Journal Article

The Requirement of Selenium for the Growth of Marine Coccolithophorids, <i>Emiliania huxleyi, Gephyrocapsa oceanica</i> and <i>Helladosphaera</i> sp. (Prymnesiophyceae)

Akiko Danbara and Yoshihiro Shiraiwa

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 40, issue 7, pages 762-766
Published in print January 1999 | ISSN: 0032-0781
Published online January 1999 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029603
The Requirement of Selenium for the Growth of Marine Coccolithophorids, Emiliania huxleyi, Gephyrocapsa oceanica and Helladosphaera sp. (Prymnesiophyceae)

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Marine coccolithophorids, Emiliania huxleyi, Gephyrocapsa oceanica and Helladosphaera sp. were found to require selenium for their growth. The optimum concen trations were 1–10 nM for SeO2 and SeO32− and above 1 μM for SeO24− During the depletion of selenium algal growth was strongly suppressed accompanied with the decrease in net photosynthesis.

Keywords: Artificial seawater; Coccolithophorids; Emiliania huxleyi; Gephyrocapsa oceanica; Helladosphaera; Selenium-depletion; Selenium-requirement

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Subjects: Plant Sciences and Forestry ; Biochemistry ; Molecular and Cell Biology

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