title: The functional significance of the evolutionary divergence between the tryptophan operons of Escherichia coli and Salmonella typhimurium.
mesh_terms: D000409:Alanine / Q000031:analogs & derivatives / Q000494:pharmacology; D005075:Biological Evolution; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000254:growth & development / Q000378:metabolism*; D014644:Genetic Variation; D005994:Glycerophosphates / Q000096:biosynthesis; D007209:Indole-3-Glycerol-Phosphate Synthase / Q000096:biosynthesis; D009876:Operon; D010957:Plasmids; D012274:Ribulosephosphates / Q000096:biosynthesis; D012486:Salmonella typhimurium / Q000254:growth & development / Q000378:metabolism*; D013045:Species Specificity; D014364:Tryptophan / Q000031:analogs & derivatives / Q000096:biosynthesis* / Q000494:pharmacology; D014367:Tryptophan Synthase / Q000096:biosynthesis; D062367:ortho-Aminobenzoates / Q000096:biosynthesis; D010135:p-Fluorophenylalanine / Q000494:pharmacology
chemical_list: D005994:Glycerophosphates; D012274:Ribulosephosphates; D062367:ortho-Aminobenzoates; D010135:p-Fluorophenylalanine; D014364:Tryptophan; D007209:Indole-3-Glycerol-Phosphate Synthase; D014367:Tryptophan Synthase; D000409:Alanine