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Content archived on 2024-06-18

Evolution of sociality in invasive fire ant populations

Objective

Evolutionary theory struggled to explain animal societies for many decades. Ultimate explanations were found but little is known about proximate explanations: how do social traits evolve at the molecular level? Dramatic advances in genome sequencing technologies now allow such questions to be addressed. Ants are a classical study system for social evolutionary research. Their impressive ecological success is attributed to sophisticated cooperation and division of labor. This advantage led some ants such as the fire ants Solenopsis invicta and Solenopsis richteri to become high-impact invasive species. They are also a unique study system where a derived social form evolved higher cooperation, and this polymorphism is a Mendelian trait with a known genetic basis. Here I propose to use native and introduced, S. invicta and S. richteri populations to study adaptation in social traits at the molecular level. A population genomics approach will be used to identify specific genes under selection. Probabilistic modeling and Bayesian estimation will be used to reconstruct the recent evolution and population structure, and to infer selective pressures in native compared to introduced populations. The selection survey will focus on two key aspects of adaptation in social invasive species: (i) genetic factors underlying changes in social behavior and social structure and (ii) immune pathways that bear the pathogenic load, a major selection pressure on social colonies. Thereby, the underlying genetic mechanisms involved in the evolution of social invasive species may be revealed.

Fields of science (EuroSciVoc)

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Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

FP7-PEOPLE-2013-CIG
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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

MC-CIG - Support for training and career development of researcher (CIG)

Coordinator

UNIVERSITY OF HAIFA
EU contribution
€ 100 000,00
Address
ABBA KHUSHY BLVD MOUNT CARMEL
31905 Haifa
Israel

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Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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