Transferrin Genes in Atlantic Cod and Their Evolution
Author Information
Author(s): Øivind Andersen, Maria Cristina De Rosa, Davide Pirolli, Ave Tooming-Klunderud, Petra E. Petersen, Carl André
Primary Institution: Nofima Marin
Hypothesis
The study investigates the polymorphism and selection of transferrin genes in Atlantic cod and their evolutionary significance.
Conclusion
The study provides evidence for positive selection and local adaptation in Atlantic cod populations based on transferrin gene polymorphisms.
Supporting Evidence
- The Atlantic cod genome contains two tandem duplicated transferrin genes.
- Polymorphisms in cod transferrin genes were linked to local adaptation.
- Evidence of positive selection was indicated by a high dN/dS ratio.
Takeaway
Scientists studied genes in cod fish that help them fight infections and found that different groups of cod have adapted to their environments over time.
Methodology
The study involved identifying transferrin genes in the Atlantic cod genome, analyzing SNPs across various populations, and conducting statistical analyses to assess selection.
Limitations
The study did not investigate polymorphism in cod Tf2 across different populations.
Participant Demographics
The study included Atlantic cod collected from 14 different locations across the North Atlantic.
Statistical Information
P-Value
0.0013
Statistical Significance
p = 0.0013
Digital Object Identifier (DOI)
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