Interplay among IncA and bla KPC -Carrying Plasmids in Citrobacter freundii

Author:

Bitar Ibrahim1,Caltagirone Mariasofia2,Villa Laura3,Mattioni Marchetti Vittoria2,Nucleo Elisabetta2,Sarti Mario4,Migliavacca Roberta2,Carattoli Alessandra5

Affiliation:

1. Faculty of Medicine, Biomedical Center, Charles University, Pilsen, Czech Republic

2. Unit of Microbiology and Clinical Microbiology, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy

3. Istituto Superiore di Sanità, Rome, Italy

4. S. Agostino-Estense-Baggiovara Hospital, Modena, Italy

5. Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy

Abstract

We report two KPC-producing Citrobacter freundii isolates from unrelated patients. In one case, bla KPC-2 was harbored on a novel variant of a Tn 4401 transposon of an IncN plasmid conjugated together with a coresident IncA plasmid, whereas in the other one, bla KPC-3 was on a Tn 4401a transposon located on an IncX3-IncA self-conjugative plasmid fusion.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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