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Finally, we show that these features are reminiscent of the neurogenic sequence and embryonic origin of the her9-positive progenitor NE pool involved in the construction of the lateral pallium at post-embryonic stages. The PEACETIME cruise is combining in situ observations of both the atmosphere and the ocean, as well as measurements taken both in the water column and during Climate Reactors incubation experiments to study atmospheric impacts in both present and future climate conditions. We further demonstrate that the adult her5-positive NE pool is issued in lineage from an identically located NE pool expressing the same gene in the embryonic neural tube. These measurements are enabling to characterize the chemical, biological, physical and optical properties of the atmosphere and of the ocean surface micro-layer, mixed layer and mesopelagic domain. Neurogenesis in the post-embryonic vertebrate brain varies in extent and efficiency between species and brain territories. Together, our results highlight the shared recruitment of an identical neurogenic strategy by two remote brain territories, where long-lasting NE pools serve both as a growth zone and as the life-long source of young neurogenic RG cells. Everything you need to know about the cruise. The purpose of this expedition is to study critical processes induced by atmospheric deposition, in particular Saharan dust, occurring at the air-sea interface in the Mediterranean. Electronic address: isabelle.

Electronic address: isabelle. Together, our results highlight the shared recruitment of an identical neurogenic strategy by two remote brain territories, where long-lasting NE pools serve both as a growth zone and as the life-long source of young neurogenic RG cells.

The PEACETIME cruise is combining in situ observations of both the atmosphere and the ocean, as well as measurements taken both in the water column and during Climate Reactors incubation experiments to study atmospheric impacts in both present and future climate conditions.

Finally, we show that these features are reminiscent of the neurogenic sequence and embryonic origin of the her9-positive progenitor NE pool involved in the construction of the lateral pallium at post-embryonic stages.

In this case, the ship will tentatively be routed and positioned in an area of forecasted strong deposition event to perform one of the specific long stations, hopefully before, during, and after the deposition event.

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Dev Biol. Here we use genetic tracing techniques based on conditional Cre recombination and Tet-On neuronal birthdating to unravel the neurogenic sequence operating from NE progenitors in the zebrafish post-embryonic optic tectum. We further demonstrate that the adult her5-positive NE pool is issued in lineage from an identically located NE pool expressing the same gene in the embryonic neural tube.

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PEACETIME yields insights into the impact of such processes on the cycle of chemical elements nutrients, metals and on the biogeochemical functioning of the pelagic ecosystem.

We reveal that a subpopulation of her5-positive NE cells of the posterior midbrain layer stands at the top of a neurogenic hierarchy involving, in order, the amplification pool of the tectal proliferation zone TPZfollowed by her4-positive RG cells with transient neurogenic activity.

A cruise track covering all the ecoregions is initially planned, but the ship route will be modified if a deposition event is forecasted.

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