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Detection of carbapenem-resistance genes in Klebsiella species recovered from selected environmental niches in the Eastern Cape Province, South Africa

Ebomah, K.E.
Okoh, A.I.
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Abstract
Carbapenemase-producing Enterobacteriaceae (CPE) have been heavily linked to hospital acquired infections (HAI) thereby leading to futility of antibiotics in treating infections and this have complicated public health problems. There is little knowledge about carbapenemase-producing Klebsiella spp. (CPK) in South Africa. This study aimed at determining the occurrence of CPK in different samples collected from selected environmental niches (hospitals, wastewater treatment plants, rivers, farms) in three district municipalities located in the Eastern Cape Province, South Africa. Molecular identification and characterization of the presumptive isolates were determined using polymerase chain reaction (PCR) and isolates that exhibited phenotypic carbapenem resistance were further screened for the possibility of harbouring antimicrobial resistance genes. One hundred (43%) of the 234 confirmed Klebsiella spp. isolates harboured carbapenem-resistance genes; 10 isolates harboured blaOXA-48-like; 17 harboured blaKPC; and 73 isolates harboured blaNDM-1. The emergence of blaKPC, blaOXA-48-like, and blaNDM-1 carbapenem-resistance genes in Klebsiella species associated with environmental sources is of great concern to public health.
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Date
2020-07-21
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Publisher
MDPI
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Keywords
K. pneumoniae,BlaOXA-48-like,Carbapenem-resistance genes,BlaKPC
Citation
Ebomah KE, Okoh AI. Detection of Carbapenem-Resistance Genes in Klebsiella Species Recovered from Selected Environmental Niches in the Eastern Cape Province, South Africa. Antibiotics (Basel). 2020 Jul 21;9(7):425. doi: 10.3390/antibiotics9070425
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