Defining the plasmid-borne restriction-modification systems of the Lyme disease spirochete Borrelia burgdorferi.

Abstract excerpt

The restriction-modification (R-M) systems of many bacteria present a barrier to the stable introduction of foreign DNA. The Lyme disease spirochete Borrelia burgdorferi has two plasmid-borne putative R-M genes, bbe02 and bbq67, whose presence limits transformation by shuttle vector DNA from Escherichia coli. We show that both the bbe02 and bbq67 loci in recipient B. burgdorferi limit transformation with shuttle...

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