Journal of Bacteriology, August 2001, p. 4771-4778, Vol. 183, No. 16
0021-9193/01/$04.00+0 DOI: 10.1128/JB.183.16.4771-4778.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
BB-1, a Bacteriophage of
Borrelia burgdorferi


Division of Biological Sciences, The University of Montana, Missoula, Montana 59812,1 and Laboratory of Human Bacterial Pathogenesis, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana 598402
Received 16 February 2001/Accepted 16 May 2001
We previously described a bacteriophage of the Lyme disease agent
Borrelia burgdorferi designated
BB-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
BB-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
BB-1 released from this B.
burgdorferi strain.
BB-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.
Present address: Center for Microbial Pathogenesis, University of
Connecticut Health Center, Farmington, CT 06030.
Present address: Center for Vascular Biology, Department of
Physiology, University of Connecticut Health Center, Farmington, CT 06030.
§
Present address: US Meat Animal Research Center, USDA, ARS, Clay
Center, NE 68933.
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