Independent Action of Allele-Specific Suppressor Mutations

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Science  24 Jul 1964:
Vol. 145, Issue 3630, pp. 399-400
DOI: 10.1126/science.145.3630.399


Two different allele-specific suppressor genes had an independent and nonadditive effect in restoring indoleglycerol phosphate → L-tryptophan activity in a double mutant strain lacking this activity.