There
is a post doc position in the lab to work on the following subject
(starting end of 2019); do not hesitate to diffuse to interested people.
Impact of ocean acidification on the sensory systems of European sea bass larvae
At early life stages, fish are vulnerable and sensitive to environmental conditions. After hatching, the larvae of many marine fish species settle in coastal nurseries. These coastal ecosystems are essential for the growth and survival of young fish. The nursery areas may be selected by the organisms according to their needs (e.g. food, physicochemical conditions). The recruitment of a species depends on the environmental conditions encountered in coastal ecosystems but also on the ability of fish to detect and interact with nurseries adapted to their needs. In several fish species, this ability to select and use their habitats has been shown to depend on their sensory systems. Recent studies performed in our laboratory (projects PACIO and FITNESS) indicate that at pH7.6 (realistic scenario of ocean acidification in 2100), C1qL gene expression is regulated in the sensory systems of European sea bass larvae. Within the frame of the present project, we propose to better characterize (i) the larval tropism with respect to trophic or physicochemical conditions encountered in nurseries and (ii) the effect of pH on sensory systems that may impact this tropism, from a mechanistic (study of actors involved in the integration of sensory signals) or functional (behavioral tests) point of view.
(https://wwz.ifremer.fr/Recherche-Technologie/Politique-scientifique/Theses-et-post-doctorats/Post-docs-2019)
Impact of ocean acidification on the sensory systems of European sea bass larvae
At early life stages, fish are vulnerable and sensitive to environmental conditions. After hatching, the larvae of many marine fish species settle in coastal nurseries. These coastal ecosystems are essential for the growth and survival of young fish. The nursery areas may be selected by the organisms according to their needs (e.g. food, physicochemical conditions). The recruitment of a species depends on the environmental conditions encountered in coastal ecosystems but also on the ability of fish to detect and interact with nurseries adapted to their needs. In several fish species, this ability to select and use their habitats has been shown to depend on their sensory systems. Recent studies performed in our laboratory (projects PACIO and FITNESS) indicate that at pH7.6 (realistic scenario of ocean acidification in 2100), C1qL gene expression is regulated in the sensory systems of European sea bass larvae. Within the frame of the present project, we propose to better characterize (i) the larval tropism with respect to trophic or physicochemical conditions encountered in nurseries and (ii) the effect of pH on sensory systems that may impact this tropism, from a mechanistic (study of actors involved in the integration of sensory signals) or functional (behavioral tests) point of view.
(https://wwz.ifremer.fr/Recherche-Technologie/Politique-scientifique/Theses-et-post-doctorats/Post-docs-2019)