DOI: 10.1128/AAC.01700-19
ABSTRACT
A carbapenem-resistant Pseudomonas synxantha isolate recovered from chicken meat produced the novel carbapenemase PFM-1. That subclass B2 metallo-β-lactamase shared 71% amino acid identity with β-lactamase Sfh-1 from Serratia fonticola. The blaPFM-1 gene was chromosomally located and likely acquired. Variants of PFM-1 sharing 90% to 92% amino acid identity were identified in bacterial species belonging to the Pseudomonas fluorescens complex, including Pseudomonas libanensis (PFM-2) and Pseudomonas fluorescens (PFM-3), highlighting that these species constitute reservoirs of PFM-like encoding genes.
- Copyright © 2020 American Society for Microbiology.
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