The DIF1 gene of Arabidopsis is required for meiotic chromosome segregation and belongs to the REC8/RAD21 cohesin gene family. - Bhatt,A..M..; Lister,C..; Page,T..; Fransz,P..; Findlay,K..; Jones,G..H..; Dickinson,H..G..; Dean,C.. (Plant Journal, 1999)