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Acid rain solubilises aluminum which can exert toxic effects on soil bacteria. The root nodule bacterium Rhizobium leguminosarum biovar viciae synthesises the hydroxamate siderophore vicibactin in response to iron limitation. We report the effect of vicibactin on the toxicity of aluminum(III) to R. leguminosarum and kinetic studies on the reaction of vicibactin with Al(III) and Fe(III). Aluminum (added...
The addition of aluminum-maltol complex to PC12D cells induced a time-dependent and concentration-dependent growth inhibition as well as cell death, whereas aluminum chloride or maltol alone did not affect the viability of PC12D cells. Apoptosis of differentiated PC12D cells was assessed by using terminal deoxynucleotidyltransferase-mediated 2′-deoxyuridine-5′-triphosphate nick end labeling (TUNEL)...
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