Evolutionary History of the UCP Gene Family
Author Information
Author(s): Hughes Joseph, Criscuolo Francois
Primary Institution: University of Glasgow
Hypothesis
What is the evolutionary history of the UCP gene family and how have selection pressures changed following duplications?
Conclusion
The UCP gene family has evolved through duplications followed by strong purifying selection, with one site undergoing positive selection.
Supporting Evidence
- Phylogenetic analysis identified two duplications early in vertebrate evolution.
- UCP genes are under strong purifying selection with one site showing positive selection.
- UCP1 and UCP2 were independently lost from the avian lineage.
Takeaway
Scientists studied a family of genes that help animals regulate their body temperature and found that these genes have changed over time, but most parts of them have stayed the same.
Methodology
Phylogenetic analysis using sequence similarity searches and multiple alignments to study the evolutionary history of UCP genes.
Limitations
Further genomic data is required to confirm the presence of UCP genes in certain species and to better understand the timing of duplications.
Digital Object Identifier (DOI)
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