title: Biotin uptake in biotin regulatory mutant of Escherichia coli.
abstract: A transport system for biotin in Escherichia coli is regulated by biotin and is not affected by the mutation (bioR) that causes the constitutive synthesis of the bio operon enzymes.
mesh_terms: D001693:Biological Transport, Active; D001710:Biotin / Q000096:biosynthesis / Q000378:metabolism*; D002208:Caproates; D002250:Carbon Radioisotopes; D004926:Escherichia coli / Q000201:enzymology / Q000378:metabolism*; D007093:Imidazoles; D008025:Ligases / Q000378:metabolism; D009153:Mutagens; D009154:Mutation; D009604:Nitrosoguanidines; D014161:Transduction, Genetic
chemical_list: D002208:Caproates; D002250:Carbon Radioisotopes; D007093:Imidazoles; D009153:Mutagens; D009604:Nitrosoguanidines; D001710:Biotin; D008025:Ligases