[Trials for the enrichment of defective mutants in yeasts].
D009154:Mutation; D010406:Penicillins / Q000494:pharmacology*; D012440:Saccharomyces / Q000378:metabolism*; D014364:Tryptophan / Q000378:metabolism
D010406:Penicillins; D014364:Tryptophan
Versuche zur Anreicherung biochemischer Mangelmutanten bei Hefen.