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Use of Direct LAMP Screening of Broiler Fecal Samples for Campylobacter jejuni and Campylobacter coli in the Positive Flock Identification Strategy

Overview of attention for article published in Frontiers in Microbiology, September 2016
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Title
Use of Direct LAMP Screening of Broiler Fecal Samples for Campylobacter jejuni and Campylobacter coli in the Positive Flock Identification Strategy
Published in
Frontiers in Microbiology, September 2016
DOI 10.3389/fmicb.2016.01582
Pubmed ID
Authors

Islam I. Sabike, Ryoko Uemura, Yumi Kirino, Hirohisa Mekata, Satoshi Sekiguchi, Tamaki Okabayashi, Yoshitaka Goto, Wataru Yamazaki

Abstract

Rapid identification of Campylobacter-positive flocks before slaughter, following freezing and heat treatment for the Campylobacter-positive carcasses at the slaughterhouses is an effective control strategy against foodborne campylobacteriosis. We evaluated a loop-mediated isothermal amplification (LAMP) assay for the direct screening of naturally contaminated chicken cloacal swabs for C. jejuni/C. coli to compare this assay with conventional quantitative culture methods. In a comparison study of 165 broilers, the LAMP assay showed 82.8% (48/58 by conventional culture) sensitivity, 100% (107/107) specificity, 100% (48/48) positive predictive value (PPV), and 91.5% (107/117) negative predictive value (NPV). In a comparison of 55 flocks, LAMP showed 90.5% (19/21) sensitivity, 100% (34/34) specificity, 100% (19/19) PPV, and 94.4% (34/36) NPV. In the cumulative total of 28 farm-level comparisons, LAMP showed 100% (12/12) sensitivity, 100% (16/16) specificity, 100% (12/12) PPV, and 100% (16/16) NPV. The LAMP assay required less than 90 min from the arrival of the fecal samples to final results in the laboratory. This suggests that the LAMP assay will facilitate the identification of C. jejuni/C. coli-positive broiler flocks at the farm level or in slaughterhouses before slaughtering, which would make it an effective tool in preventing the spread of Campylobacter contamination.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 30 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Japan 1 3%
Unknown 29 97%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 4 13%
Researcher 3 10%
Student > Postgraduate 3 10%
Professor > Associate Professor 3 10%
Student > Master 3 10%
Other 6 20%
Unknown 8 27%
Readers by discipline Count As %
Veterinary Science and Veterinary Medicine 5 17%
Agricultural and Biological Sciences 5 17%
Biochemistry, Genetics and Molecular Biology 3 10%
Environmental Science 2 7%
Immunology and Microbiology 2 7%
Other 2 7%
Unknown 11 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 03 October 2016.
All research outputs
#20,344,065
of 22,890,496 outputs
Outputs from Frontiers in Microbiology
#22,535
of 24,936 outputs
Outputs of similar age
#279,615
of 322,482 outputs
Outputs of similar age from Frontiers in Microbiology
#345
of 435 outputs
Altmetric has tracked 22,890,496 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 24,936 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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