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Chemistry of marine ligands and siderophores Vraspir, J.M.; Butler, A. (2009). Chemistry of marine ligands and siderophores, in: Carlson, C.A. et al. Ann. Rev. Mar. Sci. 1. Annual Review of Marine Science, 1: pp. 43-63. https://dx.doi.org/10.1146/annurev.marine.010908.163712 In: Carlson, C.A.; Giovannoni, S.J. (Ed.) (2009). Ann. Rev. Mar. Sci. 1. Annual Review of Marine Science, 1. Annual Reviews: Palo Alto. ISBN 978-0-8243-4501-3. 466 pp. In: Annual Review of Marine Science. Annual Reviews: Palo Alto, Calif. ISSN 1941-1405; e-ISSN 1941-0611

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Beschikbaar in	Auteurs
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Trefwoorden

Chemical elements > Metals > Heavy metals > Cadmium Chemical elements > Metals > Heavy metals > Zinc Chemical elements > Metals > Transition elements > Heavy metals > Copper Chemical elements > Metals > Transition elements > Heavy metals > Iron Cobalt Nickel Marien/Kust

Author keywords

iron; cobalt; nickel; copper; zinc; cadmium

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Auteurs		Top
Vraspir, J.M. Butler, A.

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Abstract

Marine microorganisms presented with unique challenges to obtain essential metal ions required to survive and thrive in the ocean. The production of organic ligands to complex transition metal ions is one strategy to both facilitate uptake of specific metals, such as iron, and to mitigate the potential toxic effects of other metal ions, such as copper. A number of important trice metal ions are complexed by organic ligands in seawater, including iron, cobalt, nickel, copper, zinc, and cadmium, thus defining the speciation of these metal ions in the ocean. In the case of iron, siderophores have been identified and structurally characterized. Siderophores are low molecular weight iron-binding ligands produced by marine bacteria. Although progress has been made toward the identity of in situ iron-binding ligands, few compounds have been identified that coordinate the other trace metals. Deciphering the chemical structures and production stimuli of naturally produced organic ligands and the organisms they come from is fundamental to understanding metal speciation and bioavailability. The current evidence for marine ligands, with in emphasis on siderophores, and discussion of the importance and implications of metal-binding ligands in controlling metal speciation and cycling within the world's oceans are presented.

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