ArticleScientific reports2022
Synergistic use of siderophores and weak organic ligands during zinc transport in the rhizosphere controlled by pH and ion strength gradients.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 11 citations in OpenAlex.
- Enhancing Zinc Bioavailability in Rice Using the Novel Synthetic Siderophore Ligand Proline-2'-Deoxymugineic Acid (PDMA): Critical Insights from Metal Binding Studies and Geochemical Speciation Modeling.Journal of agricultural and food chemistry · 2025Article
- Degradation of catecholate, hydroxamate, and carboxylate model siderophores by extracellular enzymes.PloS one · 2025Article
- Stability of metal ion complexes with the synthetic phytosiderophore proline-2'-deoxymugineic acid.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2024Article
- Effect of Competing Metals and Humic Substances on Uranium Mobilization from Noncrystalline U(IV) Induced by Anthropogenic and Biogenic Ligands.Environmental science & technology · 2023Article
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Authors and funding
8 authors at 3 institutions in 4 countries.
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Abstract
Citrate (Cit) and Deferoxamine B (DFOB) are two important organic ligands coexisting in soils with distinct different affinities for metal ions. It has been theorized that siderophores and weak organic ligands play a synergistic role during the transport of micronutrients in the rhizosphere, but the geochemical controls of this process remain unknown. Here we test the hypothesis that gradients in pH and ion strength regulate and enable the cooperation. To this end, first we use potentiometric titrations to identify the dominant Zn(II)-Cit and Zn(II)-DFOB complexes and to determine their ionic strength dependent stability constants between 0 and 1 mol dm
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