Identifying Copy Number Variants in Pigs Using SNP BeadChip
Author Information
Author(s): Yuliaxis Ramayo-Caldas, Anna Castelló, Romi N Pena, Estefania Alves, Anna Mercadé, Carla A Souza, Ana I Fernández, Miguel Pérez-Enciso, Josep M Folch
Primary Institution: Departament de Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona
Hypothesis
Can we identify copy number variation regions in the porcine genome using whole genome SNP genotyping chips?
Conclusion
The study successfully identified 49 copy number variant regions in pigs, demonstrating the effectiveness of the Porcine SNP60 BeadChip for detecting genetic variability.
Supporting Evidence
- A total of 49 CNVRs were identified in 55 animals from an Iberian x Landrace cross.
- Five out of seven analyzed CNVRs were validated by real-time quantitative PCR.
- All initially detected CNVRs were segregating in the IBMAP cross and 41 were also detected in American pig populations.
Takeaway
Researchers found different parts of pig DNA that can be copied more than once, which helps us understand pig genetics better.
Methodology
The study analyzed data from the Porcine SNP60 BeadChip using three different programs to identify copy number variant regions.
Limitations
The number of detected CNVRs is likely an underestimate due to the wide intervals between SNPs on the BeadChip.
Participant Demographics
The study included 560 pigs, with 427 from an Iberian x Landrace cross and 133 from various geographical origins.
Digital Object Identifier (DOI)
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