Abstract
IMP-8 metallo-β-lactamase was identified in Klebsiella pneumoniae sequence type 252 (ST252), isolated in a Portuguese hospital in 2009. bla<inf>IMP-8</inf> was the first gene cassette of a novel class 3 integron, In1144, also carrying the bla<inf>GES-5</inf>, bla<inf>BEL-1</inf>, and aacA4 cassettes. In1144 was located on a ColE1-like plasmid, pKP-M1144 (12,029 bp), with a replication region of limited nucleotide similarity to those of other RNA-priming plasmids, such as pJHCMW1. In1144 and pKP-M1144 represent an interesting case of evolution of resistance determinants in Gram-negative bacteria.
| Original language | English |
|---|---|
| Pages (from-to) | 5065-5068 |
| Number of pages | 4 |
| Journal | Antimicrobial Agents and Chemotherapy |
| Volume | 59 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 1 Aug 2015 |
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