First occurrence of blaOXA-58 in Acinetobacter baumannii isolated from a clinical sample in Southern Brazil

de Souza Gusatti, CarolinaMartins Bertholdo, LaurenMuner Otton, LetíciaPadilha Marchetti, DesiréeEinsfeld Ferreira, AlessandraCorção, Gertrudes

This is the first report of an Acinetobacter baumannii from clinical origin carrying the blaOXA-58 gene in Brazil. The isolate included in this study was from a patient during an outbreak in Porto Alegre, RS, Southern Brazil, in 2007. It was resistant to most of the beta-lactams tested, it has also the blaOXA-65 gene and the ISAba1 sequence located upstream to both blaOXA genes detected and it has a MIC of imipenem of 64 g/mL.

1. carbapenemases
2. Acinetobacter baumannii
3. blaOXA-58
4. ISAba1
5. blaOXA-65