10:00 - 12:00
Sat-S12
Hahn Lecture Hall
Chair/s:
Daniel Muench, Katrin Vogt
Chemosensation is essential for navigating the environment, finding food sources, forming groups, or detecting mating partners. To execute the most efficient and appropriate behavior, however, animals need to process chemosensory inputs in a context dependent way. How chemosensory processing gets modulated by external and internal information (e.g. concurrent sensory stimuli or internal states) to result in an adapted behavioral response, will be the topic of this symposium. This symposium is comprised of a selection of speakers working with a diverse set of model organisms, which all show flexible behaviors towards chemosensory cues.
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The short neuropeptide f regulates appetitive behavior and olfactory coding in honey bee.
Sat-S12-004
Presented by: Marco Paoli
Louise Bestea 1, Marco Paoli 1, Patrick Arrufat 1, Brice Ronsin 2, Julie Carcaud 3, Jean-Christophe Sandoz 3, Rodrigo Velarde 1, 4, Martin Giurfa 1, 5, 6, Gabriela de Brito Sanchez 1
1 Research Centre on Animal Cognition, Centre for Integrative Biology, CNRS, Toulouse, France, 2 Centre for Integrative Biology, CNRS, Toulouse, France, 3 Evolution, Genomes, Behavior and Ecology, CNRS, Gif-sur-Yvette, France, 4 Latin American Society for Bee Research (SOLATINA), Bolivian Chapter, Cochabamba, Bolivia, 5 College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, China, 6 Institut Universitaire de France (IUF), Paris, France
The neuropeptide F (NPF) and its short version (sNPF) mediate food- and stress-related responses in solitary insects. In the honeybee, a social insect where food collection and defensive responses are socially regulated, only sNPF has an identified receptor. Here we increased artificially sNPF levels in honeybee foragers and studied the consequences of this manipulation in various forms of appetitive behavior. Increasing sNPF in partially fed bees turned them into the equivalent of starved animals, enhancing both their food consumption and responsiveness to appetitive gustatory and olfactory stimuli. Moreover, calcium imaging analysis of olfactory coding showed that neural activity in the antennal lobe of fed animals was reduced and could be rescued by sNPF treatment to the level of starved bees. Our results thus identify sNPF as a key modulator of hunger and food-related responses in bees, which are at the core of their foraging activities.
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