if species=="Saccharomyces cerevisiae BY4742":
                    genotype = {"taxon": {"ncbi_taxonomy_id": 559292,
                                          "name": species}}
                    query = {"tax_id": 559292}
                    environment["media"] = "5 ml synthetic medium, 30 mg/l heavy [13C6/15N2] L-lysine, 6.7 g/l yeast nitrogen base, 2 g/l dropout mix, all amino acids except lysine and 2% glucose"