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Synthesis of siderophores by soil bacteria of the genus Pseudomonas under various culture conditions

100%

Jankiewicz U.

Acta Scientiarum Polonorum. Agricultura

2006

tom 05

nr 2

The ability of six strains belonging to the genus Pseudomonas isolated from the rhizosphere of wheat to produce pyoverdin was examined. The studied strains demonstrated a varied level of production of the siderophore, depending on the culture conditions. The highest level of pyoverdin was determined after 72 hours of growth at 20-25°C in iron-free medium supplemented with succinate. The synthesis of pyoverdin by all the strains studied was strongly repressed by the addition of iron ions (III) to the growth medium. Calcium, cadmium and magnesium ions stimulated the synthesis of the siderophore examined, whereas zinc and lead ions partially decreased its level. Enrichment of the growth medium in cobalt ions completely inhibited the synthesis of siderophores as well as growth of the bacteria.

Purification and partial characterization of pyoverdine synthesized by Pseudomonas putida

84%

Jankiewicz U., Kuzawinska O.

Electronic Journal of Polish Agricultural Universities. Series Agronomy

2009

tom 12

nr 1

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Agricultura

1 Electronic Journal of Polish Agricultural Universities. Series Agronomy

2 Jankiewicz U.

1 Kuzawinska O.

1 2009

1 2006

Wyniki wyszukiwania

Synthesis of siderophores by soil bacteria of the genus Pseudomonas under various culture conditions

Purification and partial characterization of pyoverdine synthesized by Pseudomonas putida