HPF1-dependent histone ADP-ribosylation triggers chromatin relaxation to promote the recruitment of repair factors at sites of DNA damage. - Smith R; Zentout S; Rother M; Bigot N; Chapuis C; Mihuț A; Zobel FF; Ahel I; van Attikum H; Timinszky G; Huet S (Nature structural & molecular biology, 2023)