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 TERMINÉ 

The evolution of social life and division of labour (SOCIAL LIFE)

Date du début: 1 mai 2010, Date de fin: 30 avr. 2016,

The hallmark of social insect colonies is reproductive division of labour which is often associated with dramatic morphological and behavioural differences between queens, workers and males. The aim of this proposal is three-fold. First, we will use our recently developed fiducial identification system to investigate the general principles of social organisation and division of labour. The video t ...
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 TERMINÉ 
... el species to investigate the role of DNA methylation in the regulation of reproduction and behavior. This project, jointly supervised by Prof. Daniel Kronauer (Rockefeller University, USA) and Prof. Laurent Keller (University of Lausanne, Switzerland), will be divided in two parts. First, I will use whole-genome bisulfite sequencing to identify genes for which changes in methylation status are as ...
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 TERMINÉ 

Mapping Spatial Interaction Networks in Honeybee Colonies (BEESPATNET)

Date du début: 1 janv. 2013, Date de fin: 31 déc. 2014,

"When individuals that live in extended family groups- such as honeybees- the entire society is vulnerable to infection of just a single colony-member, as the same networks that are optimised for efficient transmission of information or food, may be hijacked by the pathogen. Nevertheless, mechanisms have evolved to reduce the spread of disease across social or communication networks. For example, ...
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 TERMINÉ 
The social insects provide a unique system for the study of aging and senescence. The striking differences in longevity that exist between queens and workers can be used to examine how different life histories can lead to very different aging patterns despite shared genetic heritage. In the ant Lasius niger, for example, workers live up to two years while queens have been known to live as long as ...
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 TERMINÉ 

City multi-Role Optimized Vehicle (CITY MOVE)

Date du début: 1 janv. 2010, Date de fin: 31 mars 2013,

"The delivery of freight in urban areas is based on general purpose commercial vehicles, not dedicated to a mission in a very specific scenario like urban areas. This is particularly true for medium vehicles (7,5-12 tons) that are however widely used in towns. CITY MOVE aims to develop a new concept for urban delivery vehicles, a real breakthrough from the actual vehicle platforms, using the lates ...
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 TERMINÉ 

Caste-specific gene expression in the fire ant, Solenopsis invicta (INVICTA2)

Date du début: 1 août 2007, Date de fin: 31 juil. 2009,

Societies of ants, bees, and wasps achieve a highly efficient division of labour by matching the morphology, physiology, life-history, and behaviour of each female to her role in the colony. Females thus occur in distinct castes (e.g. workers and queens). Castes are an example of polyphenism: the caste fate of developing larvae does not depend on their genotype, but is determined by their environm ...
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