Escherichia coli from Italy producing OXA-48 carbapenemase encoded by a novel Tn1999 transposon derivative.

OXA-48 is an emerging class D carbapenemase originally identified in isolates from Turkey ([14][1]) and subsequently detected in several European and north African countries ([10][2]). Klebsiella pneumoniae is the most common host for OXA-48, but the enzyme has also been detected in Escherichia coli