Dataset Information

Detection of New Delhi Metallo-Beta-Lactamase-1 (NDM-1) in carbapenem- resistant Klebsiella pneumoniae isolated from a university hospital in Iran.

ABSTRACT: BACKGROUND:New Delhi metallo-beta-lactamase-1(NDM-1) is a novel type of metallo-beta-lactamase (MBL) which inactivates all ?-lactam antibiotics except aztreonam. Enterobacteriaceae expressing NDM-1 have been identified worldwide. The aim of this study was to detect MBLs in carbapenem-resistant K. pneumoniae isolates obtained from patients hospitalized in one of the university hospitals in Isfahan, Iran. METHODS:Of the 112 isolates obtained from various clinical samples, 49 were selected for carbapenemase detection based on their reduced susceptibility to imipenem or meropenem according to the disc diffusion method. These isolates were screened for carbapenemase and MBL production using the Modi?ed Hodge Test (MHT) and Epsilometer test (E-test) MBL strips. Polymerase chain reaction was performed on all 49 isolates using specific primers to detect genes encoding IMP (active on imipenem), VIM (Verona integron-encoded metallo-?-lactamase), SPM-1 (Sao Paulo metallo-?-lactamase) and NDM-1. RESULTS:Among 49 carbapenem-resistant isolates, 32 (65.3 %) were positive for MHT and 6 (12.2 %) were found positive for blaNDM-1. Other MBL genes were not detected. CONCLUSION:This is the second report on the detection of blaNDM-1 in Iran since it was first reported by Shahcheraghi and colleagues in 2012. This study indicated that resistance to carbapenems and isolation of bacteria producing NDM-1 is increasing. Therefore, the rapid detection of isolates expressing NDM-1 is essential to control their spread. Hippokratia 2015; 19 (3): 205-209.

SUBMITTER: Fazeli H

PROVIDER: S-EPMC4938465 | biostudies-literature | 2015 Jul-Sep

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Detection of New Delhi Metallo-Beta-Lactamase-1 (NDM-1) in carbapenem- resistant Klebsiella pneumoniae isolated from a university hospital in Iran.

Fazeli H H Norouzi-Barough M M Ahadi A M AM Shokri D D Solgi H H

Hippokratia 20150701 3

<h4>Background</h4>New Delhi metallo-beta-lactamase-1(NDM-1) is a novel type of metallo-beta-lactamase (MBL) which inactivates all β-lactam antibiotics except aztreonam. Enterobacteriaceae expressing NDM-1 have been identified worldwide. The aim of this study was to detect MBLs in carbapenem-resistant K. pneumoniae isolates obtained from patients hospitalized in one of the university hospitals in Isfahan, Iran.<h4>Methods</h4>Of the 112 isolates obtained from various clinical samples, 49 were se ...[more]

PMID: 27418777

Similar Datasets

Project description:Outbreaks of infection occur more often than they are reported in most developing countries, largely due to poor diagnostic services. A Klebsiella species bacteremia outbreak in a newborn unit with high mortality was recently encountered at a location being surveilled for childhood bacteremia. These surveillance efforts offered the opportunity to determine the cause of this neonatal outbreak. In this report, we present the whole-genome sequences of New Delhi metallo-β-lactamase (NDM-5)-containing Klebsiella quasipneumoniae subsp. similipneumoniae bloodstream isolates from a neonatal bacteremia outbreak at a tertiary hospital in Nigeria and as part of the largest collection of K. pneumoniae bloodstream isolates from children in Africa. Comparative analysis of the genetic environment surrounding the NDM-5 genes revealed nearly perfect sequence identity to blaNDM-5-bearing IncX3-type plasmids from other members of the EnterobacteriaceaeIMPORTANCE Carbapenem-resistant Klebsiella pneumoniae is of global health importance, yet there is a paucity of genome-based studies in Africa. Here we report fatal blood-borne NDM-5-producing K. quasipneumoniae subsp. similipneumoniae infections from Nigeria, Africa. New Delhi metallo-β-lactamase (NDM)-producing Klebsiella spp. are responsible for high mortality and morbidity, with the NDM-5 variant showing elevated carbapenem resistance. The prevalence of NDM-5 in Klebsiella has been limited primarily to K. pneumoniae, with only one isolate being collected from Africa. During an outbreak of sepsis in a teaching hospital in Nigeria, five NDM-5-producing K. quasipneumoniae subsp. similipneumoniae sequence type 476 isolates were identified. Given the increased resistance profile of these strains, this study highlights the emerging threat of blaNDM-5 dissemination in hospital environments. The observation of these NDM-5-producing isolates in Africa stresses the urgency to improve monitoring and clinical practices to reduce or prevent the further spread of resistance.

Dataset Information

Detection of New Delhi Metallo-Beta-Lactamase-1 (NDM-1) in carbapenem- resistant Klebsiella pneumoniae isolated from a university hospital in Iran.

Publications

Detection of New Delhi Metallo-Beta-Lactamase-1 (NDM-1) in carbapenem- resistant Klebsiella pneumoniae isolated from a university hospital in Iran.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets