Functional importance of conserved domains in the flowering-time gene CONSTANS demonstrated by analysis of mutant alleles and transgenic plants. - Robson,F..; Costa,M..M..R..; Hepworth,S..R..; Vizir,I..; Piñieiro,M..; Reeves,P..H..; Putterill,J..; Coupland,G.. (The Plant Journal, 2001)