ArticleBMC genetics2015
Genome-wide association analyses for boar taint components and testicular traits revealed regions having pleiotropic effects.
Article in BMC genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Genomic Prediction and Genome-Wide Association Study for Boar Taint Compounds.Animals : an open access journal from MDPI · 2023Article
- Genetic diversity and breed-informative SNPs identification in domestic pig populations using coding SNPs.Frontiers in genetics · 2023Article
- How to Improve Meat Quality and Welfare in Entire Male Pigs by Genetics.Animals : an open access journal from MDPI · 2021Review
- Pork Production with Entire Males: Directions for Control of Boar Taint.Animals : an open access journal from MDPI · 2020Review
- Genomic background and genetic relationships between boar taint and fertility traits in German Landrace and Large White.BMC genetics · 2020Article
- PCA-Based Multiple-Trait GWAS Analysis: A Powerful Model for Exploring Pleiotropy.Animals : an open access journal from MDPI · 2018Article
- Livestock 2.0 - genome editing for fitter, healthier, and more productive farmed animals.Genome biology · 2018Review
- Systems genomics study reveals expression quantitative trait loci, regulator genes and pathways associated with boar taint in pigs.PloS one · 2018Article
- Exploiting whole genome sequence data to fine map and characterize candidate genes within a quantitative trait loci region affecting androstenone on porcine chromosome 5.Animal genetics · 2017Article
- Fine mapping of a QTL affecting levels of skatole on pig chromosome 7.BMC genetics · 2017Article
- Multi-omic data integration and analysis using systems genomics approaches: methods and applications in animal production, health and welfare.Genetics, selection, evolution : GSE · 2016Review
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7 authors.
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Abstract
backgroundThe aim of this study was to perform a genome-wide association analyses (GWAS) for androstenone, skatole and indole in different Pietrain sire lines and compare the results with previous findings in purebred populations. Furthermore, the genetic relationship of androstenone and skatole were investigated with respect to pleiotropy. In order to characterize the performance of intact boars, crossbred progenies of 136 Pietrain boars mated to crossbred sows from three different breeding companies were tested on four test stations. A total of 598 boars were performance tested according to the rules of stationary performance testing in Germany. Beside common fattening and carcass composition traits, the concentrations of the boar taint components and testicular size parameters were recorded. All boars were genotyped with the PorcineSNP60 Illumina BeadChip. The GWAS were performed using the whole data set as well as in sub groups according to the line of origin. Besides an univariate GWAS approach, principal component (PC) techniques were applied to identify common expression pattern affecting the biosynthesis and the metabolism of androstenone.
resultsIn total, 33 SNPs were significantly associated with at least one of the boar taint components. Only one SNP was identified being significant in both subgroups. The analyses of the testes size parameters revealed 31 significant associations. The numbers of significant SNPs within the genetic groups evidenced the strong population specific effects. A multivariate approach using PC revealed 33 significant associations for five different PC.
conclusionsBased on Pietrain sired cross bred boars, the mayor objective of our study was to identify QTL for boar taint components and to detect pleiotropy among boar taint and testes traits. The high number of identified QTL revealed that boar taint traits are influenced by a large number of loci. Analyzing pleiotropy allowed identifying a QTL affecting androstenone and the gonasomatic index. In this region, QTL for ovulation rate and age at puberty of sows have been described in literature. This supports the physiological findings that the androstenone level of boars and reproduction performance of sows might be linked by an antagonistic relationship.
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