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Letters in Applied Microbiology
Article . 2022 . Peer-reviewed
License: OUP Standard Publication Reuse
Data sources: Crossref
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Detection of optrA and poxtA genes in linezolid-resistant Enterococcus isolates from fur animals in China

Authors: W. Sun; H. Liu; J. Liu; Q. Jiang; Y. Pan; Y. Yang; X. Zhu; +1 Authors

Detection of optrA and poxtA genes in linezolid-resistant Enterococcus isolates from fur animals in China

Abstract

Abstract The emergence of linezolid-resistant (LR) enterococci found in food of animal origin arouses attention, but little is known about LR enterococci in fur animals. A total of 342 Enterococcus faecalis and 265 E. faecium strains isolated from fur animals in China from 2015 to 2017 were investigated to determine if LR enterococci (≥16 μg ml−1) are present. Overall, two E. faecalis and 12 E. faecium among these isolates were resistant to linezolid. In addition, all LR isolates were classified as multidrug-resistant isolates. We further explore the resistance genes of the LR enterococci, four E. faecalis and two E. faecium isolates contained optrA gene. Two of them co-harboured optrA and poxtA genes. We detected virulence genes in LR enterococci were the following: asa1, cylA, esp, gelE and hyl, among which the highest carrying rate gene was asa1. Besides, all of the LR enterococci we tested had the biofilm-forming ability. It is worth noting that we detected a novel ST type ST2010 from E. faecium 82-2. These data show LR enterococci exist in fur animals and have unique characteristics.

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Keywords

Enterococcus faecium, Drug Resistance, Bacterial, Linezolid, Enterococcus faecalis, Animals, Microbial Sensitivity Tests, Enterococcus, Gram-Positive Bacterial Infections, Anti-Bacterial Agents

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Top 10%
Average
Top 10%
hybrid