Knockout of Arabidopsis accelerated-cell-death11 encoding a sphingosine transfer protein causes activation of programmed cell death and defense. - Brodersen,P..; Petersen,M..; Pike,H..M..; Olszak,B..; Skov,S..; Odum,N..; Jorgensen,L..B..; Brown,R..E..; Mundy,J.. (Genes Dev., 2002)