ArticleBiometals : an international journal on the role of metal ions in biology, biochemistry, and medicine2022
Salicylate coordination in metal-protochelin complexes.
Article in Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 7 citations in OpenAlex.
- 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
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4 authors at 2 institutions in 1 country.
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Abstract
Molybdenum (Mo) is an essential trace element for bacteria that is utilized in myriad metalloenzymes that directly couple to the biogeochemical cycling of nitrogen, sulfur, and carbon. In particular, Mo is found in the most common nitrogenase enzyme, and the scarcity and low bioavailability of Mo in soil may be a critical factor that contributes to the limitation of nitrogen fixation in forests and agroenvironments. To overcome this scarcity, microbes produce exudates that specifically chelate scarce metals, promoting their solubilization and uptake. Here, we have determined the structure and stability constants of Mo bound by protochelin, a siderophore produced by bacteria under Mo-depleted conditions. Spectrophotometric titration spectra indicated a coordination shift from a catecholate to salicylate binding mode for Mo
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