Emerging colistin resistance in Salmonella enterica serovar Newport isolates from human infections

被引：52
作者：
Elbediwi, Mohammed [1 ]
Pan, Hang [1 ]
Biswas, Silpak [1 ]
Li, Yan [1 ,2 ]
Yue, Min [1 ,2 ]
机构：
[1] Zhejiang Univ, Inst Prevent Vet Sci, Dept Vet Med, Coll Anim Sci, Hangzhou, Peoples R China
[2] Zhejiang Prov Key Lab Prevent Vet Med, Hangzhou, Peoples R China
来源：
EMERGING MICROBES & INFECTIONS | 2020年 / 9卷 / 01期
基金：
欧盟地平线“2020”;
关键词：
Salmonella Newport; antimicrobial resistance; colistin resistance; mcr-1; seafood; SEROTYPE NEWPORT; UNITED-STATES;
D O I：
10.1080/22221751.2020.1733439
中图分类号：
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号：
100102 ;
摘要：
Worldwide emergence of Salmonella enterica serovar Newport (S. Newport) infection in humans, in parallel with a significant increasing prevalence of antimicrobial resistance (AR), is a serious public health concern. However, the prevalence of S. Newport resistance in China remains largely unknown. A retrospective study of 287 S. Newport clinical isolates collected during 1997-2018 was undertaken for characterization of AR profiles using the micro-dilution assay. We found a recent emergence of colistin resistance in four Chinese clinical isolates, including mcr-1-positive isolates. Importantly, phylogenomic and microbiological investigations indicate multiple independent clonal transmission of colistin-resistant S. Newport isolates of different seafood origins. Our study highlights potential reservoirs for transmission of colistin resistance and suggests that the global food supply chain may facilitate this dissemination.
引用
收藏
页码：535 / 538
页数：4
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