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Synanthropic rodents as possible reservoirs of shigatoxigenic Escherichia coli strains

Overview of attention for article published in Frontiers in Cellular and Infection Microbiology, January 2012
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Title
Synanthropic rodents as possible reservoirs of shigatoxigenic Escherichia coli strains
Published in
Frontiers in Cellular and Infection Microbiology, January 2012
DOI 10.3389/fcimb.2012.00134
Pubmed ID
Authors

Ximena Blanco Crivelli, María V. Rumi, Julio C. Carfagnini, Osvaldo Degregorio, Adriana B. Bentancor

Abstract

Shigatoxigenic Escherichia coli (STEC) strains are worldwide zoonotic pathogen responsible for different cases of human disease including hemolytic uremic syndrome (HUS). Transmission of STEC to humans occurs through the consumption of food and water contaminated by faeces of carriers and by person-to-person contact. The objective of this study was two-fold: (1) to investigate whether synanthropic rodents are possible reservoirs of STEC in the urban area and (2) whether a particular genus out of synanthropic rodent is the principal carrier of STEC. One hundred and forty-five rodents were captured in Buenos Aires City. Screening for stx1/stx2 and rfbO157 was done by PCR from the confluence zone. STEC isolates were further characterized with biochemical tests by standard methods. Additional virulence factors (eae, ehxA, and saa) were also determined by PCR. Forty-one of the rodents were necropsied and sample of kidney and small and large intestine were taken for histopathological diagnosis. The samples sections were stained with hematoxylin-eosin, and observed by light microscopy to evaluate the systemic involvement of these species in natural infections. STEC was isolated from seven out of 27 suspect animals at screening. The following genotypes were found in the STEC strains: stx1/stx2/ehxA (1), stx2 (4), stx2/ehxA (1), stx2/ehxA/eae (1). Neither gross nor microscopic lesions compatible with those produced by Shiga toxin were observed in the studied organs of necropsied rodents. The bivariate analysis including the 145 rodent's data showed that the isolation of STEC is associated positively to Rattus genus. This synanthropic species may play a role in the transmissibility of the agent thus being a risk to the susceptible population. Their control should be included specifically in actions to dismiss the contamination of food and water by STEC in the urban area, as additional strategies for epidemiological control.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 32 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 3%
Unknown 31 97%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 16%
Researcher 5 16%
Student > Doctoral Student 4 13%
Student > Ph. D. Student 4 13%
Student > Postgraduate 3 9%
Other 4 13%
Unknown 7 22%
Readers by discipline Count As %
Agricultural and Biological Sciences 9 28%
Medicine and Dentistry 5 16%
Biochemistry, Genetics and Molecular Biology 3 9%
Veterinary Science and Veterinary Medicine 3 9%
Immunology and Microbiology 2 6%
Other 1 3%
Unknown 9 28%
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 01 November 2012.
All research outputs
#20,171,868
of 22,684,168 outputs
Outputs from Frontiers in Cellular and Infection Microbiology
#5,864
of 6,292 outputs
Outputs of similar age
#221,205
of 244,115 outputs
Outputs of similar age from Frontiers in Cellular and Infection Microbiology
#88
of 109 outputs
Altmetric has tracked 22,684,168 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 6,292 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 109 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.