TABLE 1.

Bioassay results

StrainResult with following Fe source:
FACaAng.bEnt.cFer.dHeme
V. anguillarum 775+e++++
H775-3h+f+++
MS533 (tonB1)+++++
MS801 (tonB2)+++
MS658 (tonB1 tonB2)+
MS801/pMS789i+++++
MS658/pMS789+++++
E. coli W3110+NDg++ND
E. coli KP1032+NDND
E. coli KP1032/pMS789+NDND
  • a FAC, ferric ammonium citrate.

  • b Ang.: anguibactin from V. anguillarum 775.

  • c Ent.: enterobactin from E. coli HB101.

  • d Fer., ferrichrome.

  • e +, positive, forming a zone of growth around the iron source.

  • f −, negative, no zone of growth around iron source.

  • g ND, not determined.

  • h Plasmidless derivative of V. anguillarum 775 lacking the anguibactin transport system.

  • i Plasmid containing the V. anguillarum tonB2, exbB2, and exbD2 genes.