From multidrug-resistant to extensively drug-resistant tuberculosis in Lisbon, Portugal: The stepwise mode of resistance acquisition
- Authors: Couto I, Jordao L, Macedo R, Machado D, Perdigão J, Portugal I, Silva C, Viveiros M
- Publication Year: 2013
- Journal: Journal of Antimicrobial Chemotherapy
- Link: http://www.ncbi.nlm.nih.gov/pubmed/23054995
The development and transmission of extensively drug-resistant (XDR) tuberculosis (TB) constitutes a serious threat to the effective control of TB in several countries. Here, in an attempt to further elucidate the dynamics of the acquisition of resistance to second-line drugs and investigate an eventual role for eis promoter mutations in aminoglycoside resistance, we have studied a set of multidrug-resistant (MDR)/XDR-TB isolates circulating in Lisbon, Portugal.
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