title: Origin of the aromatic nucleus in bacterial menaquinones.
mesh_terms: D000447:Aldehydes / Q000378:metabolism; D002247:Carbon Isotopes; D002855:Chromatography, Thin Layer; D004926:Escherichia coli / Q000378:metabolism*; D009161:Mycobacterium / Q000378:metabolism*; D009281:Naphthalenes / Q000096:biosynthesis*; D009285:Naphthoquinones / Q000032:analysis / Q000096:biosynthesis*; D012765:Shikimic Acid / Q000378:metabolism*; D014812:Vitamin K / Q000096:biosynthesis*
chemical_list: D000447:Aldehydes; D002247:Carbon Isotopes; D009281:Naphthalenes; D009285:Naphthoquinones; D014812:Vitamin K; D012765:Shikimic Acid