AG Schwarz and AG Remy (DZNE) published a review on rabies virus-mediated connectivity tracing from single neurons

The AG Schwarz is currently establishing rabies virus based viral systems revealing the complex anatomical connections between different brain regions to better understand their function during cognition. Together with the AG Remy from the German Center for Neurodegenerative Diseases (DZNE) the AG Schwarz compiled a review on cutting-edge technologies used for such studies. It will appear in the Journal of Neuroscience Methods and is already available online:

Martin K. Schwarz & Stefan Remy (2019) Rabies virus-mediated connectivity tracing from single neuronsJournal of Neuroscience Methods 325: 108365. doi: 0.1016/j.jneumeth.2019.108365

Abstract: An understanding of how the brain processes information requires knowledge of its underlying wiring diagrams, as well as insights into the relationship between circuit architecture and physiological function. Notably, rabies virus based single-cell genetic manipulations that can facilitate an experimental link between physiology and genetics have recently advanced the field of systems neuroscience. It allows capturing the synaptic and the anatomical receptive fields of individual neurons. Recently, the methodological portfolio has been upgraded by two novel approaches, single cell electroporation with genetically encoded Ca2+ sensors allowing for functionalized transsynaptic tracing and single cell targeted virus stamping. Especially the development of virus stamping provides a versatile solution for targeted single-cell infection of diverse cell types with different viruses at once, both in vitro and in vivo. Here we will summarize the latest developments in this rapidly moving field and provide a perspective for automated, quantitative analysis of single cell initiated connectomes.

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