Volume 22, Number 4—April 2016
Research
Limited Dissemination of Extended-Spectrum β-Lactamase– and Plasmid-Encoded AmpC–Producing Escherichia coli from Food and Farm Animals, Sweden
Figure 2
![Frequency of overlapping plasmid replicon types containing extended-spectrum β-lactamase– and plasmid-encoded AmpC genes in Escherichia coli isolates from various sources, Sweden. Data for leafy greens were excluded because there were only 2 isolates (incI1 and incI2). Other replicon types also include nontypeable plasmids. Gray bar indicates plasmids that could not be transferred by electroporation, primarily isolates with blaCTX-M-15 and blaCTX-M-2.](/eid/images/15-1142-F2.jpg)
Figure 2. Frequency of overlapping plasmid replicon types containing extended-spectrum β-lactamase– and plasmid-encoded AmpC genes in Escherichia coli isolates from various sources, Sweden. Data for leafy greens were excluded because there were only 2 isolates (incI1 and incI2). Other replicon types also include nontypeable plasmids. Gray bar indicates plasmids that could not be transferred by electroporation, primarily isolates with blaCTX-M-15 and blaCTX-M-2.
1These authors contributed equally to this article.
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