Evaluation of the porcine ACSL4 gene as a candidate gene for meat quality traits in pigs

J. Corominas, Y. Ramayo-Caldas, A. Castelló, M. Muñoz, N. Ibáñez-Escriche, J. M. Folch, M. Ballester

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Abstract

Long-chain acyl-CoA synthetase (ACSL) family members catalyse the formation of long-chain acyl-CoA from fatty acid, ATP and CoA, thus playing an important role in both de novo lipid synthesis and fatty acid catabolism. Previous studies in our group evaluated ACSL4 as a positional candidate gene for quantitative trait loci located on chromosome X in an Iberian × Landrace cross. A DQ144454:c.2645G>A SNP located in the 3' untranslated region of the ACSL4 gene was associated with the percentages of oleic and monounsaturated fatty acids. The aim of the present work was to evaluate the functional implication of this genetic variant. An expression analysis was performed for 120 individuals with different genotypes for the DQ144454:c.2645G>A polymorphism using real-time quantitative PCR. Differences between genotypes were identified in liver, with the ACSL4 mRNA expression levels higher in animals with the G allele than in animals with the A allele. A SNP genome-wide association study with ACSL4 relative expression levels showed significant positions on chromosomes 6 and 12. Description of positional candidate genes for ACSL4 regulation on chromosomes 6 and 12 is provided. © 2012 The Authors, Animal Genetics © 2012 Stichting International Foundation for Animal Genetics.
Original languageEnglish
Pages (from-to)714-720
JournalAnimal Genetics
Volume43
Issue number6
DOIs
Publication statusPublished - 1 Dec 2012

Keywords

  • β-oxidation
  • ACSL4
  • fatty acid metabolism
  • genome-wide association study

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    Corominas, J., Ramayo-Caldas, Y., Castelló, A., Muñoz, M., Ibáñez-Escriche, N., Folch, J. M., & Ballester, M. (2012). Evaluation of the porcine ACSL4 gene as a candidate gene for meat quality traits in pigs. Animal Genetics, 43(6), 714-720. https://doi.org/10.1111/j.1365-2052.2012.02335.x