title: Escherichia coli O25b:H4-ST131 str. EC958
organism: Escherichia coli O25b:H4-ST131
description: Strain EC958 was selected as a representative of the ST131 CTX-M-15 producing lineage circulating in the Northwest region of England (from an area encompassing Greater Manchester in the South to the Lake District in the North during the period of October 2004 to June 2009). It was recovered from a urine sample of a patient presenting in the community with UTI. It was gentamicin susceptible, resistant to ciprofloxacin, produced CTX-M-15 ESBL and carried the CMY-23 type AmpC cephalosporinase. In addition, EC958 is a member of the PFGE defined UK epidemic strain A.