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Genome-wide association study reveals a locus for nasal carriage of Staphylococcus aureus in Danish crossbred pigs

Overview of attention for article published in BMC Veterinary Research, November 2015
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  • Above-average Attention Score compared to outputs of the same age (52nd percentile)
  • Good Attention Score compared to outputs of the same age and source (79th percentile)

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Title
Genome-wide association study reveals a locus for nasal carriage of Staphylococcus aureus in Danish crossbred pigs
Published in
BMC Veterinary Research, November 2015
DOI 10.1186/s12917-015-0599-y
Pubmed ID
Authors

Per Skallerup, Carmen Espinosa-Gongora, Claus B. Jørgensen, Luca Guardabassi, Merete Fredholm

Abstract

Staphylococcus aureus is an important human opportunistic pathogen residing on skin and mucosae of healthy people. Pigs have been identified as a source of human colonization and infection with methicillin-resistant Staphylococcus aureus (MRSA) and novel measures are needed to control zoonotic transmission. A recent longitudinal study indicated that a minority of pigs characterized by high nasal load and stable carriage may be responsible for the maintenance of S. aureus within farms. The primary objective of the present study was to detect genetic loci associated with nasal carriage of S. aureus in Danish crossbred pigs (Danish Landrace/Yorkshire/Duroc). Fifty-six persistent carriers and 65 non-carriers selected from 15 farms surveyed in the previous longitudinal study were genotyped using Illumina's Porcine SNP60 beadchip. In addition, spa typing was performed on 126 S. aureus isolates from 37 pigs to investigate possible relationships between host and S. aureus genotypes. A single SNP (MARC0099960) on chromosome 12 was found to be associated with nasal carriage of S. aureus at a genome-wide level after permutation testing (p = 0.0497) whereas the association of a neighboring SNP was found to be borderline (p = 0.114). Typing of S. aureus isolates led to detection of 11 spa types belonging to the three main S. aureus clonal complexes (CC) previously described in pigs (CC9, CC30 and CC398). Individual carriers often harbored multiple S. aureus genotypes and the host-pathogen interaction seems to be independent of S. aureus genotype. Our results suggest it may be possible to select pigs genetically resistant to S. aureus nasal colonization as a tool to control transmission of livestock-associated MRSA to humans.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 46 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
France 1 2%
Brazil 1 2%
Unknown 44 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 10 22%
Researcher 9 20%
Professor > Associate Professor 5 11%
Student > Master 5 11%
Professor 4 9%
Other 9 20%
Unknown 4 9%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 26%
Veterinary Science and Veterinary Medicine 8 17%
Immunology and Microbiology 6 13%
Biochemistry, Genetics and Molecular Biology 4 9%
Medicine and Dentistry 3 7%
Other 6 13%
Unknown 7 15%
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 01 December 2015.
All research outputs
#13,217,403
of 22,834,308 outputs
Outputs from BMC Veterinary Research
#873
of 3,050 outputs
Outputs of similar age
#181,530
of 387,189 outputs
Outputs of similar age from BMC Veterinary Research
#15
of 87 outputs
Altmetric has tracked 22,834,308 research outputs across all sources so far. This one is in the 41st percentile – i.e., 41% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,050 research outputs from this source. They receive a mean Attention Score of 3.8. This one has gotten more attention than average, scoring higher than 70% of its peers.
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 387,189 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 52% of its contemporaries.
We're also able to compare this research output to 87 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 79% of its contemporaries.