title: Studies on the de novo biosynthesis of NAD in Escherichia coli. I. Labelling patterns from precursors.
mesh_terms: D001224:Aspartic Acid / Q000378:metabolism; D002247:Carbon Isotopes; D004926:Escherichia coli / Q000378:metabolism*; D005947:Glucose / Q000378:metabolism; D005990:Glycerol / Q000378:metabolism; D009243:NAD / Q000096:biosynthesis*; D011725:Pyridines / Q000096:biosynthesis
chemical_list: D002247:Carbon Isotopes; D011725:Pyridines; D009243:NAD; D001224:Aspartic Acid; D005947:Glucose; D005990:Glycerol