… highlighting the detection of ST131 clone and its emerging ST131-B2-O25:H4-H30-Rx
subclone. Future studies are necessary to track the dissemination of the MDR ST131 clone in this …

… bloodstream infections owing to extended-spectrum β-lactamase (ESBL)-producing bacteria…
coli was mainly due to a single clone (ST131) and that foreign travel to high-risk areas, such …

… A total of 1,021 extended-spectrum-β-lactamase-producing Escherichia coli (ESBLEC) …
O25b:H4-B2-ST131 (sequence type 131) clonal group. Overall, 195 (19%) O25b-ST131 isolates …

… :H4-ST131 isolates identified in our study were positive for the afa operon and were susceptible
to gentamicin, as well as epidemic O25-ST131 … of clone O25b:H4-ST131 producing CTX-…

Objectives In view of the intercontinental emergence of Escherichia coli clone O25:H4-ST131
producing CTX-M-15 extended-spectrum β-lactamase (ESBL) in human clinical settings it …

… Uropathogenic and invasive Escherichia coli O25:H4-ST131 isolates producing CTX-M-15
extended-spectrum β-lactamase (ESBL) enzymes have recently been shown to be …

… ST131 and non-ST131 isolates exhibited comparatively few significant resistance prevalence
differences for β-lactam agents, but non-ST131 … to numerous non-β-lactam agents (Table 4)…

… internationally disseminated O25b:H4-ST131 lineage. This … the successful dissemination
of ST131 are unknown, as is the … and belonging to the O25b:H4-ST131 lineage. The Thames …

… —particularly from ST131—harboring determinants for extended-spectrum β-lactamases (ESBLs…
The CTX-M-15 β-lactamase is the dominant ESBL in ST131 and is increasingly found in …

… that the B2-ST131-O16 clonal group was closely related to the B2-ST131-O25b clonal group.
… , including ST131, ST405, ST393 and ST69. We further investigated ST131 variants that …