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Evolution of Salmonella O antigen variation by interspecific gene transfer on a large scale
1Microbiology Department, University of Sydney, NSW, Australia.
Trends in Genetics : TIG
|January 1, 1993
Abstract:
The O antigen is a bacterial surface polysaccharide made up of repeats of a short oligosaccharide. There are about 60 forms of O antigen in Salmonella, and genetic analysis indicates that these were acquired by interspecific gene transfer.