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Domoic acid: The synergy of iron, copper, and the toxicity of diatoms


Domoic acid: The synergy of iron, copper, and the toxicity of diatoms



Limnology and Oceanography 50(6): 1908-1917



ISSN/ISBN: 0024-3590

DOI: 10.2307/3597931

Diatom blooms generated by the alleviation of iron limitation in high nitrate-low chlorophyll (HNLC) regions of the oceans often are composed of pennate diatoms of the genus Pseudo-nitzschia, many of which periodically produce the potent neurotoxin domoic acid. We show that toxigenic diatoms have an inducible high-affinity iron uptake capability that enables them to grow efficiently on iron complexed by strong organic ligands in seawater.

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Accession: 011975365

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