Atypical E2F activity restrains APC/CCCS52A2 function obligatory for endocycle onset. by Lammens, T, Boudolf, V, Kheibarshekan, L, Zalmas, L, Gaamouche, T, Maes, S, Vanstraelen, M, Kondorosi, E, La Thangue, N, Govaerts, W, Inzé, D, De Veylder, L