Volume 9, Number 10—October 2003
Research
Cephamycin Resistance in Clinical Isolates and Laboratory-derived Strains of Escherichia coli, Nova Scotia, Canada
Figure 1

Figure 1. Sequences of Escherichia coli AmpC promoters showing mutations detected in cephamycin-resistant strains. The consensus sequence for E. coli K12 is shown in the last row. The promoter region is in boldface. The –35 and –10 (Pribnow box) hexamers are underlined. The number of strains with these mutations is indicated on the left.