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Complete Sequence of pSAM7, an IncX4 Plasmid Carrying a Novel bla CTX-M-14b Transposition Unit Isolated from Escherichia coli and Enterobacter cloacae from Cattle

2013; American Society for Microbiology; Volume: 57; Issue: 9 Linguagem: Inglês

10.1128/aac.01157-13

1098-6596

M. O. Stokes, Manal AbuOun, S. Umur, Guanghui Wu, Sally R. Partridge, Dik Mevius, N. G. Coldham, Mark D. Fielder,

Enterobacteriaceae and Cronobacter Research

The same plasmid carrying blaCTX-M-14b was identified from an Escherichia coli isolate and an Enterobacter cloacae isolate collected from cattle in the United Kingdom by complete plasmid sequencing. This 35,341-bp plasmid, pSAM7, had an IncX4 backbone that is 99% identical to that of pJIE143 from a human isolate in Australia. PCR screening identified pSAM7-like plasmids in three other E. coli isolates of different multilocus sequence types isolated from cattle on different farms in the United Kingdom.