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Antibiotic resistance, serogroups, virulence genes, and phylogenetic groups of Escherichia coli isolated from yaks with diarrhea in Qinghai Plateau, China

Overview of attention for article published in Gut Pathogens, April 2017
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Title
Antibiotic resistance, serogroups, virulence genes, and phylogenetic groups of Escherichia coli isolated from yaks with diarrhea in Qinghai Plateau, China
Published in
Gut Pathogens, April 2017
DOI 10.1186/s13099-017-0174-0
Pubmed ID
Authors

Mujeeb Ur Rehman, Hui Zhang, Muhammad Kashif Iqbal, Khalid Mehmood, Shucheng Huang, Fazul Nabi, Houqiang Luo, Yanfang Lan, Jiakui Li

Abstract

Ruminants serve as one of the most important reservoirs for pathogenic Escherichia coli. Infection with E. coli, a foodborne enteropathogen, can lead to asymptomatic infections that can cause life-threatening complications in humans. Therefore, from a clinical and human health perspective, it is important to know which virulence genes, phylogenetic groups, serogroups, and antibiotic resistance patterns are present in E. coli strains in yaks with diarrheic infections. Two-hundred and ninety-two rectal swabs were collected from diarrheic yaks in Qinghai Plateau, China. The antimicrobial sensitivity of each resulting isolate was evaluated according to the disk diffusion method, and different PCR assays were performed for the detection of virulence genes and different phylogroups. Additionally, strains were allocated to different serogroups based on the presence of O antigen via the slide agglutination method. Among the E. coli isolates tested, most of the isolates were multidrug resistant (97%) and harbored at least one virulence gene (100%). We observed ten virulence genes (sfa, eaeA, cnf1, etrA, papC, hlyA, aer, faeG, rfc, and sepA), of which sfa was the most commonly found (96.9%). Significant positive associations between some resistance phenotypes and virulence genes were observed (P < 0.05, OR > 1). The majority of the E. coli isolates belonged to phylogroup A (79.5%), and the others belonged to phylogroups B1 (7.5%), D (4.1%), B2 (5.8%), and F (0.7%). Among all the E. coli strains tested, serogroups O91 and O145 were the most prevalent, accounting for 15.4 and 14.4%, respectively. Our results suggest that yaks with diarrhea serve as a reservoir of pathogenic E. coli carrying various virulence genes and resistance phenotypes. Therefore, clinicians and relevant authorities must ensure the regulatory use of antimicrobial agents and prevent the spread of these organisms through manure to farm workers and food-processing plants.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 58 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 58 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 10 17%
Student > Doctoral Student 8 14%
Student > Ph. D. Student 7 12%
Student > Master 5 9%
Student > Bachelor 4 7%
Other 8 14%
Unknown 16 28%
Readers by discipline Count As %
Agricultural and Biological Sciences 8 14%
Immunology and Microbiology 7 12%
Biochemistry, Genetics and Molecular Biology 6 10%
Veterinary Science and Veterinary Medicine 5 9%
Medicine and Dentistry 5 9%
Other 8 14%
Unknown 19 33%
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 27 May 2017.
All research outputs
#14,344,573
of 22,968,808 outputs
Outputs from Gut Pathogens
#230
of 524 outputs
Outputs of similar age
#173,155
of 310,531 outputs
Outputs of similar age from Gut Pathogens
#10
of 18 outputs
Altmetric has tracked 22,968,808 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 524 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.8. This one has gotten more attention than average, scoring higher than 50% 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 310,531 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 18 others from the same source and published within six weeks on either side of this one. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.