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Characterization of the genetic environment of the bla KPC-2 gene among Klebsiella pneumoniae isolates from a Chinese Hospital

Overview of attention for article published in Brazilian Journal of Infectious Diseases, May 2016
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Title
Characterization of the genetic environment of the bla KPC-2 gene among Klebsiella pneumoniae isolates from a Chinese Hospital
Published in
Brazilian Journal of Infectious Diseases, May 2016
DOI 10.1016/j.bjid.2016.04.003
Pubmed ID
Authors

Pinghua Shen, Ying Zhang, Gang Li, Xiaofei Jiang

Abstract

Infection caused by carbapenem-resistant Klebsiella pneumoniae has become a major healthcare threat and KPC-2 enzyme is a dominant factor mediating carbapenems resistance in K. pneumoniae. This study was designed to determine the genetic environment of blaKPC-2, which prevailed in clinical K. pneumoniae isolates recovered in Huashan Hospital, Shanghai, China. Forty-two clinical isolates were included in this study by blaKPC-2 screening. After multilocus sequence typing and plasmid analyses of PCR-based replicon typing (PBRT), junction PCR, mapping PCR and crossing PCR assays, primer walking, and amplicon sequencing were used to analyze the genetic environment of the blaKPC-2 gene. ST423, ST65, ST977, and ST11 were all detected in KPC-2-producing K. pneumoniae. Two types of blaKPC-2-bearing genetic structure were found: Tn1721-blaKPC-2-Tn3 and Tn1721-blaKPC-2-ΔTn3-IS26; and were carried in IncX and IncFII plasmids, respectively. In conclusion, the genetic environment of the blaKPC-2 gene was diverse and Tn1721-blaKPC-2-ΔTn3-IS26 was dominant in clinical K. pneumoniae isolates in Huashan Hospital. This study sheds some light on the genetic environment and should foster further studies about the mechanism of the blaKPC-2 dissemination.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 35 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 7 20%
Student > Master 7 20%
Researcher 6 17%
Professor > Associate Professor 2 6%
Student > Ph. D. Student 2 6%
Other 3 9%
Unknown 8 23%
Readers by discipline Count As %
Immunology and Microbiology 9 26%
Biochemistry, Genetics and Molecular Biology 7 20%
Medicine and Dentistry 3 9%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Agricultural and Biological Sciences 1 3%
Other 3 9%
Unknown 11 31%
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 18 May 2016.
All research outputs
#20,656,161
of 25,374,647 outputs
Outputs from Brazilian Journal of Infectious Diseases
#543
of 809 outputs
Outputs of similar age
#245,821
of 327,280 outputs
Outputs of similar age from Brazilian Journal of Infectious Diseases
#11
of 20 outputs
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