Detection of the novel IMP-38 among carbapenemase-producing Enterobacteriaceae in a university hospital, China

Autores: Jian Zijuan, Li Yanming, Liu Wenen, Li Hongling, Zhang Yunli, Li Yanbing, Gu Xiumei, Peng Wanchan

Resumen

Introduction: This study set out to investigate the molecular epidemiology of carbapenemase-producing Enterobacteriaceae isolates collected from Xiang Ya Hospital, Hunan, China. Methodology: The carbapenemase genes from Enterobacteriaceae isolates were determined by PCR and sequencing. Relatedness of Klebsiella pneumoniae isolates was evaluated by pulsed-field gel electrophoresis. Results: Twenty-four out of 738 non-repetitive Enterobacteriaceae isolates harbored carbapenemase genes including IMP-38, a novel IMP-type metallo-enzyme. Nine IMP-38-producing isolates were shown to originate from the same clone and caused a small outbreak in the neonatal ward. Conclusions: IMP-38, a novel IMP-type metallo-enzyme, was one of the predominant types of carbapenemase in the clinical carbapenem-resistant Enterobacteriaceae isolates in our hospital.

Palabras clave: Carbapenemase; Enterobacteriaceae; IMP; KPC.

2014-09-01   |   407 visitas   |   1 valoraciones

Vol. 8 Núm.8. Agosto 2014 Pags. 1044-1048 J Infect Developing Countries 2014; 8(8)