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Comparative functional and neuroanatomical analyses of olfactory circuit in drosophilids

Total Cost €


EC-Contrib. €






Project "CAOCD" data sheet

The following table provides information about the project.


Organization address
address: Quartier Unil-Centre Bâtiment Unicentre
postcode: 1015

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Switzerland [CH]
 Total cost 191˙149 €
 EC max contribution 191˙149 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-09-01   to  2022-08-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE DE LAUSANNE CH (LAUSANNE) coordinator 191˙149.00


 Project objective

Animals have adapted to their ecological niche by developing unique behavioral strategies. However, little is known about the underlying changes in neuronal circuit structure and/or function. To understand how evolution might modify nervous systems, I propose to perform comparative neurobiological analyses of the anatomy and physiology of central olfactory circuitry in two drosophilid species (Drosophila sechellia and D. melanogaster), which have adapted to different niches and display distinct odor-evoked behaviors. Although several changes in peripheral, sensory neuron properties have been observed between these species, the function and evolution of central circuitry has not yet been examined. The architecture and the neuronal coding properties of the primary olfactory center (antennal lobe; AL) of D. melanogaster is well-characterized and thus serves as an excellent “reference” for interspecies comparison. Using new neurogenetic approaches in D. sechellia, I will first use calcium imaging to record physiological responses in the AL to volatile cues evoking short- and long-range attraction behavior. Second, I will trace the projections of second-order olfactory neurons to higher brain centers using genetically-encoded photoactivable markers and/or trans-synaptic tracers. Third, I will study the structure and function of these central pathways in odor-evoked attraction by combining trans-synaptic labeling and optogenetics. Together, these experiments will help us understand how different olfactory pathways mediate long and short range attraction and how they are modified during evolution to confer species-specific behavioral outputs.

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The information about "CAOCD" are provided by the European Opendata Portal: CORDIS opendata.

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