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Resistome Profiles, Plasmid Typing, and Whole-Genome Phylogenetic Tree Analyses of BlaNDM-9 and Mcr-1 Co-Harboring Escherichia coli ST617 from a Patient without a History of Farm Exposure in Korea

Authors
 Le Phuong Nguyen  ;  Naina Adren Pinto  ;  Thao Nguyen Vu  ;  Hung Mai  ;  An Ht Pham  ;  Hyunsook Lee  ;  Young Lag Cho  ;  Jung-Hyun Byun  ;  Roshan D'Souza  ;  Dongeun Yong 
Citation
 PATHOGENS AND GLOBAL HEALTH, Vol.8(4) : 212, 2019-12 
Journal Title
 PATHOGENS AND GLOBAL HEALTH 
Issue Date
2019-12
Keywords
blaNDM-9 ; co-harboring Escherichia coli ; mcr-1
Abstract
Recently, a blaNDM-9 and mcr-1 co-harboring E. coli ST 617 isolate was identified from an asymptomatic carrier in Korea. An 81-year-old female was admitted to a university hospital for aortic cardiac valve repair surgery. Following surgery, she was admitted to the intensive care unit (ICU) for three days, and carbapenem-resistant E. coli YMC/2017/02/MS631 was isolated from a surveillance culture (rectal swab). Antimicrobial susceptibility testing (AST) for colistin was not performed at that time. Upon retrospective study, further AST revealed resistance to all tested antibiotics, including meropenem, imipenem, ceftazidime-avibactam, amikacin, gentamicin, ciprofloxacin, trimethoprim-sulfamethoxazole, and colistin, with the exception of tigecycline. Whole genome sequencing analyses showed that this strain belonged to the ST617 serotype O89/162: H10 and harbored three β-lactamase genes (blaTEM-1B, blaCTX-M-55, blaNDM-9), mcr-1, and 14 other resistance genes. Seven plasmid replicon types (IncB, IncFII, IncI2, IncN, IncY, IncR, IncX1) were identified. Horizontal transfer of blaNDM-9 and mcr-1 from donor cells to the recipient E. coli J53 has been observed. blaNDM-9 and mcr-1 were carried by IncB and IncI2 plasmids, respectively. To speculate on the incidence of this strain, routine rectal swab screening to identify asymptomatic carriers might be warranted, in addition to the screening of ICU patients.
Files in This Item:
T201906533.pdf Download
DOI
10.3390/pathogens8040212
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
Yonsei Authors
Yong, Dong Eun(용동은) ORCID logo https://orcid.org/0000-0002-1225-8477
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178928
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