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J Bacteriol. 1971 May; 106(2): 297-300
Copyright © 1971 American Society for Microbiology. All Rights Reserved.

Differential Recovery of Auxotrophs After Penicillin Enrichment in Escherichia coli

John J. Rossi and Claire M. Berg

Genetics and Cell Biology Section, Biological Sciences Group, University of Connecticut, Storrs, Connecticut 06268

ABSTRACT

Various auxotrophs are recovered from a penicillin enrichment cycle with differing efficiencies. Reconstruction experiments indicate that, under starvation conditions in the presence of penicillin, most auxotrophs undergo some death, whereas prolineless mutants are virtually immune to penicillin-induced killing.

J Bacteriol. 1971 May; 106(2): 297-300
Copyright © 1971 American Society for Microbiology. All Rights Reserved.





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