Alternative methods of attenuating Salmonella species for potential vaccine use

D. R. Wilson, S. Chatfield, J. Betts, A. Griffiths, K. Y. Leung, G. Dougan, B. B. Finlay

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)


Because of their invasive properties, Salmonella species are uniquely suited for use as live oral vaccines, and mutants attenuated in general metabolic functions show promise as vaccine strains. We have identified a Salmonella choleraesuis transposon mutant which is deficient in abilities to attach to, invade or penetrate through animal cells. This mutant is avirulent in mice, yet is able to persist within the liver, spleen and gut-associated lymphoid tissue for periods which may be adequate for induction of secretory, humoral and cell-mediated immunity. This and other strains attenuated in factors specifically required for Salmonella pathogenesis may have potential as vaccine strains.

Original languageEnglish
Pages (from-to)827-830
Number of pages4
JournalResearch in Microbiology
Issue number7-8
Publication statusPublished - 1 Jan 1990
Externally publishedYes


  • Mutant, Attenuating species
  • Salmonella choleraesuis, Transposon, Vaccine

Cite this