Histidine-containing phosphotransfer domain extinction by RNA interference turns off a cytokinin signalling circuitry in Catharanthus roseus suspension cells. - Papon,N..; Vansiri,A..; Gantet,P..; Chénieux,J..C..; Rideau,M..; Crèche,J.. (Federation of European Biochemical Societies Letters, 2004)