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A Pandrug-Resistant Providencia Carrying Two blaIMP Carbapenemase-Encoding Genes Including blaIMP-69, a New blaIMP Variant, on a Newly Identified Worldwide-Distributed IncC Plasmid.
- Source :
-
Journal of Infectious Diseases . 2020 Supplement, Vol. 221, pS253-S256. 4p. - Publication Year :
- 2020
-
Abstract
- Imipenemase (IMP) is a metallo-β-lactamase that confers resistance to almost all β-lactams. Identification of IMP genes is essential for understanding and combatting antibiotic resistance. In this study, we report a pandrug-resistant Providencia strain from a human rectal swab. This strain carried 2 blaIMP carbapenemase genes, blaIMP-69 and blaIMP-4. IMP-69 is a novel IMP variant with an amino acid substitution at A21T compared with IMP-8. blaIMP-69 was found in a blaIMP-69-aacA4 array of an integron on a 165-kilobase (kb) IncC self-transmissible plasmid, whereas blaIMP-4 was located in a blaIMP-4-qacG-aacA4-catB3 array of an integron on a 19-kb nonself-transmissible plasmid. Such coexistence has the potential to allow the generation of new, hybrid blaIMP variants by homologous recombination. The blaIMP-69-carrying IncC plasmid belonged to the core-genome plasmid multilocus sequence typing (cgPMLST) 3.5 type. We found that cgPMLST 3.5 IncC plasmids have been circulating worldwide for decades and may represent a common vehicle mediating the spread of antimicrobial resistance. [ABSTRACT FROM AUTHOR]
- Subjects :
- *DRUG resistance in bacteria
*DRUG resistance in microorganisms
*GENES
*AMINO acids
*PLASMIDS
*BACTERIAL proteins
*COMPARATIVE studies
*DNA
*ENTEROBACTERIACEAE
*HYDROLASES
*RESEARCH methodology
*MEDICAL cooperation
*MICROBIAL sensitivity tests
*RESEARCH
*EVALUATION research
*CARBAPENEMS
*SEQUENCE analysis
*PHARMACODYNAMICS
Subjects
Details
- Language :
- English
- ISSN :
- 00221899
- Volume :
- 221
- Database :
- Academic Search Index
- Journal :
- Journal of Infectious Diseases
- Publication Type :
- Academic Journal
- Accession number :
- 142313789
- Full Text :
- https://doi.org/10.1093/infdis/jiz476