I am interested in the molecular mechanisms underlying the control of behavior in honey bees. I am particularly keen to understand how the complex division of labor is regulated in a honey bee colony. Using up-to-date molecular biological methods (for example quantitative real-time PCR), biochemical methods (immunocytochemistry, Westernblots) and a variety of behavioral assays (quantification of gustatory, visual and olfactory responsiveness, learning assays, long-term video monitoring, behavioral manipulations) we investigate the functions of selected receptors for biogenic amines and cGMP-dependent protein kinase in honey bee behavioral plasticity.
Current research projects are:
- Role of cGMP- dependent protein kinase in honey bee division of labor
- Functions of octopamine and tyramine receptors in behavioral decisions of honey bees
- Role of octopamine in regulating gustatory responsiveness and non-associative learning processes in fruit flies
- Age-dependency of honey bee learning
- Gustatory responsiveness and learning in honey bees
Hesselbach, H., Seeger, J., Schilcher, F., Ankenbrand, M., and Scheiner, R. (2020) Chronic exposure to the pesticide flupyradifurone can lead to premature onset of foraging in honeybees (Apis mellifera), Journal of Applied Ecology 57, 609-618.
George, E. A., Bröger, A. -K., Thamm, M., Brockmann, A., and Scheiner, R. (2020) Inter-individual variation in honey bee dance intensity correlates with expression of the foraging gene, Genes, Brain and Behavior 19, e12592.
Hesselbach, H., and Scheiner, R. (2018) Effects of the novel pesticide flupyradifurone (Sivanto) on honeybee taste and cognition, Scientific Reports 8, 4954.
Scheiner, R., Reim, T., Søvik, E., Entler, B. V., Barron, A. B., and Thamm, M. (2017) Learning, gustatory responsiveness and tyramine differences across nurse and forager honeybees, Journal of Experimental Biology, The Company of Biologists Ltd 220, 1443--1450.
Thamm, M., Scholl, C., Reim, T., Grübel, K., Möller, K., Rössler, W., and Scheiner, R. (2017) Neuronal distribution of tyramine and the tyramine receptor AmTAR1 in the honeybee brain, Journal of Comparative Neurology 525, 2615-2631.