FIG. 1.
PFGE of SfiI-digested genomic DNA from CDEC isolates. Lanes: 1, O4:H5 strain E15; 2 to 7, O4:H40 strains E01b, E26, G30a, C62a, C81, and E58, respectively; 8, O4:H1 strain G131a. Size markers are the λ pulsed-field ladder (Bio-Rad).
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