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Epigenetic regulation of the ELOVL6 gene is associated with a major QTL effect on fatty acid composition in pigs

Overview of attention for article published in Genetics Selection Evolution, March 2015
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Title
Epigenetic regulation of the ELOVL6 gene is associated with a major QTL effect on fatty acid composition in pigs
Published in
Genetics Selection Evolution, March 2015
DOI 10.1186/s12711-015-0111-y
Pubmed ID
Authors

Jordi Corominas, Jorge AP Marchesi, Anna Puig-Oliveras, Manuel Revilla, Jordi Estellé, Estefânia Alves, Josep M Folch, Maria Ballester

Abstract

In previous studies on an Iberian x Landrace cross, we have provided evidence that supported the porcine ELOVL6 gene as the major causative gene of the QTL on pig chromosome 8 for palmitic and palmitoleic acid contents in muscle and backfat. The single nucleotide polymorphism (SNP) ELOVL6:c.-533C > T located in the promoter region of ELOVL6 was found to be highly associated with ELOVL6 expression and, accordingly, with the percentages of palmitic and palmitoleic acids in longissimus dorsi and adipose tissue. The main goal of the current work was to further study the role of ELOVL6 on these traits by analyzing the regulation of the expression of ELOVL6 and the implication of ELOVL6 polymorphisms on meat quality traits in pigs. High-throughput sequencing of BAC clones that contain the porcine ELOVL6 gene coupled to RNAseq data re-analysis showed that two isoforms of this gene are expressed in liver and adipose tissue and that they differ in number of exons and 3'UTR length. Although several SNPs in the 3'UTR of ELOVL6 were associated with palmitic and palmitoleic acid contents, this association was lower than that previously observed with SNP ELOVL6:c.-533C > T. This SNP is in full linkage disequilibrium with SNP ELOVL6:c.-394G > A that was identified in the binding site for estrogen receptor alpha (ERα). Interestingly, the ELOVL6:c.-394G allele is associated with an increase in methylation levels of the ELOVL6 promoter and with a decrease of ELOVL6 expression. Therefore, ERα is clearly a good candidate to explain the regulation of ELOVL6 expression through dynamic epigenetic changes in the binding site of known regulators of ELOVL6 gene, such as SREBF1 and SP1. Our results strongly suggest the ELOVL6:c.-394G > A polymorphism as the causal mutation for the QTL on pig chromosome 8 that affects fatty acid composition in pigs.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 37 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 12 32%
Researcher 8 22%
Student > Bachelor 3 8%
Student > Master 3 8%
Student > Doctoral Student 1 3%
Other 4 11%
Unknown 6 16%
Readers by discipline Count As %
Agricultural and Biological Sciences 16 43%
Biochemistry, Genetics and Molecular Biology 6 16%
Veterinary Science and Veterinary Medicine 4 11%
Unspecified 1 3%
Sports and Recreations 1 3%
Other 2 5%
Unknown 7 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 19 April 2015.
All research outputs
#14,914,476
of 25,374,647 outputs
Outputs from Genetics Selection Evolution
#433
of 822 outputs
Outputs of similar age
#135,516
of 277,732 outputs
Outputs of similar age from Genetics Selection Evolution
#8
of 27 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 40th percentile – i.e., 40% of other outputs scored the same or lower than it.
So far Altmetric has tracked 822 research outputs from this source. They receive a mean Attention Score of 4.1. This one is in the 46th percentile – i.e., 46% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 277,732 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 50% of its contemporaries.
We're also able to compare this research output to 27 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 70% of its contemporaries.