P8249
Pyoverdines−Gallium (III) complex
from Pseudomonas fluorescens, >90% (HPLC)
Synonym(s):
Pyoverdines, Ga-Pv
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About This Item
UNSPSC Code:
12352200
biological source
Pseudomonas fluorescens
Assay
>90% (HPLC)
solubility
H2O: ~10 mg/mL
shipped in
wet ice
storage temp.
−20°C
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Biochem/physiol Actions
Gallium-pyoverdines act as growth inhibitors of both P. fluorescens and P. aeruginosa possibly due to gallium interference with bacterial iron metabolism.
Pyoverdines, also called pseuobactins and pyoverdins, are fluorescent siderophores that have high affinity for iron (1032 M-1), and are synthesized by fluorescent pseudomonads under iron-deficient growth conditions. Pyoverdines were shown to prevent iron toxicity produced by iron overload in hepatocyte cultures and effectively scavenges the hydroxyl and peroxyl radicals. Pyoverdines are effective in acquiring iron from transferrin and lactoferrin. Pyoverdines are also involved in the suppression of pythium-induced damping-off of tomato and promotion of growth in some higher plants.
Physical form
Supplied as a mixture containing mainly the succinic acid (MW=1231), 2-hydroxy glutaramide (MW=1260), and succinamide (MW=1230) forms of pyoverdines, bound to gallium.
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Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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