Natural Products among Brown Algae: The Case of Cystoseira schiffneri Hamel (Sargassaceae, Phaeophyceae)
| Autor: | Graziano Guella, Saoussen Hammami, Abdelkader Ben Salem, Graziano Di Giuseppe, Andrea Anesi, Zine Mighri |
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| Rok vydání: | 2016 |
| Předmět: |
Tunisia
Brown algae Bioengineering Cystoseira schiffneri 010402 general chemistry Phaeophyta 01 natural sciences Biochemistry chemistry.chemical_compound Isomerism Botany Fucoxanthin Molecular Biology Phylogeny biology Molecular Structure 010405 organic chemistry Galactolipids General Chemistry General Medicine Ribosomal RNA biology.organism_classification Lipid analysis Classification Carotenoids Molecular characterization 0104 chemical sciences chemistry Chemotaxonomy Genetic marker Sargassum Molecular Medicine Sargassaceae Cystoseira schiff neri Seasons Phytochemical investigation Brown algae Cystoseira schiff neri Molecular characterization Phytochemical investigation Lipid analysis |
| Zdroj: | Chemistry & biodiversity (Online) 14 (2017). doi:10.1002/cbdv.201600333 info:cnr-pdr/source/autori:Salem AB, Di Giuseppe G, Anesi A, Hammami S, Mighri Z, Guella G/titolo:Natural Products among Brown Algae: The Case of Cystoseira schiffneri Hamel (Sargassaceae, Phaeophyceae)/doi:10.1002%2Fcbdv.201600333/rivista:Chemistry & biodiversity (Online)/anno:2017/pagina_da:/pagina_a:/intervallo_pagine:/volume:14 |
| ISSN: | 1612-1880 |
| Popis: | A chemotaxonomic study on the marine brown alga Cystoseira schiffneri collected from the Tunisian marine coast allowed us to identify kjellmanianone (1) and a new isololiolide derivative named schiffnerilolide (2). The structure elucidation and the assignment of relative configurations of the isolated natural products were based on advanced mass spectrometric and nuclear magnetic resonance techniques. This outcome suggested a close phylogenetic relationship of C. schiffneri with brown algae belonging to genus Sargassum C. Agardh. Molecular characterization using the nuclear small subunit rRNA (SSU rRNA) gene (18S) sequence as genetic marker was made. Pigment analysis showed a significant seasonal change of carotenoids, in particular of fucoxanthin and fucoxanthinol. Also galactolipids, the main constituents of the thylakoid membranes, showed remarkable seasonal changes. |
| Databáze: | OpenAIRE |
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