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Pulsed-field gel electrophoresis of XbaI-digested genomic DNA from MG1655 and EVG1064. Lanes: 1, lambda ladder; 2, MG1655; 3, EVG1064; 4, low-range ladder; 5, midrange ladder; 6, MG1655; 7, EVG1064; 8, lambda ladder. Notice the lack of difference between the fragmentation patters between MG1655 and EVG1064, which is indicative of the absence of large chromosomal rearrangements between the two strains.
