A noncanonical polyamine from bacteria antagonizes animal mitochondrial function. - Nauta KM; Gates DR; Weiland M; Mechan-Llontop ME; Wang X; Nguyen KP; Isaguirre C; Genjdar MR; Sheldon RD; Krawczyk CM; Burton NO (BioRxiv : the preprint server for biology, 2025)