Genetic Variants in the PPARD Gene and Their Impact on Pig Backfat Thickness
Author Information
Author(s): Karina Meidtner, Hermann Schwarzenbacher, Maren Scharfe, Simone Severitt, Helmut Blöcker, Ruedi Fries
Primary Institution: Technical University of Munich
Hypothesis
The PPARD gene is associated with backfat thickness in pigs.
Conclusion
The study found significant associations between PPARD haplotypes and backfat thickness, suggesting a genetic influence on this trait.
Supporting Evidence
- Haplotype 5 is associated with increased backfat in F2 Mangalitsa × Piétrain pigs.
- Haplotype 4 is associated with lower backfat thickness in the German Landrace population.
- PPARD mRNA levels are significantly increased by haplotype 4 and decreased by haplotype 5.
Takeaway
This study looked at a gene in pigs that might affect how much fat they have. They found that some versions of this gene are linked to thicker backfat.
Methodology
The study involved screening the PPARD gene for polymorphisms and conducting association studies with identified variants in different pig populations.
Limitations
The study could not determine if the associations were due to PPARD or a neighboring gene due to the lack of functional variants identified.
Participant Demographics
The study involved different pig breeds, including Mangalitsa, Piétrain, and German Landrace.
Statistical Information
P-Value
0.022
Statistical Significance
p = 0.022
Digital Object Identifier (DOI)
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