A large outbreak of New Delhi metallo-beta-lactamase (NDM)-1-producing Klebsiella pneumoniae sequence type (ST) 147 occurred in Tuscany, Italy in 2018-2019. In 2020, ST147 NDM-9-producing K. pneumoniae were detected at the University Hospital of Pisa, Tuscany, in two critically ill patients; one developed bacteraemia. Genomic and phylogenetic analyses suggest relatedness of 2018-2019 and 2020 strains, with a change from NDM-1 to NDM-9 in the latter and evolution by colistin, tigecycline and fosfomycin resistance acquisition.

Extremely drug-resistant NDM-9-producing ST147 Klebsiella pneumoniae causing infections in Italy, May 2020

Falcone, Marco;Giordano, Cesira;Barnini, Simona;Tiseo, Giusy;Menichetti, Francesco;
2020-01-01

Abstract

A large outbreak of New Delhi metallo-beta-lactamase (NDM)-1-producing Klebsiella pneumoniae sequence type (ST) 147 occurred in Tuscany, Italy in 2018-2019. In 2020, ST147 NDM-9-producing K. pneumoniae were detected at the University Hospital of Pisa, Tuscany, in two critically ill patients; one developed bacteraemia. Genomic and phylogenetic analyses suggest relatedness of 2018-2019 and 2020 strains, with a change from NDM-1 to NDM-9 in the latter and evolution by colistin, tigecycline and fosfomycin resistance acquisition.
2020
Falcone, Marco; Giordano, Cesira; Barnini, Simona; Tiseo, Giusy; Leonildi, Alessandro; Malacarne, Paolo; Menichetti, Francesco; Carattoli, Alessandra
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/1071246
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