Emerging colistin resistance in Salmonella enterica serovar Newport isolates from human infections.,Emerging Microbes & Infections

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Emerging colistin resistance in Salmonella enterica serovar Newport isolates from human infections.
Emerging Microbes & Infections ( IF 8.4 ) Pub Date : 2020-03-03 , DOI: 10.1080/22221751.2020.1733439
Mohammed Elbediwi ₁ , Hang Pan ₁ , Silpak Biswas ₁ , Yan Li _{1,

2} , Min Yue _{1,

2}

Affiliation

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.

更新日期：2020-03-03

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