NYMC Faculty Publications

Title

Cloning and DNA Sequence Analysis of bmpC, a Gene Encoding a Potential Membrane Lipoprotein of Borrelia Burgdorferi

Document Type

Article

Publication Date

October 1994

Department

Microbiology and Immunology

Abstract

Immunoscreening of a lambda gt11 genomic library of Borrelia burgdorferi expressed in Escherichia coli permitted detection of a clone containing a partial sequence of a B. burgdorferi gene encoding a protein with significant homology to TmpC of Treponema pallidum. Subsequent cloning and DNA sequence analysis revealed an open reading frame encoding a protein with 353 amino acid residues. The open reading frame is preceded by putative promoter sequences and a ribosome binding site, and is initiated with a TTG. The putative protein shares 26% identity with TmpC, contains a signal peptidase II sequence, and is also homologous to the gene products of the recently described bmpA and bmpB of B. burgdorferi. This gene has been designated bmpC. Additional sequencing and restriction analysis indicate that it is located at approximately 400 kbp on the chromosomal map of B. burgdorferi, immediately upstream of bmpA and bmpB.

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