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Diagn Microbiol Infect Dis. 2007 Jul;58(3):283-7. Epub 2007 Mar 26.

Genetic relatedness of multidrug-resistant Escherichia coli cultured from geographically diverse outpatient, midstream urine specimens.

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Department of Clinical Microbiology, Health Sciences Centre/Diagnostic Services of Manitoba, Winnipeg, Manitoba, Canada R3A 1R9.


Genomic DNA from 70 demographically matched geographically diverse pairs of urinary isolates of antimicrobial-susceptible and multidrug-resistant Escherichia coli was restricted using XbaI and analyzed by pulsed-field gel electrophoresis. Antimicrobial-susceptible isolates demonstrated limited genetic relatedness, whereas 2 epidemiologic clusters containing a total of 40 isolates (57.1%) were identified among the multidrug-resistant isolates.

[Indexed for MEDLINE]

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