International Journal of Microbiology

Research Article

Prevalence of Multidrug Resistance and Extended-Spectrum β-Lactamase Carriage of Clinical Uropathogenic Escherichia coli Isolates in Riyadh, Saudi Arabia

Table 5

The distribution of β-lactamase genes among ESBL-producing E. coli isolates.
Isolate IDβ-lactamase typesCTX-M G1 variants
CTX-M G1CTX-M G2CTX-M G9TEMOXASHV
U1+−−−−−CTX-M-15
U4+−−−−−CTX-M-15
U7+−−−−−CTX-M-15
U9+−−−−−CTX-M-15
U10+−−−−−CTX-M-15
U11+−−−−−CTX-M-15
U12+−−−−−CTX-M-15
U15+−−−+−CTX-M-15
U16+−−−−−CTX-M-15
U17+−−−−−CTX-M-15
U20+−−−−−CTX-M-15
U24+−−−−−CTX-M-15
U27+−−−−−CTX-M-15
U28+−−−+−CTX-M-15
U31+−−−+−CTX-M-15
U46+−−−+−CTX-M-15
U55+−−++−CTX-M-15
U57+−−−−−CTX-M-15
U63+−−−+−CTX-M-15
U65+−−++−CTX-M-15
U66+−−+−−CTX-M-15
U68+−−−−−CTX-M-15
U71+−−−−−CTX-M-15
U73+−−−+−CTX-M-15
U74+−−−−−CTX-M-15
U75−−−+−−NA1
U78+−−−−−CTX-M-15
U82+−−++−CTX-M-15
U85+−−++−CTX-M-15
U87+−−−+−CTX-M-15
U93+−−+−−CTX-M-15
U95−−−++−NA
U98+−−+−−CTX-M-15
1Nonapplicable.