title: Identification of nonsense mutations in the cysJ gene of Salmonella typhimurium.
mesh_terms: D005796:Genes; D007785:Lactose / Q000378:metabolism; D009154:Mutation; D010957:Plasmids; D012486:Salmonella typhimurium / Q000378:metabolism*; D013431:Sulfates / Q000378:metabolism*; D013489:Suppression, Genetic
chemical_list: D013431:Sulfates; D007785:Lactose