2.4.1.243 expressed in Lolium perenne genotypes N2 and F6 2.4.1.243 expressed in Pichia pastoris 2.4.1.243 expressed in Pichia pastoris strain X-33 2.4.1.243 FFT phylogenetic tree 2.4.1.243 genes Atq6G-FFT-1 and -2, DNA and amino acid sequence determination and analysis, expression in Pichia pastoris strain X-33 2.4.1.243 heterologous expression in Pichia pastoris