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Unique carotenoid lactoside, P457, in Symbiodinium sp. of dinoflagellate.

Abstract

The dinoflagellates are a large group of unicellular alge in marine and fresh water. Some are an endosymbiont of marine animals. Photosynthetic dinoflagellates have peridinin, a light-harvesting carotenoid. In addition, a unique carotenoid, P457, was found from Amphinidium. The presence of P457 in Symbiodinium derived from marine animals has not been reported. We reconfirmed the molecular structure of P457, a neoxanthin-like carotenoid with an aldehyde group and a lactoside, from Symbiodinium sp. NBRC 104787 isolated from a sea anemone. In addition, we investigated the distribution of P457 and peridinin in various Symbiodinium and scleractinian coral species, and possible biosynthetic pathways of these carotenoids are proposed.

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  • Publisher Full Text

    • Authors

    Wakahama T, Okuyama H, Maoka T, Takaichi S

    Institution

    Course in Environmental Molecular Biology and Microbial Ecology, Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan.

    Source

    Acta biochimica Polonica 59:1 2012 pg 155-7

    MeSH

    Carotenoids
    Dinoflagellida
    Lactose
    Molecular Structure

    Pub Type(s)

    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    22428117