TABLE 2.
Results of bioassays using vanchrobactin analogues and purified siderophores
| Compound | Promotion of the growth of V. anguillarum indicator strainsa
|
||||
|---|---|---|---|---|---|
| MB11 (ΔvabB) | MB102 (ΔvabB ΔfvtA) | MB104 (ΔvabB Δorf13) | MB107 (ΔvabB ΔfvtA Δorf13) | MB102 (pMB54) | |
| Vanchrobactin (DHBA-Arg-Ser) | + | − | + | − | + |
| DHBA-Orn | + | − | + | − | + |
| DHBA-Orn-Ser | + | − | + | − | + |
| DHBA-Ser | + | − | + | − | + |
| DHBA-Ser-Arg | + | − | + | − | + |
| DHBA-Arg | + | − | + | − | + |
| Amonabactin | − | − | − | − | − |
| Anguibactin | − | − | − | − | − |
| Enterobactin | + | (+) | + | (+) | + |
| Ferrichromeb | + | + | + | + | + |
| Aerobactinb | − | − | − | − | − |
a
The abilities of the different compounds to promote the growth of each indicator strain are indicated as follows: +, positive; −, negative; (+), weakly positive.
b
Hidroxamate-type siderophore.