Characterization of two novel VIM-type metallo-β-lactamases, VIM-84 and VIM-85, associated with the spread of IncP-2 megaplasmids in Pseudomonas aeruginosa.
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ABSTRACT: This study aimed to characterize two novel VIM-type metallo-β-lactamases, VIM-84 and VIM-85, and reveal the important role of the IncP-2 type megaplasmids in the spread of antimicrobial resistance (AMR) genes. VIM-84 and VIM-85 were encoded by two novel genes bla VIM-84 and bla VIM-85 which showed similarity to bla VIM-24. Both bla VIM-84 and bla VIM-85 are harbored into class 1 integrons embedded into the Tn1403 transposon. The bla VIM-85 gene was identified in a megaplasmid, which was related to 17 megaplasmid sequences with sizes larger than 430 kb, deposited previously in Genbank. A comparative analysis of complete plasmid sequences showed highly similar backbone regions a
SUBMITTER: Wang N
PROVIDER: S-EPMC10580930 | biostudies-literature | 2023 Sep
REPOSITORIES: biostudies-literature
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