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

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 μg/ml.