A multicenter survey, carried out in 2010 in Argentina, showed an increased prevalence of extended-spectrum β-lactamase (ESBL)-producing enterobacteria, with some changes in the molecular epidemiology of circulating ESBLs. While enzymes of the CTX-M-2 group remain endemic, the emergence of CTX-M-15 and of enzymes of the CTX-M-8 and CTX-M-9 groups was observed. The CTX-M-15-positive isolates represented 40% of CTX-M producers and included representatives of Escherichia coli ST131 and Klebsiella pneumoniae ST11.
Sennati, S., Santella, G., Di Conza, J., Pallecchi, L., Pino, M., Ghiglione, B., et al. (2012). Changing epidemiology of extended-spectrum β-lactamases in Argentina: emergence of CTX-M-15. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 56(11), 6003-6005 [10.1128/AAC.00745-12].
Changing epidemiology of extended-spectrum β-lactamases in Argentina: emergence of CTX-M-15
Pallecchi L.;
2012-01-01
Abstract
A multicenter survey, carried out in 2010 in Argentina, showed an increased prevalence of extended-spectrum β-lactamase (ESBL)-producing enterobacteria, with some changes in the molecular epidemiology of circulating ESBLs. While enzymes of the CTX-M-2 group remain endemic, the emergence of CTX-M-15 and of enzymes of the CTX-M-8 and CTX-M-9 groups was observed. The CTX-M-15-positive isolates represented 40% of CTX-M producers and included representatives of Escherichia coli ST131 and Klebsiella pneumoniae ST11.
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https://hdl.handle.net/11365/39264
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