About the Project
http://www2.mrc-lmb.cam.ac.uk/group-leaders/h-to-m/g-jefferis
http://jefferislab.org
We study how sensory information is transformed into behaviour in the fly brain. We use the olfactory system, because olfaction is a relatively shallow sense: just two synapses separate the sensory periphery from neurons that form olfactory memories or are believed to initiate innate olfactory behaviours.
We have a variety of interests investigating the circuit logic of innate behaviours, especially sexually dimorphic behaviours dependent on pheromones. We are also interested in how learned behaviours interact with and suppress innate behavioural responses.
On the technical side we also have major efforts in tool development to enable mapping of neural circuits including processing multi-terabyte light microscopy datasets. We are also leading a large collaborative effort using whole brain connectomics with EM data that is opening up many opportunities to map neural circuits at synaptic resolution (see http://www.zoo.cam.ac.uk/departments/connectomics).
Please get in touch to discuss specific project ideas (in these area or indeed any area of our group’s work) that match your own scientific interests. Projects are likely to involve a combination of the techniques in the lab including molecular genetic manipulations, quantitative behaviour, optogenetics and electrophysiology/multiphoton imaging, connectomics and computational neuroanatomy.
Since we have developed (and will continue to develop) a variety of molecular genetic and software tools and imaging and behavioural hardware, we would strongly encourage applications from students with an aptitude for software or hardware development or some background in physical / quantitative sciences as well as a serious interest in brain and behaviour.
References
Communication from learned to innate olfactory processing centers is required for memory retrieval in Drosophila
Michael-John Dolan, Ghislain Belliart-Guerin, Alexander S. Bates, Yoshinori Aso, Shahar Frechter, Ruairi J. V. Roberts, Philipp Schlegel, Allan Wong, Adnan Hammad, Davi Bock, Gerald M. Rubin, Thomas Preat, Pierre-Yves Placais, Gregory S. X. E. Jefferis
bioRxiv 167312; doi: https://doi.org/10.1101/167312
Costa, M., A.D., Manton, Ostrovsky, J.D., Prohaska, S. and Jefferis, G.S.X.E. (2016).NBLAST: Rapid, sensitive comparison of neuronal structure and construction of neuron family databases. Neuron, 91(2), 293-311
Kohl J., Ostrovsky A.D., Frechter S., and Jefferis G.S.X.E. (2013) A bidirectional circuit switch reroutes pheromone signals in male and female
brains. Cell 155:1610-23.
Grosjean Y., Rytz R., Farine J.P., Abuin L., Cortot J., Jefferis G.S.X.E., and Benton R. (2011). An olfactory receptor for food-derived odours promotes male courtship in Drosophila. Nature 478, 236–40.
Cachero S., Ostrovsky A., Yu J.Y., Dickson B.J., and Jefferis G.S.X.E. (2010). Sexual Dimorphism in the Fly Brain. Current Biology 20:1589 601.
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