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| Guibert, Isis; Bonnard, Isabelle; Pochon, Xavier; Zubia, Mayalen; Sidobre, Christine; Lecellier, Gael; Berteaux-lecellier, Veronique. |
| To prevent the settlement and/or the growth of fouling organisms (i.e. bacteria, fungi or microalgae), benthic sessile species have developed various defense mechanisms among which the production of chemical molecules. While studies have mostly focused on the release of chemical compounds by single species, there exist limited data on multi-species assemblages. We used an integrative approach to explore the potential interactive effects of distinct assemblages of two corals species and one giant clam species on biofouling appearance and composition. Remarkably, we found distinct biofouling communities suggesting the importance of benthic sessile assemblages in biofouling control. Moreover, the assemblage of 3 species led to an inhibition of biofouling,... |
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| Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00659/77132/78488.pdf |
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| Guibert, Isis; Bourdreux, Flavien; Bonnard, Isabelle; Pochon, Xavier; Dubousquet, Vaimiti; Raharivelomanana, Phila; Berteaux-lecellier, Véronique; Lecellier, Gael. |
| Dimethylsulfoniopropionate (DMSP) is a key compound in the marine sulfur cycle, and is produced in large quantities in coral reefs. In addition to Symbiodiniaceae, corals and associated bacteria have recently been shown to play a role in DMSP metabolism. Numerous ecological studies have focused on DMSP concentrations in corals, which led to the hypothesis that increases in DMSP levels might be a general response to stress. Here we used multiple species assemblages of three common Indo-Pacific holobionts, the scleractinian corals Pocillopora damicornis and Acropora cytherea, and the giant clam Tridacna maxima and examined the DMSP concentrations associated with each species within different assemblages and thermal conditions. Results showed that the... |
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| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00636/74777/74951.pdf |
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