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. 1985 Feb;47(2):360–362. doi: 10.1128/iai.47.2.360-362.1985

Iron-vibriobactin transport system is not required for virulence of Vibrio cholerae.

S P Sigel, J A Stoebner, S M Payne
PMCID: PMC263175  PMID: 3967921

Abstract

The possible requirement of a functional siderophore (vibriobactin)-mediated iron transport system in the pathogenicity of Vibrio cholerae was determined. Two mutants of V. cholerae defective in the iron-vibriobactin transport system were examined for their ability to multiply and elicit diarrhea in infant mice. One mutant, 40130, was unable to synthesize vibriobactin. The second mutant, 1510, was able to synthesize, but not transport, the siderophore. Both mutants retained the ability to multiply and produce disease in the infant mouse, and virulence was indistinguishable from the parent strains. This indicates that a functional iron-vibriobactin transport system is not essential for cholera pathogenesis. These mutants, like the wild-type strains, were found to have a ferric citrate iron uptake system and could utilize citrate or asparagine for growth in low-iron medium. Compounds of this type may increase the availability of iron to V. cholerae in the host.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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