The identification of chlorophyll c in the Tribophyceae (= Xanthophyceae) using spectrophotofluorometry
Autor: | K. S. Rowan, C. M. Sullivan, T. J. Entwisle |
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Rok vydání: | 1990 |
Předmět: | |
Zdroj: | Phycologia. 29:285-291 |
ISSN: | 2330-2968 0031-8884 |
Popis: | As previous investigations employing chromatography indicated that not all species of the Tribophyceae contain chlorophyll c, we have used fluorometry as a more sensitive method of detection. Fluorescence-emission at 634 nm, characteristic of chlorophyll c. appeared as a peak or shoulder on the spectrophotofluorometer traces when solutions of lipid-soluble pigments extracted from 30 cultures of species referred to the Tribophyceae were excited at 453 nm. All extracts examined by thin-layer chromatography contained diadinoxanthin but not violaxanthin, the diepoxy xanthophyll found in the class Eustigmatophyceae, thus confirming that the species that were examined belonged to the Tribophyceae. |
Databáze: | OpenAIRE |
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