The RTG Multiscale Clocks aims at investigating the principles of timekeeping in living organisms, enabling to orchestrate periodic processes with very different frequencies ranging from infradian over circadian to ultradian rhythms. The unique approach is to combine the expertise of biologists, physicists, chemists, mathematicians, and engineers to advance the understanding of biological clocks.
In this project (N°. 7) the PhD candidate will deal with different methods of electrophysiology, such as patch clamp and extracellular tip recordings in vivo, as well as with Ca2+ imaging and transcriptomic analyses. With this we examine how/why olfactory receptor neurons (ORNs) of the hawkmoth Manduca sexta express membrane potential oscillations on the slow circadian and fast ultradian time scales. We will test the hypothesis that pheromone/odor responses of insect ORNs differ during the sleep-wake cycle, orchestrated by an endogenous circadian clock. In addition, we want to test whether fast membrane potential oscillations allow for tuning into different frequencies of pheromone/odor stimuli modulated both, via internal physiological states, and via the kinetics and strength of the odor stimuli. We will examine the possible functional dependence of these multiscale oscillations and whether/how these multiscale oscillations affect odor/pheromone transduction cascades on the cellular and molecular level, affecting the hawkmoth´s behavior.
- Scientific work on the research project.
- Active participation in the workshops and events of the RTG and collaboration with the PIs and other PhD candidates.
- Completion of a study program according to the curriculum of the graduate school.
- Excellent Master degree or other respectively related academic degrees (such as Diploma or Magister) in one of the above-mentioned disciplines.
- Commitment to interdisciplinary research and education.
- Strong skills in English.
- Advantageous are experiences thematically related to the scope of the RTG.
The University of Kassel is a midsize university with about 25.000 students, located in the city of Kassel, known for the DOCUMENTA, the most important international exhibition of contemporary art. The university is dedicated to interdisciplinary research, and it offers educational programs in the life sciences, humanities, fine arts, social sciences, education, and engineering. The university also offers different employment benefits, such as free public transport and no tuition. Furthermore, housing in Kassel is affordable.
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