1887

Abstract

One hundred and twenty-six epidemiologically sequential, unrelated, carbapenem-resistant isolates from nine hospitals in six countries of South America were collected between July 2013 and June 2014. Genes coding for Ambler class D and B carbapenemases were sought by PCR. All isolates were typed using the 3-locus sequence typing and sequence-based typing techniques. The gene was recovered in all the participating hospitals and in all the isolates of seven of nine medical centres. The gene was only recovered in the two medical centres from Guayaquil city, Ecuador. Trilocus sequence typing revealed the presence of sequence groups SG2, SG4 and SG5. sequence-based typing revealed the presence of , , and . Our results showed that the population of carbapenem-resistant in South America was principally associated with ST79, ST25 and ST15 (92 %) and harboured the gene mainly. CC2 was not detected.

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2016-10-18
2020-04-08
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