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Providencia stuartii Isolates from Greece: Co-Carriage of Cephalosporin (blaSHV-5, blaVEB-1), Carbapenem (blaVIM-1), and Aminoglycoside (rmtB) Resistance Determinants by a Multidrug-Resistant Outbreak Clone

  • Olga Oikonomou
  • , Apostolos Liakopoulos
  • , Lynette M Phee
  • , Jonathan W. Betts
  • , Dik Mevius
  • , David W Wareham*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Providencia stuartii has emerged as an important nosocomial pathogen. We describe an outbreak due to a multidrug-resistant strain over a 4-month period in a critical care unit in Athens. Molecular typing revealed each of the isolates to be clonally related with coresistance to cephalosporins, carbapenems, aminoglycosides, and quinolones. Each isolate contained a 220-kb multi-replicon (IncA/C and IncR) conjugative plasmid encoding TEM-1, SHV-5, VEB-1, and VIM-1 β-lactamases and the 16S rDNA methylase RmtB. Antimicrobial therapy was unsuccessful in 3 of 6 cases, and resistance was readily transmissible to susceptible strains of Escherichia coli by transformation and conjugation. This highlights the clinical importance of P. stuartii and its ability to disseminate critical resistance determinants to other bacterial pathogens.

Original languageEnglish
Pages (from-to)379-86
Number of pages8
JournalMicrobial drug resistance (Larchmont, N.Y.)
Volume22
Issue number5
DOIs
Publication statusPublished - Jul 2016
Externally publishedYes

Keywords

  • Adult
  • Aged
  • Aminoglycosides/pharmacology
  • Anti-Bacterial Agents/pharmacology
  • Bacterial Proteins/genetics
  • Carbapenems/pharmacology
  • Cephalosporins/pharmacology
  • Clone Cells
  • Conjugation, Genetic
  • Cross Infection/drug therapy
  • Disease Outbreaks
  • Drug Resistance, Multiple, Bacterial/genetics
  • Enterobacteriaceae Infections/drug therapy
  • Female
  • Gene Expression
  • Gene Transfer, Horizontal
  • Greece/epidemiology
  • Humans
  • Male
  • Methyltransferases/genetics
  • Microbial Sensitivity Tests
  • Middle Aged
  • Plasmids/chemistry
  • Providencia/drug effects
  • Quinolones/pharmacology
  • Replicon
  • Survival Analysis
  • beta-Lactamases/genetics

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