Upcoming Talks

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Lessons from ants on the evolution of collectively developing systems

Date
Tuesday, June 6, 2023 12:30 - 13:45
Speaker
Adria Leboeuf (University of Fribourg)
Location
Central Bldg / O1 / Mondi 2a (I01.O1.008)
Series
Seminar/Talk
Tags
EvoLunch
Host
Sylvia Cremer
Contact
Central building mondi1

Many successes in life are based on collaboration. Microorganisms exchange nutrients through cross-feeding, and multicellular organisms are made up of tissues with different metabolic roles and needs. Social insects take this collaboration still further, integrating their behavior and physiology to the extent that a colony can be considered a superorganism. Many ant colonies engage in social exchanges of experimentally accessible fluids that contain both exogenously sourced and endogenously produced materials in a behavior called trophallaxis. Some species engage in this behavior infrequently and only in the presence of certain cues, while others perform trophallaxis so frequently that this network of fluid exchange creates a social circulatory system that mediates a form of shared metabolism. I will describe our work on how the endogenously produced proteins transmitted in these fluids relate to colony life in the carpenter ant, how trophallaxis allows a metabolic division of labor and how the globalization of processed goods over the trophallactic network has far-reaching implications for aging, ecology, evolution and development.
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