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Chromosomally Encoded mcr-5 in Colistin-Nonsusceptible Pseudomonas aeruginosa
Author(s) -
Erik Snesrud,
Rosslyn Maybank,
Yoon I. Kwak,
Anthony R. Jones,
Mary Hinkle,
Patrick McGann
Publication year - 2018
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.00679-18
Subject(s) - colistin , pseudomonas aeruginosa , broth microdilution , biology , transposable element , microbiology and biotechnology , whole genome sequencing , genome , mcr 1 , genetics , bacteria , gene , escherichia coli , enterobacteriaceae , antibiotics , minimum inhibitory concentration
Whole-genome sequencing (WGS) of historicalPseudomonas aeruginosa clinical isolates identified a chromosomal copy ofmcr-5 within a Tn3 -like transposon inP. aeruginosa MRSN 12280. The isolate was nonsusceptible to colistin by broth microdilution, and genome analysis revealed no mutations known to confer colistin resistance. To the best of our knowledge, this is the first report ofmcr in colistin-nonsusceptibleP. aeruginosa .

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