TABLE 4.
Growth promotion test of various natural siderophores
| Siderophore | Growth zonea
|
||||
|---|---|---|---|---|---|
| mc2155 | M24 | B1 | B3 | U3 | |
| Aerobactinb | +++ | +++ | +++ | +++ | +++ |
| Arthrobactinb | +++ | +++ | +++ | +++ | +++ |
| Amycolachromb | +++ | +++ | +++ | +++ | − |
| Coprogenc | − | − | − | − | − |
| Corynebactind | +++ | +++ | +++ | − | − |
| Enterobactinb | +++ | ++ | +++ | + | + |
| Exocheline | +++ | +++ | ++ | ++ | − |
| Ferricrocinb | +++ | +++ | ++ | − | − |
| Ferrichromeb | +++ | +++ | +++ | +++ | +++ |
| Ferrichrome A†b | +++ | +++ | +++ | ++ | ++ |
| Ferrichrysinb | − | − | − | − | − |
| Ferrioxamine Bb | ++ | ++ | ++ | − | − |
| Ferrioxamine D1b | +++ | ++ | +++ | − | − |
| Ferrioxamine D2b | ++ | ++ | − | − | − |
| Ferrioxamine Eb | ++ | ++ | − | − | − |
| Ferrioxamine Gb | + | − | − | − | − |
| Ferrirubinb | − | − | − | − | − |
| Ferrithiocinb | +++ | +++ | +++ | +++ | − |
| Mycobactin | +++ | +++ | +++ | +++ | +++ |
| Myxochelin Ce | +++ | +++ | +++ | ++ | +++ |
| Myxochelin Ee | − | − | − | − | − |
| Omibactinf | +++ | +++ | +++ | ++ | ++ |
| Triacetylfusarininec | ++ | ++ | + | + | + |
| Rhizoferrinf | ++ | + | ++ | + | + |
| Rhodotorulic acidc | +++ | − | − | − | − |
a
−, no growth zone; +, growth zones, <12 mm; ++, growth zones, 12 to 20 mm; +++, growth zones, >20 mm.
b
Siderophores were kindly supplied by H.-P. Fiedler, Tübingen, Germany.
c
Siderophores were kindly supplied by B. F. Matzanke, Lübeck, Germany.
d
Siderophores were kindly supplied by H. Budzikiewicz, Cologne, Germany.
e
Siderophores were kindly supplied by R. Reissbrodt, Wernigerode, Germany.
f
Siderophores were kindly supplied by G. Winkelmann, Tübingen, Germany.