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Copper-containing plastocyanin used for electron transport by an oceanic diatom

Author

Listed:
  • Graham Peers

    (McGill University)

  • Neil M. Price

    (McGill University)

Abstract

Trading iron for copper Diatoms are responsible for 40% of ocean production and are strongly limited by the lack of iron salts in the sea. The shortage of this important nutrient may explain a surprising discovery: the oceanic diatom Thalassiosira oceanica uses a copper-containing plastocyanin for electron transport. All other chlorophyll c-containing taxa, including coastal diatoms, use the iron-containing cytochrome c6 instead. The use of these metalloproteins matches the availabilities of copper and iron in the ocean, and this new discovery suggests that copper is a potentially important nutrient in the open sea.

Suggested Citation

  • Graham Peers & Neil M. Price, 2006. "Copper-containing plastocyanin used for electron transport by an oceanic diatom," Nature, Nature, vol. 441(7091), pages 341-344, May.
    • Handle: RePEc:nat:nature:v:441:y:2006:i:7091:d:10.1038_nature04630
    DOI: 10.1038/nature04630
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    Cited by:

    1. Nermin A. El Semary, 2022. "Iron-Marine Algal Interactions and Impacts: Decreasing Global Warming by Increasing Algal Biomass," Sustainability, MDPI, vol. 14(16), pages 1-11, August.
    2. Lola Gilbert & Tiphaine Jeanniard-du-Dot & Matthieu Authier & Tiphaine Chouvelon & Jérôme Spitz, 2023. "Composition of cetacean communities worldwide shapes their contribution to ocean nutrient cycling," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    3. Robert H. Lampe & Tyler H. Coale & Kiefer O. Forsch & Loay J. Jabre & Samuel Kekuewa & Erin M. Bertrand & Aleš Horák & Miroslav Oborník & Ariel J. Rabines & Elden Rowland & Hong Zheng & Andreas J. And, 2023. "Short-term acidification promotes diverse iron acquisition and conservation mechanisms in upwelling-associated phytoplankton," Nature Communications, Nature, vol. 14(1), pages 1-19, December.

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