Conserved eukaryotic fusogens can fuse viral envelopes to cells. by Avinoam, O, Fridman, K, Valansi, C, Abutbul, I, Zeev-Ben-Mordehai, T, Maurer, U, Sapir, A, Danino, D, Grünewald, K, White, J, Podbilewicz, B