Male germ cells require polyenoic sphingolipids with complex glycosylation for completion of meiosis: a link to ceramide synthase-3. ανά Rabionet, M, van der Spoel, A, Chuang, C, von Tümpling-Radosta, B, Litjens, M, Bouwmeester, D, Hellbusch, C, Körner, C, Wiegandt, H, Gorgas, K, Platt, F, Gröne, H, Sandhoff, R