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| Ivanisevic, Julijana; Thomas, Olivier P.; Pedel, Laura; Penez, Nicolas; Ereskovsky, Alexander V.; Culioli, Gerald; Perez, Thierry. |
| Secondary metabolite production is assumed to be costly and therefore the resource allocation to their production should be optimized with respect to primary biological functions such as growth or reproduction. Sponges are known to produce a great diversity of secondary metabolites with powerful biological activities that may explain their domination in some hard substrate communities both in terms of diversity and biomass. Oscarella balibaloi (Homoscleromorpha) is a recently described, highly dynamic species, which often overgrows other sessile marine invertebrates. Bioactivity measurements (standardized Microtox assay) and metabolic fingerprints were used as indicators of the baseline variations of the O. balibaloi secondary metabolism, and related to... |
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| Ano: 2011 |
URL: https://archimer.ifremer.fr/doc/00372/48297/48446.pdf |
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| Cachet, Nadja; Genta-jouve, Gregory; Ivanisevic, Julijana; Chevaldonne, Pierre; Sinniger, Frederic; Culioli, Gerald; Perez, Thierry; Thomas, Olivier P.. |
| Metabolomics has recently proven its usefulness as complementary tool to traditional morphological and genetic analyses for the classification of marine invertebrates. Among the metabolite-rich cnidarian order Zoantharia, Parazoanthus is a polyphyletic genus whose systematics and phylogeny remain controversial. Within this genus, one of the most studied species, Parazoanthus axinellae is prominent in rocky shallow waters of the Mediterranean Sea and the NE Atlantic Ocean. Although different morphotypes can easily be distinguished, only one species is recognized to date. Here, a metabolomic profiling approach has been used to assess the chemical diversity of two main Mediterranean morphotypes, the "slender" and "stocky" forms of P. axinellae. Targeted... |
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| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00371/48267/48591.pdf |
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