| Autor: |
Manwar, A. V., Khandelwal, S. R., Chaudhari, B. L., Meyer, J. M., Chincholkar, S. B. |
| Zdroj: |
Applied Biochemistry and Biotechnology; July 2004, Vol. 118 Issue: 1-3 p243-251, 9p |
| Abstrakt: |
A marine isolate of fluorescent Pseudomonassp. having the ability to produce the pyoverdine type of siderophores under low iron stress (up to 10 µMiron in the succinate medium) was identified as Pseudomonas aeruginosaby using BIOLOG Breathprint and siderotyping. Pyoverdine production was optimum at 0.2% (w/v) succinate, pH 6.0, in an iron-deficient medium. Studies carried out in vitro revealed that purified siderophores and Pseudomonasculture have good antifungal activity against the plant deleterious fungi, namely, Aspergillus niger, Aspergillus flavus, Aspergillus oryzae, Fusarium oxysporum, and Sclerotium rolfsii. Siderophore-based maximum inhibition was observed against A. niger. These in vitro antagonistic actions of marine Pseudomonasagainst phytopathogens suggest the potential of the organism to serve as a biocontrol agent. |
| Databáze: |
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