PhD Research Project

Biology of Aggression: behavioural and endocrinological investigations on serotonin transporter knockout mice. (DFG project Sa 389/10-1)

Promotion Committee

Prof. Dr. Norbert Sachser (Supervisor), Department of Behavioural Biology
Prof. Dr. Hans-Christian- Pape, Insitute of Physiology 1
Prof. Dr. Klaus-Peter Lesch (Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg)


Narayanan, V., Heiming, R.S., Jansen, F., Lesting, J., Sachser, N., Pape H.-C. & Seidenbecher T. (2011) : Social Defeat: Impact on Fear Extinction and Amygdala-Prefrontal Cortical Theta Synchrony in 5-HTT Deficient Mice (Plosone, July 2011)

Heiming, RS; Bodden, C; Jansen, F; Lewejohann, L; Kaiser, S; Lesch, KP; Palme, R; Sachser, N (in press): Living in a dangerous world decreases maternal care: a study in serotonin transporter knockout mice. Hormones and Behavior.

Kloke, V; Jansen, F; Heiming, RS; Palme, R; Lesch, K-P; Sachser, N (in press): The winner and loser effect, serotonin transporter genotype, and the display of offensive aggression. Physiology & Behaviour.

Jansen, F; Heiming, RS; Kloke, V; Kaiser, S; Palme, R; Lesch, K-P; Sachser, N (2011): Away game or home match: the influence of venue and serotonin transporter genotype on the display of offensive aggression. Behavioural Brain Research 219: 291 - 301.

Nietzer, SL; Bonn, M; Jansen, F; Heiming, RS; Lewejohann, L; Sachser, N; Asan, ES; Lesch, KP; Schmitt, AG (2011): Serotonin transporter knockout and repeated social defeat stress: impact on neuronal morphology and plasticity in limbic brain areas. Behavioural Brain Research 220: 42-54.

Jansen, F; Heiming, RS; Lewejohann, L; Touma, C; Palme, R; Schmitt, A; Lesch, KP; Sachser, N (2010): Modulation of Behavioural Profile and Stress Response by 5-HTT Genotype and Social Experience in Adulthood. Behavioural Brain Research 207: 21-29.

Lewejohann, L; Kloke, V; Heiming, RS; Jansen, F; Kaiser, S; Schmitt, A; Lesch, KP; Sachser, N (2010): Social status and day-to-day behaviour of male serotonin transporter knockout mice. Behavioural Brain Research 211: 80-88.

Heiming, RS; Jansen, F; Lewejohann, L; Kaiser, S; Schmitt, A; Lesch, KP; Sachser, N (2009): Living in a dangerous world: the shaping of behavioral profile by early environment and 5-HTT genotype. Frontiers in Behavioral Neuroscience 3: 26.


*1983 in Dorsten, Germany
2002-2008 Studies in Biology, University of Münster
2008 Diploma thesis, Department of Behavioural Biology, University of Münster, Title: The anxiety-like behaviour and its modulation by winner and loser     experiences in adult wildtype and serotonin transporter knockout mice. (Supervisor: Prof. Dr. N. Sachser)
2008 Beginning of PhD research projekt, Department of Behavioural Biology, OCC, University of Münster
2011 PhD
4/2011 - 6/2012 Research associate, Project Management Agency, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR, German Aerospace Center), Bonn, Germany
since 7/2012 Scientific Referee of the National Research Platform for Zoonoses, University Hospital Münster