Characterization of mutations in the pen
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Imsande, John ;Lilleholm, Jerry L.
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Article
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1976
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Springer
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English
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Mutant penicillinase plasmids, in which penicillinase synthesis is not inducible by penicillin or a penicillin analogue, were examined by biochemical and genetic analyses. In five of the six mutants tested, penicillinase synthesis could be induced by growth in the presence of 5-methyltryptophan. It