Béatrice Clouet-d'Orval is Research Director at the CNRS and works at the Center for Integrative Biology, Toulouse, France. Her main research areas focus on the post-transcriptional regulation of gene expression. Bruno Franzetti is Research Director at the CNRS, France, where he specializes in the structural biology of archaea. His research areas include biophysical and cellular mechanisms that maintain proteome integrity under extreme conditions. Philippe Oger is Research Director at the CNRS, France. His research areas include understanding the adaptations of prokaryotes in response to extreme conditions, using a multidisciplinary approach combining the methods derived from atomic physics and cutting-edge molecular biology and modeling.