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Genome-wide association study reveals a QTL and strong candidate genes for umbilical hernia in pigs on SSC14

Overview of attention for article published in BMC Genomics, May 2018
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Title
Genome-wide association study reveals a QTL and strong candidate genes for umbilical hernia in pigs on SSC14
Published in
BMC Genomics, May 2018
DOI 10.1186/s12864-018-4812-9
Pubmed ID
Authors

Eli Grindflek, Marianne H. S. Hansen, Sigbjørn Lien, Maren van Son

Abstract

Umbilical hernia is one of the most prevalent congenital defect in pigs, causing economic losses and substantial animal welfare problems. Identification and implementation of genomic regions controlling umbilical hernia in breeding is of great interest to reduce incidences of hernia in commercial pig production. The aim of this study was to identify such regions and possibly identify causative variation affecting umbilical hernia in pigs. A case/control material consisting of 739 Norwegian Landrace pigs was collected and applied in a GWAS study with a genome-wide distributed panel of 60 K SNPs. Additionally candidate genes were sequenced to detect additional polymorphisms that were used for single SNP and haplotype association analyses in 453 of the pigs. The GWAS in this report detected a highly significant region affecting umbilical hernia around 50 Mb on SSC14 (P < 0.0001) explaining up to 8.6% of the phenotypic variance of the trait. The region is rather broad and includes 62 significant SNPs in high linkage disequilibrium with each other. Targeted sequencing of candidate genes within the region revealed polymorphisms within the Leukemia inhibitory factor (LIF) and Oncostatin M (OSM) that were significantly associated with umbilical hernia (P < 0.001). A highly significant QTL for umbilical hernia in Norwegian Landrace pigs was detected around 50 Mb on SSC14. Resequencing of candidate genes within the region revealed SNPs within LIF and OSM highly associated with the trait. However, because of extended LD within the region, studies in other populations and functional studies are needed to determine whether these variants are causal or not. Still without this knowledge, SNPs within the region can be used as genetic markers to reduce incidences of umbilical hernia in Norwegian Landrace pigs.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 28 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 5 18%
Student > Master 5 18%
Student > Ph. D. Student 4 14%
Student > Bachelor 2 7%
Unspecified 1 4%
Other 3 11%
Unknown 8 29%
Readers by discipline Count As %
Agricultural and Biological Sciences 8 29%
Veterinary Science and Veterinary Medicine 5 18%
Biochemistry, Genetics and Molecular Biology 4 14%
Unspecified 1 4%
Medicine and Dentistry 1 4%
Other 1 4%
Unknown 8 29%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 31 May 2018.
All research outputs
#14,413,000
of 23,083,773 outputs
Outputs from BMC Genomics
#5,732
of 10,705 outputs
Outputs of similar age
#187,602
of 331,250 outputs
Outputs of similar age from BMC Genomics
#130
of 262 outputs
Altmetric has tracked 23,083,773 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 10,705 research outputs from this source. They receive a mean Attention Score of 4.7. This one is in the 42nd percentile – i.e., 42% of its peers scored the same or lower than it.
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