Identification of expression QTL (eQTL) of genes expressed in porcine M. longissimus dorsi and associated with meat quality traits
2010

Identifying Genes Linked to Meat Quality in Pigs

Sample size: 74 publication Evidence: moderate

Author Information

Author(s): Ponsuksili Siriluck, Murani Eduard, Schwerin Manfred, Schellander Karl, Wimmers Klaus

Primary Institution: Leibniz Institute for Farm Animal Biology

Hypothesis

Can expression QTL (eQTL) be identified for genes associated with meat quality traits in pigs?

Conclusion

The study successfully integrated expression profiling with QTL analysis to identify candidate genes related to meat quality traits in pigs.

Supporting Evidence

  • The study identified 9,180 eQTL at a suggestive significance threshold.
  • Out of 653 putative cis-eQTL, 262 transcripts were correlated with at least one meat quality trait.
  • The research integrated genetic mapping with expression data to prioritize candidate genes.

Takeaway

Researchers looked at pig genes to find out which ones affect meat quality, helping to improve how we breed pigs for better meat.

Methodology

The study used microarray analysis to assess gene expression in muscle samples from 74 F2 pigs and performed linkage analysis to map eQTL.

Limitations

The resolution of genetic maps may limit the identification of true cis-eQTL due to the number of markers and animals used.

Participant Demographics

F2 pigs from a resource population derived from Duroc and Pietrain breeds.

Statistical Information

P-Value

p ≤ 0.05

Statistical Significance

p ≤ 0.05

Digital Object Identifier (DOI)

10.1186/1471-2164-11-572

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication