IMPROVED METHOD FOR THE ISOLATION OF THYMINE-REQUIRING MUTANTS OF ESCHERICHIA COLI.
D000630:Aminopterin; D000963:Antimetabolites; D003470:Culture Media; D004926:Escherichia coli; D005492:Folic Acid; D008660:Metabolism; D009154:Mutation; D010088:Oxidoreductases; D011743:Pyrimidines; D012106:Research; D013941:Thymine
D000963:Antimetabolites; D003470:Culture Media; D011743:Pyrimidines; D005492:Folic Acid; D010088:Oxidoreductases; D000630:Aminopterin; D013941:Thymine
AMINOPTERIN; ANTIMETABOLITES; CULTURE MEDIA; ESCHERICHIA COLI; EXPERIMENTAL LAB STUDY; FOLIC ACID; METABOLISM; MUTATION; OXIDOREDUCTASES; PYRIMIDINES; THYMINE