O-antigen variation in Salmonella spp.: rfb gene clusters of three strains
Open Access
- 1 January 1988
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 170 (1) , 103-107
- https://doi.org/10.1128/jb.170.1.103-107.1988
Abstract
The O antigens of Salmonella serogroups A, B, and D differ structurally in their side-chain sugar residue. These genes encoding O-antigen biosynthesis are clustered in the rfb operon. We report here the molecular cloning and analysis of the rfb operons of Salmonella paratyphi A (serogroup A) and S. typhi (serogroup D). The regions of DNA nonhomology between the rfb operons of these serogroup A, B, and D representatives are identified, and the evolutionary derivation of serogroup A from a serogroup D progenitor is discussed.This publication has 19 references indexed in Scilit:
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