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Transduction by phiBB-1, a bacteriophage of Borrelia burgdorferi.


We previously described a bacteriophage of the
Lyme disease agent Borrelia burgdorferi designated phiBB-1. This phage packages the host complement of the 32-kb circular plasmids (cp32s), a group of homologous molecules found throughout the genus Borrelia. To demonstrate the ability of phiBB-1 to package and transduce DNA, a kanamycin resistance cassette was inserted into a cloned fragment of phage DNA, and the resulting construct was transformed into B. burgdorferi CA-11.2A cells. The kan cassette recombined into a resident cp32 and was stably maintained. The cp32 containing the kan cassette was packaged by phiBB-1 released from this B. burgdorferi strain. phiBB-1 has been used to transduce this antibiotic resistance marker into naive CA-11.2A cells, as well as two other strains of B. burgdorferi. This is the first direct evidence of a mechanism for lateral gene transfer in B. burgdorferi.

J Bacteriol. 2001 Aug;183(16):4771-8. Research Support, Non-U.S. Gov’t; Research Support, U.S. Gov’t, Non-P.H.S.; Research Support, U.S. Gov’t, P.H.S. [1]