Sizing of the Leptospira genome by pulsed-field agarose gel electrophoresis

Abstract
Pulsed-field gel electrophoresis allowed the determination of the size of the genome of Leptospira, a bacterium of the spirochete family. The three restriction enzymes, Not I (5′ GC/GGCCGC), Nhe I (5′-G/CTAGC), Apa I (5′-GGGCC/C) generated DNA fragments of suitable size. The results are compatible with a size of 5000 kb for the chromosome of both the pathogenic and the saprophytic species of Leptospira.

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