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. 2004 Oct;70(10):6247–6256. doi: 10.1128/AEM.70.10.6247-6256.2004

FIG. 4.

FIG. 4.

Direct comparison of strains to measure the subtle size difference in SfiI fragments. SfiI digests of genomic DNA prepared from strains Marburg 168, BEST195, and BEST217 were electrophoresed. A mixture of two strains (MIX) revealed all the SfiI fragments from both strains and the subtle size difference. Details are described in the Results. Lane M contained lambda phage DNA as a size marker. The running conditions for both gels were as follows: 3.3 V/cm, a pulse time of 24 s, and incubation for 48 h at 14°C.