macromolecular assemblies; automation; structural biology; cryo electron microscope; molecular mechanism; direct electron detector; high resolution
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Recent technological advances have firmly established electron microscopes as powerful tools for visualizing complex biological macromolecules at resolutions that allow atomistic interpretation. Due to the development of cryo technologies, automation and a new generation of detectors, transmission electron microscopy (TEM) is now rivalling the established technologies of X-ray crystallography and NMR for structure determination at high resolution. Cryo-EM is particularly powerful for the analysis of large macromolecular complexes, which are of fundamental importance in biological processes and a topic of intense research efforts.With this proposal we are asking for support towards the acquisition of a state-of-the-art Talos Arctica cryo-TEM system for 3D imaging of macromolecular and sub-cellular structures. High-resolution structural biology is an important pillar of modern biology, and Geneva is home to a rapidly growing community of structural biologists with proven track records and cutting-edge projects that demand the use of 3D cryo-EM technology. With the acquisition of the Talos Arctica we want to provide independence to the local community and ensure that Geneva stays competitive in this rapidly evolving field. 3D cryo-EM will integrate into the existing EM infrastructure of the Bioimaging Center at the Faculty of Sciences of the University of Geneva that will provide maintenance and support for structure determination by cryo-EM to the local and Swiss research community.