Identification and sequence of the gene for abequose synthase, which confers antigenic specificity on group B salmonellae: homology with galactose epimerase.

@article{Wyk1989IdentificationAS,
  title={Identification and sequence of the gene for abequose synthase, which confers antigenic specificity on group B salmonellae: homology with galactose epimerase.},
  author={P. W. J. van Wyk and Peter Reeves},
  journal={Journal of bacteriology},
  year={1989},
  volume={171 10},
  pages={5687-93}
}
The O antigen of Salmonella group B strains contains the sugar abequose, whereas those from group A and D strains contain paratose or tyvelose in its place. This is the essential difference between these Salmonella groups. Only the final step in the biosynthesis of abequose differs from that of paratose, and the abequose confers on group B strains their specific O4 antigen. The gene, rfbJ, encoding the enzyme abequose synthase for this last specific step has been cloned, identified, and… CONTINUE READING

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