Characterization of Escherichia coli strains resistant to carbapenems isolated from rectal swab in a multidrug-resistant strains screening programme.
2021
The aim of the study is to characterize 28 Escherichia coli carbapenem-resistant strains isolated from multi-resistant screening. All the strains were tested through CARBA NP test and PCR analysis for molecular characterization of carbapenemase. Plasmid characterization and phylogenetic study was performed. The molecular characterization revealed that 24 of 28 strains harbour carbapenemases. The most involved plasmids are FIA, FIB, FIIS and FrepB replicons that belong to the IncF group. The phylo-typing analysis revealed a greater presence of the B2 group. Carbapenem resistance in E. coli, should be constantly monitored to avoid the onset of new epidemic episodes.
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