title: Editorial: 3Rs tightly intertwined to maintain genome stability.
authors.affiliation: Guest Editor, Department of Biology, University of Copenhagen, Ole Maaloees Vej 5, DK-2200 Copenhagen N, Denmark; E-mail: mlisby@bio.ku.dk.
authors.forename: Michael
authors.initials: M
authors.lastname: Lisby
authors.affiliation: Guest Editor, Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads, DK-2800 Lyngby, Denmark; E-mail: um@bio.dtu.dk.
authors.forename: Uffe H
authors.initials: UH
authors.lastname: Mortensen