Iron stress and pyoverdin production by a fluorecent Pseudomonad in the rhizosphere of white lupine (Lupinus albus L.) and barley (Hordeum vulgare L.)

Article Abstract:

Pseudomonas fluroscens Pf-5 (pvd-inaZ) induces low iron stress and pyoverdin production in the rhizosphere of white lupine (Lupinus albus L.) and barley (Hordeum vulgare L.) in a soil low in available iron. The ice nucleation activity ranges from -3.0 to -2.8 log ice nuclei CFU(super -1) for barley and from -3.4 to -3.0 log ice nuclei CFU(super -1) for lupine. The ice nucleation activity remains unchanged over time and is similar in all root zones. The maximum pyoverdin accumulation is 0.5 and 0.8 nmol g of root(super -1) for lupine and barley, respectively.

Health aspects, Research, Analysis, Iron, Iron (Metal), Pseudomonas fluorescens, Rhizosphere, Barley, Lupines

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Organotin decomposition by pyochelin, secreted by Pseudomonas aeruginosa even in an iron-sufficient environment

Article Abstract:

The decomposition of triphenyltin chloride (TPT) by Pseudomonas aeruginosa is investigated. It is observed that the microorganism secretes pyochelin (PCH) as the organotin-decomposing factor, even in the presence of 100 muM of iron.

All Other Basic Organic Chemical Manufacturing, Industrial Organic Chemicals, Organotin Compounds, Genetic aspects, Observations, Biodegradation, Composition, Pseudomonas aeruginosa, Iron proteins

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