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EnglishWe describe the spread of 12 carbapenem-resistant Acinetobacter baumannii isolates in hospitalized patients. All strains showed an extensively drug-resistant phenotype and high-level of aminoglycoside resistance, harboring the ArmA gene and blaoxa-23 downstream of ISAba1 (transposon Tn2008 arrangement) where both were located on the chromosome. These strains carry a class 1 integrone containing the gene cassette aacA4-catB8-aadA1. Molecular analysis revealed that all isolates belonged to the same sequence type (ST) 2 clone. The spread of ArmA-producing A. baumannii strains limit the treatment options showing the dramatic situation which requires novel therapies to limit high mortality rates.
| Titolo: | Extensively drug-resistant ArmA-producing Acinetobacter baumannii in an Italian intensive care unit |
| Autori interni: | MEZZATESTA, Maria Lina (Corresponding) |
| Data di pubblicazione: | 2018 |
| Rivista: | |
| Abstract: | We describe the spread of 12 carbapenem-resistant Acinetobacter baumannii isolates in hospitalized patients. All strains showed an extensively drug-resistant phenotype and high-level of aminoglycoside resistance, harboring the ArmA gene and blaoxa-23 downstream of ISAba1 (transposon Tn2008 arrangement) where both were located on the chromosome. These strains carry a class 1 integrone containing the gene cassette aacA4-catB8-aadA1. Molecular analysis revealed that all isolates belonged to the same sequence type (ST) 2 clone. The spread of ArmA-producing A. baumannii strains limit the treatment options showing the dramatic situation which requires novel therapies to limit high mortality rates. |
| Handle: | http://hdl.handle.net/20.500.11769/320328 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| ArmA A.baumannii - New Microbiologica 2018.pdf | Articolo principale | Versione Editoriale (PDF) | Administrator |
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