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Identification and characterization of a site-specific tyrosine recombinase within the variable loci of Mycoplasma bovis, Mycoplasma pulmonis and Mycoplasma agalactiae.

Authors
Type
Published Article
Journal
Gene
0378-1119
Publisher
Elsevier
Publication Date
Volume
292
Issue
1-2
Pages
205–211
Identifiers
PMID: 12119115
Source
Medline
License
Unknown

Abstract

Three highly mutable loci of the wall-less pathogens Mycoplasma bovis, Mycoplasma pulmonis and Mycoplasma agalactiae undergo high-frequency genomic rearrangements and generate extensive antigenic variation of major surface lipoproteins. Adjacent to each locus, an open reading frame exists as a single chromosomal copy and is predicted to encode a site-specific DNA recombinase exhibiting high homology to the recombinases XerD of Escherichia coli and CodV of Bacillus subtilis. Each of the mycoplasmal proteins are members of the lambda integrase family of tyrosine site-specific recombinases and likely mediates site-specific DNA inversions observed within the adjacent, variable loci.

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