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

Takahiro Wakahama; Hidetoshi Okuyama; Takashi Maoka; Shinichi Takaichi

doi:10.18388/abp.2012_2195

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

Takahiro Wakahama Course in Environmental Molecular Biology and Microbial Ecology, Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan.;
Hidetoshi Okuyama
Takashi Maoka
Shinichi Takaichi

DOI: https://doi.org/10.18388/abp.2012_2195

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.

Published

2012-03-17

Issue

Vol. 59 No. 1 (2012)

Section

Articles

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