Anna Maikova’s PhD thesis defence took place on September, 30. This is another joint Skoltech PhD defence, this time with Université Paris Diderot (France). Anna’s thesis project entitled “The CRISPR-Cas system of human pathogen Clostridium difficile: function and regulation” was carried out under the supervision of Konstantin Severinov (Russia) and Olga Soutourina (France). Congratulations to Anna and her supervisors!