%0 Journal Article %A Arduino, Sonia M. %A Quiroga, María Paula %A Ramírez, María Soledad %A Merkier, Andrea Karina %A Errecalde, Laura %A Di Martino, Ana %A Smayevsky, Jorgelina %A Kaufman, Sara %A Centrón, Daniela %T Transposons and integrons in colistin-resistant clones of Klebsiella pneumoniae and Acinetobacter baumannii with epidemic or sporadic behaviour %D 2012 %J Journal of Medical Microbiology, %V 61 %N 10 %P 1417-1420 %@ 1473-5644 %R https://doi.org/10.1099/jmm.0.038968-0 %I Microbiology Society, %X Multiple transposons, integrons and carbapenemases were found in Klebsiella pneumoniae colistin-resistant isolates as well as a genomic resistance island of the AbaR type in Acinetobacter baumannii colistin-resistant isolates from different hospitals from Buenos Aires City. PFGE analysis showed a polyclonal dissemination of antimicrobial resistance mechanisms among K. pneumoniae isolates, while in A. baumannii isolates the epidemic clone 1 from South America was found. Resistance determinants associated with horizontal gene transfer are contributing to the evolution to pandrug resistance in both epidemic and sporadic clones. %U https://www.microbiologyresearch.org/content/journal/jmm/10.1099/jmm.0.038968-0