A methionine-producing and/or methionine derivatives-producing recombinant yeast, in the genome of which: at least one nucleic acid encoding an aspartate semi-aldehyde dehydrogenase and/or at least one nucleic acid encoding an aspartate semi-aldehyde dehydrogenase that can use as coenzyme both NAD and NADP is overexpressed and/or is under the control of an inducible or repressible promoter; at least one nucleic acid encoding an aspartokinase is under the control of an inducible or repressible promoter; and (i) a) at least one nucleic acid encoding an homoserine-O-acetyltransferase MET2 is overexpressed and/or is under the control of an inducible or repressible promoter; and/or at least one nucleic acid encoding an homoserine-O-acetyltransferase METX is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a methionine synthase is overexpressed and/or is under the control of an inducible or repressible promoter; and/or (ii) a) at least one nucleic acid encoding an homoserine kinase is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a cystathionine gamma-synthase 1 that has an improved O-phospho-L-homoserine (OHPS) dependent methionine synthase activity is overexpressed and/or is under the control of an inducible or repressible promoter. at least one nucleic acid encoding an aspartate semi-aldehyde dehydrogenase and/or at least one nucleic acid encoding an aspartate semi-aldehyde dehydrogenase that can use as coenzyme both NAD and NADP is overexpressed and/or is under the control of an inducible or repressible promoter; at least one nucleic acid encoding an aspartokinase is under the control of an inducible or repressible promoter; and (i) a) at least one nucleic acid encoding an homoserine-O-acetyltransferase MET2 is overexpressed and/or is under the control of an inducible or repressible promoter; and/or at least one nucleic acid encoding an homoserine-O-acetyltransferase METX is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a methionine synthase is overexpressed and/or is under the control of an inducible or repressible promoter; and/or (ii) a) at least one nucleic acid encoding an homoserine kinase is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a cystathionine gamma-synthase 1 that has an improved O-phospho-L-homoserine (OHPS) dependent methionine synthase activity is overexpressed and/or is under the control of an inducible or repressible promoter. (i) a) at least one nucleic acid encoding an homoserine-O-acetyltransferase MET2 is overexpressed and/or is under the control of an inducible or repressible promoter; and/or at least one nucleic acid encoding an homoserine-O-acetyltransferase METX is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a methionine synthase is overexpressed and/or is under the control of an inducible or repressible promoter; and/or a) at least one nucleic acid encoding an homoserine-O-acetyltransferase MET2 is overexpressed and/or is under the control of an inducible or repressible promoter; and/or at least one nucleic acid encoding an homoserine-O-acetyltransferase METX is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a methionine synthase is overexpressed and/or is under the control of an inducible or repressible promoter; (ii) a) at least one nucleic acid encoding an homoserine kinase is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a cystathionine gamma-synthase 1 that has an improved O-phospho-L-homoserine (OHPS) dependent methionine synthase activity is overexpressed and/or is under the control of an inducible or repressible promoter. a) at least one nucleic acid encoding an homoserine kinase is overexpressed and/or is under the control of an inducible or repressible promoter, and b) at least one nucleic acid encoding a cystathionine gamma-synthase 1 that has an improved O-phospho-L-homoserine (OHPS) dependent methionine synthase activity is overexpressed and/or is under the control of an inducible or repressible promoter.