Summary
Constitutive tryptophanase hyperproducing mutants of Escherichia coli were isolated. The specific enzyme activities of these mutants are 3–5 times higher than those of the fully induced wild-type strain and the enzyme synthesis is more resistant to catabolite repression.
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Pavlasová, E., Stejskalová, E. & Sikyta, B. Selection of constitutive tryptophanase hyperproducing mutants of Escherichia coli . Biotechnol Lett 5, 223–228 (1983). https://doi.org/10.1007/BF00161119
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DOI: https://doi.org/10.1007/BF00161119