Dissemination of a Carbapenem-Resistant Acinetobacter baumannii Strain Belonging to International Clone II/Sequence Type 2 and Harboring a Novel AbaR4-Like Resistance Island in Latvia
AuthorSaule, Mara; Samuelsen, Ørjan; Dumpis, Uga; Sundsfjord, Arnfinn; Karlsone, Aija; Balode, Arta; Miklasevics, Edvins; Karah, Nabil
An outbreak of hospital-acquired Acinetobacter baumannii infections, caused by a blaOXA-23-positive carbapenem-resistant strain belonging to international clone II/ST2, was detected in Latvia. The strain was partially equipped with the armA gene and the intI1-aacA4-catB8-aadA1-qacE 1 class 1 integron. In addition, the strain carried AbaR25, a novel AbaR4-like resistance island of 46,500 bp containing structures similar to the previously described AbaR22 and Tn6167 islands. AbaR25 was characterized by the occurrence of a second copy of Tn6022a interrupted by Tn2006 carrying the blaOXA-23 gene.
PublisherAmerican Society for Microbiology
CitationAntimicrobial Agents and Chemotherapy 57(2013) nr. 2 s. 1069-1072
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