Biological activity of Fe(iii) aquo-complexes towards ferric chelate reductase (FCR)
Organic & Biomolecular Chemistry2011Vol. 10(11), pp. 2272–2272
Citations Over TimeTop 17% of 2011 papers
Rosa Escudero, Mar Gómez‐Gallego, Santiago Romano, Israel Fernández, A. Gutiérrez, Miguel Á. Sierra, Sandra López‐Rayo, Paloma Nadal, Juan J. Lucena
Abstract
In this study we have obtained experimental evidence that confirms the high activity of aquo complexes III and IV towards the enzyme FCR, responsible for the reduction of Fe(III) to Fe(II) in the process of iron acquisition by plants. The in vivo FCR assays in roots of stressed cucumber plants have shown a higher efficiency of the family of complexes III and a striking structure-activity relationship with the nature of the substituent placed in a phenyl group far away from the metal center. The results obtained in this work demonstrate that all the aquo compounds tested interact efficiently with the enzyme FCR and hence constitute a new concept of iron chelates that could be of great use in agronomy.
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