Received: 19 Feb, 2013 Accepted: 25 Apr, 2013AbstractBackground & Aims: One of the most prevalent bacterial infections is urinary tract infection (UTI) and Escherichia coli has been isolated from 75-90 percent of UTI cases. On the other hand, the rate of community acquired UTI caused by extended spectrum beta-lactamase producing E. coli, in particular blaCTX-M is increasing worldwide. Therefore...