins and Their Role in Heart Development

publication 10 minutes Evidence: high

Author Information

Author(s): Shaun E. Grosskurth, Debashish Bhattacharya, Qinchuan Wang, Jim Jung-Ching Lin

Primary Institution: Department of Biology, University of Iowa, Iowa City, Iowa, United States of America

Hypothesis

What is the evolutionary relationship between Xin proteins and their role in heart development?

Conclusion

The study concludes that the emergence of Xin proteins played a key role in the evolutionary development of the heart.

Supporting Evidence

  • The study shows that Xin proteins are conserved across various vertebrates.
  • Xin proteins localize to the intercalated discs in the heart, suggesting a critical role in cardiac function.
  • Loss of mXinα in mice leads to significant cardiac defects, indicating its importance in heart development.

Takeaway

Xin proteins help the heart develop properly, and they have been around for a very long time, even before some fish appeared.

Methodology

Phylogenetic analysis of Xin proteins was conducted using sequence data from various vertebrates.

Limitations

The study primarily focuses on vertebrate Xin proteins and may not account for all evolutionary aspects.

Statistical Information

P-Value

p<0.000

Statistical Significance

p<0.000

Digital Object Identifier (DOI)

10.1371/journal.pone.0002857

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication