Observations on pigments and morphology of Gyrodinium aureolum Hulburt, a marine dinoflagellate containing 19′ -hexanoyloxyfucoxanthin as the main carotenoid
- 1 January 1981
- journal article
- Published by Oxford University Press (OUP) in Journal of Plankton Research
- Vol. 3 (3) , 389-401
- https://doi.org/10.1093/plankt/3.3.389
Abstract
Gyrodinium aureolum, a common “red tide” dinoflagellate in European waters often associated with fish mortality, was isolated from the Oslofjord, Norway, and analysed for chlorophylls and carotenoids. Besides chlorophyll a and c the following carotenoids were characterized by thin-layer chromatography, visible light spectrophotometry and mass spectrometry: β,ε-carotene, ß,ß-carotene, djatoxanthin, diadinoxanthin, 19′-hexanoyloxyfucoxanthin and 3 xanthophylls which could not be correlated with hitherto structurally known carotenoids from dinoflagellates. G. aureolum deviates from most dinoflagellates by the lack of peridinin, but shows affinity with Gyrodinium sp.-A by the possession of 19′-hexanoyloxyfucoxanthin.Keywords
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