Journal Article

Exposure of <i>Dunaliella salina</i> to Low Temperature Mimics the High Light-Induced Accumulation of Carotenoids and the Carotenoid Binding Protein (Cbr)

Marianna Kró, Denis P. Maxwell and Norman P.A. Huner

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 38, issue 2, pages 213-216
Published in print January 1997 | ISSN: 0032-0781
Published online January 1997 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029155
Exposure of Dunaliella salina to Low Temperature Mimics the High Light-Induced Accumulation of Carotenoids and the Carotenoid Binding Protein (Cbr)

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We report that growth of Dunaliella salina at either 13°C/150 μmol m−2s−1 or 30°C/2,500 μmol m−2 s−1 results in the accumulation of comparable levels of carotenoids and the zeaxanthin-binding protein, Cbr. We conclude that carotenoid and Cbr abundance in this green alga respond to changes in PSII ‘excitation pressure’ rather than to high light per se.

Keywords: Carotenoids; Cbr; Dunaliella salina; Irra-diance; Stress; Temperature

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

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